This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University
Subject Code: Computer Aided Manufacturing
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VII(OLD) « EXAMINATION - WINTER 2017
Subject Name: 172501
Time:10.30 AM TO 01.00 PM
Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
- Support your answers by neat sketches wherever necessary.
- Use of G — codes & M — codes provided by GTU is permitted.
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Q.1 (a) Write advantages & disadvantages of CNC machines. 07
(b) Explain various stages involved with NC manufacturing. How do they differ from conventional manufacturing stages? 07
Q.2 (a) Explain with neat sketches the following: 07
(1) Machine zero (i1) Program zero (111) Part zero
(b) Name different punch tape readers & explain any two of them. 07
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OR
(b) Explain briefly the constructional features ball screw with neat sketches & state its application. 07
Q.3 (a) Explain Do loop and Macro facilities of programming with suitable examples. 07
(b) The figure -1shows the dimensions of a finished component to be made from a bar of @80 mm X 135 mm. Write the manual part programme to machine the component using G90 canned cycle. Refer to Table -1 for G-codes & M-codes. Use following process plan: 07
OR
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Q.3 (a) What is Automated Guided Vehicles? Explain different types of AGVs with their advantages and limitations. 07
(b) Prepare the process plan & write manual part programme for profile milling of the part shown in figure -2. Assume the plate thickness to be 10 mm. Refer to Table -1 for G-codes & M-codes. 07
Q.4 (a) What are different types of computer aided process planning? Explain with suitable examples. 07
(b) Write short notes on: (i) Robot sensors & (i1) End-effectors in robots. 07
OR
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Q.4 (a) Give advantages, limitations and applications of flexible manufacturing system. 07
(b) What is group technology? Explain benefits of GT. 07
Q.5 (a) What is meant by adaptive control? Explain all types of adaptive control. 07
(b) Write short note on “Selective Laser Sintering” technique of rapid prototyping. 07
OR
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Q.5 (a) Define Mechatronics. Discuss various elements of mechatronics. 07
Date:18/11/2017
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GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University
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