SLI;IJ:Il;XCITED VlBi,A -riois ii 1 CHLU TOOLS ND METAL CUTTING
A.
$arcrp ra&id Ray
zbuitted to the Indian Intitzto of Tcchnology, Delhi for the award of the Degree of
DOCTOR OF PH ILO SOPHY
Department of applied Mechanics Indian Institute of Technology, Delhi
OBR ' ICE
This is to certify that the thesis etit1ed
t
XCiD VBEUTIOIN MIIN TOOLS AND )T.L )T. CUTTING'
bar
Sankax'prasad R r has been prepared under xriy supervision in cyanform.t to the ru1e and regulations of the Iridiert Institute of Teoiio1ogyDe1hi. I further certify that the thesis has attained a standard required for a P *D. degree of the Institute, The research report and results presented.
in the thesis
have not been subnitted. for any degree in any other univer t .
head, Applied., I4echanics Department.
Indian Institute of Tec oloays Del .
AC
ACNOWLDGMENT
The author is extremely grateful to Professor 13, Karunes, lead of the Applied Mechanics Department, Indian Institute of Technology, Delhi, for his helpful uidariee arid., constructive criticism without which this work would not have been posy ble.
FT
(aAwxARAa&D RAY)
TABLE OF CONTENTS
ACKNOWLEDGEMENTS iii
Chapter
1.
2.
3.
40
INTRODUCTION AND REVIEW 1
1.1 Introduction 2
1.2 Review of Work on Static and
Kinetic Coefficient of Friction S 13 Review of work on Critical Velocity 11 STICK-SLIP MOTION IN MACHINE TOOLS 13
FRICTION GENERATED TOOL VIB1VtTION IN
QUA$IDYNAMIC CUTTING 36
3.1 The Scope of Discussion in the
Present Chapter 38
32 The Modelling of the System L jQ 3,3 Basic and Governing Equations 45 3,4 Method. of Numerical Solution 49
3.5
A Numerical Example 523.6 Results and Discussions
5 1
+TOOL VIRTXON AND CHATTER IN D"IAMIC
CUTTING 60
)+.1 The Scope of Discussions in the
Present Chapter 62
+.2 The Modelling of the System 65 .3 Basic and Governing Equations 66 4,4 The Method of Numerical Solution 71
4.5 A Numerical Example 73
1,6 Numerical Results and Discussions 74
4
