Paper Title:
Ultra High-Speed Cutting Experiment under the Cutting Condition that Cutting Speed Exceeds Plastic Wave Speed of Workpiece
  Abstract

Raising a cutting speed to above speed of a plastic wave of a workpiece material induces the high levels of the hydrostatic stresses in the shear zone, because a plastic wave traveling there becomes a shock wave. In order to ascertain the cutting phenomena occurring under the ultra high-speed cutting condition, the cutting experiments of a pure lead with cutting speeds of up to 140 m/s are performed with a high-speed impact cutting tester developed. The experimental result reveals that the cutting mechanism, especially chip formation, changes remarkably and the friction angle at the tool-chip interface rises in the ultra high-speed cutting. It can be explained that these phenomena arise from the plastic shock wave in the shear zone.

  Info
Periodical
Chapter
Chapter 2: Turning, Milling and Drilling
Edited by
Taghi Tawakoli
Pages
327-332
DOI
10.4028/www.scientific.net/AMR.325.327
Citation
J. Shinozuka, M. Sando, T. Horie, "Ultra High-Speed Cutting Experiment under the Cutting Condition that Cutting Speed Exceeds Plastic Wave Speed of Workpiece", Advanced Materials Research, Vol. 325, pp. 327-332, 2011
Online since
August 2011
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$32.00
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