ファインセラミックスの定切込み平面研削加工における研削抵抗の定式化

概要

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There are three processing modes of fine-ceramics, which are ductile mode grinding, brittle mode grinding, and composite mode grinding. Composite mode grinding is the mode which the ductile mode grinding and the brittle mode grinding blend. In this paper, grinding processing models of ductile mode and brittle mode under the constant cut surface grinding was composed, and the grinding force was formulated from these grinding processing models. It was assumed that grinding force in composite mode grinding is proportional to the ratio of the removal volume of ductile mode and brittle mode. In addition, the removal volume of brittle mode was assumed to be proportional to exponential distribution. As the result, the calculated grinding force was well corresponding to the grinding force obtained by experiment. Therefore, the possibility of evaluating the grinding force from both mechanical properties of fine-ceramics and grinding condition was found.
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