C
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIRST SEMESTER M.TECH. DEGREE EXAMINATION DEC 2017
Mechanical Engineering
(Production Engineering)
07ME 6205 DESIGN OF MACHINE TOOLS
Max.marks: 60 Duration:3 hours
Answer all six questions. Part of each question is compulsory.
Answer either part or part of each question
Q.no. Module 1 Marks
1a Explain the working and auxiliary motions in machine tools. 4
Answer b or c
b
Explain about machine tool drives.
5
c What are general requirements of machine tool design? 5
Q.no. Module 2 Marks
2a What are the various elementary transmission for transforming rotary motion in to
translatory? Explain any one.
4
Answer b or c
b Describe the types of differential mechanism. 5
c Explain the hydraulic transmission and its elements. 5
Q.no. Module 3 Marks
3a What are the criteria to be considered for the selection of range of spindle speed? 4
Answer b or c
b Explain rpm values of spindle constitute on arithmetic progression. 5
c Classification of feed box. 5
Q.no. Module 4 Marks
4a Explain the functions of machine tool structures and their requirements. 4
Answer b or c
b Explain basic design procedure of machine tool structure. 5
c What are the various shapes of slide ways applicable to machine tool? 5
Q.no. Module 5 Marks
5a Explain anti-friction bearing. 5
Answer b or c
b What are the materials used for spindle and spindle supports? 7
c How do you explain the stability of machine tool by considering the various factors? 7
Q.no. Module 6 Marks
6a What is the importance of control system used in machine tool for changing speed
and feed?
5
Answer b or c
b
Explain the functions, requirements and classification of control system in machine
tool?
7
c Explain with Block diagram of a numerical control system for simple turning
operation.
7