Download GTU B.Tech 2020 Winter 7th Sem 2171903 Computer Aided Manufacturing Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 7th Sem 2171903 Computer Aided Manufacturing Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VII (NEW) EXAMINATION ? WINTER 2020
Subject Code:2171903 Date:30/01/2021
Subject Name:Computer Aided Manufacturing
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

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) Draw and explain PLC architecture.
04

(c) Explain the axes designation rules for machine tools employing
07
rotating tools. Sketch a lathe and designate its axes.


Q.2 (a) Explain the open loop and close loop control system.
03

(b) What is tool compensation? Explain tool length and cutter radius
04
compensation.

(c) Explain different sensors used in Robot with sketch
07




Q.3 (a) Explain incremental and absolute dimensioning with neat sketch
03

(b) Explain the various elements of CIM.
04

(c) Select a job of your choice and prepare a part program including a
07
subroutine.




Q.4 (a) Explain canned cycle with suitable examples.
03

(b) Explain the conditions in which GT can be applied.
04

(c) Write a manual part program for profile milling of the job as shown
07
in fig 1. All dimensions are in mm. Assume suitable tools and cutting
parameter for the manufacturing of the job.
Assume plate thickness to be 10mm
Fig.1.
Q.5 (a) Draw and explain CIM wheel
03

(b) Explain grippers in robots.
04

(c) Describe with neat sketch AS/RS system used in FMS
07
1

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Q.6 (a) What is FMS? Explain the basic components of FMS.
03

(b) Discuss benefits of Group Technology.
04

(c) Explain different types of FMS layouts with neat diagram.
07
Q.7 (a) Automated guided vehicle associated with FMS
03

(b) What is the objective of MRP 1? List its benefits.
04

(c) Explain the different types of flexibilities in FMS.
07



Q.8 (a) Explain about Robot safety.
03
(b) Explain concept of JIT. List various advantages of JIT in
04
manufacturing .
(c) What is computer integrated production management system?
07
Explain with neat flow chart.

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