2903 インライン画像計測を用いた高精度加工システム

概要

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This paper describes a new grinding system that incorporates a measurement unit to enable autonomous high-precision grinding control. The valve seat diameter, which is the dimension of intersection of two cones with a small angular difference, is difficult to measure at high accuracy with any of conventional techniques. For the new grinding system to overcome this difficulty, we developed the seat diameter measurement unit based on a new idea of incorporating an image processing system. The developed unit provides five times higher measurement accuracy than the conventional technique. In addition to this unit, the new grinding system contains a grinding unit that can process two different cones to a high precision without unloading the workpiece, and uses a different control algorithm for each fluctuation factor in grinding. All these features have realized the new grinding system that has three times as high precision as that of conventional systems.
一般社団法人日本機械学会の論文
2002-09-20