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Proceedings Paper

Preselection Of Diamond Single-Point Tools
Author(s): D. L. Decker; H. H. Hurt; J. H. Dancy; C. W. Fountain
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Paper Abstract

Diamond single-point tools of the very highest quality are required for precision machining of optical surfaces. However, a great variation in edge quality and tool life is observed in practice. The differences between poor and excellent tools are subtle and not easily detectable without verification by actual machining. A companion paper concerning the tribologic aspects of tool-edge quality and life discusses the possible mechanisms of tool degradation. This paper provides a discussion of practical methods for preselecting tools for high performance without resorting to machining use. Edge quality as observed by optical microscopy is not sufficient. Scanning electron microscopy and a recently developed two-stage replication process for the cutting edge and subsequent examination in transmission electron microscopy can yield the necessary resolution (<< 100 Å). In addition to characterization by high resolution microscopy, tool crystallographic orientation and perfection are also crucial. X-ray diffraction characterization is described in detail.

Paper Details

Date Published: 11 December 1984
PDF: 8 pages
Proc. SPIE 0508, Production Aspects of Single Point Machined Optics, (11 December 1984); doi: 10.1117/12.944972
Show Author Affiliations
D. L. Decker, Naval Weapons Center (United States)
H. H. Hurt, Naval Weapons Center (United States)
J. H. Dancy, Naval Weapons Center (United States)
C. W. Fountain, Naval Weapons Center (United States)

Published in SPIE Proceedings Vol. 0508:
Production Aspects of Single Point Machined Optics
Donald P. Brehm, Editor(s)

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