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Proceedings Paper

Some Observations On Tool Sharpness And Sub-Surface Damage In Single Point Diamond Turning
Author(s): C. Evans; R. Polvani; M. Postek; R. Rhorer
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Paper Abstract

Simple techniques for an assessment of the depth and intensity of plastic work, or sub-surface damage, in single point diamond turned components are described. Based on microhardness measurement techniques, the approach outlined here gives good qualitative correlation with conventional metallographic approaches for sub-surface damage assessment. Some data indicating variation of sub-surface damage with changing process parameters is presented; the aim of the paper, however, is to outline possible test methods and stimulate discussion. Possible approaches to measurement of tool sharpness are also discussed, again with the aim of eliciting comments.

Paper Details

Date Published: 1 January 1987
PDF: 15 pages
Proc. SPIE 0802, In-Process Optical Metrology for Precision Machining, (1 January 1987); doi: 10.1117/12.967102
Show Author Affiliations
C. Evans, University of Wisconsin and Precision Engineering Division (United States)
R. Polvani, National Bureau of Standards (United States)
M. Postek, National Bureau of Standards (United States)
R. Rhorer, Los Alamos National Laboratory (United States)


Published in SPIE Proceedings Vol. 0802:
In-Process Optical Metrology for Precision Machining
Peter Langenbeck, Editor(s)

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