CADM Lab Manual

BONAFIDE CERTIFICATE KALAIVANI COLLEGE OF TECHNOLOGY  COIMBATORE – 641 105 080120008 COMPUTER AIDED DRAFTING AND MODELING LABORATORY 

Certificate of Completion It is hereby certified that this a bonafide record record of work done by the following student of our institution for the above mentioned course in the even semester of the academic year 2010-11. Department

: CIVIL ENGINEERING

Name of the Student

:

Register No.

:

Dat Date of Comp omplet letion ion

:

Internal Assessment :

/50

Faculty Incharge

Certificate of Submission It is hereby certified that the record work was submitted for the Anna University of Technology Semester Practical Examination for the above completed course during the examination on _______________________.

Internal Examiner

External Examiner

SYLLABUS 080120008 COMPUTER AIDED DRAFTING AND MODELING LABORATORY  0 1 2 100 2 List of Exercises using software capable of Drafting and Modeling

I. Study of capabilities of software for Drafting and Modeling – Coordinate systems (absolute, relative, polar, etc.) – Creation of simple figures like polygon and general multi-line figures. 2. Drawing of a Title Block with necessary text and projection symbol. 3. Drawing of curves like parabola, spiral, involute using Bspline or cubic spline. 4. Drawing of front view and top view of simple solids like prism, pyramid, cylinder, cone, etc, and dimensioning. 5. Drawing front view, top view and side view of objects from the given pictorial views (eg. V-block, Base of a mixie, Simple stool, Objects with hole and curves). 6. Drawing of a plan of residential building (Two bed rooms, kitchen, hall, etc.) 7. Drawing of a simple steel truss. 8. Drawing sectional views of prism, pyramid, cylinder, cone, etc, 9. Drawing isometric projection of simple objects. I0. Creation of 3-D models of simple objects and obtaining 2-D multiview drawings from 3-D model. Note: Plotting of drawings must be made for each exercise and  attached to the records written by students

LIST & INDEX OF EXPERIMENTS 080120008 COMPUTER AIDED DRAFTING AND MODELING LABORATORY 

Ex. No.

Experiment Title

1

Study of CAD & CAM Fundamentals

2

Study of Think Design Software

3

Drawing Title Blocks

4

Drawing Complex Shapes

5

Drawing Orthographic Views of Simple Solids

6

Drawing Sectional Views of Simple Solids

7

Drawing Orthographic Views from Pictorial Views

8

Drawing Trusses

9

Drawing Line Sketches

10

Drawing Plan from Line Sketch

11

Creating Simple 3D Objects

12

Creating Pictorial Views

Marks out of  50

Average Marks Date of Completion of all Experiments

Faculty In charge

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

STUDY OF CAD & CAM FUNDAMENTALS Based on the lecture “FUNDAMENTALS OF CAD & CAM” and based on your own reference of books & websites, make a written study presentation under the title “Study of CAD & CAM Fundamentals”, not exceeding 4 pages.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

STUDY OF THINKDESIGN SOFTWARE Based on the live demo of “Think Design Software”, make a written study  presentation detailing the software strictly following the instruction sheet provided by the invigilator.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

DRAWING TITLE BLOCKS 1. Edit and plot a Standard Think Design Title Block for the following imaginary building drawing.

2. Draw a Standard Title Block for the imaginary building discussed below. Print the same in A4 sheet.

3. Create your own Title Block for the design of the imaginary building discussed as follows. Plot the Title Block in A4 sheet.

Imaginary Building Design.

Baby & Baby Associates is a civil engineering firm dealing with design and construction of buildings in Palakkad & Coimbatore districts. They are currently working on a project “JAIS COLLEGE OF TECHNOLOGY” constructed by millionare Mr. Ajin Prasad in memory of his close friend Mr.Jais Joseph at Waalayar. The designer of the project is Er.Anna Baby and the supervisor is Er.Bletty Baby. The date of the design verification is 21.11.2111. The drawing is the college master plan drawn to a scale of 1:25

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

DRAWING COMPLEX SHAPES Using Think Design Software, draw the following complex shapes. Assume dimensions suitably. Print the same in A4 sheet.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

DRAWING ORTHOGRAPHIC VIEWS OF SIMPLE SOLIDS Use Think Design Software, draw the multi view projections of ANY FOUR of the following solids. Plot the same.

