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RESEARCH PAPERS

The Wear of Grinding Wheels: Part 2—Fracture Wear

[+] Author and Article Information
S. Malkin

The University of Texas at Austin, Austin, Texas

N. H. Cook

Massachusetts Institute of Technology, Cambridge, Mass.

J. Eng. Ind 93(4), 1129-1133 (Nov 01, 1971) (5 pages) doi:10.1115/1.3428052 History: Received June 12, 1970; Online July 15, 2010

Abstract

The nature and extent of grinding wheel wear in precision grinding were investigated directly from the wear particles removed from the wheel. A statistical analysis of the wear particle size distributions was developed to determine the relative amounts of bond fracture, grain fracture, and attritious wear. Most of the wear consists of grain and bond fracture particles with relatively more bond fracture occurring with softer wheels. The rate at which fracture wear occurs is directly related to the grinding forces and the amount of binder in the wheel. The attritious wear, although contributing insignificantly to the total, is the most important form of wear as it is directly related to the size of the wear flats, grinding forces, and workpiece burn, and therefore controls grain and bond fracture wear.

Copyright © 1971 by ASME
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