CATIA V5 Training Basic
December 25, 2016 | Author: Harsh Vardhan Somani | Category: N/A
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CATIA V5
October 2006
CATIA V5 Basic Training Presentation
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Contents
CATIA V5 Basic Training
© AIRBUS DEUTSCHLAND GmbH. Alle Rechte vorbehalten. Vertrauliches und geschütztes Dokument.
Functionalities and AIRBUS methodologies
• • • • • • • • •
Introduction Catia V5 Sketcher Part Design Generative Shape Design Introduction Q-Checker Assembly Design Generative Drafting DMU Introduction Settings
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Introduction
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V5 Basics • • • • • • • • • • • • • • •
Philosophy of CATIA V5 Product Structures Solutions and Workbenches Using the Mouse Desktop User Interface Toolbars Starting the Part Design Workbench Online Documentation Select Objects and Geometry Delete Objects and Geometry General Toolbars Options and Settings Naming and Numbering Layer Filter
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Introduction Philosophy of CATIA V5
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CATIA Version 5 is an integrated suite of (CAD) Computer Aided Design, (CAM) Computer Aided Manufacturing, (CAE) Computer Aided Engineering applications for digital product definition and simulation.
• • • • • • • • • • •
Interoperability between all CATIA V5 modules (Workbenches) Consistency of data Support of process chains Build up and working in Product structures Parametric design with links inside a Part as well as between the Parts inside an Assembly Individual degree of parameterisation Knowledge based technology Specification-driven modelling for part design, assembly design and integrated drafting Associative feature based modelling Multi window desktop environment Platform independent (UNIX, NT)
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Introduction Solutions and Workbenches Solutions
Workbenches
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E.g. Part Design Workbench
Catia V5 is divided into different solutions, which contain workbenches that are dedicated to specific tasks
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Introduction Solutions and Workbenches
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During the design process you can switch between the workbenches to change the available functions for different tasks. Changing the workbench Start With the workbench icon, which is normally located in the right top corner, you have access to your most favourite workbenches
Configure the favourites workbenches Tools
Configure
Available workbenches
Favourites
Note: If you choose the same workbench, which is still open, a new part, product or drawing will be started CATIA V5 Basic - Presentation
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Introduction
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Using the Mouse Right handed users
Left handed users
Selecting
Click MB1
Click MB3
Zooming
Hold down MB2 and click MB1 once
Hold down MB2 and click MB3 once
Rotating
Hold down MB2 and then MB1
Hold down MB2 and then MB3
Rotation Centre
Click MB2 once
Click MB2 once
Panning
Hold down MB2
Hold down MB2
Contextual menu
Click MB3
Click MB1
Right Button (MB3)
Middle Button (MB2) Left Button (MB1) The following pages refer to right handed users CATIA V5 Basic - Presentation
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Introduction Catia V5 Desktop User Interface Pull Down Menus
Compass
Windows Manipulations Help Menu Workbench icon
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Specification Tree Workbench Toolbars / Icons General Toolbars / Icons
Dialogue area
Document window Standard Toolbar
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Command Input Box Page 8 of 312
Introduction Toolbars (1/3)
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All workbenches are driven by the use of icons to issue commands, which are grouped together in toolbars.
Click with the MB1 on the icon to activate the command. The icon will be highlighted in orange. Note: By double clicking on some of the icons the command will stay active. To deselect the command, click on the Icon again or press the Esc key.
Some icons have a subtoolbar, which is indicated by a small black arrow in the right corner at the bottom of the icon.
Note: It is also possible to activate the commands by using the pull down menus.
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Introduction Toolbars (2/3)
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Use View > Toolbars to know which toolbars should be displayed. You can also click with MB3 on an visible toolbar
The tick indicates that the toolbar is visible in the activated workbench
Note: If a toolbar with the tick is missing in the workbench, it may be outside of the visible desktop area. This will be indicated with chevrons. With MB1 on the chevrons drag the hidden toolbar into the desktop. CATIA V5 Basic - Presentation
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Introduction Toolbars (3/3) Resetting Toolbars CATIA V5 memorizes the last toolbar positions.
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To reset the toolbars and reach an initial state select View > Toolbars > Customize > Restore position
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Introduction Starting the Part Design Workbench Start CATIA V5 from VPM too build up the connection between this two programs A new part can be creates of two different ways:
• Use the Start > Mechanical Design > Part Design pull down menu for starting the Part Design Workbench. • Use the File > New pull down menu to create a new CATPart.
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Note: It is not necessary to enter a part name, since the naming and numbering mandatory has to be done by the use of the create & save functionality in VPM.
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Introduction Catia V5 Online Documentation (1/3) F1
Use the keyboard key F1 to start the Online Documentation either with Netscape or with Mozilla and get more detailed Information about a functionality
CATIA Documentation Home Page
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Full-Text Search
Workbench Indexes
Automation Documentation Home Page CATIA V5 Basic - Presentation
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Introduction Catia V5 Online Documentation (2/3) Full-Text Search
2
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1 3
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Introduction Catia V5 Online Documentation (3/3) Workbench Indexes
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1
3
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Introduction Selecting Elements Selecting Elements can be done in the geometry area or in the specification tree.
Geometry area In the geometry area you normally select a sub element of the geometry. For a Solid the sub elements are:
• Vertex • Edge • Face
Vertex Edge
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Face During a modification this sub elements will be new calculated by CATIA and in some cases the references will be lost!
Specification tree In the specification tree you can select only whole features.
When ever possible use the specification tree for select elements. Because, these kind of selection is a more stable solution for modifications and updates! CATIA V5 Basic - Presentation
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Introduction Selecting Objects and Geometry (1/4)
By pointing it to an object’ s element (e.g. lines, edges, vertices, faces, planes) the arrow will be replace by a hand, and by clicking with the MB1 on the element, the object name will be highlighted in the specification tree.
Select
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Multi-selection is possible by using the Ctrl-Key
Only the objects located entirely inside the trap will be selected
Selection Trap
Note: It is also possible to drag a bounding outline using the select icon.
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Introduction Selecting Objects and Geometry (2/4)
Any objects partly or entirely inside the trap will be selected
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Intersecting Trap
Drag to create the polygon around the objects to be selected. Close the polygon with a double-click. Only the objects located entirely inside the trap will be selected
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Introduction Selecting Objects and Geometry (3/4)
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Any objects crossed by the paint will be selected
Paint Stroke Trap
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Introduction Selecting Objects and Geometry (4/4)
Only the objects located entirely outside the trap will be selected
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Outside Trap Selection
Any objects partly or entirely inside the trap will be selected
Intersecting Outside Trap Selection
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Introduction Preselection Navigator (1/1) With the preselection navigator hidden or coincident elements, or elements located elsewhere in the specification tree can be selected The Preselection Navigator can by activated by: • Any keyboard arrow (left, right, up, down) • ALT + MB1 • CTRL+F11 • Time function
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The following Options are available (see Options and Settings)
Activate timer
Display element list Display additional Window (Auxiliary Viewer) Highlight behavior of elements
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Introduction Preselection Navigator (2/2) Additional Display window
Arrows for navigating Black arrow indicates the last element in this direction Cross display the selected location
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List of stacked elements
Depth selection arrow controls for hidden and coincident elements (up / down) Arrow controls for navigating in the specification tree (top / bottom) MB1 Click on an element or in the circle to select it
In the Dialog area the identification of the pre selected element is displayed:
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Introduction Delete Objects and Geometry To delete objects or geometry:
• select the element with the MB1 and use the Del (Entf) key on the keyboard or
• move the cursor to the element and click the MB3 to open the © AIRBUS DEUTSCHLAND GmbH. Alle Rechte vorbehalten. Vertrauliches und geschütztes Dokument.
contextual menu. Select the Delete option.
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Introduction General Toolbars Standard Toolbar Open
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New
Quick Print
Save
Undo Selection
Copy
Cut
Paste
What‘s this?
Redo Selection
Note: Do not use the Cut function to delete objects or geometry (Memory effect)
Undo last Action
Redo last Action
Undo with History
Redo with History
Change the numbers of steps to Undo in: Tools > Options > General > Performance Note: By increasing the Stack size, the Computer’ s performance will decrease!!
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Introduction General Toolbars View Toolbar Fit All In
Fly Mode
Rotate
Pan
Zoom Out
Zoom In
View Mode
Create multi view
Normal View
Quick View
Swap Visible Space
Hide/ Show
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Front View Shading with Edges
Back View
Shading with Edges without smooth Edges Left View Shading with Edges and Hidden Edges Right View Shading with Material Top View Wireframe (NHR)
Bottom View
Customized view parameters Named Views CATIA V5 Basic - Presentation
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Introduction Multi view Divide the screen in several views of the 3D model. The views can be customized in the Menu View
Navigation Mode
Multi-View Customization
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Choose a Layout
Viewpoint definition for each view
Define Options for each view
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Introduction Named Views / Compass Additional Viewpoints can be saved. 1. 2.
Define the viewpoint by rotate, translate an zoom Create a new view
Add the new view to the selection list Modify the View parameters
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Rename the view
Activate the standard views using the compass. Click on the X, Y or Z letter Click on Z axis
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Click on Z axis again to reverse view direction.
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Introduction Customize View Parameters
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Define the visualistaion of the 3D model
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Introduction General Toolbars Graphic Properties
Fill colour
Line weight
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Transparency
1. 2. 3.
Point type
Line type
Layer
Rendering style
Wizard
Painter (copy graphic Properties)
Select the element of which the graphic properties will be changed Select the icon Select the element with the reference graphic properties
With the Wizard the graphic properties of an element and its parents can be analysed
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Introduction Colours (1/3) With colours a hole part or sub elements of a part can be marked.
See AM2232 Module 1 Layers and Colours within CATIA V5
Colours can be defined for different elements:
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CATPart • Face (Solid) • Feature • Body • Wireframe and Surface Inside a CATPart the priority of the element colour is from bottom up which can be analyzed with the graphic wizard (CATIA V5 R14):
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Introduction Colours (2/3) CATProduct • Product / Sub product • Instance
See AM2232 Module 1 Layers and Colours within CATIA V5
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Inside a CATProcuct the priority of the element colour is top down up which can be analyzed with the graphic wizard (CATIA V5 R14):
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Introduction Colours (3/3) See AM2232 Module 1 Layers and Colours within CATIA V5
Regulations for Colours • Do not use the colours red and orange, because this are system
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• • •
colours of CATIA V5 and define a special model status. Do not use colours on Product level A CATPart should have only one colour. For A-UK set all colourdefinitions back to colour by layer. (see NATCO Add-on)
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Introduction Layer (1/2)
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CATIA V5 functionality enables See AM2232 Module 2 CAD Layers Organisation designers to manage their own design See AM2232 Module 1 Layers and colours within CATIA V5 and data organisation without layering use. Nevertheless, the use of layers is necessary for Master Model identification, DMU Visualization, Data transfer and Manufacturing processes CATPart • In case of solid definition, only the Part-body has to be on a layer • In case of wire-frame or surface definition (MG, DP, FM), the Open-body grouping some elements might be on the appropriate layer and elements inside the Openbody may be on layer none • Use of layers forbidden for Part Number property level CATProduct Use of layers forbidden for CATProduct and CATPart Part Number property levels. CATDrawing No mandatory layers CATIA V5 Basic - Presentation
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Introduction Layer (2/2) Select View > Toolbars > Graphic Properties in the pull down menu
Layer box Catia V5 provides several layers. All layers will be visible in the layer box
•
"None" in the Layer box indicates that there is no current layer for the selected object. If an object is selected, the name of the layer on which the object is located is displayed in the box. To find out which layer an object is assigned to, select the object and look at the Layer box. When no objects are selected, the layer is displayed in the Layer box as “None” Any new objects will be created on the current layer To move from the current layer, make sure that no object is selected, then enter the new layer number in the box.
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•
• • •
To change the layer of an object • •
Note: It is not allowed to modify or add a layer name
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Introduction Filter After assigning objects to layers, create some filters which allow you to display only the objects which are located in specific layers. Select Tools > Visualization Filters... To create a new filter click on New
Define the new filter
Select a filter and click ok
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New
To use one of the default filters select the filter and click ok
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To rename the filter select it, (MB1) and once more, a bounding box appears round it. You can now change its name.
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Introduction Options and Settings To modify the CATIA V5 options use the pull down menu Tools > Options. There are several general options and special options for each Workbench.
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For example Tools > Options > General > Display > Tree to show the “display of the specification tree” options
If an option is locked (a red symbol) the user can’t modify it.
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Sketcher • • • • • • • • • • • • •
Basics Sketcher Rules Accessing the Sketcher Toolbars and Icons Overview Toolbar Profile Creation Toolbar Operations Toolbar Constraints Toolbar Sketch Tools Constraints Formula Parameter Sketch Analysis Hints and Tips
Constraints Dimensioning Sketch positioning Multi domain Projection and Intersection Create Circle
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Sketcher Basics • A Sketch is a geometric elements which contains one or several contour created in the Sketcher workbench.
• The sketcher workbench provides a set of functions for creating and
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modifying sketched elements.
• A sketch contour may include profiles, construction lines and points • It is possible to apply constraints to the sketched elements. • In the Sketcher it is possible to work with an individual degree of parameterisation. This is not allowed at AIRBUS.
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Sketcher Sketcher Rules
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• Keep sketches as simple as possible to make modifications easily. • Don’t create geometry which can be created as a feature • • •
(e.g. fillets, chamfers, holes) Use the mirror function in the Part Design, not in the Sketcher. The sketch has to be fully constrained. Auxiliary elements have to be created as construction elements
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Sketcher Sketcher Rules There are some restrictions for sketches to create solid features: Allowed Sketch Contours
One closed contour
Several contours
Several contours
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Sketch Contours with restrictions for some solid features
Open contour
Intersecting open contour
Point (In standard mode)
Not Allowed Sketch Contours
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Sketcher Accessing the Sketcher (1/4) There are different possibilities to start the sketcher:
• Inside e.g. the Part Design or Wireframe and Surface Design Workbench click the
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Sketcher Icons
Sketcher
Sketch with Absolute Axis definition
• From any Workbench double-click an existing sketch • Alternatively : Start > Mechanical Design > Sketcher from the pull down menu. Note: If there is no CATPart open, Start > Mechanical Design > Sketcher will create a new CATPart inside the Part Design Workbench
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Sketcher Accessing the Sketcher (2/4) Sketcher To define the Sketch Support, select a plane or a planar face or surface (either in the geometry area or in the specification tree).
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Sketcher The normal of the working support is the same as the principal normal of the selected plane. Eg. If you choose a plane parallel to the xy plane, the principal normal is z. The origin of the Absolute Axis system of the sketch is automatically positioned on the origin of the CATPart.
Note: A sketch used to create a Part Design element (e.g. a pad) should be created directly in the body that will contain this element and not in an open body. Otherwise it will be duplicated and its management will be trickier. (See AM2259)
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Sketcher Accessing the Sketcher (3/4) Sketch with Absolute Axis definition This command enables to create a logical sketch origin. This will give better control and easier constraining of the sketch.
