Wheel-Wear Compensation for Numerical Form Grinding

[+] Author and Article Information
T. Giridharan, R. C. Dix, S. Nair

Dept. of Mechanical Engineering, Illinois Institute of Technology, Chicago, IL 60616

J. Eng. Ind 108(1), 16-21 (Feb 01, 1986) (6 pages) doi:10.1115/1.3187035 History: Received July 19, 1985; Online July 30, 2009


A new method for reducing the effect of grinding wheel wear on workpiece inaccuracy in numerically controlled form grinding of surfaces of revolution is proposed and analyzed. A mathematical model to describe wheel wear and contour production is developed for the grinding of a cyclindrical surface. The model results in a first-order hyperbolic differential equation for the radius of the wheel profile as a function of time and position. This equation is solved numerically using the method of characteristics. Closed-form solutions are also presented for a simplifed version of this equation. Pertinent results, such as reduction in the error in the workpiece radius, are presented to demonstrate the effectiveness of the proposed method.

Copyright © 1986 by ASME
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