Raceway groove machining method, bearing, ball screw device, machine and vehicle production method
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United States of America Patent
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Nov 5, 2019
Grant Date -
Jan 17, 2019
app pub date -
Sep 29, 2017
filing date -
Oct 18, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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.
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