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Origin (e.g. intersection between the axis and the face of the shaft) Sketch Support (e.g. face of the shaft)
Sketch with Absolute Axis definition
Note: You can use the contextual menu (MB3 > Sketch object > Change Sketch Support ...) to change the Sketch Positioning at any time. CATIA V5 Basic - Presentation
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Sketcher Accessing the Sketcher (4/4) Sketch with Absolute Axis definition
Origin: Define the Origin of the sketch
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Origin:
Part origin Projection point Intersection 2 lines Curve intersection Middle point Barycentre
Project a point on the sketch plane Intersection Point of two lines Intersection point of a curve with the sketch plane Middle point of a curve / line Centre of gravity of a surface
Orientation: Define the orientation of the h and v axis Orientation: X, Y, Z-Axis Components Through point Parallel to line Intersection plane
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define a vector by its components Line between the origin and a point Parallel to a line intersection between a plane an the sketch plane
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Sketcher Toolbars and Icons Overview (1/9) Toolbar Profile Creation (1/2)
Rectangle
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Profile
Spline
Circle
Line
Ellipse
Rectangle
Circle
Oriented Rectangle
Three Point Circle
Parallelogram
Circle using Coordinates
Elongated Hole
Tri-Tangent Circle
Cylindrical Elongated Hole
Three Point Arc
Point
Axis
Spline Connect
Three Point Arc Starting With Limits
Keyhole Profile
Arc Hexagon Centered Rectangle Centered Parallelogram CATIA V5 Basic - Presentation
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Sketcher Toolbars and Icons Overview (2/9) Toolbar Profile Creation (2/2) Rectangle
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Profile
Spline
Circle
Line
Ellipse
Point
Axis
Ellipse
Line
Point
Parabola by Focus
Infinite Line
Point Using Coordinates
Hyperbola by Focus
Bi-Tangent Line
Equidistant Points
Creates a Conic
Bisecting Line
Intersection Point Projection Point Line Normal to Curve
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Sketcher Toolbars and Icons Overview (3/9) Toolbar Operation Chamfer
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Corner
Symmetry
Trim
Trim
Symmetry
Break
Translate
Quick Trim
Rotate
Close
Scale
Complement
Offset
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Project 3D-Elements
Project 3D Elements Intersect 3D Elements Project 3D Silhouette Edges
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Sketcher Toolbars and Icons Overview (4/9) Toolbar Constraints
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Constraint
Constraints Defined in Dialog Box
Auto Constraint
Contact Constraint
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Fix together
Constraint
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Sketcher Toolbars and Icons Overview (5/9) Toolbar Sketch tools (Standard)
Snap to Point on Grid
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Construction/Standard Element
Geometrical Constraints
Dimensional Constraints
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Sketcher Toolbars and Icons Overview (6/9) Toolbar Sketch tools (Extended)
Further tools belonging to the selected function (e.g. Profile)
Standard tools
Options
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Function:
Option:
Function:
Option: Select a Curve before
Symmetrical Extension Line normal to a curve
Line
Infinite Line
Profile Tangent Arc
Line through two Points Vertical Line
Line (Standard)
Horizontal Line
Three Point Arc
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Sketcher Toolbars and Icons Overview (7/9) Toolbar Sketch tools (Extended) Funktion:
Option:
Funktion:
Nearest Endpoint
Connect with an Arc
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Connect
Conic Connect with a Spline
Two Points
Continuity in Point
Four Points
Continuity in Tangent
Five Points
Continuity in Curvature
Start and End Tangent
Tension of the tangency
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Tangent Intersection Point
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Sketcher Toolbars and Icons Overview (8/9) Toolbar Sketch tools (Extended) Function:
Function:
Option:
Trim all Elements
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Corner
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Trim all Elements Chamfer
Trim first Element
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Trim first Element
No Trim
No Trim
Standard Lines Trim
Standard Lines Trim
Construction Lines Trim
Construction Lines Trim
Construction Lines No Trim
Construction Lines No Trim
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Sketcher Toolbars and Icons Overview (9/9) Toolbar Sketch tools (Extended) Funktion:
Option:
Funktion:
Quick Trim
Trim
Break and keep Break and rubber out Break and rubber in
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Option:
Trim all Elements
Both Side Offset Offset
Point Propagation
Along a Direction Projection Point
Orthogonal Projection
Tangent Propagation No Propagation
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Sketcher SmartPick (1/3) Using SmartPick, you will easily specify a location:
• all over a curve • at the intersection point of two curves • aligned at a vertical/horizontal position • on the fictitious perpendicular line through a line end point • any of the above cases possibly combined together,
• somewhere on the grid • using coordinates • on a point • at the extremity point of a curve • at the midpoint of a line • at the centre of a circle or an ellipse
whenever possible.
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There are four ways to use the SmartPick: 1. 3D graphic window and SmartPick cursor:
2. Contextual menu:
3. Sketch tools toolbar (Coordinates and parameters): 4. Ctrl and Shift key
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Sketcher SmartPick (2/3) Symbols for the SmartPick cursor horizontal Vertical Point, Curve Extremity Point, Midpoint of a Line All over a Curve, Intersection Point Tangent
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Parallel Perpendicular Selection not possible
Note: To create a geometrical constraint from the SmartPick detection the „Geometrical Constraint“ icon must be activated (orange). To create a dimensional constraint from the parameter values in the Sketch Tools Toolbar the „Dimensional Constraint“ icon must be activated (orange). CATIA V5 Basic - Presentation
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Sketcher SmartPick (3/3) Control the activity of the constraint detection Shift Key: Dynamic deactivation of the auto-detection (SmartPick)
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Press and Keep Hold of the Shift Key
In this example the horizontal and coincidence constraints are not longer detected
Ctrl Key: Lock the current detected constraint to reduce the degree of freedom Press and Keep Hold of the Ctrl Key
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Sketcher Toolbar Profile Creation (1/6) Create an open or closed shape including arcs and lines. You can create either by clicking or using the Sketch tools toolbar. When you create a profile by using the Sketch tools toolbar, constraints are similarly assigned to this profile. Profile Create a rectangle by clicking or using the Sketch tools toolbar. The orientation of the lines will be horizontal or vertical.
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Rectangle Create a rectangle in the direction of your choice by clicking or using the Sketch tools toolbar. Define the direction of the first side with a line, and then the height of the rectangle with a point. Oriented Rectangle Create a parallelogram by clicking or using the Sketch tools toolbar.
Parallelogram Create an elongated hole by clicking or using the Sketch tools toolbar. Define the first and the second point of the symmetry axis, and then the elongated hole radius. Elongated Hole
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Sketcher Toolbar Profile Creation (2/6) Create an cylindrical elongated hole by clicking or using the Sketch tools toolbar. Define the circle centre, the arc extremities and the radius of the cylindrical elongated hole. Cylindrical Elongated Hole Create a keyhole profile by clicking or using the Sketch tools toolbar. Define the first and the second point of the symmetry axis, the first radius and then the second radius.
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Keyhole Profile Create an hexagon inside a construction circle by clicking or using the Sketch tools toolbar. Define the hexagon centre and then either a point on this hexagon or the hexagon dimension and angle Hexagon Create a circle by clicking or using the Sketch tools toolbar. Define the circle centre and the radius. Circle Create a circle by clicking or using the Sketch tools toolbar. Define the circle start point, second point and end point one after the other. Three point Circle
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Sketcher Toolbar Profile Creation (3/6) Create a circle by using the Circle Definition dialog box. Define the centre point coordinates and the Radius. If you select a point before clicking the icon, this point will be used as reference point. Else the reference point is the origin of the sketcher axis system. Circle using Coordinates Create a circle by clicking. Define three elements (point, line, circle, spline) one after the other to create a circle made of three tangent constraints (line, circle, spline) or coincidence constraints (point). Tri-Tangent Circle
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Create an arc by clicking or using the Sketch tools toolbar. Define the arc start point, second point and end point one after the other. Three Point Arc Create a circle by clicking or using the Sketch tools toolbar. Define the arc start point, end point and second point one after the other. Three Point Arc Starting With Limits Create a circle by clicking or using the Sketch tools toolbar. Define the arc centre and then the arc start point and end point. Arc
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Sketcher Toolbar Profile Creation (4/6)
Spline
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Connect
Create a spline by clicking or using the Sketch tools toolbar. Indicate the points through which the spline goes. Double-click to end the spline. To edit a control point (position, tangency, curvature radius) double-click on this. Create a connection between two curves. Select the connect option in the Sketch tools toolbar: With an Arc or With a Spline. Select the first element and then the second element. The connection is tangent to both selected elements. Create an ellipse by clicking or using the Sketch tools toolbar. Define the ellipse centre, major semi-axis and minor semi-axis endpoints one after the other.
Ellipse Create a parabola by clicking or using the Sketch tools toolbar. Define the focus, apex and then the parabola two extremity points. Parabola by Focus Create a hyperbola by clicking or using the Sketch tools toolbar. Define the focus, centre and apex, and then the hyperbola two extremity points. Hyperbola by Focus
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Sketcher Toolbar Profile Creation (5/6) Create a conic type element (circle, ellipse, parabola, hyperbola) by clicking or using the Sketch tools toolbar. Define the desired points and if needed, use tangents or enter the excentricity Creates a conic
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Line
Create a line by clicking or using the Sketch tools toolbar. Define the startpoint and the endpoint of the line. Use the contextual menu to copy the length of an existing line or to take an existing line as angle reference. Create an infinite line either horizontal, vertical or through two points by clicking and using the Sketch tools toolbar. Select an option in the toolbar and then indicate one or two points.
Infinite Line Create a line by clicking. Define two elements (point, line, circle, spline) one after the other to create a line made of two tangent constraints (line, circle, spline) or coincidence constraints (point). Bi-Tangent Line Create an infinite bisecting line by clicking or using the Sketch tools toolbar. Select two existing lines. If both selected lines are parallel to each others, a new line will be created between these lines. Bisecting Line
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Sketcher Toolbar Profile Creation (6/6)
Point
Create a point by clicking or using the Sketch tools toolbar. Define the horizontal and vertical coordinates of the point. To get the centre of gravity between existing points (isobarycenter), select this points before clicking the point’s icon. NOTE: All the points must be converted into construction elements, before using a sketch for creating a solid feature (e.g. a pad).
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Create a point by using the Point Definition dialog box. Define the point coordinates. If you select a point before clicking the icon, this point will be used as reference point. Else the reference point is the origin of the sketcher axis system. Point Using Coordinates Create a point by using the Equidistant Point Definition dialog box. Select a line or a curve-type element. Define the number and spacing of the points. Equidistant Points Create one or more points by intersecting curve type elements. Multi-select the elements to be used for intersecting, then click the Intersection Point icon and then select the element which intersect with the first selected. Intersection Point
Projection Point
Create one or more points by projecting points perpendicular onto curve type elements. Select the points to be used for projection, then click the Projection Point icon and then select an element on which the points will be projected.
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Sketcher Create a profile (1/2) 1. Click with MB1 to define the start point of the profile
2. Move the mouse to define the end point of the first segment. Click with MB1 to define the end point. This is the start point for the next line.
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The parameters for the segments can also defined in the Sketch tool bar.
3. Finish a closed profile by select the start point. Pay attention for the SmartPick icon.
4. Finish a open profile by double click.
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Sketcher Create a profile (2/2) 5. To create an tangent arc, hold down the MB1 and move the mouse away from the last endpoint. The parameters for the segments can also defined in the Sketch tool bar.
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6. To create an non tangent arc or start the profile with an arc, you have to use the “Three point arc” icon.
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Sketcher Toolbar Operation (1/3)
Corner
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Chamfer
Trim
Create a rounded corner between two lines or curve type elements using trimming operation. The arc will be tangent to the two lines or curves. To modify the trim option (Trim All Elements, Trim First Element, No Trim) use the Sketch tools toolbar. You can create several corners by multi-selecting Create a chamfer between two lines or curve type elements using trimming operation. To modify the trim option (Trim All Elements, Trim First Element, No Trim) or the chamfer definitions (Angle/Hypotenuse, Length1/Length2, Length1/Angle) use the Sketch tools toolbar. You can create several chamfers by multi-selecting Trim lines or curve type elements. If an element does not intersect with another element an extrapolation is done. To modify the trim option (Trim All Elements, Trim First Element) use the Sketch tools toolbar. You can multi-select the elements to be trimmed Break a line or a curve type element. First select the line to be broken and then the element which is used for breaking. By using the break icon, you can also isolate points.
Break Quickly breaking, trimming and/or deleting (rubber) elements intersected by other Sketcher elements. To modify the trim option (Break And Rubber In, Break And Rubber Out, Break And Keep) use the Quick Trim Sketch tools toolbar.
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Sketcher Toolbar Operation (2/3) Close circles or ellipses. Set splines which was relimited by using the trim icon to its original limitation again. Close Complement an arc (circle or ellipse)
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Complement Create the symmetry of existing Sketcher elements by using a line, a construction line or an axis. The geometry will be duplicated. If the Dimensional Constraint option in the Sketch tools toolbar is activated a Symmetry symmetry constraint is created. Create a translation by using the Translation Definition dialog box. Enter the number of copies, (multi-)select the element to be translated, select the start and endpoint of the translation vector and define the value for the translation length. The duplicate mode is activated by default. Internal and Translate external constraints (geometrical and dimensional) can be preserved.
Rotate
Create a rotation by using the Rotation Definition dialog box. Enter the number of copies, (multi-)select the element to be rotated, select the rotation centre point, click a point to define the reference line, define the value for the rotation angle. The duplicate mode is activated by default. Internal constraints can be preserved. External geometrical constraints are deleted. External dimensional constraints are modified.
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Sketcher
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Toolbar Operation (3/3)
Scale
Scale a profile. The distance values will be resized, the angle values will not be modified. (Multi-)select the element to be scaled, define the centre point on the geometry, enter the scale value. The duplicate mode is activated by default. Internal constraints can be preserved. External geometrical constraints are killed. External dimensional constraints are modified.
Offset
Create an offset of 2D geometry (lines and curves). Create an associative offset of 3D geometry (edge, face and geometrical features). To modify the offset options (No Propagation, Tangent Propagation, Point Propagation and Both Side Offset) use the Sketch tools toolbar. Constraints are not created. No propagation on 3D edges.
Project 3D elements (e.g. edges or faces) onto the sketch plane. If you select a face, the edges are projected. These projections (marks) are yellow and associative to the 3D part. If needed, use the contextual menu to isolate the marks. Project 3D Elements Intersect 3D elements (e.g. edges, faces, pads) onto the sketch plane. If you select a face or pad, the edges are projected. These projections (marks) are yellow and associative to the 3D part. If needed, use the contextual menu to isolate the marks. Intersect 3D Elements Project silhouette edges from a canonical surface onto the sketch plane. The axis of the canonical surface must be parallel to the sketch plane. These projections (marks) are yellow and associative to the 3D part. If needed, use the contextual menu to isolate the marks. Project 3D Silhouette Edges CATIA V5 Basic - Presentation
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Sketcher Toolbar Constraints Define one or several constraints simultaneously using the Constraint Definition dialog box. Select or multi-select the elements to be constrained and then the Constraints Defined in Dialog Box Icon. Constraints Defined in Dialog Box Set dimensional or geometrical constraints between one or several elements. The constraints are in priority dimensional. Use the contextual menu to get other types of constraints and to position this constraint as desired. Constraint
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Apply a constraint with a relative positioning that can be compared to contact: Concentricity, coincidence or tangency Contact Constraint Automatic detection and creation of possible constraints between selected elements. It is possible to define reference elements and symmetry lines. Automatic Constraint Examine how the whole sketch is reacting when one constraint is varied between a maximum and a minimum value. Animate Constraint
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Sketcher Toolbar Constraints Join geometry to a rigid set. If one element is moved, the hole group move together. Fix together
All the dimensional constraints of a sketch can be edit in a dialog box at the same time
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Edit Multi-Constraint
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Sketcher Toolbar Sketch Tools
If activated, this option makes your sketch begin or end on the points of the grid. As you are sketching the points are snapped to the intersection points of the grid. Snap to Point Create standard elements when the icon is inactivated and construction elements when the icon is activated. Construction elements are not taken into account when creating features, and they do not appear outside the Sketcher
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Construction/Standard Element
Geometrical Constraints will automatically be created while creating the sketch. Geometrical Constraints Dimensional Constraints will automatically be created while creating the sketch.
