Download GTU BE/B.Tech 2018 Winter 7th Sem New 2171903 Computer Aided Manufacturing Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (NEW) EXAMINATION - WINTER 2018

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Subject Code: 2171903 Date: 29/11/2018
Subject Name: Computer Aided Manufacturing
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Explain the benefits of Computer Aided Manufacturing. 03
(b) Clearly differentiate NC and CNC machines. 04

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(c) Define the axes designation rules for CNC machines and explain the 07
same for CNC Vertical machining center.

Q.2 (a) Explain the open loop and close loop control system. 03
(b) Define the stick slip phenomena and explain the method to overcome it. 04
(c) Write a manual part program to prepare a job as shown in fig 1. The size 07

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of the raw material is ®5.0 X 6.0 inches. All dimensions are in inches.
Assume suitable tools and cutting parameter for the manufacturing of
the job.

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