Comparison of Static and Dynamic Hardness of Grinding Wheels

[+] Author and Article Information
J. Peklenik, M. C. Shaw

Department of Mechanical Engineering, Carnegie Institute of Technology, Pittsburgh, Pa.

R. Lane

Macklin Company, Jackson, Mich.

J. Eng. Ind 86(3), 294-297 (Aug 01, 1964) (4 pages) doi:10.1115/1.3670539 History: Received August 13, 1963; Online December 08, 2011


The values obtained by two new methods of measuring grinding-wheel hardness are critically compared for a variety of surface grinding wheels of different grain size and vitreous bond content. The two methods are found to agree quite well in their ability to distinguish wheels of different commercial hardness. One method is dynamic, easily applied in the workshop, somewhat more complex to analyze. The other method is quasi-static, and capable of yielding a more complete picture in research studies of grinding-wheel hardness through statistical analysis of the results obtained. It would appear that both methods represent a distinct step forward in grinding-wheel technology and that each is of value in its own sphere of application.

Copyright © 1964 by ASME
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