Dimensional Constraints
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Sketcher Tools If the Icon is activated Projections, Intersections and Silhouettes from 3D are not associative. Create Datum With the output feature construction elements and single elements can be used outside the sketch. Output features have a special update behaviour. Output feature
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Several Profiles inside a complex sketch can be defined. In the specification tree each profile can be selected separate Output Profil Analyse if the sketch is fully, under or over constraint
Sketch Solving Status Analysis sketches for inconsistence
Sketch Analysis
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Sketcher Visualisation Cut the 3D Solid geometry temporary on the sketch plane to see the inside the volume. Cut Part by Sketch plane The Usual mode is the default option. When activated, the 3D geometry is visible in the Sketcher.
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Usual In the Low Light mode all geometrical elements and features appear as graycolored, except for the current sketch. You cannot select the 3D geometry, you can just handle Sketcher elements. Low Light
The No 3D Background mode hides all geometrical elements and features (products, parts, etc.) except for the current sketch. No 3D Background
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Sketcher Visualisation Show / Hide the diagnostic colours of the sketch
Diagnostic Show / Hide all dimensional Constraints of the sketch
Dimensional constraint
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Show / Hide all geometrical Constraints of the sketch
Geometrical Constraint
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Sketcher Constraints (1/4) Constraints are used to control the size and the position of an element and its relationship to other elements.
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Geometric Constraints control the • relationship between the elements (e.g. coincidence, parallel) or • the orientation of an element (e.g. horizontal, vertical). Dimensional Constraints control the • size of an element (e.g. length, radius) or • the distance and angle between elements.
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Sketcher Constraints (2/4)
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Visualization of Geometric Constraints
Fix
Concentricity
Coincidence
Symmetry
Horizontal
Midpoint
Vertical
Equidistant point
Tangency Perpendicular Parallelism
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Sketcher Constraints (3/4) Visualization of Dimensional Constraints
Length / Distance Radius Diameter © AIRBUS DEUTSCHLAND GmbH. Alle Rechte vorbehalten. Vertrauliches und geschütztes Dokument.
Angle Semiminor axis
Note: You can obtain a radius constraint by editing a diameter constraint. You just need to double-click the diameter constraint and choose the radius option in the displayed dialog box.
Semimajor axis
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Sketcher Constraints (4/4)
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Constraint Colors Select another element or the background
Orange
Selected
Green
Fixed
All relevant dimensions are created. The whole geometry has been fixed using the fix constraint
Sketch can be used
Green
Iso-constrained
The element is fixed and cannot be moved from its geometrical support. (E.g. if you fix a line it is still possible to move the endpoints)
Sketch can be used
White
Under-constrained
Still some degrees of freedom remaining
Sketch can be used but is not allowed at AIRBUS
Purple
Over-constrained
Too many dimensions have been applied to the geometry
Remove one or more dimensional constraints
Red
Inconsistent
The system is unable to find a consistent solution for the dimension system
At least one dimension value needs to be changed
Brown
Geometry not changed
No recalculation because some geometrical elements are over-defined or inconsistent
Remove one or more constraints
Protected
E.g. marks which were created via projection or intersection with associativity to external 3D elements
Sketch can be used. Isolate the marks to get rid of the associativity
Yellow
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Sketcher Formula (1/3)
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Adding a Formula
Select the Edit formula option to open the Formula Editor
Double-clicking on the desired constraints to modify the related data in the displayed Constraint Definition dialog box move the cursor to the value and click the MB3 to open the contextual menu
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Sketcher Formula (2/3) Adding a Formula
In the upper field you will find the selected constraints, the field below is for the formula.
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In the sketch the value of the constraint is modified and the formula symbol is shown.
Define the formula
In the Constraint Definition dialog box the Value is dimmed and the formula symbol appears.
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Sketcher Formula (3/3) Show the name of a dimension
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For a better overview, it is possible to display the name of a dimension in the sketch.
Move the cursor to the value and click the MB3 to open the contextual menu
Note: Use formulas only for real master elements and not for creation comfort reasons (See AM2259) CATIA V5 Basic - Presentation
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Sketcher Parameter (1/4) Creating a user Parameter
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It is possible to create additional parameters which can be used e.g. in a formula.
The parameter will automatically get a name (e.g. Length.1). Replace the name and assign the value to this parameter
3
Click New Parameter of type
2 1 Select e.g. the Length item with Single Value in the New Parameter of type list
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Sketcher Parameter (2/4) Displaying a user Parameter
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The user parameters are displayed in the Parameters box of the specification tree
Note: To display the parameter use Tools > Options > Infrastructure > Part Infrastructure > Display > Display in Specification Tree To display the parameter with their provided values, use Tools > Options > General > Parameters and Measure > Knowledge > Parameter Tree View
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Sketcher Parameter (3/4) Using a user Parameter
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The new parameter can be used to define a formula. To display the new and renamed parameter select Renamed parameters in the field Members of Parameter
Double-click the parameter in the field Members of Renamed parameters to insert the parameter in the formula.
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Sketcher Parameter (4/4) Lock Parameter With this functions parameters can be looked and unlooked. The value of a looked parameter can not be changed. Select the parameter and the icon for lock and unlock.
Lock Unlock
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A special icon identify the locked status of a parameter.
Alternatively the MB3 can be used to lock and unlock parameters.
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Sketcher Equivalent Parameters (1/4) Equivalent Parameters With this function several (Length and Angle) Parameters can be set to the same value. When one of the equivalent parameters will be changed all the other will became the same value.
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Menu to choose the parameters
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Sketcher Equivalent Parameters (2/4)
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Select the parameters in the sketch or in the left column of the dialog window.
Add the parameter to the list of equivalent dimensions.
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Sketcher Equivalent Parameters (3/4)
List of the parameters with the same values
Change the parameter value
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Finish the function by clicking OK
In the specification tree the equivalent dimensions is positioned under the relations
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Sketcher Equivalent Parameters (4/4)
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Equivalent Dimensions can be edit by double click the specification tree or one of the values
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Sketcher Sketch Analysis (1/3)
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Inside the Sketcher Workbench use the Tools > Sketch Analysis pull down menu to start the Sketch Analysis
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Sketcher Sketch Analysis (2/3) A general status of all geometrical elements will be shown After the selection of an element in the Geometry list (e.g. Point.22) or in the Projections/Intersections list, it is possible to use some corrective actions if the geometry is not correct. Projections / Intersections
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Geometry turn this element into a construction element
isolate geometry
close an open profile
activate/deactivate a constraint
erase a disturbing element
erase geometry
Hide constraints
replace 3D geometry
Hide Construction Geometries
Hide constraints Hide Construction Geometries
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Sketcher Sketch Analysis (3/3)
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The Diagnostic tab provides information about under-constraint elements
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Sketcher Hints and Tips – Constraints (1/3) Starting the Sketch in the origin of the sketch absolute axis
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If the origin of the sketch absolute axis (yellow axis) has been selected as the starting point of the sketch (e.g. the centre point of a circle), the system will automatically create a coincidence constraint between the origin and the starting point. Note: This constraint won’ t be displayed, therefore it won’ t be possible to select the constraint directly to delete it.
Hint: By using the Break icon, you can isolate points: If you select a point with a coincident constraint, this point will become independent of the coincidence constraint. CATIA V5 Basic - Presentation
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Sketcher Hints and Tips – Constraints (2/3) Control the activity of the constraint detection (3/3) SmartPick switch button: Permanent deactivation of the auto-detection (SmartPick).
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As you create more and more elements, SmartPick detects multiple directions and positions, and more and more relationships with existing elements. This may lead to confusion due to the rapid highlighting of several different detection possibilities as you point the cursor at different elements in rapid succession. Consequently, you can decide to filter out undesired detections. Use the Tools > Options > Mechanical Design > Sketcher > Sketcher > Constraints menu and select the SmartPick Icon to modify the SmartPick options.
Alternatively you can
press the Shift key to deactivate all smart pick options.
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Sketcher Hints and Tips – Constraints (3/3) Modify the Constraint Type 1. 2. 3.
Activate the Constraint command or the Contact Constraint command Click with the MB3 the constraint to be modified. Select the option corresponding to the desired operation, from the contextual menu.
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Coincidence constraint type.
1
Distance constraint type.
2
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Sketcher Hints and Tips – Dimensioning (1/2) Manage the orientation and type of the current dimension
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Constraint Icon activated + MB3 (Contextual menu): • Change length or distance to horizontal or vertical dimension
• Change the type of the dimension (e.g. from Angle to Perpendicular)
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Sketcher Hints and Tips – Dimensioning (2/2) Modify geometry
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Edit dimensional constraint values just by dragging constrained geometry
Press and Keep Hold of the Shift Key while dragging the geometry
The constraint is temporary a reference
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Sketcher Hints and Tips - Multi domain Sketch Multi domain
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A sketch can contain several contours with functional links.
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Sketcher Hints and Tips - Projection and Intersection (1/2) Projection and Intersection of 3D Elements Note that the order of the selection (Action-Object or Object-Action) can change the result 1. Action-Object Select the Surface of a cylinder
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Select the Intersection Icon
The axis will be highlighted
The result is a point
2. Object-Action Select the Surface of a cylinder
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The result is a circle
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Sketcher Hints and Tips - Projection and Intersection (2/2) Projection and Intersection of 3D Elements Projection and intersection of 3D elements directly to sketches •
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•
Marks created via projection, intersection or silhouette edges are associative to their parent 3D elements To break this associativity use the MB3 > Sketch.object > Isolate. The marks are isolated and each trace is replaced by an equivalent geometrical element
Note if working in an assembly: If the option “Keep link with selected object” is active, an object created from the selection will keep the link with it. A selection between two different CATParts (selection in context) will create and keep a link (external reference) between these. To avoid undesired links, make sure that at least the option Tool > Option > Infrastructure > Part Infrastructure > General > “Confirm when creating a link with selected object” is activated. CATIA V5 Basic - Presentation
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Sketcher Hints and Tips - Create Circle Switch between radius and diameter
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double-click the radius value > Constraint Definition
Copy radius to the next circle Select the circle Icon and move the cursor over the existing circle, now MB3.
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Sketcher Hints and Tips - Dimension of an Ellipse For a iso constraint ellipse you need the following five constraints:
Semiminor axis
Position of the centre
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Semimajor Axis: Select the ellipse
Angle
Semimajor axis
Semiminor Axis: Select the ellipse and select Semiminor axis in the context menu
Angle: select the ellipse and a reference element.
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Part Design
• Basics
• Hints and Tips
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• The Specification Tree • PartBody, Body and Open body • Features
• • •
• • • • • • • • • •
Toolbars and Icons Overview Sketch-Based Features Dress-Up Features Transformation Features Reference Elements Surface based Operations Boolean Operations Using Boolean Operations Using Fillets and Drafts Link management • Sketch • Publication • Material
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• • • • • •
Pattern Searching Elements Change the Sketch Support To stack Actions Hide Elements Behaviour of Show/Hide Hole positioning Variable Edge Fillet Using multi domain Sketch
• Basic Methods • General Modelling Rules
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Part Design Basics – The Specification Tree (1/3)
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Structure of the Specification Tree The specification tree shows the hierarchy of the part defined by the operations during the design process. The structure of each operation created by the designer will be kept in the tree. Thus, at the beginning you start with a very small tree which will grow up during the design. At the end you might have a very long and complex tree, but nevertheless all your design steps are included in it. A new part starts with these objects: • the 3 main planes xy, yz and zx • the absolute axis system • the PartBody A good structure of the tree is profitable for: • a clean construction • updates with no problems • good overview of the part design Before starting the construction, take time to create a strategy. Investigate: • the aproach • the logical structure of the part • the expected result • the down stream processes and their interfaces. CATIA V5 Basic - Presentation
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Note: You may require more time to produce a good concept, you will gain this by spending less time during the design. Starting without a concept can lead in extreme cases in having to start again.
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Part Design Basics – The Specification Tree (2/3) Structure of the Specification Tree
Note: The elements will automatically get names which are built out of strings defined by the element type and a running number (e.g. Pad.1). By using only this automatic naming you can easily loose the overview and orientation in the tree. It is difficult to remember what e.g. Assemble.278 connects with Body.9. A good practice will be to rename the features to help you to navigate through the tree. You can rename by selecting the feature and using MB3 on that Feature> Properties > Feature Properties Short cut = ALT-ENTER.
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Starting point for the solid generation is the PartBody.
Below the PartBody all the different elements (like features, sketches etc.) will be automatically implemented corresponding to their chronological creation.
To have a clean structure in complex parts, you should implement additional Bodies. CATIA V5 Basic - Presentation
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Part Design Basics – The Specification Tree (3/3) Structure of the Specification Tree You can reorder the positions of the features in the tree afterwards. But remember, this can have an influence on the geometry of the part. Sometimes the result will totally change or some geometry won’ t be calculated. On the other hand, the reordering of the tree can sometimes help to get the desired result.
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MB3 > ….Object > Reorder
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Part Design Basics – PartBody, Body and Geometrical Sets (1/7) PartBody The PartBody has a special role in the specification tree. Its use and influence on the construction has to be known. The finished designed part has to be completed within the PartBody (at AIRBUS this is mandatory!). Only by this way, a clean connection to down stream processes (e.g. calculations or automatic bill of material) is guaranteed. Important:
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• The PartBody cannot be deleted • Boolean operations which will use the PartBody (e.g. Remove-, Add- or Assemble-body) are not possible. The PartBody cannot be added to or subtracted from other bodies, but it is possible to add (subtract) other bodies to (from) it.
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Part Design Basics – PartBody, Body and Geometrical Sets (2/7) PartBody
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It is possible to move all or part of the content of the PartBody into a new body
The new body is automatically assembled to the PartBody It is also possible to let an existing body becomes the PartBody
MB3 The body becomes the PartBody
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Part Design Basics – PartBody, Body and Geometrical Sets (3/7) Body Additional bodies can be inserted. They will help to generate a better structure of the tree in cases of complex parts. These bodies can be connected by Boolean operations. E.g. using separate bodies for the inner areas, outer areas, the raw casting and/or machining helps to divide the different operation steps and make a clearer structure.
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Remember: The finished designed part has to be completed within the PartBody
Use the Insert > Body pull down menu for creating an additional Body.
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Part Design Basics – PartBody, Body and Geometrical Sets (4/7) Geometrical Set
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During the work in PartDesign, by creating reference elements (point, line or plane), a “Geometrical Set” will be automatically inserted in the tree as a store for the elements. By default, the wireframe and surface geometry is created in an Geometrical Set in parallel with the PartBody. There will be no chronological trace of the design if the tree remains as such.
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Part Design Basics – PartBody, Body and Geometrical Sets (5/7) Ordered Geometrical Set
The ordered geometrical Set (OGS) contains wireframe and surface geometry like the normal geometrical Set. The OSG works like an Solid Body. The elements will created and ordered in a linear way and a chronological order.
