Method of machining sleeve bearing

Details Method of machining sleeve bearing Method of machining sleeve bearing

1993-09-30

1994-08-23

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Process for making bearing or component thereof

29 9001, 29898056, 72 75, 72370, B21D 1700, B21D 5310

Patent

active

053395239

ABSTRACT:
A short cylindrical and thin sleeve bearing including a radial bearing portion of a dynamic pressure type on which grooves are formed is worked with high accuracy. Grooves are formed on an inner peripheral surface of a blank by a groove forming tool. Raised deformations generated on the inner peripheral surface as a result of this groove forming are removed by ball sizing of passing a steel ball on the inner peripheral surface. Further, by a roller burnishing tool, the cylindrical bore of the bearing is finished to have a predetermined diameter, and simultaneously, specular finish of the inner peripheral surface is effected.

REFERENCES:
patent: 3130477 (1964-04-01), Gill
patent: 3559258 (1971-02-01), Gardner
patent: 4542565 (1985-09-01), Berstein et al.

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