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Mechanical and thermal behaviours of grinding acoustic emission

Chen, Xun, Griffin, James Marcus and Liu, Qiang (2007) Mechanical and thermal behaviours of grinding acoustic emission. International Journal of Manufacturing Technology and Management, 12 (1/2/3). pp. 184-199. ISSN 1368-2148

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Abstract

Grinding burn is a common phenomenon of thermal damage that has been one of the main constraints in grinding in respect of high efficiency and quality. Many attempts have tried to utilise Acoustic Emission (AE) technique for identifying grinding burn. However, the AE features of grinding burn are relatively weak and easily merged by other AE sources. This paper presents an investigation of the AE features in terms of grinding mechanical and thermal behaviour. A series tests of single grit scratching, tension testing and laser irradiation were carried out to simulate grinding process in order to separate the mechanical and thermal characteristics of grinding acoustic emission. By means of the Wavelet Packet Transform (WPT), AE features that represent grinding burn temperature can successfully be extracted. These AE footprint features can provide a firm foundation for monitoring and analysing grinding burn.

Item Type: Article
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
School of Computing and Engineering > Centre for Precision Technologies > Advanced Machining Technology Group
School of Computing and Engineering > Diagnostic Engineering Research Centre > Measurement System and Signal Processing Research Group
School of Computing and Engineering > Informatics Research Group > XML, Database and Information Retrieval Research Group
School of Computing and Engineering > Diagnostic Engineering Research Centre
School of Computing and Engineering > Informatics Research Group
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Depositing User: Cherry Edmunds
Date Deposited: 28 May 2009 16:57
Last Modified: 10 Dec 2010 10:03
URI: http://eprints.hud.ac.uk/id/eprint/4558

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