両センタ支持円筒研削面の2山成分とその除去研削法

概要

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Two-lobe components or two-point lobings on cross-sectional profiles frequently dominate out-of-roundness of cylindrical workpieces ground by using two dead centers. The present paper deals with these components and a new grinding method to eliminate them. It is shown that two-lobe components are observed as two-cycle-per-revolution runouts of ground surfaces when measured just after grinding from the workpiece table as a datum plane. This fact suggests that two-lobed profile. may result from workpiece rotation errors of two-cycle-per-revolution. In the proposed method, the workpiece runouts are corrected by oscillating the wheelhead position precisely by using a special system with a microcomputer and a stepping motor. It is found that, by this method, the two-lobe com-ponents and the out-of-roundness of workpieces can be reduced to about one half of the values in conven-tional methods.
公益社団法人精密工学会の論文
1984-11-05