| 摘要 |
A component rolling tool for applying a dynamic pressure groove comprising component rolling balls, cylindrical sleeve having an outer surface, an axis, a radius, a center hole, and guide holes, and being inserted into the bearing hole, and being relatively translated along the axis with respect to the bearing, and being relatively rotated about the axis with respect to the bearing, a moving roller coaxially inserted to the center hole, pressing the balls toward an outward direction of the guide holes and being moved along the axis in accordance with a pressure contact rotation between the balls and an inner peripheral surface of the bearing hole caused by a relative movement between the sleeve and the bearing, and a returning apparatus for returning the roller to an initial position at a desired timing in a state that the balls is released from a pressure contact with the inner peripheral surface.
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