BALL PLACEMENT METHOD FOR BALL BEARING, BALL BEARING MANUFACTURING METHOD AND MANUFACTURING DEVICE, AND MACHINE AND VEHICLE MANUFACTURING METHOD

WIPO Patent Application WO/2023/243148

A1

This ball placement method for a ball bearing includes executing, in the stated order: a ball inserting step for loading a plurality of balls into one region along the circumferential direction of an annular space formed between an inner race and an outer race; a flow stopping step for placing a flow stop jig outside in the circumferential direction of the one region of the annular space such that the plurality of loaded balls remain inside the one region; a block dividing step for placing a block dividing jig in the annular space so as to divide the plurality of balls into groups; and a ball dividing step for removing the flow stop jig and the block dividing jig from the annular space from the state in which the flow stop jig and the block diving jig have been placed in the annular space, while sequentially inserting, in the axial direction, the tips of a plurality of work arrows protrusively provided in accordance with the number of balls between the plurality of balls, so as to place the plurality of balls at equal intervals in the circumferential direction.

NAKANO MAKOTO (JP)
DOBASHI KOHEI (JP)

PCT/JP2023/006162

December 21, 2023

February 21, 2023

Click for automatic bibliography generation  

NSK LTD (JP)

B23P21/00; F16C43/06

WO2019230023A1	2019-12-05
WO2018128174A1	2018-07-12

JP2008200789A	2008-09-04
JP2014233827A	2014-12-15
CN109296655A	2019-02-01
JP2019209475A	2019-12-12
JP2008200789A	2008-09-04
JP2022098114A	2022-07-01

EIKOH, P.C. (JP)

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