High speed hammer forging machines

Details High speed hammer forging machines High speed hammer forging machines

1974-12-23

1976-03-23

Larson, Lowell A.

Metal deforming

By three or more coacting relatively movable tools

Concurrently actuated tools

72403, 72452, B21J 732

Patent

active

039452379

ABSTRACT:
In a high-speed hammer, precision forging machine the hammers are radially oriented with respect to the axis of the workpiece and are arranged in a plurality of opposed pairs. The hammers are positively coupled to each other by gearing. Displacement elements such as pairs of wedges that are longitudinally positioned between each hammer and its respective die holder so that, during the simultaneous movement of the dies towards the workpiece, an additional stroke movement is achieved. Mechanical, hydraulic, pneumatic or electrical means may be used to control the movement of the displacement elements.

REFERENCES:
patent: 1617890 (1927-02-01), Abbey
patent: 2986051 (1961-05-01), Appel
patent: 3146642 (1964-09-01), Kralowetz
patent: 3263474 (1966-08-01), Pentland

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