A power spectrum analysis of effect of rolling texture on cutting forces in single-point diamond turning

Y. K. Sze, Wing Bun Lee, Chi Fai Cheung, Suet To

Research output: Journal article publicationJournal articleAcademic researchpeer-review

8 Citations (Scopus)

Abstract

In most of the existing metal cutting theories, the workpiece is assumed to be homogeneous and most continuum theories do not take into account the effect of crystallographic anisotropy that causes variations in the shear plane at the grain level and hence of the cutting force. As the depth of cut in single-point diamond turning (SPDT) is usually less than the average grain size of a polycrystalline aggregate, cutting is generally performed within a grain. At this scale, the difference in the individual grain properties cannot be integrated out and a continuum solution would be insufficient. As a result, this paper presents a power spectrum analysis of the periodic fluctuation of micro-cutting forces in SPDT of polycrystalline materials. The experimental results show that the features of the power spectra of the cutting forces can be well correlated with the change of rolling texture of the materials being cut. These findings help to explain quantitatively the fluctuation of micro-cutting forces and hence the effect of rolling texture in SPDT, which are not encountered in conventional machining.
Original languageEnglish
Pages (from-to)305-309
Number of pages5
JournalJournal of Materials Processing Technology
Volume180
Issue number1-3
DOIs
Publication statusPublished - 1 Dec 2006

Keywords

  • Cutting forces
  • Polycrystalline
  • Power spectrum analysis
  • Rolling texture
  • Single-diamond turning

ASJC Scopus subject areas

  • Ceramics and Composites
  • Modelling and Simulation
  • Computer Science Applications
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

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