Anna University Chennai 2006-2nd Sem B.Tech Production Engineering II Regular s, / - exam paper

Code No: RR222002 Set No. 1
II B.Tech II Semester Regular Examinations, Apr/May 2006
MACHINE TOOL ENGINEERING
(Production Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
?????
1. (a) Enumerate the factors on which tool wear and tool life depend. [8]
(b) elaborate essential characteristics of cutting uid? [8]
2. (a) define brie y about taper turning methods? [8]
(b) elaborate the various kinds of Lathe attachments? explain them brie y. [8]
3. (a) What is meant by tool layout of a turret lathe? explain [8]
(b) Enumerate different rules, which must be followed while laying out sequence of
operations for a turret lathe. [8]
4. (a) What is planer? Illustrate and define its working principle. [8]
(b) provide detailed classification of planer machines. [8]
5. (a) Enumerate the uses and limitations of the subsequent drilling machine [9]
i. Sensitive drilling machine
ii. Pillar drilling machine
iii. Radial drilling machine
(b) discuss what is meant by spot facing? [7]
6. discuss with a neat sketch what do you understand by the words “ helix angle”and
“direction of cut” in the case of milling. What is their importance with respect to
machining performance? discuss the basis on which these are opted. [16]
7. (a) discuss the role of using cutting uids during grinding. [8]
(b) discuss the different precautions to be taken before mounting a grinding wheel.
[8]
8. (a) discuss clearly how work pieces are located . [8]
(b) Write a short note on Clamps and clamping devices. [8]
?????

Earning:   Approval pending.