| 摘要 |
PROBLEM TO BE SOLVED: To provide a composite grinding method for highly accurately grinding inner diameter surface and outer diameter surface, shortening lead time and reducing machinery costs. SOLUTION: In this method, the inner diameter surface 1a of a ring-shaped workpiece 1 is ground by a grinding wheel 2 for an inner diameter arranged in the ring-shaped workpiece 1 and the outer diameter surface 1b of the ring-shaped workpiece 1 is ground by a grinding wheel 3 for an outer diameter arranged on an outer peripheral side of the workpiece 1, while rotating the workpiece 1 around a vertical axis. Cutting by the grinding wheel 2 and the grinding wheel 3 is simultaneously started, while rotating the workpiece 1 around the vertical axis in a state of the workpiece 1 supported by a supporting mechanism 4 to be rotatable around the vertical axis. During rough grinding up to finishing grinding, depth of cut and infeed rate on the inner diameter side and outer diameter side are made constant to simultaneously finish the rough grinding. COPYRIGHT: (C)2008,JPO&INPIT |
