Download AKTU B-Tech 7th Sem 2016-2017 NME 031NPL 031 Computer Aided Manufacturing Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 7th Semester (Seventh Semester) 2016-2017 NME 031NPL 031 Computer Aided Manufacturing Question Paper

Printed Pages: 3 ' NME-03l/NPL-03l
(Following Paper ID and Roll No. to be ?lled in your
Paper ll) :
Answer Books)
20] 2230 Roll No.
B.TECH.
Regular Theory Examination (Odd Sem - VII), 2016-17
COMPUTER AIDED MANUFACTURING
Time : 3 Hours Max. Marks : 100
SECTION -A
1. Attempt all parts. All parts carry equal marks. Write
answer of each part in short; (10X2=20)
a) State the reasons to justify the need for automation
in manufacturing a product.
b) What are the advantages of automation?
0) List some of the application Numerical Control.
(1) What are the methods used for improving accuracy
of NC System?
6) Name the two types of controller used 1n the CNC
Machine tool
f) How feedback devices are classi?ed in CNC
System?
g) Distinguish between G and M function.
h) What are Geometry statements in APT?
1) List the bene?ts of Computer Aided Process
Planning.
j) De?ne a robot.
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NME-031/NPL-031
SECTION - B
Attempt any 5 questions from this section (5x 10=50)
2. I dentify the various levels of automation in a production
plant and explain their hierarchy with a ?ow chart.
3. Brie?y explain automated manufacturing system.
4. Identify and brie?y describe the three basic components
of a numerical control (NC) system.
5. Write shoxt note on NC coordinate system.
6. What is control system in CNC system and explain its
functions?
7. Explain the features and elements of CNC machines.
8. Explain the procedure for developing manual part program
with example.
9. Explain generative computer aided process planning in
detail.
SECTION - C
Attempt any 2 questions from this section(2><15=30)
10. a) Explain the various features of modern CNC
systems.
b) Explain the advantages of incremental programming
over absolute system. .
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NME-03 l/NPL-03 l
11. a) Classify automated systems used in manufacturing
and write short notes on it.
b) Discuss how group technology is used in designing
manufacturing cells.
12. Write a part program for the following part with plate
thickness of 5 mm.
Take spindle speed = 1500 rpm; feed rate = 100 mm/min.
I 10 I 60
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