Hardened metal workpiece straightening machine

Details Hardened metal workpiece straightening machine Hardened metal workpiece straightening machine

1982-06-14

1984-05-29

Crosby, Gene P.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

B21D 310

Patent

active

044507070

ABSTRACT:
An apparatus and method for straightening the curvature of a hardened metal workpiece. A relatively sharp chisel point peen is driven by an air hammer to repeatedly strike the surface of the workpiece held on a rigid support table until the workpiece is straightened. The force or frequency of the peen chisel strikes can be infinitely varied by controlling the amount of air pressure delivered to the air hammer. Measurement of the workpiece is accomplished on the worktable by extending the workpiece between a pair of V-blocks and beneath a plurality of dial indicators.

REFERENCES:
patent: 1840237 (1932-01-01), Leighton
patent: 2426411 (1947-08-01), Peterson
patent: 2486844 (1949-11-01), Hercik
patent: 2726703 (1955-12-01), Fultz
patent: 3949588 (1976-04-01), Seo
patent: 3986380 (1976-10-01), Biggs
patent: 4154073 (1979-05-01), Galdabini
patent: 4226111 (1980-10-01), Wahli
patent: 4306435 (1981-12-01), Galdabini

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