ANNA UNIVERSITY, CHENNAI-600 025

B.E/ B.Tech DEGREE EXAMINATIONS, Oct/Nov 2013

Regulations-2008

Fifth Semester

B.E. MECHANICAL ENGINEERING

ME2309 – CAD / CAM LAB

Time: 3 Hours Maximum Marks: 100

1. a) Using standard CAD software, create a 3D solid model of Flange coupling and show the following views: (i) Assembled right half sectional front view (ii) Exploded view (80)

b) Differentiate wire frame and surface modeling techniques with suitable line diagrams. (20)

2. b) Using standard CAD software, create a 3D solid model of Universal coupling and

show the following views: (i) Assembled right half sectional front view (ii) Exploded view (80)

b) Differentiate surface and solid modeling techniques with suitable illustrations. (20)

3. a)Using standard CAD software, create a 3D solid model of Knuckle joint and show the

following views: (i) Assembled right half sectional front view (ii) Exploded view (80)

b) Differentiate wire frame and solid modeling techniques with suitable line diagrams. (20)

4. a) Using standard CAD software, create a 3D solid model of Plummer block and show

the following views: (i) Assembled right half sectional front view (ii) Exploded view (80)

b) Discuss about wire frame, surface and solid modeling techniques with suitable illustrations. (20)

5. a) Using standard CAD software, create a 3D solid model of Stuffing box and show the following views: (i) Assembled right half sectional front view (ii) Exploded view (80)

b) Differentiate CSG and B-rep approaches of solid modeling techniques with suitable illustrations. (20)

6. a) Using standard CAD software, create a 3D solid model of Lathe tail stock and show the following views: (i) Assembled right half sectional front view (ii) Exploded view (80)

b) Describe the feature based modeling technique with suitable illustrations. (20)

7. a) Using standard CAD software, create a 3D solid model of Machine vice and show the following views:

(i) Assembled right half sectional front view (ii) Exploded view (80)

b) Describe the CSG method of creating solid geometries with suitable examples. (20)

8. a) Using standard CAD software, create a 3D solid model of Screw jack and show the following views: (i) Assembled right half sectional front view (ii) Exploded view (80)

b) Differentiate wire frame and surface modeling techniques with suitable line diagrams. (20)

9. a) Using standard CAD software, create a 3D solid model of Plummer block and show the following views: (i) Assembled right half sectional front view (ii) Exploded view (80) b) Describe the B-rep method of creating solid geometries with suitable examples. (20)

10. a) Using standard CAD software, create a 3D solid model of universal coupling and show the following views: (i) Assembled right half sectional front view (ii) Exploded view (80) b) Differentiate CSG and B-rep approaches of solid modeling techniques with suitable illustrations. (20)

11. a) Using standard CAD software, create a 3D solid model of Knuckle joint and show the following views: (i) Assembled right half sectional front view (ii) Exploded view (80) b) Describe the CSG method of creating solid geometries with suitable examples. (20)

12. a) Using standard CAD software, create a 3D solid model of Screw jack and show the following views: (i) Assembled right half sectional front view (ii) Exploded view (80) b) Describe the B-rep method of creating solid geometries with suitable examples. (20)

13. a) Write manual part program for the part shown below and using a CNC machine perform the following (i) Generate the tool path simulation

(ii) Machine the profile on the workpiece (80)

b) Describe the standard G codes for CNC turning process (20)

14. a) Write manual part program for the part shown below and using a CNC machine perform the following (i) Generate the tool path simulation

(ii) Machine the profile on the workpiece (80)

b) Describe the standard M codes for CNC turning process (20)

15. a) Write manual part program for the part shown below and using a CNC machine perform the following (i) Generate the tool path simulation

(ii) Machine the profile on the workpiece (80)

b) Describe the standard G codes for CNC milling process (20)

16. a) Write manual part program for the part shown below and using a CNC machine

perform the following (i) Generate the tool path simulation

(ii) Machine the profile on the workpiece (80) b) Describe the standard M codes for CNC milling process (20)

17. a) Write manual part program for the part shown below and using a CNC machine perform the following (i) Generate the tool path simulation (ii) Machine the profile on the workpiece (80)

b) List the standard G codes and M codes of CNC turning process (20)

18. a) Write manual part program for the part shown below and using a CNC machine

perform the following (i) Generate the tool path simulation (ii) Machine the profile on the workpiece (80)

b) List the standard G codes and M codes of CNC milling process (20)

19. a) Generate the computer assisted part program for the part shown below and using a

CNC machine perform the following (i) Generate the tool path simulation (ii) Machine the profile on the workpiece (80)

b) List the standard G codes and M codes of CNC turning process (20)

20. a) Generate the computer assisted part program for the part shown below and using a

CNC machine perform the following (i) Generate the tool path simulation (ii) Machine the profile on the workpiece (80)

b) List the standard G codes and M codes of CNC milling process (20)