1. A hexagonal prism of base side 25 mm and axis 60 mm long lies with one 1 of its rectangular faces on HP such that the axis is inclined at 45 0 to the VP. Draw  its projections 2 2. A pentagonal prism of side of base 25 mm and length and height 100 mm is resting on ground on one of its rectangular face, and the axis inclined to VP at 450. Sketch the projections freehand. 3 3. A tetrahedron of side 40 mm when it is placed such that the axis is parallel to both HP and VP. 4 4. A square prism of side 40 mm and height 100 mm when the axis is perpendicular to HP and parallel to VP. 5 5. A cube of 35mm side rests with one of its edges on HP such that the edge on which it rests is parallel to the VP. 6 6. A cylinder of base diameter 35mm and axis 60mm long lies with one of its generators on HP such that its axis is parallel to both HP & VP. Draw its projections 7 7. A square pyramid of base 30 mm and height 65 mm rests with one of its edges of its base on HP such that the base makes 30 0 to the HP. 8 8. A cone of base 50mm diameter and axis 65 mm long lies with one of its generators on HP and axis parallel to VP.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

DRAWING SECTIONAL VIEWS OF SIMPLE SOLIDS

9

Use Think Design Software, draw and print the sectional views of the

following solids 10

11

1. A hexagonal prism of side of base 40 and height 120 is lying on ground on

one of its face and the axis inclined at 30 0 to vertical plane. It is sectioned by a cutting plane which is perpendicular to both HP and VP at a distance of one third length of the axis. 12

13

2. A pentagonal pyramid of base side 30 mm and height 70 mm is resting

 vertically on its base on ground with one of the sides of the base parallel to VP. It is cut by a plane parallel to VP and parallel to HP at a distance 35 mm from the base.

14

3. The frustum of a cone assuming suitable dimensions.

15

4. A cylinder of 50 mm diameter and 60mm height stands vertically with

 base on HP. One of its rectangular faces is then inclined at 30 to VP and cut by a section plane perpendicular to HP & parallel to VP at a distance of 12 mm from the axis.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

DRAWING ORTHOGRAPHIC VIEWS FROM PICTORIAL VIEWS

16

Use Think Design Software, draw and print the orthographic views in first

angle projection of the following pictorial views.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

DRAWING TRUSSES

Using Think Design Software, draw  any 8 trusses. Assume dimensions suitably. Print the same in A4 sheet.

In addition, differentiate long span trusses with better line thickness in comparison with short span trusses.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

DRAWING LINE SKETCHES Using Think Design Software, draw and plot in A4 size suitable line sketches as instructed below.

1.

Construct a line sketch as shown below  for an office room

2. Draw a layout of a college library clearly indicating the various uses like digital library, reading section, books section, reference section, issue etc. The library is 90 m long and 50m wide.

3. A building plot is 60 feet long and 40 feet wide. Prepare a ground floor building line sketch for occupancy of four people. Assume data suitably.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

DRAWING PLAN FROM LINE SKETCH Using Think Design Software, draw and plot in A4 size a building plan based on the line sketch given below. Assume dimensions suitably.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

CREATING SIMPLE 3D OBJECTS Using Think Design Software, create simple 3D objects as mentioned and attach a print in A4 sheet of their pictorial views (in wireframe/shaded & Hidden modes)

1. A cone of base diameter 60mm and height 75 mm. 2. A cylinder of height 60mm and base radius 20 mm. 3. A pentagonal prism of side 25 mm and height 100 mm. 4. A hexagonal prism of side 40 mm and axis length 80 mm. 5. A cube of 80mm with filleted and chamfered ends. 6.  Any simple solid using Boolean Union, Difference & Intersection commands 7. A triangular pyramid of side 45 mm and axis length 80mm. 8. Two steps with a thread of 80 mm and a rise of 20 mm.

KALAIVANI COLLEGE OF TECHNOLOGY  Coimbatore - 641105 COMPUTER AIDED DRAWING & MODELING LAB

Academic Year : 2010-11 Semester : II Ex. No. : Date :

CREATING PICTORIAL VIEWS Using Think Design Software, create the follow 3D models and generate pictorial  view of the model and attach a print in A4 sheet (in Hidden mode). In addition,

generate multiple views of the pictorial view for ANY 2 objects. Assume details if  necessary.