三点法による真円度測定法の一考察

概要

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A method of a roundness measurement to control not only the size accuracy but also the shape accuracy of works on machine tools is presented. Roundness is measured by three sensors which are succsessively fed and rotated through the distance of the sensors. This new measuring method is based on the three-points method and the sequential-three-points method which were proposed recently by Tozawa and et al. to measure the straightness. A summary of the results is an follows. (1) The measuring principle of roundness based on the three-points method and the sequential-three-points method is demonstrated. (2) A consideration on the gage angle, the number of measuring points and the coefficient of roundness is effected. (3) Some problems considered to cause the measuring error are treated. (4) The calculation time of roundness using the simplex method is reduced remarkably.
社団法人日本機械学会の論文
1988-10-25