任意の曲纏輪郭を有する切削工具成形用NC輪郭研削装置の開発

概要

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A new grinding method for contouring formed cutters with high accuracy is proposed. Based on the new method, a simultaneous three-axis NC contour grinding device with simple composition was developed. The device consists of an X-Y cross slide which performs linear movement and a rotary table which performs rotating movement, and is numerically controlled by a personal computer. The advantages of the device are as follows : (1) The rotating accuracy of the rotary table has no influence on the contour grinding accuracy of a workpiece. (2) The wear of a grinding wheel can be reduced, so that the number of truing of a wheel can be decreased. (3) No operations of relieving of a cutter are needed. Two types of formed cutter were ground with the new device, and then the form accuracy of these cutters was measured with a three-dimensional coordinate measuring machine. The result showed that the accuracy of one type was ±5 μm and the other was ±6 μm.
公益社団法人精密工学会の論文
1989-06-05