Long forging machine for the forging of round or sharp-edged bar

Details Long forging machine for the forging of round or sharp-edged bar Long forging machine for the forging of round or sharp-edged bar

1989-12-08

1991-03-19

Crane, Daniel C.

Metal deforming

By three or more coacting relatively movable tools

Concurrently actuated tools

72447, B21J 916

Patent

active

050000268

ABSTRACT:
To permit round and sharp-edged bars to be forged down to the smallest sizes on a long forging machine without the need for tool changes, swivelling steering levers (30) with guide rams (29) carrying tools (31) are actuated at the ram ends when the steering levers (30) are in a freely movable state and the rams (29) are positively locked inside the steering levers. When the steering levers (30) are locked to the machine frame (6) and the rams (29) are guided linearly, material preforged to rounds may be finish-forged to sharp-edged bars, in which case the pairs of oppositely positioned ram-end tools (31) function as two free forging presses arranged on different vertical planes. Each tool (31) is mounted on a plate (36) movable transversely with respect to the direction of movement of ram (29) by piston and cylinder units (32, 33, 34) on the end of the ram.

REFERENCES:
patent: 2342021 (1944-02-01), Swanson
patent: 3657916 (1972-04-01), Pahnke
patent: 3837209 (1974-09-01), Guse
patent: 4660402 (1987-04-01), Hongo
patent: 4831864 (1989-05-01), Schmoll
SMS Sutton Inc.-The RUMX Radial Forging Machine, by Green, M. G. et al., SMS Hasenclever Division, Pittsburgh, Pa., pp. 1-11.

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