MORE IN Manufacturing Process 2
VTU Mechanical Engineering (Semester 4)
Manufacturing Process 2
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) What are the assumptions made in Earnst-Merchant theory?
2 M
1 (b) Show that, $\phi =\frac{\pi }{4}-\frac{\beta }{2}+\frac{\alpha }{2}$, using Earnst-Merchant theory.
8 M
1 (c) In turning a steel rod by a given cutting tool a given machining condition under a given environment the tool life decreases from 80min to 20 minute due to increase in cutting under the same condition and environment will be 40 minutes?
6 M
1 (d) Explain with sketch flank wear and crater wear.
4 M

2 (a) Discuss about high-speed steel (HSS) and cemented carbide tool material as regard to its composition, manufacturing and application.
12 M
2 (b) What are the factors affecting temperature in metal cutting? Explain.
6 M
2 (c) List any four describe properties of cutting tool material.
2 M

3 (a) With a neat sketch, explain crank and slotted link mechanism in a shaper.
6 M
3 (b) With a neat sketch,explain the parts of turret lathe.
8 M
3 (c) Explain thread cutting operation in a lathe.
6 M

4 (a) Show the twit drill elements and drill angles using twist drill nomenclature.
6 M
4 (b) Explain straight cut and conditioning NC systems.
6 M
4 (c) Discuss about preparatory function and miscellaneous function in a manual part programming.
8 M

5 (a) What is indexing? Mention different methods of indexing. Briefly explain compound indexing method.
8 M
5 (b) Index 24 division on a work-piece using indexing.
6 M
5 (c) Explain any three milling operations.
6 M

6 (a) Explain any three grinding wheel characteristics/Parameters.
6 M
6 (b) Briefly explain any five bonding processes.
5 M
6 (c) Sketch and explain surface grinding machine
5 M
6 (d) Explain truing and dressing of grinding wheels.
4 M

7 (a) What is the principle of broaching?
2 M
7 (b) what are the advantages and limitations of broaching?
4 M
7 (c) Explain with neat sketches,lapping and super finishing process.
10 M
7 (d) Explain any two broaching operations
4 M

8 (a) What ais the need of non-traditional machining (NTM)?
4 M
8 (b) Explain with neat sketches :
i) Electron beam machining
ii) Laser beam machining.
16 M

More question papers from Manufacturing Process 2