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Properties of an OSG:
• OSG is fully linear • The order of the appararation of features in the specification tree is consistent with the chronological creation
• Modification features will absorb there parents which are not longer accessible for users
• An OSG must created by the user • Every element in an OSG can be defined as in work object, all elements located behind the work object are not accessible.
• An OSG can be scanned by the “Scan” function CATIA V5 Basic - Presentation
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Part Design Basics – PartBody, Body and Geometrical Sets (6/7) Geometrical Set To keep the overview in the tree, it is good to add one or several Geometrical Sets to the tree and name them with corresponding names. By that you can group the wireframe objects. Change into the Wireframe and Surface Design Workbench > Insert > Geometrical Set
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The sequence of the various bodies in the specification tree must be ordered logically. To obtain a more logical tree, insert the Geometrical Set where the wireframe or surface geometry is needed. Insert > Geometrical Set…
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Part Design Basics – PartBody, Body and Geometrical Sets (7/7) Geometrical Set
The function „Change Geometrical Set…“ allows you to move the Geometrical sets within the specification tree. They can also be moved directly under a given body.
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MB3 > ….Object > Geometrical Set…
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Part Design Basics – Features (1/3) Feature-based design
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Features are entities that should be combined to make up a part. They include the generating of geometry, an operation or a combination of both. Some operations consist in adding material (e.g. rib), others in removing material (e.g. hole and pocket) There are several groups of Features: • Sketch-based Features • Dress-Up Features • Surface Based Features • Transformation Features
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Part Design Basics – Features (2/3) Handling of Features Features can be duplicated, copied, translated, deleted, deactivated, or modified in the structure position.
• With the context menu of the right mouse button you can delete, deactivate, or translate the features.
• You can also use the buffer for the cut, copy, and translate functions to modify the © AIRBUS DEUTSCHLAND GmbH. Alle Rechte vorbehalten. Vertrauliches und geschütztes Dokument.
Features in the structure.
Note: It is not allowed to use the Drag&Drop functionality at Airbus.
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Part Design Basics – Features (3/3) Parameters and References of Features
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The parameter values and the references of a Feature can be modified at any time. • Double click on the Feature in the structure tree and the corresponding panel will appear. • The same is true for the sketches. A double click on it to open it, then constraints, dimensions or geometry can be modified, added, or deleted.
New references which lead to new dependencies will be created during, • the dimensioning, • the defining of geometrical constraints (like tangency, symmetry ..) • and the defining of Dress-Up-Features Deleting a used reference implies that the related dimensioning parameters, constraints, or features will also be deleted automatically. Attention: The deletion of a reference can happen during the design process. If e.g. an edge which had been used for a fillet doesn’t exist any more after a change during the design, the fillet will be deleted automatically. CATIA V5 Basic - Presentation
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Part Design Toolbars and Icons Overview (1/4) Toolbar Sketch - Based Features Pocket
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Pad
Groove
Shaft
Rib
Hole
Stiffener
Slot
Removed Loft
Loft
Pad
Pocket
Stiffener
Drafted Filleted Pad
Drafted Filleted Pocket
Solid Combine
Multi Pad
Multi Pocket
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Part Design Toolbars and Icons Overview (2/4) Toolbar Dress – Up Features Champfer
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Fillet
Shell
Thread/Tap
Thickness
Draft
Remove Face
Edge Fillet
Draft Angle
Remove Face
Variable Fillet
Draft Reflect Line
Replace Face
Face – Face Fillet
Variable Draft
Tritangent Fillet
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Part Design Toolbars and Icons Overview (3/4) Toolbar Transformation Feature
Toolbar Surface Based Feature
Mirror
Scaling
Surface
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Translation
Pattern
Split Translation
Rectanggular Pattern
Rotation
Circular Pattern
Symmetry
User Pattern
Thick Surface
Close Surface
Sew Surface
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Part Design Toolbars and Icons Overview (4/4) Toolbar Boolean Operations Add
Remove Lump
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Assemble
Union Trim
Add
Remove
Intersect
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Part Design Sketch-Based Features (1/2) Create a pad means extrude a profile in one or two directions. You can choose the limits of creation as well as the direction of extrusion. Pad Create a pocket consists in extruding a profile and removing the material resulting from the extrusion. You can choose the limits of creation as well as the direction of the extrusion. Pocket
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Create a shaft by revolve a open or closed profile in one or two directions. Shaft
Grooves are revolved features that remove material from existing features Groove
Create a hole consists in removing material from a body. Various shapes of standard holes can be created. Hole
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Part Design
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Sketch-Based Features (2/2)
Rib
Create a rib by using a centre curve, a planar profile and possibly reference element or a pulling direction. Ribs can also be created from sketches including several profiles. These profiles must be closed and must not intersect.
Slot
To define a slot, you need a centre curve, a planar profile, a reference element and possibly a pulling direction. Slots can also be created from sketches including several profiles. These profiles must be closed and must not intersect. To define a stiffener you need an open profile. Make sure that the material can limit the extrusion of this profile.
Stiffener Define a Solid with an intersection of two sketches in different planes
Solid Combine
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Part Design Pad /Pocket A pad /pocket is a prismatic volume based on a sketch, planar curve or surface / face
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Closed sketch or closed planar curve
Face or Surface
A pad / pocket can be limited by parameters or geometric elements
Dimension
Up to next
Up to last
Plane
Surface
Note: The limits for „Up to next“ / „Up to last“ must be in the same Body! CATIA V5 Basic - Presentation
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Part Design Pad /Pocket The extrusion direction of a pad / pocket normally is normal to the sketch plane. You can define the direction by select a linear curve.
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Reference for direction
With the Thick option a wall thickness on the sketch contour can be created.
Closed contour
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Open contour
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Part Design Pad /Pocket Special cases
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If another solid feature in the body exists, an open contour can be trimmed on this geometry
Pad Open contour
Pocket Open contour
Open contour Options: Thick, Merge Ends Note: The limits for „Merge Ends“ must be found on both ends of the contour in the current body! CATIA V5 Basic - Presentation
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Part Design Shaft / Groove A shaft / groove is a rotational volume based on a sketch, planar curve or surface / face The rotation axis can be: • A sketch axis (preferred solution) • A cylindrical face • A linear curve (line) The contour does not intersect the rotation axis:
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9
8
Closed Contour
Open Contour
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Part Design Shaft / Groove Rotation Angle
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Rotation Axis Recognized by CATIA, if the sketch contains an axis
Shaft
Sketch for shaft CATIA V5 Basic - Presentation
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Part Design Hole (1/5) The sketch of a hole must not defined in advance, the sketch will be created automatically an contain one point in standard mode. Select a face (or plane)
Extension
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Hole dimensions Direction of the hole axis
Bottom shape
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Part Design Hole (2/5)
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Hole Types
Simple
Tapered
Counterbored
Countersunk
Counterdrilled
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Part Design Hole (3/5) Thread Activate Thread Select Thread standard
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Select Thread size
Thread Analysis
Numeric Value Symbolic geometry Define Filters
Start Thread analysis with Apply CATIA V5 Basic - Presentation
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Part Design Hole positioning (4/5) It is possible to constraint a hole during the creation
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Available selections: • Circular edge + support = concentricity
• 1 edge + support = 1 dimension • 2 edge + support = 2 dimension • Point + support = coincidence to point CATIA V5 Basic - Presentation
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Part Design Hole positioning (5/5) To control the hole direction on a non planar face you can use an line for steering the hole direction
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• Line + support = hole direction and center point
The center point is the intersection between the face and the line
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Part Design
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Rib / Slot
Merge rib’s ends If there exist an other solid feature in the body, the rib/slot can be trimmed on this geometry
Note: The limits for „Merge rib’s ends“ must be found on both ends of the rib/slot in the current body! CATIA V5 Basic - Presentation
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Part Design Rib / Slot
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Profile Control Keep Angle
Pulling Direction
Reference Surface
The angle between the profile plane and center curve is constant
The angle between the profile plane and the reference element is constant
The angle between the profile and the normal to the surface is constant
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Part Design Stiffener Mode: From Side Sketch the Side view of the Stiffener An open sketch is limited by intersect or extrapolation on the solid geometry of the current body. A limitation in all directions is necessary.
Direction of the wall thickness
NF
NF
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Direction of search material for Intersect / extrapolate
Remark: The sketch plane define the Neutral Fiber
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Part Design Stiffener Mode: From Top Sketch the Top view of the Stiffener An open sketch is limited by intersect or extrapolation on the solid geometry of the current body. A limitation in all directions is necessary.
Direction of the wall thickness
NF
NF
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Direction of search material for Intersect / extrapolate
Remark: The sketch contours define the Neutral Fiber CATIA V5 Basic - Presentation
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Part Design Combine Define a Solid with an intersection of two pads with extrusion directions in one step.
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+
=
The profiles can be a sketch, a planar contour or a surface / face. (See pad feature for details) The extrusion direction of a pad / pocket normally is normal to the sketch plane. You can define the direction by select a linear curve. (See pad feature for details) CATIA V5 Basic - Presentation
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Part Design Dress-Up Features A fillet is a curved face of constant or variable radius. It is tangent to two surfaces. These three surfaces form either an inside or an outside corner. You obtain a fillet by propagation along one or several edges. Edge Fillet Variable radius fillets are curved surfaces created to a variable radius. That means that at least two different constant radii are applied to two entire edges. Variable Radius Fillet
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The fillet can be created between two faces without intersection or when there are more than two sharp edges between the faces. Face-Face Fillet You can create a fillet between three surfaces. One of the three surfaces is replaced by a fillet. This fillet is tangent to the three selected surfaces. Tritangent Fillet A chamfer consists in removing or adding a flat section from a selected edge to create a bevelled surface between the two original faces common to the edge. You obtain a chamfer by propagation along one or several edges. Chamfer
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Part Design Fillets The fillet operation create a curved face with a constant radius. The fillet need an edge or a faces for support.
Limits Radius
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Object to fillet
Support
Support
Support: Faces on which rolling a sphere. The fillet is tangent to the supports. Limits: Define the end of the supports Object to fillet: Edge: Edge which will be filleted Face: All non tangent boundaries of the face will be filleted Radius: Radius of the sphere CATIA V5 Basic - Presentation
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Part Design Fillets Trim ribbons With the option „Trim ribbons“ overlapping fillets will be trimmed by CATIA.
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Without Trim ribbons
With Trim ribbons
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Part Design Fillets Edge(s) to Keep
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With The Option „Edge(s) to Keep“ one or several Edges can be selected on which the sphere is rolling instead of one support face.
Edge(s) to keep: In this case the fillet is tangent to one Support face and goes through a curve (kept edge).
Examples
Edge to keep CATIA V5 Basic - Presentation
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Part Design Fillets Blend Corner(s) With the option „Blend corner(s)“ the connection point of several edges in one fillet operation becomes smoother.
With Blend corner
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Without Blend corner
1. Select the edges to be fillet
2. Select the „Blend corners“ button
3. The corners are recognized automatically by the system.
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4. Edit the „Setback distance“ global in the dialog box or individual by double click on the value in the 3D window. Issue: Draft A6
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Part Design Variable Fillet
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The fillet operation create a curved face with a variable radius. The fillet need an edge or a faces for support.
A radius value can be defined on a vertex, a point, a plane ore somewhere on the edge(s) to fillet
Edit the list to Remove or replace the elements of the radius values
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Part Design
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Variable Fillet
Planes or Points can be used to define intermediary radius values (In the variable Edge Fillet creation window in the point field) By moving these planes, Catia will compute the intersections again and modify the fillet
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Part Design Variable Fillet Variation
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The kind of the run between the points can be defined with the variation option:
Cubic
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Part Design Face-Face Fillet / Tritangent Fillet Face-Face Fillet
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A Face-Face Fillet is normally used if two support faces have no common edge.
Tritangent Fillet A Tritangent Fillet connect two surfaces which are separated by a third surface. The third surface will be replaced by the fillet.
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Part Design Dress-Up Features Drafts are defined on moulded to make them easier to remove from moulds. The characteristic elements are pulling direction, draft angle, parting element and neutral element Draft Angle Shelling a feature means emptying it, while keeping a given thickness on its sides. Shelling may also consist in adding thickness to the outside.
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Shell The function Thickness add or remove materiel on the faces which are selected. Thickness The Thread capability removes material surrounding the hole. To define a thread, you can enter the values of your choice, but you can use standard values or personal values available in files too. Thread
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Part Design Dress-Up Features
Simplify a part by removing some of its faces e.g. for finite element analysis Remove Face
Replace a face or a set of tangent faces with a surface
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Replace Face
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Part Design Draft Angle Create conical faces on a prismatic geometry
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Neutral element
Draft angle
Pulling Direction
Faces to draft
Angle: Cones for mould in degree Faces to draft: Faces with cones. Selecting the faces or Select the neutral element first, the faces to draft will be selected automatically by CATIA (Option: Selection by neutral face) Neutral element: On the neutral element the dimension of the geometry will not be modified. Pulling direction: The direction for remove the moulds from the part.
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Part Design Draft Angle Neutral and Parting Element
Neutral Pulling Direction
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On the parting element the draft is limited along the pulling direction. The parting element can be equal to the neutral element. A plane, a surface or a join can be used for the parting element
Neutral
Parting
Neutral Parting
Neutral
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Part Design Draft Angle Draft in two directions
Note:
Pulling Direction
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For a draft in two directions the parting element must be equal to the neutral plane.
The neutral and parting element must not be a planar element.
Neutral Parting
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Part Design Shell
Faces to remove and default Inside and outside thickness
Outside thickness
Inside and Outside thickness
Initial geometry
Initial geometry
Initial geometry
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Inside thickness
Face with other thickness CATIA V5 Basic - Presentation
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Part Design Transformation Features Create a translation of the current body. Select a line, edge or plane (to take its normal) as the translation direction. The original element is no longer visible but remains in the specification tree. No duplicate available. Translation
Rotation
Create a rotation of the current body around an axis. Select a line or edge as the rotation axis. The original element is no longer visible but remains in the specification tree. No duplicate available.
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Create a symmetry operation of the current bodies. Select a point, line or plane as reference element. The original element is no longer visible but remains in the specification tree. No duplicate available. Symmetry
Mirror
Mirroring a body or a list of features consists in duplicating these elements using a symmetry. You can select a face or a plane to define the mirror reference. If you modify the original object, the mirrored one will also change .
Create a scale operation of the current body. Select a point or plane as reference element. The original element is no longer visible but remains in the specification tree. No duplicate available. Scaling
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Part Design Translation / Rotation Note: Do not use the translation and rotation for position the parts in an assembly!
Translation Move the current body by a rotation
Direction (Linear curve) and distance Point to Point: Select the start and end point of the translation Coordinates: Define the translation between the origin and a point defined by x, y and z value
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Rotation Move the current body by a rotation
Axis: Linear curve
Note: The original elements are no longer visible but remains in the specification tree. No duplication available. CATIA V5 Basic - Presentation
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Part Design Symmetry Create a symmetry operation of the current body by selecting a point, line or plane as reference element. Plane
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Line
Point
Note: The symmetry operation must be used for opposite handed parts CATIA V5 Basic - Presentation
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Part Design Mirror Mirroring a body or a list of features consists in duplicating these elements using a symmetry. Current Solid
Select the operation Mirror and the mirroring plane
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Feature List
Select the features by multi select, the Operation Mirror and the mirroring plane. Not all features can by mirrored by a feature list. The feature list cannot be edited. The mirror done by a feature list can be exploded into single features.
