RACEWAY GROOVE MACHINING METHOD, BEARING, BALL SCREW DEVICE, MACHINE, AND VEHICLE PRODUCTION METHOD

    公开(公告)号:EP3530407A1

    公开(公告)日:2019-08-28

    申请号:EP17861832.8

    申请日:2017-09-29

    申请人: NSK Ltd.

    摘要: There is provided a method for processing a raceway groove configured to circumferentially form a to-be-processed side raceway groove on a surface to be processed of a workpiece, the to-be-processed side raceway groove is configured to be brought into rolling contact with a rolling element, and the surface to be processed is a cylindrical circumferential surface. The method for processing a raceway groove includes: arranging a processing rolling element rotatably between the to-be-processed side raceway groove and a tool side circumferential surface which is opposed to the surface to be processed and which is a cylindrical circumferential surface of a machining tool; rotating the machining tool relatively with respect to the workpiece; and performing a burnishing process on the to-be-processed side raceway groove.