GTU Mechanical Engineering (Semester 7)
Computer Integrated Manufacturing
December 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Classify CNC machine tools on the basis of:
(i) Type of feedback system
(ii) Type of tool motion control
7 M
1 (b) What is FMS? Explain any three flexibilities associated with FMS.
7 M

2 (a) What is tool compensation? Explain tool length and cutter radius compensation.
7 M
Answer any two question from Q2 (b) or Q2 (c)
2 (b) Explain the feedback system of NC/CNC machine.
7 M
2 (c) What do you mean by geometry statement in ATP? Explain with suitable example, the format of geometry statements.
7 M

Answer any two question from Q3 (a), (b) or Q3 (c), (d)
3 (a) Write complete part program for the component shown in Fig.1. Raw material: MS Ï• 30×65 mm, cutting speed V= 40 m/min and feed=0.1 mm/rev

7 M
3 (b) What is GT? Explain methods of grouping parts into part families in brief.
7 M
3 (c) What are the objectives of cellular manufacturing? Explain the different types of machine cell designs.
7 M
3 (d) What are the objectives of FMS? Describe the various layouts used in FMS.
7 M

Answer any two question from Q4 (a), (b) or Q4 (c), (d)
4 (a) Sketch and explain cylindrical and SCARA configuration of industrial robot, showing work envelope.
7 M
4 (b) What are the different types of gripper used in robot? Explain any two in detail.
7 M
4 (c) Enlist and explain different elements of a robot.
7 M
4 (d) Which parameters are to be considered for robot specification and selection of robot? Explain in details.
7 M

Answer any two question from Q5 (a), (b) or Q5 (c), (d)
5 (a) Discuss the concept of CIM wheel and state potential benefits of CIM.
7 M
5 (b) Distinguish between variant and generative type CAPP stating their advantages.
7 M
5 (c) Explain MRP-I and MRP-II in detail.
7 M
5 (d) Explain in brief programmable logic controllers.
7 M



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