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Proceedings Paper

Diamond Tool Wear Vs. Cutting Distance On Electroless Nickel Mirrors
Author(s): C K Syn; J S Taylor; R R Donaldson
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Paper Abstract

Wear data are presented for diamond tools cutting electroless nickel (eNi) for cut lengths up to 70,000 ft (13 miles). Two tools having different infrared absorption characteristics were used to cut an eNi preparation that had yielded minimum values for surface roughness and tool wear rate in a previous study. The data include Talystep measurement of the rms amplitude of the feed-marks versus cumulative cutting distance, representative examples of shape changes for the feed-mark profiles, SEM and optical micrographs of the tool rake and flank face wear zones, and measurements of the cutting edge profile and edge recession distance by a tool-nose replication technique. Feed-mark roughness values were found to increase from 5 to 90 A rms over the duration of the test, with an associated edge recession of about 1000 A and the development of a periodic tool edge grooving indicative of burnishing of the part surface. The IR absorption data successfully predicted the order of the two tools in terms of wear rate and fracture toughness.

Paper Details

Date Published: 13 February 1987
PDF: 14 pages
Proc. SPIE 0676, Ultraprecision Machining and Automated Fabrication of Optics, (13 February 1987); doi: 10.1117/12.939527
Show Author Affiliations
C K Syn, Lawrence Livermore National Laboratory (United States)
J S Taylor, Lawrence Livermore National Laboratory (United States)
R R Donaldson, Lawrence Livermore National Laboratory (United States)

Published in SPIE Proceedings Vol. 0676:
Ultraprecision Machining and Automated Fabrication of Optics
Donald L. Decker, Editor(s)

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