Abstract
Vitrified bonded CBN wheels have proved their benefits in industry mainly in internal grinding processes. The present paper describes a strategy for an economical application of CBN in external grinding, with an adapted CBN technology employing small wheel diameters to reduce the initial costs. Compared to conventional grinding with an adapted CBN grinding strategy tool life, productivity, workpiece roughness and residual stress state of the workpiece can be improved significantly. However, even with CBN thermal damage of the workpiece surface can occur. In order to avoid thermal damage of the workpieces and to exploit the potential of CBN a temperature model to predict residual stresses of the workpiece surface based on the grinding parameters is developed.
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