Abstract
Edge-chipping yielded by grooving of ferrite using thin diamond blade is responsible for a deterioration of an electro-magnetic property of the magnetic head. Work damage such as chipping may be closely related to the mechanical property of bonding material of thin diamond blade. Edge-chipping yielded by grooving is examined using three types of thin diamond blade whose are made of metal, resin-metal and resin bonded materials. This paper focusses on the relationship between work damage and grinding force. Experiments show that chipping size is influenced by grinding conditions and mechanical property of bonding materials. It is found that the value of maximum normal grinding force per grain is made up of good correlation for edge-chipping size.
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