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Part Design Transformation Features
Duplicate geometry of one or more features at the location of a rectangular pattern. Rectangular Pattern Duplicate geometry of one or more features right away at the location of a circular pattern.
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Circular Pattern Duplicate geometry of one or more features right away at the location of a pattern defined by user. User Pattern
Note: In the assembly workbench it is possible to reuse pattern for positioning. To benefit from this possibility, use pattern as standard practice.
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Part Design Rectangular Pattern Length
Spacing
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Object to pattern
Reference directions Instances: Number of Copies including the object to pattern Spacing: Distance between to Copies Length: Distance between the first and last copy With the Option „Keep Specifications“ the limitation options e.g. „Up to Last“ of the initial element is used for all pattern instances .
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Part Design Circular Pattern Angular Spacing
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Reference Element
Circle Spacing
Object to pattern
Instances: Number of Copies including the object to pattern Angular spacing: Angle between two Copies Total Angle: Angle between the first and last copy Circles: Number of Circles Circle Spacing: Distance between two Circles Crown Thickness: Distance between the inner and outer circle Reference Element: Rotation Axis CATIA V5 Basic - Presentation
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Part Design Circular Pattern
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It is possible to use a cylindrical face as a reference element of a circular Pattern
Select cylindrical face as a reference element
pattern origin
Activate Radial alignment CATIA V5 Basic - Presentation
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Deactivate Radial alignment Page 159 of 312
Part Design Circular Pattern
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With the option “Instance(s) &unequal angular spacing” an individual angel between all instances can be defined.
Edit each angel by double click
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Part Design User Pattern In case of „User Defined Pattern“, only points which are defined in one sketch can be selected. Single 3D Points can’t be used, even if they are all on the same plane.
Object to pattern (Hole) Anchor: The Centre of the object to pattern is positioned of the sketch points. If you need an other point of the initial geometry you must define an anchor.
CATIA V5 Basic - Presentation
Anchor
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With Anchor
Without Anchor
Initial Situation
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Each Point in standard mode in the sketch define the position of a pattern instance.
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Part Design Pattern – Hints and Tips • Deleting an instance of the pattern, the whole pattern will be deleted • Suppress an Instance of the pattern by clicking the small orange dot • If no feature is selected, the current Solid will be pattered. Pattern based on a feature list It is possible to pattern a list of Part Design features. These features must belong to the same body. The body must be set as “Define in Work Object”.
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You can only get a feature list while the creation of the pattern. You have to multi-select at least two objects before you click the Pattern Icon. Note that adding a feature to a pattern is only possible if your pattern is already based on a feature list. It is not possible to add any feature to a basic pattern created using a single feature.
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Part Design Reference Elements Define a point by coordinates, on a curve, on a plane, on a surface, at a circle centre, tangent point on a curve, and between two elements. Point
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Create lines by following methods: point to point, point and direction, angle/normal to curve, tangent to curve, normal to surface, and bisecting. Line
Plane
Create planes by various methods: Offset from a plane, parallel through point, at an angle to a plane, through three points, through two lines, through a point and a line, through a planar curve, normal to a curve, tangent to a surface, from its equation, mean through points.
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Part Design Surface Based Operations
Split a body with a plane or surface.
Split Add material to a surface in two opposite directions by using the thick surface capability.
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Thick Surface Define a body by closing a surface. The sites to be close must be planar. Close Surface Add or remove material by computing the intersection between a given surface and a body. The surface must completely intersect the body. Sew Surface
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Part Design Split Split the current body on a plane or surface. Split on a surface
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The surfcae must intersect the whole solid
The arrow indicate the side to keep. Select the arrow to invert. Split on a plane
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Part Design Thick surface
Negative Second Offset
Positive Second Offset
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The arrows indicate the direction of the first offset. Click on an arrow or the “Reverse Direction” button to invert the direction.
Is the Offset value greater then the smallest concave curvature radius of the surface, this face cannot be on the borders of the surface
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Part Design Sew Surface The Sew Surface operation integrate a surface in the current body an combine them.
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Remove material
Add material
Without the option „Intersect body“ the surface boundaray have to lay down complitly on the triming body
With the option „Intersect body“ the sew Operation is combined with a split operation.
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Part Design Boolean Operations Assemble a body to another body. The second body will be attached to the first one. Assemble Add a body to another body. Adding a body to another one means uniting them.
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Add
Remove a body from another body. Removing a body from another one means subtracting them. Remove The material resulting from an intersection operation between two bodies is the material shared by these bodies. Intersect Assemble two bodies by defining the elements to be kept or removed while performing the union operation. Union and Trim
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Part Design Using Boolean Operations (1/4) Using Boolean Operations
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Add A fusion of a body to the existing geometry which doesn’t define a NC-operation like pocket or drilling hole. Most common operation, also often used to make a better structure in the tree. Don’t use it for pockets and holes. Remove Removes a body from the existing geometry. Only use it for non NC-operations. Note: If the Remove is the highest part in the sub-tree, it automatically changes to an Add and leads to undesired results!
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Part Design Using Boolean Operations (2/4) Using Boolean Operations
Assemble Assemble of positive or negative bodies for operations. Before the Assemble the raw part has a positive volume.
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Holes and NC pockets in parts should not be created by Boolean volumes in the raw part, since these cannot be recognized later as NC relevant operations. It is also wrong to create the holes as normal pads, you get geometrically the same result, but the logical structure would be incorrect, since it should be a hole and not a dummy subtraction body. Assemble means:
• Remove material, if the body consists of pocket volumes. • Add material, if the body consists of pads. Note: NC pockets should be created using the Pocket feature. CATIA V5 Basic - Presentation
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Part Design Using Boolean Operations (3/4) • Structure Parts with different bodies Bodies Tree
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Feature Tree
• Used for simple parts up to ~20 features • Only one body (PartBody) is used • The first feature must be positive, up from the second feature positive and negative features can be used CATIA V5 Basic - Presentation
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• Used for complex parts with more then ~20 • •
features The geometry is divided into several geometrical areas The bodies must be connected by Boolean operations Page 171 of 312
Part Design
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Using Boolean Operations (4/4)
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Part Design Using Fillets and Drafts Fillet and Draft Rules Draft before Fillet Fillets should always be added to a part after drafts, since the value of the fillet will be changed and a kind of “variable fillet” with different radii will show up. (Exception: draft on reflect line.) Large Fillets before small Fillets If the rule is not take into account, it can lead to incorrect geometry and even in special cases to error messages, since the geometrical creation is impossible.
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Vertical Fillets before horizontal Fillets Order of the Fillets in the Specification Tree To get a higher update performance and improve modification possibilities, the Dress- up features (fillet, chamfer, draft and shell) should be used in a special order. E.g. fillet should be one of the last features. On the other hand, by waiting with the fillets to the total end of the design, the creation of the fillets might be more complex or even impossible. So, use the fillet function quite early, but take the later design into account. Only group together edges which mandatory will have the same radius value (See AM2259)
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Part Design Link management – Sketch (1/5) Using Sketch from Geometrical Sets (1/2) … and create through it a Pad (Pad.1) in a new Body (Body.2) …
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Create a sketch in a Geometrical Set (Sketch.1) …
…the sketch appears twice in the structure tree, under the Geometrical Set body and under the pad. For modification just click on one of them. Note: If the sketch is deleted in the Geometrical Set, the pad will also be deleted.
Note: To avoid this “duplication” of the sketch, create it directly in the body which will contain the element bearing on the sketch, or cut and paste into that body. CATIA V5 Basic - Presentation
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Part Design Link management – Sketch (2/5) Using Sketch from Geometrical Set (2/2)
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In this case Sketch.1 from Geometrical Set.1 is used to create Pad.1 and Pad.2. Changing the Sketch.1, will modify both Pads.
CATIA V5 Basic - Presentation
In order to independently modify the Sketch of Pad.2, create a new sketch first. Use “copy and paste” to create a copy of the original sketch.
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Then edit the pad definition of Pad.2. Double-click on Pad.2 or use MB3 on Pad.2 > Pad.2 object > Definition.
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Under Profile > Selection, replace the Sketch.1 by Sketch 2 (Copy of Sketch.1).
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Part Design Link management – Sketch (3/5) Copy and paste a sketch from Geometrical Set
Create a sketch in a Geometrical Set (Sketch.1) …
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… and copy this one by “copy and paste” in a Body (Body.2), ...
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… there won’ t be any link created between the sketches . The new sketch is independent (Sketch.2)
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Part Design Link management – Sketch (4/5) Copy and Paste a Body
… The result will be a new Body (Body.3) and an independent sketch (Sketch.4).
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Create a sketch (Sketch.3) in a body (Body.2) …
… copy and Paste this body in the Part (Part1), …
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Part Design Link management – Sketch (5/5) Copy and paste special a sketch from Geometrical Set or Body
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Create a sketch in a Geometrical Set or a Body (Sketch.1) …
… and then copy it with “copy and paste special” > AsResultWithLink into another body (Body.2), …
Caution: … the new sketch (Sketch.2) has a link to the original sketch and it can’t be modified.
The link can be deleted afterwards by MB3 on the new sketch > Sketch.2 object > Isolate. By this operation the Icon of the sketch in the SpecificationTree will change. CATIA V5 Basic - Presentation
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Part Design Link management – Publication (1/2) Published Geometry Publication is the process of naming elements (geometric features or parameters) with specific tags. Published elements can be used in one CATPart or for maintaining multi-model links. Published geometry is similar to that of linked geometry but published elements have a greater level of associativity.
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The Publication command is available in the workbenches Assembly Design, Part Design and Generative Shape Design and lets you: • • • •
publish one or several geometric element/s edit the default name given to the published element replace the geometric element associated with a name delete a published element.
Note: To create Symmetrical Parts or Assembly-Cut Parts it is necessary to publish the PartBody
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Part Design Link management – Publication (2/2) Published Geometry Tools > Publication
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Select the element to be published (e.g. plane.2)
Select the Name (plane.2) twice and Rename it (e.g. Main Plain)
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The plane is published under a new name, but the geometric element Part1/Geometrical Set.1/Plane.2 has not been renamed.
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Part Design Material Apply Material
Select a material on the list
Set the properties
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Apply Material
Show Material Applies customized view parameters
The window can also be opened with View > Render Style > Customize View
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Part Design Hints and Tips – Searching Elements To find the graphic representation of an element, select this element in the tree and then MB3 > Reframe on. The element will be centred inside the document window. It is also possible to search for constraints.
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Reframe on
To find out where a visible graphic element is located in the specification tree, select the element and then MB3 > Center Graph. The element will be highlighted in the tree.
Center Graph
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Part Design Hints and Tips – Working with the specification tree Show / Noshow the Specification tree With the F3 key the Specification tree can be noshow an show
Collaps and Expand the Specification tree The specification tree ca be collapsed and expanded by View >Tree Expansion . In the menu Expand Selection you can choose the expansion level
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Move and zoom the Specification tree After clicking on a branch (white line) in the specification tree you can zoom and pan the tree instead of the geometry. To pan, zoom and rotate the geometry, you have to click on the branch again or on the axis system in the bottom right corner of the window.
Opening Sub-Trees For a better visualization of the tree, a part of it can be opened in a separate window. Select the item, click with MB3 and choose the contextual command Open Sub-Tree.
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Part Design Hints and Tips – Change the Sketch Support To define a new support for a sketch, use the contextual menu. Select the sketch and then MB3 > Sketch.x object > Change Sketch Support and then the new sketch plane.
Select the new sketch plane and define the origin and the orientation of the sketch
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MB3
Select the sketch
Sketch.x object > Change Sketch Support CATIA V5 Basic - Presentation
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Part Design Hints and Tips – To stack Actions If an additional geometry is needed to create an element (e.g. a reference to create a line), it is not necessary to close the definition panel. By using the contextual menu (MB3) in the field where the geometry is needed, it’s possible to create it (e.g. a boundary) directly.
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MB3
MB3
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Part Design Hints and Tips – Hide Elements Design geometry (e.g. sketches and planes) must be in the non visible area (hide) before finishing a part.
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An easy way to hide all elements of one type is to use Tools > Hide in the pull down menu.
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Part Design Hints and Tips – Behavior of Show/Hide
Show/Hide
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There is a hierarchical display status in Catia V5. By hiding a PartBody, all elements below (e.g. Sketches, Geometrical sets) will be hidden too. Note. The status Show/hide of these elements can be changed, but they won’t be displayed as long as the PartBody is hidden.
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Part Design Hints and Tips – Using multi domain Sketch (1/2) Using Multi domain Sketch to create e.g. Pockets
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If a sketch that contains e.g. 4 contours is used for the pocket definition, the result will be 4 pockets with the same height. To manage modifications correctly, initially create 4 pockets bearing on 4 contours. The 4 contours can be either in 4 different sketches or in the same sketch. For dimensioning contours, it can be suitable to group them in the same sketch.
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Part Design Hints and Tips – Using multi domain Sketch (2/2) Using Multi domain Sketch to create e.g. Pockets However it is possible to access a single contour inside the sketch while creating pockets. By selecting the profile in the pocket definition panel, use the contextual menu (MB3) to get the Go to profile definition panel. This panel allows a selection of a single contour inside the sketch.
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Remove first
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Part Design Hints and Tips – Delete unnecessary elements In a CATIA V5 Model unnecessary elements (Reference, Wireframe and Surface elements without children) should be deleted when the design process is finished.
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Delete Unnecessary elements is in the Workspaces Part Design and Generative Shape Design (GSD) available:
Keep, Solid: Solids are always be kept Keep, used by Solid: Non solids will be kept, when there are parents of a solids Delete: Non solids will be deleted, if there are not necessary for the Solid design.
The delete Status can be changed by the Context menu:
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Part Design Basic Methods – General Modelling Rules (1/2) Starting the Design Process
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Elementary part axis system used to design the part • If no more information are given to the designer by ACMT, CDBT, … the default method is Local (Axis inside or near the solid). The positioning will be done within the assembly (See AM5012).
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Part Design Basic Methods – General Modelling Rules (2/2) Finishing the Design Process • Delete all unnecessary elements • Do not use red colours for solids • Every Sketch has to be fully defined by parameters (only if possible) • Rename the Part Body with the Partnumber and publish them.
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• Publish reference elements To be able to use the elements in a context, publish the geometry that will be used as reference for the modelling of other parts
• Activate the button "fit all in“ before saving • Update the part before saving • Design geometry must be in NOSHOW (e.g.: Sketches, Planes) • Every part must have only one body (PartBody) (rule: one part one model) To allow use of detail part file in CAM, model one part per CATPart file
• The PartBody has to be set as “Define in Work Object“ • Use QCHECKER V5 tools for CATPart CATIA V5 Basic - Presentation
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Generative Shape Design Introduction
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• • • • •
Philosophy and Meaning of Surfaces and Wireframe Toolbars and Icons Overview Toolbar Wireframe Toolbar Surfaces Toolbar Operations
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Generative Shape Design Introduction Philosophy and Meaning of Surfaces and Wireframe The Wireframe and Surface product allows the creation of wireframe construction elements during the preliminary design and enriches the existing 3D mechanical part design with wireframe and basic surface features.
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The Generative Shape Design workbench allows you to quickly model both simple and complex shapes using wireframe and surface features. It provides a large set of tools for creating and editing shape designs.
When combined with other products such as Part Design, both Wireframe and Surface Design and Generative Shape Design meets the requirements of solid-based hybrid modeling.
