Abstract
The steadily increasing demand for cutting tools with high wear resistance coupled with an adequate toughness has led to the development of new cutting materials that are extremely difficult to machine by conventional grinding techniques: Cermets, Ceramics, PcBN, PCD. A new method of in-process dressing of metal bonded diamond grinding tools by a controlled electrochemical process, called ECD, opens up completely new ways-of grinding these materials. As a result not only the quality of the ground pieces is strongly improved but also an economical application of multi-layered, metal bonded diamond grinding wheels to the machining of modern cutting materials is achieved, which would be impossible otherwise. This new method has been applied successfully on an actual insert grinding machine.
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