1
IE353 Product Development and Information Management CAD (CATIA) Practice
2009. 2. 10
Contents 1.
Practice Overview
2.
Product Structure
3.
Part Design
1) 2) 3) 4)
Under Cover Top Cover Plastic Body Steel Body
4.
Assembly Design
5.
Create Output File
1) 2)) 3) 4)
Create STEP File Create BOM (Bill ( of material)) Create Product Property File Drafting g
1 Practice Overview 1. 1.
Purpose p of Practice
1) 2) 2.
Increase the understanding of CAD system with CATIA practice Understand relationship between CAD system and PDM system
Modeling Object Top Cover Cover, Plastic Body Body, Steel Body Body, Under Cover Cover.
3.
Sequence of Practice
1) 2) 3) 4) 5)
Design whole parts of mug using “Part Design” menu. Assemble designed parts using “Assembly Design” menu. Create STEP and BOM with Assembled product. product Create Product property file Convert 3D model to 2D drawing with “Drafting” menu
2. Product Structure
Cup
Assembled Body
Top Cover
Under Cover Steel Body
Plastic Body
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3. Part Design 1) 2)) 3) 4)
Under Cover Top p Cover Plastic Body Steel Body
3.1 Part Design – Under Cover [1/5]
3.1 Part Design – Under Cover [2/5] 1
2
Input the part name. (Under_Cover)
3
Set Z-axis into a normal direction
4
Click xy plane[xy 평면], 평면] then click a sketch icon
5
Create working window.
Click a circle icon to create a center point based circle. circle
[2D Workbench]
3.1 Part Design – Under Cover [3/5] 1
Input exact dimension (33.5mm) by double click the circle
5
To make a Tray form form, click a [Hole] icon.
2
To show a 3D modeling picture , click a [워크벤치 종료] icon
3
After clicking the created circle, click a [Pad] icon.
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4
Input exact height (10mm) by double click the circle
Input a diameter of hole(63mm) and a height of hole (8mm)
3.1 Part Design – Under Cover [4/5] 1
3
To make a Inner wall, click the inside of Under_Cover and click the [스케치] icon.
After clicking Inner circle, click a [Pad] icon. Then, Input a thickness of hole(2mm)) and a height of Inner wall(8mm).
2
4
Using [원] icon, you can draw a circle of which semi-diameter is 25.5mm. After that, click the [워크벤치 종료] icon.
Its a completed Under_Cover.
3.1 Part Design – Under Cover [5/5] 1
Drawing File
3
STEP File
2
Model File
4
Property File
3.2 Part Design – Top Cover [1/2]
3.3 Part Design – Plastic Body [1/4]
3.3 Part Design – Plastic Body [2/4] After Selecting a YZ plan, click a [스케치] icon.
1
And then click[프로파일] icon to draw this.
3
To show a 3D modeling picture , click a [워크벤치 종료] icon and click [Shaft] icon.
4 First angle : 360 degree. d Profile/Surface Selection : 스케치1 Axis Selection : 스케치1\모서리.1
2
Click a corner of figure and set a position of figure by referring this d drawing. i
3.3 Part Design – Plastic Body [3/4] 1
Select a upper side of cup, click a [Shell] icon.
2
D f lt inside Default i id thickness=3mm thi k 3
3
Select a bottom of cup to make a pad and make a circle of which diameter is 47mm in a sketch mode.
4 Use [Pad] function. Length=15mm, 1 Thin Pad-thickness1=2mm
5
Its a completed Plastic Body.
3.3 Part Design – Plastic Body [4/4] 1
Drawing File
3
STEP File
2
Model File
4
Property File
3.4 Part Design – Steel Body [2/2] 1
Drawing File
3
STEP File
2
Model File
4
Property File
3.4 Part Design – Steel Body [2/2] 1
Drawing File
3
STEP File
2
Model File
4
Property File
4. Assembly Design [2/5] 1
Click the [Explode] icon to separate each part, then OK[확인]
4
5
2
3
Exploded parts
Select the central axis of Plastic body and Under Cover orderly
For easy assembly, click [조작] manipulation icon, then arrange each parts
6
Click [모두 갱신] all renew icon
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Exact coincidence of axis
Click [부합 제약조건] coincidence restriction
4. Assembly Design [3/5] 1
Click [접촉 제약조건] contact restriction
2
Select contact surface orderly
3
4
Creation of surface contact condition
Click [모두 갱신] all renew icon
5
Assembled state of Plastic Body and Under Cover
4. Assembly Design [4/5] 1
Central axis alignment of Steel Body
2
Click [접촉 제약조건] contact restriction, then select contact surface orderly
3
Plastic Body + Under Cover + Steel Body
Click [부합 제약조건] coincidence restriction to align the central axis,
4
Click Cli k [접촉 제약조건] contact t t restriction, then select contact surface orderly
5
Assembly Completed
4. Assembly Design [5/5] 1
2
Apply the material
Shadow view with material
3
Apply the material to each part
4
ISO view of shadow and material applied
4. Assembly Design [5/5] BOM Drawing File Model File STEP File Cup Property File
Top Cover
A Assembled bl d B Body d
Under Cover Steel Body
Plastic Body
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5. Create Output File 1) 2)) 3) 4)
Create STEP File Create BOM ((Bill of material)) Create Product Property File Drafting
5.1 Create STEP File 1
Save with Another name [다른 이름으로 저장]
2
File type [파일 형식] = *.stp
3
View of STEP file
5.2 Create BOM (Bill of Material Material)) 1
Analysis[분석] -> Click BOM
3
2
Saved BOM with Text file
5.3 Create Product Property File 1
Click [관성 측정] Inertia measurement icon
Select PartBody to measure
3
Product Property file with [*.txt ]type
2
Product Property window
3
Select Product Property to measure
5.4 Drafting [1/3] 1
Activate the [Part Design] of part, then select [도면] Drafting on the menu
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2
Select drafting format and layout
Horizontal view of Drafting and Part Design
3
Define the projection type and scale (세번째 각도 표준, 표준 3각 투상법)
5
Executing [뷰 작성 마법사] View Wizard to select composition of draft
5.4 Drafting [2/3] Click Next, Add of Delete additional view
Select a front view surface on the Part Design window
Set the direction with manipulation icon, then click the center point or manipulation icon or any point on the draft paper
5.4 Drafting [3/3] 1
4
Created Title block
2
Input the draft information
Click [치수] dimension icon
5 Write the dimension on draft with various dimension icon (Don’t skip or repeat the dimension, and select the location of dimension properly for readability
3
Move into [작업 뷰] Working view to write the dimension
HW#1: CAD Practice
Title : Product design using CAD (CATIA)
Design Subject : Any product which consists of more than 6 part (#of Part≥6)
Team : Max. 2 person
Major j use function: Pad,, Shaft,, Hole,, Edge g Fillet,, Shell,, Pocket,, Groove etc.
Output to Submit
Hard Copy : Report (Word, PPT etc.) Soft Copy Drawing File Model File Floppy disk, disk CD or E E-mail mail STEP File Property File BOM
D D Due Date t : Monday, M d F February, b 23, 23 (Class (Cl time) ti )
Information : Jeong, Myeon Gyu
[email protected] / Tel: 5163