Acoustic emission monitoring of tool wear during the face milling of steels and aluminium alloys using a fibre optic sensor. Part 1: Energy analysis

Tom Carolan, Steve Kidd, D. P. Hand, S. J. Wilcox, P. Wilkinson, J. S. Barton, J. D C Jones, R. L. Reuben

Research output: Contribution to journalArticle

Abstract

An investigation of the relationship between tool wear and the energy of acoustic emission (AE) produced during various face milling finishing operations is presented. A model detailing how the AE energy, quantified by the r.m.s. value, varies depending on the material and the detailed tool geometry formed by flank and crater wear is described. Validation of the model was achieved in a series of practical machining tests covering a range of materials and tool types which resulted in various different wear forms. In all these wear tests a non-contact fibre optic interferometer was employed for AE detection directly from the workpiece. This sensor makes absolute, calibrated measurements of AE, unlike conventional contacting piezoelectric AE transducers, which may suffer uncertainties due to their frequency response and variations in transmission path. The fibre optic instrument is thus advantageous for studying variations of AE energy with tool wear. © IMechE 1997.

Original languageEnglish
Pages (from-to)299-309
Number of pages11
JournalProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Volume211
Issue number4
Publication statusPublished - 1997

Fingerprint

Fiber optic sensors
Alloy steel
Acoustic emissions
Aluminum alloys
Wear of materials
Monitoring
Fiber optics
Interferometers
Frequency response
Transducers
Machining
Geometry
Sensors

Keywords

  • Acoustic emission
  • Fibre optic sensors
  • Interferometry
  • Milling

Cite this

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title = "Acoustic emission monitoring of tool wear during the face milling of steels and aluminium alloys using a fibre optic sensor. Part 1: Energy analysis",
abstract = "An investigation of the relationship between tool wear and the energy of acoustic emission (AE) produced during various face milling finishing operations is presented. A model detailing how the AE energy, quantified by the r.m.s. value, varies depending on the material and the detailed tool geometry formed by flank and crater wear is described. Validation of the model was achieved in a series of practical machining tests covering a range of materials and tool types which resulted in various different wear forms. In all these wear tests a non-contact fibre optic interferometer was employed for AE detection directly from the workpiece. This sensor makes absolute, calibrated measurements of AE, unlike conventional contacting piezoelectric AE transducers, which may suffer uncertainties due to their frequency response and variations in transmission path. The fibre optic instrument is thus advantageous for studying variations of AE energy with tool wear. {\circledC} IMechE 1997.",
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AU - Hand, D. P.

AU - Wilcox, S. J.

AU - Wilkinson, P.

AU - Barton, J. S.

AU - Jones, J. D C

AU - Reuben, R. L.

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