砥粒切れ刃形状の測定機とパターン認識

概要

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In order to analyze variation of edge shape distribution of abrasive grains with grinding time, an optical instrument which enables us to detect the edge shape was specially designed and built. Reflected laser light beams from the apex of a grain are received by 25 photodiode plates which are laid out to form a convexsemispherical detecter. It is possible to infer the topography of the edge constitution from the pattern of output distribution of the diodes. The inferrededge shapes were verified to be in good agreement with those of the grains observed in photomicrographs. Based upon the experimental results with this instrument, 10 typical models of the edge shape are presented. The pattern recognition technique is further introduced to the measuring system, which allows to identify and classify the output pattern of the photdiodes automatically into the edge model proposed.
山梨大学の論文