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Generative Shape Design Introduction Toolbars and Icons Overview (1/3) Toolbar Wireframe
Line
Point
Projektion
Intersection
Plane
Point Points and Planes Repetition © AIRBUS DEUTSCHLAND GmbH. Alle Rechte vorbehalten. Vertrauliches und geschütztes Dokument.
Parallel Curve
Spline
Circle
Projection
Circle
Combine
Corner
Reflect Line
Connect Curve
Extremum ExtremumPolar
Conic Line
Parallel Curve
Spline
Axis
3D Curve Offset
Helix Spiral
Polyline
Spine CATIA V5 Basic - Presentation
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Generative Shape Design Introduction Toolbars and Icons Overview (2/3) Toolbar Surfaces
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Extrude
Offset
Sweep
Fill
Loft
Blend
Extrude
Offset
Sweep
Revolve
Variable Offset
Adaptive Sweep
Sphere
Line
Rough Offset
Conic
Cylinder Explicit CATIA V5 Basic - Presentation
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Generative Shape Design Introduction Toolbars and Icons Overview (3/3) Toolbar Operations
Translate
Join
Split
Boundary
Shape Fillet
Extrapolate
Rotate
Symmetry Translate
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Join
Scaling
Shape Fillet
Split Boundary
Affinity
Edge Fillet
Healing
Axis To Axis Trim Extract
Variable Radius Fillet
Curve Smooth Face-Face Fillet Multiple Edge Extract
Untrim
Tritangent Fillet
Disassemble
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Generative Shape Design Introduction Toolbar Wireframe
Create a curve resulting from the intersection of the extrusion of two planar curves. The extrusions may be normal to the curves or along a direction Combine Create a geometry by projecting one or more elements onto a support. The projection may be normal to the support element or along a direction
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Projection Create a wireframe geometry by intersecting wireframe elements, surfaces or solids Intersection Create a curve parallel to a reference curve
Parallel Curve
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Generative Shape Design Introduction Toolbar Surfaces Create a surface by extruding a profile along a given direction Extrude Create a surface by rotating a planar profile around an axis Revolve Create a a full or a partly spherical surface
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Sphere
Create a cylindrical Surface Cylinder Create one or several surface by offsetting an existing surface or a set of surfaces Offset Create fill surfaces between a number of boundary segments Fill CATIA V5 Basic - Presentation
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Generative Shape Design Introduction Toolbar Operations Join at least two adjacent surfaces or two adjacent curves. Join Split a surface, a wireframe element or a solid with a cutting element. Note: If you split a solid, the result will be a split-surface. Split Trim two surfaces or wireframe geometry. Both elements will be modified. © AIRBUS DEUTSCHLAND GmbH. Alle Rechte vorbehalten. Vertrauliches und geschütztes Dokument.
Trim Performing an extract from elements (e.g. curves, points, solids) Extract
Create boundary curves of one or several surfaces Boundary
Extrapolate a curve or a surface boundary Extrapolation CATIA V5 Basic - Presentation
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Generative Shape Design Introduction Hints and Tips - Managing Multi-Result Operations (1/2) If the result of an operation is not a single element, you can choose, which part of the result should be used .
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Example: Intersection between a Circle and a plane. The Operation contain to points which can normally not used for the next operation (e.g. line from Point to Point)
The Multi-Result Dialog box appears
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Generative Shape Design Introduction Hints and Tips - Managing Multi-Result Operations (2/2) Using the „Near“-Function to keep only one Sub-element
Only this element which is nearest to the reference element will be kept.
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The Near- Function can also used by the menu Insert
Using the „Extract“-Function to keep only one Sub-element
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Q-Checker
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• General • Quality Control of Catia V5 Data • Quality Control of Catia V5 Data in a Batch Process
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Q-Checker General
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The Q-Checker controls the data quality of CATProducts, CATParts and CATDrawings. It checks the compliance with Airbus standards, the structure and the geometry, and provides automatic correction functionalities. The results of the analysis will be displayed in an interactive panel. Good data quality avoids a lot of workload in following process steps (DEX, CNC). To assure, that errors are detected early so that only a small workload for model correction will be needed: • Use the Q-Checker from an early stage • Repeat the check regularly, at least daily before storing. It is advised to check the data only with the AIRBUS administrator profiles Note: Only the check performed with the administrator profiles will automatically be taken into account before • storing in the vault • data exchange • release process CATIA V5 Basic - Presentation
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Q-Checker Quality Control of Catia V5 Data (1/4)
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Accessing Q-Checker from Catia V5
Available profiles for Long Range: AIRBUS_LONGRANGE (default) AIRBUS_LONGRANGE_FLX (for FLX and CUT parts)
Q-Checker start without healing
Select a check profile Note: As the Catia model is considered to be under the responsibility of its author, the automatic function will not be used
Prepare batch run
Start Q-Checker
In this mode it is possible to analyse numerous models at the same time
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Q-Checker Quality Control of Catia V5 Data (2/4)
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The active Catia model is checked automatically
Representation And Description
Healing and close Analysis Window
Error Categories Error
Prevents the execution of certain steps. Not possible to check in into Primes.
Model is rejected in release and data exchange process. Correction is mandatory
Blue
Warning
Results normally in disadvantages, but cannot be avoided in certain situations
Correction by user is recommended but not mandatory
Green
Error-free
The element is ok
Red
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Q-Checker Quality Control of Catia V5 Data (3/4) Representation and Description Zoom automatically
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Graphic Fine Analysis
Criterion Help
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The incorrect element is shown centred and enlarged
Getting of additional graphic information for some violated criteria.
This help includes illustrating pictures, the problem description, a suggested solution, and an application tip.
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Q-Checker Quality Control of Catia V5 Data (4/4) Healing and close Analysis Window
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Heal
Automatic healing of errors according to the settings in the profile.
Close panel and restore
The analysis panel will be closed and the original Catia settings will be restored
Close panel and keep current
The analysis panel will be closed and the current Catia settings (the modifications done during the healing) will be used
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If the automatic healing isn’t available in the analysis panel, the correction must be done by using the Catia function.
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Q-Checker Quality Control of Catia V5 Data in a Batch Process (1/2) Q-Checker provides the ability to check more than one model in a batch process.
1
4
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1
2 3
2
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Pre-selection of CATIA models (Filetree, CATIA Declaration Files, Current Session) Selection of directory Selection of models – only the marked model will be checked Possibilities to filter the models for a better selection
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Q-Checker Quality Control of Catia V5 Data in a Batch Process (2/2)
1
2
1
3 4
2
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3 4
Declaration of the control (*.in) file Path and name of the output file Selection of check profile Declaration of the name of the report files
After the performing of the batch mode check, the output file will be generated in the specified directory. The output file contains information about the check run and the model assessments.
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Assembly Design • • • • • • • • • • •
Structure and Components Document Modes Toolbars and Icons Overview Product Structure Tools Moving Tools Assembly Constraints Tools Creating Assembly Constraints Save Management Linkmanagement Standard Parts Hints and Tips Hide Elements / Search • Positioning of Components •
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Assembly Design Structure and Components The CATProduct structure is a hierarchical tree composed of items (or nodes). A CAD model (wireframe, solid, etc.) can be assigned to each item. This model can be positioned in space within the Assembly Design Workbench. A positioning matrix may be assigned to the link between the component and the higher sub-assembly. Repetitive parts are instantiated several times and are therefore assigned several positioning matrices. Structures are represented in a CATIA V5 specification tree composed of nodes, and managed by a "parent/child" link system. Component (Components are internal sub-assemblies within a product structure and are not saved as external CATProduct files)
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Root Node (CATProduct) M1
Referenced Assembly (CATProduct)
M2
Link between items M3 M4
Sub-Assembly (CATProduct)
M5 M6
CATPart
M7 M8
Part instantiated twice
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Assembly Design Document Modes Document Modes
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There are two different document modes available when a product is opened •
Visualisation Mode Visualisation mode opens a significantly lighter model than its true geometrical form, and can increase the performance. The visualisation mode uses a geometrical format .cgr (Catia Graphical Representation) that represents only the external appearance of the component. No Specification Tree available.
•
Design Mode Design mode is the original editable format, making all geometrical data available. Exact geometry is loaded. If the Option “Work with the Cache System” is activated (default at AIRBUS) all parts are loaded in Visualisation mode. When modification is required on a part it can be converted from visualisation to design mode by: • MB3 over the part icon > Representations > Design Mode or • double-click MB1 on the part icon CATIA V5 Basic - Presentation
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Assembly Design Toolbars and Icons Overview (1/2) Toolbar Product Structure Tools
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New Component
New Product
New Part
Replace Component
Existing Component
Toolbar Move Generate Numbering
Graph Tree Reordering
Manage Representations
Selective Load
Multi Instantiation
Snap
Manipulation
Stop manipulate on clash
Explode
Snap
Fast Multi Instantiation
Smart Move
Define Multi Instantiation
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Assembly Design Toolbars and Icons Overview (2/2) Toolbar Constraints
Contact
Toolbar Assembly
Not allowed at AIRBUS Flexible/ Rigid Sub – Assembly
Fix Together
Angle
Create symmetry Reuse Pattern
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Assembly Features Coincidence
Offset
Fix
Quick Constraint
Change Constraint
Split Hole
Caution: Do not use the Flexible / Rigid Sub Assembly command in the Assembly Design workbench as this causes problems when assembly trees created with CATIA V5 are converted to Product structure format (See AM5012) CATIA V5 Basic - Presentation
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Pocket
Not allowed at AIRBUS
Add Remove
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Assembly Design Product Structure Tools (1/2) Insert a component into an existing assembly. Components are internal sub-products within a product structure and are not saved as external .CATProduct files New Component
Insert a product into an existing assembly. New Product
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Insert a part into an existing assembly. New Part Insert an existing component (e.g. part or assembly) into an existing assembly. Multiple Components can be selected using the Control and Shift Keys Existing Component Components, Products and Parts can be reordered inside the main Product and Sub-Products. To reorder the tree: select the reorder icon and then the product to be changed Graph Tree Reordering
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Assembly Design Product Structures Tools (2/2) Number the components of an assembly. You can find these instance numbers in the properties panel of the components. Generate Numbering
Selective Load
Load partially some components in an assembly. Can be applied only when the option Load referenced documents, in Tools > Options > General is deactivated
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Managing context-specific representation of Parts (e.g. shape or .cgr) in the assembly structure. Manage Representations Quickly repeat the insert of a component Fast Multi Instantiation Quickly repeat the insert of a component as many times as you wish in the direction of your choice Define Multi Instantiation
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Assembly Design Moving Tools Move a component freehand (translate or rotate) with the mouse by using the Manipulation Parameters dialog box. The move can be done with respect to existing constraints. Manipulation
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Snap
Project the geometric element of a component onto another geometric element . The element selected first is always the element that will move. No constraints will be created. It is necessary to work in the Design mode. Combines the constraint creation and snap capabilities. The smart move panel contains a list of the constraints that can be set. This list displays these constraints in a hierarchical order.
Smart Move Exploding an assembly takes into account the assembly constraints. This Explode type is applicable when coincidence, constraints axis/axis or plane/plane are assigned to the assembly Explode
Compass
Manipulate the assembly by checking if the components react in the expected way, i.e. according to the constraints. Select the red square at the centre of the compass and drag it onto a component to snap it to this component. Press and hold down the Shift key while moving.
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Assembly Design Assembly Constraints Tools (1/2)
Coincidence Constraint
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Contact Constraint
Is used to align elements. You may obtain concentricity, coaxiality or coplanarity, depending on the selected elements. Points, Lines, Planes, Planar Faces, Cylinder’s Axis, Sphere’s Point are elements which can be selected. Their orientation can be defined by choosing 3 options: Same, Opposite, Undefined (with it, the Application will find the best solution) Create a contact between two planar Faces. The contact area between the Faces could be a point, a line or a plane. Planar Faces, Sphere, Cylinder, Cone and Circle are elements which can be selected. The contact’s Orientation can be external or internal
Set an Offset constraint between two components. Points, Lines, Planes, Planar Faces can be selected. The Faces orientation should be specified when defining an Offset Constraint. Offset Constraint Set an angle Value as constraint between elements of 2 different components. Lines, Planes, Planar Faces can be selected as Elements. Angle Constraint
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Assembly Design Assembly Constraints Tools (2/2) Does not allow a component to move from its Position during the update operation. There are two ways of fixing a component: According to the Assembly geometrical origin (absolute position) and according to the other components (relative position). Fix Component
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Flexible/Rigide Sub-Assembly
Instead of moving a whole Sub-Assembly, this Function gives the opportunity to move only one component of a sub-Assembly within the main Assembly. Before the moving, the Sub-Assembly must be defined as Flexible.
Not allowed at AIRBUS
Repeat automatically a Component in an assembly by using a Pattern created in Part Design. There are two work modes: - Using associativity with the geometry: the option "Keep link with the pattern" is on Reuse Pattern - Using no associativity: the option is off
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Assembly Design Creating Assembly Constraints Creating Assembly Constraints Note: The active component is blue framed (default colour) and underlined. It is activated by double-clicking. Product A
Sub-Product B Sub-Product C Part instance 1.1
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Part instance 2.1
You cannot apply a constraint between two components belonging to the same subassembly if this subassembly is not the active component
Part instance 3.1 Part instance 4.1
You can apply constraints only between the child components of the active component
Sub-Product D
Part instance 5.1
Part instance 6.1
You cannot define constraints between two geometric elements belonging to the same component
Constraints
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Assembly Design Save Management
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The Save Management command lets you save all or several of your new or modified documents (CATParts and CATProducts). In the Save Management panel the state (e.g. opened, modified, new) is displayed.
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Assembly Design Link management See AM2252 CATIA V5 Multi Model Links
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The option “Keep link with selected object” is deactivated by default
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Assembly Design Standard Parts (1/2) Using a Standard Part contained in a Standard Part Catalog
See AM5012 CATIA V5 Assembly Rules
Standard parts are elements defined by a standard document. They are delivered in a CATIA V5 catalog named “AIRBUS CATALOG”. 1.
Access the Catalog Browser
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Select the Catalog Browser Icon or Tools > Catalog Browser to access the Catalog Browser directly, and then browse to find the needed catalog
Key in or select the AIRBUS catalog directory
Catalog Browser
Browse another Catalog
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Assembly Design Standard Parts (2/2) 2. 3. 4. 5. 6.
Navigate through the chosen catalog Select the desired family and within this family the part you need Right-click to select the Copy contextual command Select the base of your assembly Right-click to select the Paste contextual command
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The part is copied into your assembly. Note that this part is no longer linked to the catalog.
Note: If you select Tools > Mechanical Standard Parts > xxx catalogs you will access a catalog delivered with CATIA V5 (EN, ISO …). This are not AIRBUS standard catalogs!
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Assembly Design Hints and Tips – Hide Elements / Search The functionality Tools > Hide is not available in the Assembly Design. To hide the same type of elements, use the Edit > Search function from the pull down menu to find the elements and then click the Hide icon.
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E.g. search all planes
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Assembly Design Hints and Tips – Positioning of Items (1/4) The example shows how to position one Part (A) in a specific angle (45 degree) to another cylindrical Part (B). 1.
Fix Part B
2.
Create a contact constraint between Part A and Part B • Select the face of Part A to be constrained • Select the circular face of Part B • Click the Contact Constraint icon, select External Orientation and then ok
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Part B
Part A
Contact Constraint
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Assembly Design
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Hints and Tips – Positioning of Items (2/4) 3.
Position the compass to get a rotation axis • Select the red square at the centre of the compass and drag it onto Part B to snap it to the cylinder axis
4.
