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Mechanical and thermal behaviours of grinding acoustic emission

Author

Listed:
  • Xun Chen
  • James Griffin
  • Qiang Liu

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.

Suggested Citation

  • Xun Chen & James Griffin & Qiang Liu, 2007. "Mechanical and thermal behaviours of grinding acoustic emission," International Journal of Manufacturing Technology and Management, Inderscience Enterprises Ltd, vol. 12(1/2/3), pages 184-199.
    • Handle: RePEc:ids:ijmtma:v:12:y:2007:i:1/2/3:p:184-199
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    Cited by:

    1. James Griffin & Xun Chen, 2016. "Real-time simulation of neural network classifications from characteristics emitted by acoustic emission during horizontal single grit scratch tests," Journal of Intelligent Manufacturing, Springer, vol. 27(3), pages 507-523, June.

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