Assignment-II CAD/CAM

Assignment-II
CAD/CAM
2010-11
1. a) What do you mean by NC? Explain the basic components of NC system.
b) What are the problems with conventional NC? Explain CNC with advantages.

2. Explain the following.
a) NC Coordinate systems
b) Fixed zero and floating zero
c) Absolute positioning and incremental positioning

3. Explain the following
a) NC Motion control system
b) Applications of NC

4. a) List out different “words” used in manual part programming.
c) Explain Geometry and motion statements used in APT language

5. a) Explain the features of a machining center
b) Explain the features of turning center

6. a) Define Group Technology? Explain various methods for grouping parts into families.
b) Explain Production flow analysis.

7. a) Explain Opitz system and CODE system of parts classification and coding.
b) What do you mean by machine cell? Explain composite part concept for cell design.

8. a) Explain benefits of Group technology.
b) Explain Retrieval type CAPP system.

9. Define the following
a) Quality assurance
b) Quality control
c) Statistical Quality control
d) Control charts

10. a) Explain the advantages of CAQC.
b) Explain the contact inspection methods.

11. a) List out non contact optical inspection methods and explain scanning laser beam
device.
b) List out non contact non optical inspection methods and explain them.

12. a) Explain material handling system in CIM.
b) Explain the functions of computer in CIM.