Hall Ticket No Question Paper Code: BCC005
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
M.Tech II Semester End Examinations (Regular) July, 2017
Regulation: IARE-R16
COMPUTER AIDED MANUFACTURING
(CAD/CAM)
Time: 3 Hours Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Write complete APT program to machine the profile of the part drawing shown in Figure 1.
Assume suitable machining data and cutting tool. All dimensions are in mm.
Figure 1
Differentiate between GOTO and GOnTO statement using suitable example in detail with neat
sketches.
2. Explain about automatic tool path generation using CAD/CAM software with suitable examples.

Explain the design of postprocessors in CAM systems.
UNIT II
3. Discuss about the different advantages of DNC system.
Explain adaptive control system for grinding machine in detail.
4. Discuss about adaptive control systems and its applications in CAM systems.
Explain adaptive control with optimization for CNC milling machine.
Page 1 of 2
UNIT III
5. Explain the general structure of a postprocessor with neat sketches.
Discuss about of a DAPP based postprocessor in detail.
6. Explain about various functions of communication channels.
Explain major variables in DAPP based postprocessor.
UNIT IV
7. Explain about microcontroller and its applications using suitable examples.
Explain about the programming of microcontroller.
8. Explain in detail about the ladder logic diagram.
Explain about various applications of PLC in CAM systems using suitable case study.
UNIT V
9. Explain about coordinate measuring machine and also discuss, briefly about any two types of
coordinate measuring machine using suitable diagrams.
Explain about artificial neural networks and its applications.
10. Explain in detail about the working principle of scanning laser system with neat sketches.
Explain about expert systems in CAM. Also discuss about the various parts of internal structure
of expert systems .