Thermal Analysis of the Wear of Single Abrasive Grains

Author:

Scrutton R. F.1,Lal G. K.2

Affiliation:

1. Mechanical Engineering Department, University of Waterloo, Waterloo, Ontario, Canada

2. Mechanical Engineering Department, Carnegie-Mellon University, Pittsburgh, Pa.

Abstract

It is shown that the wear of single abrasive grains in a simulated grinding operation (over-cut fly milling) is governed by a thermally activated mechanism. The model adopted in this theoretical treatment assumes that most of the energy expended during grinding enters the workpiece via adiabatic plastic flow. The accompanying rise in temperature at the grain-workpiece interface decreases the shear flow stress of the softer metal. This permits a greater adhesive wear rate. The predictions of the theory agree with the results of extensive experimental data.

Publisher

ASME International

Subject

General Medicine

Cited by 9 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. A process model for robotic disc grinding;International Journal of Machine Tools and Manufacture;1995-04

2. Surface finish in robotic disk grinding;International Journal of Machine Tools and Manufacture;1992-06

3. Framework of an intelligent grinding process advisor;Journal of Intelligent Manufacturing;1992-06

4. Analysis of rigid-disk wear during robotic grinding;International Journal of Machine Tools and Manufacture;1990-01

5. Some observations on profile wear in creep-feed grinding;Wear;1983-12

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