Abstract
In this paper the concept and the possibility of an adaptive control of cylindrical plunge grinding are discussed and the principal phases of a basic plunge grinding cycle are analysed for the optimum control of the grinding cycle. The grinding behaviours in rough grinding, such as grinding power, grinding force and surface finish, can be accurately predicted by the equations expressed as the function of the grinding time and the grinding parameter, in which the constants are derived from the regression analysis of the grinding data. The spark-out time constants of the grinding system, actually measured and theoretically determined, are in good agreement with each other, while they change in dependence of the grinding conditions. The most part of the improvements of the surface finish and the out-of-roundness is performed within three times of the time constant. A criterion for wheel life based on the change of the wheel wear characteristics shown on Weibull chart is proposed.
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