研削における砥粒破砕のマルコフ過程的解析(第1報) : 切れ刃形状の測定機とパターン認識

概要

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As will be shown in the later papers, edge fracture of abrasive. grain during grinding can be regarded as simple, homogeneous Markov process. In order to analyze variation of edge shape distribution of abrasive grains with grinding time as Markov process, 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 convex semi-spherical detecter. It is possible to infer the topography of the edge constitution from the pattern of output distribution of the diodes. The . inferred edge shapes were verified to be in good agreement with those of the grains shown 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 photodiodes automatically into the edge models proposed.
1984-10-05