Abstract
The grinding wheel topography, which is generated by the dressing process, is a major factor for the process result. The fracture behavior of the grains during dressing depends not only on the dressing parameters but also on the grain shape, the grain orientation and the embedding depth. Therefore, an approach for a three-dimensional FEM model is presented, which predicts the fracture behavior of CBN grains depending on those factors. It was found that not only the grain shape but also the grain orientation angle had an influence on the normal dressing force and the fracture evolution during dressing.
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