Select the Part A
5.
Double click one of the green compass axis to open the Compass Manipulation panel
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Assembly Design
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Hints and Tips – Positioning of Items (3/4) 6.
Rotate the Part A • Define the angle value (45 deg) in the Rotation increment field • Click the rotation icon
7.
Close the Compass Manipulation panel
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Assembly Design
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Hints and Tips – Positioning of Items (4/4) 8.
Put the compass back to the default position • Drag the compass away from the selected part and drop it on the axis system in the lower right corner of the document window
9.
Fix the Part A • Select the Part A • Click the Fix Component icon
Fix Component
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Generative Drafting • • • • • • • • • • • • •
Starting the Drafting Workbench General Drafting Rules Quality Rules Toolbars and Icons Overview Generating Views Generating Dimensions Generating Instantiations Generating Drawings from 3D Changing the Drawing Scale Replacing the Drawing Sheet Overload Properties Plot / Print Hints and Tips •
View Properties
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Generative Drafting Starting the Drafting Workbench (1/3)
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Use the Start > Mechanical Design > Drafting pull down menu for starting the Generative Drafting Workbench. A new CATDrawing will be activated with an empty sheet.
See AM2264 Main Module Drafting with CATIA V5
Also use File > Page Setup to modify the format
To check that the correct ISO file (AIRBUS_ISO) is used, proceed to File > Page Setup within the CATDrawing CATIA V5 Basic - Presentation
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Generative Drafting Starting the Drafting Workbench (2/3) If the 3D geometry already is open in V5 when using the Start > Mechanical Design > Drafting it is possible to select between an empty sheet or the automatic layout.
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OK
Use Modify... to select the correct ISO file (AIRBUS_ISO) and to do the page setup
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Generative Drafting Starting the Drafting Workbench (3/3) Drawing frames and title blocks must be stored within the Background of the CATDrawing file
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The geometry will be created in the Working Views
When any work needs to be done on the views, select Edit > Working Views.
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Generative Drafting Titelblock Work arround (1/5)
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1.
Change from Working Views in Background
2. Select Button Catalog Browser Select Button Browse another catalog : /CADLIB/std/CATIAV5-Drafting/A-D open the catalog: FramesGeneralEng.catalog
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Generative Drafting Titelblock Work arround (2/5) 3. Open the chapter „Frames“.
4. Select a frame format with double click or with the contextual menu „Instantiate © AIRBUS DEUTSCHLAND GmbH. Alle Rechte vorbehalten. Vertrauliches und geschütztes Dokument.
component“. For the exact positioning the smart pick can be used.
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Generative Drafting Titelblock Work arround (3/5) 5. Break the links to the Catalog document.
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Select the componenets insert from the catalogs Catalog objects and use the function „xy Object / Expose 2D Component“ in the context menu from the right mouse button.
6. Is no detailsheet in the drawing a new one will be created..
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Generative Drafting Titelblock Work arround (4/5) 7. Check if all links to the catalog document are broken by the function Edit / Links. Only
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the link type ViewLink and no MML may be shown in the link list.
8. Change back to the Working Views
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Generative Drafting Titelblock Work arround (5/5)
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9. To insert a Text in the title block you have to change to the detailsheet and edit the text
Do not delete unused text (xxxx) replace this text by a dash ( - ).
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Generative Drafting General Drafting Rules • • • • •
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•
Only one sheet per file (CATDrawing) shall be produced Many detail sheets can be produced per CATDrawing If a drawing will contain more than one sheet a separate CATDrawing file needs to be created (xxx-01.CATDrawing, xxx-02.CATDrawing, …) All title blocks will be inserted within the Background of the CATDrawing When creating a drawing with CATIA V5 the naming of the CAD files shall conform to AP2610 and ABD0004 The sheet sizes shall conform to ABD0004 Part1
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Generative Drafting Quality Rules To assure the overall usage (PDM-System and Release Management) of the drawings there some rules to follow: • • •
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•
• • • • • • • •
The Magnitude Length shall be mm. View Frames shall be invisible, otherwise they would occur in TIFF files The first 9 characters of the CATDrawing file name and the CATPart/CATProduct file name, which is linked by the views, shall be identical. This is needed to assure the consistency between the part/product and its representation in a drawing There shall be no activated View in Sheet / no activated Detail View in Detail Sheet. Plot problems are possible, if one of the views / detail views etc. is activated instead of the sheet. A View should always linked to Part/Product. View with broken link to part/product shall be avoided Non-associative Dimensions and Non Up-to-date Dimensions shall be avoided Fake Dimensions should be avoided Elements in a 2D view, which have been created by hand and have no association to 3D should be avoided Empty sheets, views, detail views should be deleted Look the views Use the QCHECKER for drawings CATIA V5 Basic - Presentation
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Generative Drafting Toolbars and Icons Overview (1/9) Sections
Toolbar Views (1/2)
Projections
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Unfolded View
Front View
Projection View
View from 3D
Aligned Section View
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Break view
Detail View Profile
Quick Detail View Profile
Advanced Front View
Aligned Section Cut
Offset Section Cut
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Wizard
Isometric View
Auxiliary View
Offset Section View
Clippings
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Quick Detail View
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Generative Drafting Toolbars and Icons Overview (2/9) Sections
Toolbar Views (2/2)
Projections
Clippings
Details
Wizard
Break view
Clipping View Profile
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Clipping View
Breakout View
Broken View Views via the Wizard
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Generative Drafting Toolbars and Icons Overview (3/9) New View
Toolbar Drawing (Working Views activated)
New Sheet
Instantiate 2D Component
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New Sheet Selected Edit > Working Views or Edit > Background in the Pull Down Menu to switch between the Views and the Background
Toolbar Drawing (Background activated)
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Bill of Material
Frame Creation
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Instantiate 2D Component
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Generative Drafting Toolbars and Icons Overview (4/9) Toolbar Dimension Generating
Generating Dimensions Step by Step
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Generate Dimensions
Generate Dimensions
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Generate Balloons
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Generative Drafting Toolbars and Icons Overview (5/9) Technological Features Dimensions (TFD)
Toolbar Dimensioning TFD
Length TFD
Details
Radius Diameter TFD TFD
Dimensions
Re-route Dimensions
Create Interruption(s)
Geometrical Tolerance
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Angle TFD Remove Interruption(s)
Re-route Dimensions Cumulated Dimensions
Dimension
Length/ Distance Dimensions
Stacked Dimensions
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Datum Feature
Coordinate Dimensions
Thread Dimension
Coordinate Dimension Table
Hole Dimension Table Page 246 of 312
Generative Drafting Toolbars and Icons Overview (6/9) Toolbar Tools Palette
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Projected dimension Force dimension on element Force horizontal dimension in view Force vertical dimension in view Force dimension along a direction True length dimension Intersection point detection
Force dimension along a direction Dimension perpendicular to a direction Dimension along a fixed angle in view
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Generative Drafting Toolbars and Icons Overview (7/9) Toolbar Annotations
Symbols
Table From CSV Text
Table
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Table
Text
Text Replicate
Datum Target Welding Symbol
Text with Leader
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Roughness Symbol
Weld
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Generative Drafting Toolbars and Icons Overview (8/9) Area Fill
Toolbar Dress Up
Arrow
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Axis and Threads
Centre Line with Reference
Center Line
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Thread with Reference
Thread
Axis Line and Centre Line
Axis Line
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Generative Drafting Toolbars and Icons Overview (9/9) Toolbar Tools Analysis Display Mode
Sketcher grid
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Snap to point
Create Detected Constraints
Show Constraints
Dimension sytem selection Mode
Filter Generated Elements
F1 For the Toolbars Positioning, Analyse, Multi-View, Dimension generation, Dimension Properties, Profile, Background and General Tools see the Catia V5 Online Documentation: Workbench Indexes > Generative Drafting > Workbench Description > Command Board CATIA V5 Basic - Presentation
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Generative Drafting Generating Views (1/2)
Create predefined Views about the assistant. It is possible to use default predefine Views or to create new configurations of views. View Creation Wizard Create associative Views from 3D.
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Front View
Create an offset/aligned section view, or an offset/aligned section cut Offset Section View
Create a detail by defining a circle or sketched profile. Detail View
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Generative Drafting Generating Views (2/2)
Create clippings by definition of a circle or a sketched profile. Clipping View Create a broken view by modification of an available view.
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Broken View Create a breakout view by modification of an available view. Breakout View
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Generative Drafting Generating Dimensions (1/2)
Generate Dimensions such as Distance, Length, Angle, Radius, Diameter and so on. Dimensions
Create Datum Features and Geometrical Tolerance.
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Datum Feature
Create Text such as Text with Leader, Balloon and Datum Target. 5
A
Text
Create Roughness Symbols, Welding Symbols and Welds. Roughness Symbol
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Generative Drafting Generating Dimensions (2/2) Generate all Dimensions from 3D in one Shot or Step by Step.
Generating Dimensions Analysis of dimensions that were generated and possibly re-positioned on the active view. Dimensions Analysis shows the dimension interferences. Dimensions Analysis
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Dimensions are automatically re-positioned. Dimension Positioning...
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Generative Drafting Generating Instantiations
Create a new Detail Sheet. The geometries created in this sheet can be inserted in the Drawing sheet. New Detail Sheet Insertion of geometries from Detail Sheet.
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Instantiate 2d Component Insertion of Standard Details with Catalog Browser. Catalog Browser
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Generative Drafting Generating Drawings from 3D (1/2) 1.
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2. 3. 4. 5. 6.
Use the Start > Mechanical Design > Drafting pull down menu for starting the Generative Drafting Workbench. A new CATDrawing will be activated with an empty sheet. Insert the drawing frame and the title block in the Background Select Edit > Working Views In the same session open an existing part or product (if not already opened) Use Window > Tile ... to show both the 3D geometry and the drawing For View creation use either • the normal Projection panel
•
or the View Creation Wizard
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Generative Drafting
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Generating Drawings from 3D (2/2) 6.
Select a reference plane on the 3D geometry to define the front view
7.
Specify the final view direction with the view manipulator
Note: Drawing views generated are fully associative with the 3D model so therefore when a CATPart/CATProduct requires a modification, the CATDrawing will subsequently require an update to take into account the changes. The drawing can be checked at any time to make sure the links are maintained with the 3D model. This is done using Edit > Links. CATIA V5 Basic - Presentation
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Generative Drafting Changing the Drawing Scale In order to avoid the loose of associativity, the views scale must be changed only in the Properties window and not by overwriting in the Text field of the view.
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• Move the cursor to the view frame and click the MB3 to open the contextual menu • Select the Properties option • Modify the scale of the view
Only the scale of the geometry will be modified, not the value of the dimensions. CATIA V5 Basic - Presentation
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Generative Drafting Modify the View Projection Plane After creation of the Front, Projection and Detail Views the projection plane of the Front View can be changed:
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Select the Front View and click MB3 to open the context menu:
Choose a new projection plane in the 3D-Window and start the creation of the front view again.
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Update the views
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Generative Drafting Overload Properties In the Overload Properties can be set, how a Part should be represented in the section or in the projection view . • Move the cursor to the view frame and click the MB3 to open the contextual menu • Select Front view object > Overload Properties option • Select an element in the Characteristic list • Click on Edit to open the Editor
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• Modify the properties and click ok
Note: The Overload Properties are only available when at least two Parts exist in the extracted view.
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Replace a 3D Document (1)
View-Link
Vi e
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Erzeugen einer Neuen Version
w-
Li
nk
Erzeugen einer Neuen Version
View-Link Replace 3D Document
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Replace a 3D Document (2) Replace a 3D document of a drawing Requirement: The UUID of the old and new 3D document must be the same.
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1. 2.
Open the new drawing and the new 3D document Replace the link to the 3D document by Edit/Links
3.
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Generative Drafting Plot / Print (1/2) To print or to plot the drawings, click on the function 'Print' from the 'File' menu. It is possible to print/plot the drawings in the actual or in a modified sizes. The choice of the printer and the settings to Page Size and Page Position take place in the 'Print' menu.
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1
2 3 Use Tools > Image > Capture to capture a selected region! CATIA V5 Basic - Presentation
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Generative Drafting Plot / Print (2/2) Choose of Printer
Print Preview
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1
3
Settings of Page Size
2
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Generative Drafting Hints and Tips - View Properties The generation of the geometry is predefined in Tools > Options > Mechanical Design > Drafting > Generation.
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To modify the visualisation and dress-up of a single view, use the View Properties MB3 on the View > Properties > View…
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DMU Introduction • Basics • • • • • • •
• DMU Space Analysis
General Design Review Document Modes Cache Management Memory Allocation Activate / Deactivate Load / Unload
• • • • •
Toolbar Overview Toolbar Measure Toolbar Analyse Measure Clash Computation
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• DMU Navigator • • • • • • • •
Toolbar Overview Toolbar View Toolbar DMU Viewing Toolbar Navigation Tools Toolbar Data Navigation Toolbar DMU Move Toolbar DMU Generic Animation Fly Mode
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DMU Introduction Basics – General
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•
The CATIA V5 DMU solution includes the Workbenches DMU Navigator, DMU Space Analysis, DMU Fitting, DMU Kinematics and DMU 2D Viewer. This documentation will give an introduction into the DMU Navigator and the DMU Space Analysis.
See AP2264 Management of the digital mock-up See AP2266 Digital Mock-Up General Process
•
The DMU Workbenches are integrated into Catia V5, the application must not be changed.
•
A CATProduct is needed to work with the DMU Tools.
•
Within the DMU Workbenches you will worked mainly in the visualization mode. Original geometries can be used by switching from the visualization mode in the design mode.
•
All results calculated in the DMU Workbenches (Distance, Measure, Group, Sectioning, …) are filed in the CATProduct under the entry "Applications" in the tree. They are assigned to the highest node and are stored in the CATProduct.
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DMU Introduction Basics – Design Review DMU Navigator
General Process
• • • •
Find and load necessary geometries
•
Visualize geometries
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•
2D/3D Annotation Group Spatial Query Create one or more ‚Scene‘ for comparing the different Assemblies Exact positioning ‚Snap‘ of Parts by taking the geometrical elements into account (lines, points, planes, ...) Generating of animation (*.avi)
Analyse geometries DMU Analysis • • • •
Mark of problem areas
Documentation and storage of the results
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Interactive clash detection Sectioning Performing of measurement Compare products, visualisation of removed or added geometry Distance and Band Analysis Publish of clash detection (*.xml) Show clash detection as 2D section
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DMU Introduction Basics - Document Modes Document Modes
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There are two different document modes available when a product is opened •
Visualisation Mode Visualisation mode opens a significantly lighter model than its true geometrical form, and can increase the performance. The visualisation mode uses a geometrical format .cgr (Catia Graphical Representation) that represents only the external appearance of the component. No Specification Tree available. No axis and wireframe geometry is visible. No plus sign is visible in front of the components in the tree.
•
Design Mode Design mode is the original editable format, making all geometrical data available. Exact geometry is loaded. If the Option “Work with the Cache System” is activated (default at AIRBUS) all parts are loaded in Visualisation mode. When modification is required on a part it can be converted from visualisation to design mode by: • MB3 over the part icon > Representations > Design Mode or • double-click MB1 over the part icon CATIA V5 Basic - Presentation
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DMU Introduction Basics – Cache Management (1/3) Working with the Cache System
CATProduct
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Insert an Existing Component (e.g. Part1.CATPart) or Open a CATProduct which includes at least one Part
Catia V5
Part1 loaded in visualisation mode
Tessellation
Local Cache Part1.CATPart.”timestamp”.cgr
The first time a Part is inserted, it is tessellated. It means that the corresponding .cgr file is computed and saved in the local cache as well as displayed in the document window. The .cgr file is described by the name of the CATPart and a timestamp
It is possible to work with a released cache. A released cache is a read-only cache that can be located anywhere on the network and several directories can be defined for this cache.
