Rotary compression bending machine

Details Rotary compression bending machine Rotary compression bending machine

1982-09-27

1985-06-25

Combs, E. Michael

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

B21D 903, B21D 905

Patent

active

045245991

ABSTRACT:
A rotary compression bending machine comprises a radius die, a wiper die, and a flexible ball mandrel. Hydraulic cylinders are provided to simultaneously drive the wiper die around the radius die and to draw the ball mandrel through the tubing in order to reform the tubing while bending. The reformed tube will be wrinkle and distortion free around the bend radius.

REFERENCES:
patent: 1016770 (1912-02-01), Persons
patent: 3147792 (1964-09-01), Hautau
patent: 4012933 (1977-03-01), Porter

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