Burnishing device for external surfaces of workpieces having cir

Details Burnishing device for external surfaces of workpieces having cir Burnishing device for external surfaces of workpieces having cir

1988-04-19

1990-05-15

Terrell, William

Metal working

Burnishing

29 905, 72 78, 72121, B24B 3904, B21C 3730

Patent

active

049245686

ABSTRACT:
A roller burnishing device for sizing and/or finishing the external surface of a workpiece having a circular sectional contour by causing a relative rotation between the workpiece and a plurality of truncated conical rollers arranged within a head having a truncated conical inner surface. In this device, the head is made nonrotatable and instead a hollow cylindrical cage supporting the rollers within the head is driven in rotation to rotate the rollers at a high speed and the rollers are caused to orbit by driving the cage in low speed rotation thereby causing the rollers to make a planetary motion within the head.

REFERENCES:
patent: Re16220 (1925-12-01), Mirfield
patent: 455336 (1891-07-01), Johnston
patent: 2843918 (1958-07-01), Koppelmann
patent: 3504514 (1970-04-01), Korson
patent: 3535900 (1970-10-01), Isaacs
patent: 3626560 (1971-12-01), Kalen
patent: 3791000 (1974-02-01), Kunze
patent: 4393675 (1983-07-01), Azarevich et al.

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