Some Aspects of Flat Surface Grinding with Intermittent Cross-Feed

[+] Author and Article Information
J. K. Banerjee

Department of Physical Sciences, Universidad Nacional Experimental del Táchira (U.N.E.T.), Sa̧n Cristóbal—Venezuela

J. Eng. Ind 101(2), 135-146 (May 01, 1979) (12 pages) doi:10.1115/1.3439486 History: Received July 28, 1978; Online July 15, 2010


Part I: A Wheel Wear Mechanism. Using a constant maximum grit-force hypothesis for a fixed wheel-work combination, a stable and progressive wear-land model is developed as a function of the machine settings and its mechanical and thermal limitations are discussed. Experiments conducted with several wheel-work materials, both during dry and wet grinding justify the proposed wear mechanism and its limitations with respect to the machine settings. Part II: The Force Equilibrium. Under a stable wear mechanism as proposed in Part I, the grinding force is shown to be a simple linear function of a combined machine settings’ parameter; the slope of the line gives, in the range of the machine settings used, a constant specific energy for a given wheel-work material combination. Thermal expansion as well as grit rubbing, while not necessarily altering the basic wear-land geometry, tend to change this force relation. Experimental results over a wide range of the machine settings and for different wheels and workpieces agree with the force relation, and the specific energy calculated therefrom coincides quantitatively with the other published results on similar workpiece materials.

Copyright © 1979 by ASME
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