Wear and Tool Life of Tungsten Carbide, Pcbn and Pcd Cutting Tools

International Journal of Machine shots & Manufacture 46 (2006) 482491 www.elsevier.com/ localise/ijmactool

Wear and tool vivification of tungsten carbide, PCBN and PCD savage tools
J.A. Arsecularatnea,*, L.C. Zhanga, C. Montrossb
a

teach of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, NSW 2006, Australia b Ringwood Superabrasives Pty Ltd, 111 Gladstone Street, Fyshwick, ACT 2609, Australia Received 4 April 2005; accepted 4 July 2005 Available online 19 August 2005

filch The wear mechanisms of cutting tools made of tungsten-carbide (WC), PCBN and PCD were investigated using the tool life and temperature results available in the literature. For tool/work combinations WC/steel and PCBN/hardened-steel, to a lower place practical conditions, tool wear was found to be greatly in?uenced by the temperature. It was concluded that the most likely possessive tool wear mechanism for WC is diffusion and that for PCBN is chemical wear. For PCD, more than experimental results and hence further research is required to destine the dominant wear mechanism. q 2005 Elsevier Ltd. All rights reserved.
Keywords: Tool wear; Tool life; Tool temperature; Tungsten carbide; PCBN; PCD

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Introduction An ability to herald the tool life during machining is necessary for the design of cutting tools and the close of cutting conditions and tool change strategies. The extensive research in this area during the past century or so has contributed greatly to our understanding of the problem. However, there is as yet no machining surmise to provide adequate relationships between tool life and cutting conditions, tool geometrical parameters and, work and tool material properties. any(prenominal) of the major dif?culties are: (i) the complexity of the machining process which involves extreme conditions of genuinely high strains, strain-rates and temperatures, and (ii) lack of suitable data. Moreover, tool life depends on a number of variables which include the machine tool, tool...If you want to cop a full essay, order it on our website: Ordercustompaper.com



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