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DMU Introduction Basics – Cache Management (2/3) When this component will be required again, the .cgr file which already exists (and not the original document) is automatically loaded from the local cache. Before the loading of the .cgr file, its timestamp will be checked to verify that no modifications have been made to the CATPart since the generation of the .cgr file. If the timestamp is out of date, the CATPart will be re-tessellated. Insert an Existing Component (e.g. Part1.CATPart) or Open a CATProduct which includes at least one Part
Check if .cgr exist in the local cache (e.g. usr/tmp/CATCache) Yes
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No
Check if timestamp ok Yes
No Check if .cgr exist in the released cache (e.g. fc/d21w1 in the ROA) Yes
No
Check if timestamp ok No
Yes
Create a new .cgr in the local cache
Load the .cgr CATIA V5 Basic - Presentation
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DMU Introduction Basics – Cache Management (3/3)
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To view the contents of the cache use Tools > Cache Content in the DMU Navigator Workbench
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DMU Introduction Basics – Memory Allocation
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Impact of available Functionalities
Icon
Function
Impact
Edit/ Delete
delete
Model and structure element will be unloaded completely
load
Model will be loaded in RAM
only *.CATPart and *.CATProduct
unload
Model will be unloaded from the RAM
only *.CATPart and *.CATProduct
activate
Model is loaded in the RAM, structure element must exist
deactivate
Model will be unloaded from the RAM, structure element survives
design mode
Native Geometry will be loaded
visualisation mode
Only tessellated Geometry will be loaded, native Geometry will be unloaded from RAM
hide
Models will be transferred in the no-show area, no RAM is released
show
Models will be transferred from the no-show area in the show area, no additional RAM is covered
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Strong utilization of RAM!
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DMU Introduction Basics – Activate / Deactivate
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MB3 > Representation > …
Grey axis: Deactivated Red axis: Activated
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DMU Introduction Basics – Load / Unload
Unloaded
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MB3 > Components > …
Loaded
Note: If Tools > Options > General > Referenced Documents: Load referenced documents is selected, only the structure will be loaded. CATIA V5 Basic - Presentation
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DMU Introduction Navigator – Toolbar Overview 1/4 Toolbar View (Examine mode)
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Fly Mode
Toolbar View (Fly mode) Fly
Examine Mode
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Accelerate
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DMU Introduction Navigator – Toolbar Overview 2/4 Toolbar DMU Viewing
Previous View
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Look At
Manage Annotated Views
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Lighting
3D Annotation Create Scene
Add Hyperlinks
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Group
Sectioning
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DMU Introduction Navigator – Toolbar Overview 3/4 Toolbar Data Navigation
Spatial Query
Search
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Go to Hyperlinks
Current Selection Panel
Applicative Entities Reordering
Start Publish
Toolbar DMU Move Cumulative Snap
Translation or Rotation
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Reset Position s
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DMU Introduction Navigator – Toolbar Overview 4/4 Toolbar DMU Generic Animation
Clash Detection (Off)
Track
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Play a Simulation
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Edit Sequence
Record Viewpoint Animation
Track
Clash Detection (Off)
Colour Action
Clash Detection (On)
Visibility Action
Clash Detection (Stop)
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DMU Introduction Navigator – View Navigating in examine mode is the default mode. Documents can be examined from the outside by moving around the perimeters, or from the inside by turning the head to view or moving closer to different objects. Examine Mode In Fly mode, you can move upwards or downwards on any horizontal view plane. You can also move forwards or backwards. Fly Mode
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In Walk mode, you can walk forwards and backwards as well as turning right or turning left. You can also walk along the horizontal plane Walk Mode In Walk mode or Fly mode it is possible to use the ‚Turn Head‘ function.
Turn Head
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DMU Introduction Navigator – DMU Viewing Visualisation of an On-Screen detail by using the button.
Look At Create a separate window where the enlarged details of a document will be displayed. The complete environment is permanently visible.
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Magnifier Achieve 3D depth effects by clipping geometry on a plane parallel to the screen and creating fog effects. After closing the function the clipping planes are still active. Only in deactivating the clipping planes will the components be complete again. Depth Effects Visualise a plane at the ground level of the document, this enables to recognise if the document is positioned in the right direction. Horizontal Ground Variation of ambient lighting effects. It is possible to change the lighting direction, brightness, contrast and highlights. Lighting
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DMU Introduction Navigator – Navigation Tools Generate text fields and marker in a stored view. When moving the view the texts disappear. The function is usable within a section. Annotated View Create a comment to describe a problem or to document a message. The comment is permanently visible. 3D Annotation
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Define a group of Objects by individual selection. Groups can be stored in the document.
Group Enable: To work on the evolution of an assembly in a separate window from the actual assembly, Or to save a copy of an assembly in a separate window, work on the development directly on the assembly. Create Scene
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DMU Introduction Navigator – Data Navigation Search for an object with a specific name, or with a specific type or colour. Search for product properties or objects created using a specific workbench, in a current document or throughout the whole product structure. Search
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Spatial Query
Simplify a complex assembly by displaying only those products you want to work with. It is based on cubic representation of each part. The size of the cubes is designated by the accuracy parameter. Zone Query: The Ability to search all products is included in a rectangular box Preparation of html reports so that you can publish it on the enterprise intranet. You can insert a snapshot of a clash conflict, add appropriate comments or annotations and even select parts to insert as a VRML link.
Start Publish
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DMU Introduction Navigator – DMU Move Move a set of components by using the parameters in the Move dialog box.
Translation or Rotation This allows the definition of an environment with additional constraints a component’s reducing degree of freedom Cumulative Snap
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Create a symmetrical component by mirroring, or a new instance by rotation and translation, or the same instance by rotation. Create symmetry on Component This resets the position of selected products or of all products if none are selected. The position of products corresponds to the last stored position. Reset the position of Products
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DMU Introduction Navigator – DMU Generic Animation The simulation player is available every time you create a track, a sequence or when you simulate your track. Simulation Player Recording of viewpoint animations either using the fly/walk command or direct manipulation of the geometry. A replay is automatically created for each new viewpoint recording. Record Viewpoint Animation
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Deactivate interference detection while replaying a simulation.
Clash Detection (Off) Activate interference detection while replaying a simulation.
Clash Detection (On) Activate automatic clash detection stop mode for simulation.
Clash Detection (Stop)
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DMU Introduction Navigator – Fly mode
• Select the button „Fly“ • Change to perspective projection by confirmation of the counter „Yes“ • Start the fly: Hold MB2 and click MB1 once
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• Beginning of the fly phase. In the middle of the screen a target point appears. On lower screen border there is a green arrow which shows the fly direction. Under the arrow the current airspeed is indicated. • The fly direction can be steered with the mouse. The deflection depends on the distance between mouse pointer and target point. • Button ‚Screen up / Screen down‘ – makes possible to adjust the speed. • Click MB1 again to change the direction of the flight (Change from forward to backward) • To finish the flight mode switch back into the "Examine“ mode • Use View > Render Style > Parallel to exit the perspective projection
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DMU Introduction Space Analysis – Toolbar Overview 1/2 Toolbar DMU Space Analysis
Compare Products
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Sectioning
Clash
Distance and Band Analysis
Measure Item
Measure between
Measure Three Points
Measure Inertia
Create an Annotated View
3D Annotation
Group
Manage Annotated Views
See next page
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DMU Introduction Space Analysis - Measure Measure the minimum distances and angles between geometrical entities (surfaces, edges, vertices and entire products) or between points. Measuring within a section is possible. Measure between Measure the properties associated to a selected item (points, edges surfaces and entire products).
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Measure Item Measure the length, radius and angles of an arc drawn through three points. Measure Three Points
Measure the inertia properties of an object. To store the results in a text file click the export icon. Measure Inertia Measure a minimum distance, distances along x,y,z, or run a band analysis by defining the band and setting the accuracy. Distance and Band Analysis CATIA V5 Basic - Presentation
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DMU Introduction Space Analysis – Analyse Detect interferences between two or more products. It is possible to read or compare clash command results in the Check Clash dialog box. The interferences will be shown in a preview window. Clash Define a sectioning of one or more products by creating a section plane, a section slide or a section box. Sectioning
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Compare two parts or two products to detect differences between them and identify where material has been added and/or removed. Compare Products
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DMU Introduction Space Analysis – Toolbar Overview 2/2 Sectioning Definition Panel Sectioning tools
Edit Geometrical Invert Position Target Normal And Positioning by Dimension 2/3 Selections
Reset Position
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Volume Cut Section Plane Section Slice
Export As
Edit Grid
Results Window
Section Fill
Clash Grid Detection
Section Box
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DMU Introduction Space Analysis - Measure Measurements can be executed in tessellated and native geometry. If native geometry (design mode) is measured, the exact values are calculated. With the tessellated geometry the value is approximated. This is made recognisable by a tilde (~).
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Tessellated files (cgr) allow no selection of corners, edges and surfaces. To be able to use also this functional character, the mode must be switched from the visualization in the design mode. This must take place before the beginning of the measurement procedure. To avoid unnecessary post loading times, only the geometry which will be measured native should be loaded. Note: The results of the functions Clash, Distance, Band Analysis and Section are always based on the approximate representation. By working with cgrs it is the SAG value, by working without Cache or in the design mode it is the 3D Accuracy. Only the function ‘Measure Between’ guaranteed exactly measured values. The Value of 3D accuracy will be used for the transformation of data in tessellated shape automatically. The value can be changed later. If there is a difference between the SAG of the tessellated Part and the 3D accuracy, the SAG will be used for viewing. CATIA V5 Basic - Presentation
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DMU Introduction Space Analysis – Clash computation • Contact+Clash • Clearance+Contact+Clash • Allow negative Penetration depth, e.g. for flexible Parts
Clash
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Apply
• Inside one selection • Selection against all • Between all components (Only
recommend for smaller circumferences) • Between two selections
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CATIA V5 System settings
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System settings • Tools - Options • Document search • Display Accuracy • Display of Geometry • Part Update • Assembly Update • Cache Management • Part Number • External References • Product Visualization • Tree Customization • Display in Specification Tree • UNDO Steps
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CATIA V5 Tools - Options
Tools - Options Settings (Tools - Options)
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In this chapter often needed settings are explained for better understanding, user control and system performance. General information A “red closed padlock setting” is created by the administrator and cannot be modified by the user. An “grey open padlock setting” can be activated or deactivated (hook, input command or path and so on).
User setting activated User setting deactivated System administrator setting
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CATIA V5 Document search
Document search General - CATIA document search
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This defines the possible paths to look for documents single CAD models or linked in products (“Load referenced documents”).
Allowed or not allowed paths, the “Current” marked is the default path to search and save CAD data. TOP to BOTTOM search order and with “Active = Yes” allowance to look in this paths for linked CATIA objects.
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CATIA V5 Display Accuracy
Display Accuracy General – Display performance
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The “Accuracy” has a great influence in the time needed for rendering your geometry. Therefore keep the standard value or switch back to this value after temporary use of better display e.g. for screen shots.
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CATIA V5 Display of Geometry
Display of Geometry General – Display - Navigation - Selection
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This defines the way the geometry is shown before or after selecting.
(Face boundary dashed)
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CATIA V5 Part Update
Part Update
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Updating Parts Infrastructure – Part Infrastructure – General – Update These options define the system update for Parts (Solids and Surface Design). An automatic update works suddenly on every modification. If You want to make more modifications at once You should change the setting to manual update to save time.
Synchronization of Links from part to part e.g. mirrored parts (left / right part) If activated: The modification is recognised – but must manually be updated in “red coloured part”
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CATIA V5 Assembly Update
Assembly Update Updating Assemblies Mechanical Design – Assembly Design – General - Update
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These options define the system update for Assemblies. Time save on several modifications like above Î Manual.
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CATIA V5 Cache Management
Cache Management Cache Management Infrastructure – Product Structure – Cache Management
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For large assemblies it is necessary to work with the cache system. So normally it is activated.
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CATIA V5 Part Number
Part Number Correct naming for new parts Infrastructure – Product Structure – Product Structure – Part Number
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It is recommended to use the correct part name from the very first beginning of a new designed part. So this activated option will help you to avoid mistakes in naming and saving your CATIA model. On opening a New Part … … Naming is first step Î
Saving with correct predefined name:
Otherwise: Inconsistency Î CATIA V5 Basic - Presentation
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CATIA V5 External References
External References External References and Links Infrastructure – Part Infrastructure – General – External References
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Here the creation of “external Links” between parts is controlled. It is not allowed to create such external Links at AIRBUS today. The activated “Confirm when creating a link…” is an additional control for yourself.
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CATIA V5 Product Visualization (1/2)
Product Visualization (1/2) Display models in products Infrastructure – Product Structure – Product Visualization – Representation (1/2)
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If you are loading large assemblies, you can save time on “not activating shapes on open”. This means, that the product structure is shown in the specification tree – but no geometry is loaded.
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CATIA V5 Product Visualization (2/2)
Product Visualization (2/2) Display models in products Infrastructure – Product Structure – Product Visualization – Representation (2/2)
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In this case you can decide to show only a few needed geometry models by activating them in the tree:
MB3 – Representations – Activate Node
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CATIA V5 Tree Customization (1/2)
Tree Customization (1/2)
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Display in specification tree Infrastructure – Product Structure – Tree Customization – Specification tree order
This panel is used to manage the display of Product Structure nodes in the specification tree. But only nodes belonging to products are affected: Constraints, relations, applications defined under a product. The display within Part structure nodes is not affected!
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1 2
1. 2.
Position in tree Displayed or not
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CATIA V5 Tree Customization (2/2)
Tree Customization (2/2) Display in specification tree Infrastructure – Product Structure – Tree Customization – Specification tree order
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Example:
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CATIA V5 Display in Specification Tree
Display in Specification Tree Displayed information in specification tree Infrastructure – Part Infrastructure – Display
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To activate the options to be displayed in specification tree set the hooks. Most important informations are: External References (Links outside the model) Formula defined: •Parameters (direct access only in tree) •Relations
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CATIA V5 UNDO Steps
UNDO Steps General - UNDO steps Here the possible number of “UNDO” steps is defined.
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Increasing this number will influence your system performance especially on big assemblies and part modifications.
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The statements made herein do not constitute an offer. They are based on the mentioned assumptions and are expressed in good faith. Where the supporting grounds for these statements are not shown, AIRBUS DEUTSCHLAND GmbH will be pleased to explain the basis thereof.
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Document Control
Issue
Date
Summary and Reasons for change
Writer(s)
Draft A1
21 Sep 2004
Initial Issue
Michael Schwartz ACE Academy
Draft A2
03 Jan 2005
Incorporation of information about System settings
Michael Schwartz ACE Academy
Draft A3
10 Oct 2005
Release update CATIA V5 R12
Marcus Bendel ACE Academy
Draft A4
26 Oct 2005
Release update CATIA V5 R14
Marcus Bendel ACE Academy
Draft A5
29 Oct 2006
Enhanced function description
Marcus Bendel ACE Academy
Draft A6
29 Mar 2007
Deleted all German Specific informations
Volker Kowald ACE Academy
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