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Title: Ultrasonic Assisted Grinding of Ceramic Components (Ultrasoon ondersteund slijpen van keramische componenten)
Other Titles: Ultrasonic Assisted Grinding of Ceramic Components
Authors: Vanparys, Mieke; M0227180
Issue Date: 3-Dec-2012
Abstract: Advanced ceramic materials become more and more important for industrial applications, where resistance against wear, high temperatures and chemicals is primordial. However, compared with metals, advanced ceramics are very difficult to cut due to the elevated hardness. Ultrasonic assisted grinding (UAG) is a very promising process to increase efficiency and reduce costs of machining ceramic materials. The first objective of this doctoral research is to acquire a better understanding of several aspects of ultrasonic assisted grinding: the influence of vibration on process forces and surface quality, the influence of the machining system and tool wear. A second objective of this research is to increase technological knowledge, in order to make this promising process better accessible for industry. Different aspects are discussed: machining parameters, conditions and strategies
Table of Contents: Preface I
Abstract III
Samenvatting V
List of symbols and abbreviations VIII
Table of contents X
1 Introduction 1
1.1 Advanced ceramic materials 1
1.2 Machining advanced ceramic materials 10
1.3 Ultrasonic assisted machining 15
1.4 Objectives 27
1.5 Structure of the thesis 29
2 Initial experiments 31
2.1 Initial study of ultrasonic assisted grinding on different materials 31
2.2 Vibration measurement system 50
2.3 Machining conditions 52
2.4 Machining strategy 55
2.5 Conclusion 63
3 Analysis of machining systems 65
3.1 Tool vibration 65
3.2 Description of machining systems 66
3.3 Analysis of vibration of machining systems 70
3.4 Conclusion 72
4 Features with horizontal feed rate 75
4.1 Influence of machining parameters 75
4.2 Influence of vibration on ultrasonic assisted grinding 88
4.3 Tool wear during UAG of slots 101
4.4 Machining strategies 104
4.5 Machining examples 114
4.6 Conclusion 124
5 Holes 125
5.1 Comparison of UAG and conventional grinding 125
5.2 Influence of vibration 130
5.3 Workpiece actuation 141
5.4 Conclusion 142
6 Conclusion 145
6.1 Conclusions 145
6.2 Further work 148
7 References 151
A Ultrasonic assisted turning 159
A.1 Development of the ultrasonic assisted turning system 159
A.2 Vibration analysis of the UAT system 165
A.3 Experimental investigation 168
A.4 Conclusion 179
A.5 References 180
ISBN: 978-94-6018-600-4
Publication status: published
KU Leuven publication type: TH
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section

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