Abstract
The generation of the grinding wheel topography is described in many different models and approaches. These models do not consider the influence of the dressing process on the wear of the grinding wheel. In particular the prediction of this wear dependent on the dressing process parameters is not possible with the currently available models. This article describes a novel model for the initial wear of vitrified bonded grinding wheels on the basis of Linke’s dressing model. Therefore, the load of the grinding wheel in dressing process is depicted using the mean dressing chip cross section, which is then used to model the wear of the grinding wheel. An analytical-empirical model for the initial radial grinding wheel wear in dependence of the load in dressing process is presented. Furthermore, the influence of the load in the dressing process on the wear mechanisms of the grinding wheel, in particular on the relative frequency of the fracture phenomenon grain break-out, is shown. The new model allows the prediction of the wear of the grinding wheel as a function of the geometric-kinematic engagement in dressing processes using the mean dressing chip cross section.
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