PROBLEM TO BE SOLVED: To provide a cam surface grinding method capable of correctly grinding a cam surface having recessed parts and projecting parts formed on an outer circumferential surface of a cam.;SOLUTION: In a cam C having a cam surface F on an outer circumferential surface, and having recessed parts Fb1-Fb3 and projecting parts Fa1-Fa3 on the cam surface F, a rotary grinding wheel 24 is brought into contact with the cam surface F while being rotated around its center L1 axis of rotation, and the cam surface F is ground. When grinding the cam surface F, the rotary grinding wheel 24 is advanced and retracted in the direction (X-axis direction) across the center axis L1 of rotation of the cam C, and reciprocated in a direction (Y-axis direction) orthogonal to the advancing/retracting direction while the center axis L2 of rotation of the rotary grinding wheel 24 is inclined with respect to the center axis L1 of rotation of the cam C. The rotational direction of the cam C when grinding the recessed parts Fb1-Fb3 of the cam surface F is opposite to the rotational direction when grinding the projecting parts Fa1-Fa3 of the cam surface F.;COPYRIGHT: (C)2010,JPO&INPIT
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