An Evaluation of Grinding Performance for Single and Polycrystal Grit Aluminum-Oxide Grinding Wheels

[+] Author and Article Information
James A. Kirk

Department of Mechanical Engineering, University of Maryland, College Park, Md.

J. Eng. Ind 98(1), 189-195 (Feb 01, 1976) (7 pages) doi:10.1115/1.3438815 History: Received March 24, 1975; Online July 15, 2010


Dry surface grinding tests have shown a large difference in the number of passes to workpiece burn between structurally identical single and polycrystal Al2 O3 vitrified grinding wheels. Special composite grinding wheels were designed and built to observe sequentially wear flat development in the scanning electron microscope. No difference in wear mechanisms was found for the two types of wheels. The difference in grinding performance is explained in terms of the number active cutting points per unit area and the dislodgment of dressing damage.

Copyright © 1976 by ASME
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