Press for producing workpieces from wire segments

Details Press for producing workpieces from wire segments Press for producing workpieces from wire segments

1981-04-08

1983-01-04

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72354, 72434, B21D 2200

Patent

active

043666973

ABSTRACT:
A press for producing workpieces from wire segments. The press includes a stationary matrix, a press carriage drivable back and forth, a crankshaft drive for the press carriage, a stamp leading the press carriage and drivably connected therewith, a spring effecting the leading of the stamp relative to the press carriage, and a feed or supply device for wire segments. A buffer resiliently yieldable in the pressing direction is associated with the stamp and is supported by a buffer spring on the machine frame. The spring characteristic and/or preloading of the buffer spring, which is located between the buffer and machine frame, and of the spring which effects the leading positioning of the stamp relative to the press carriage, are coordinated with each other in such a manner that, upon engagement or grasping of a wire segment by the stamp and the matrix, the spring force of the spring which effects the leading positioning of the stamp prevails over or exceeds the spring force of the buffer spring which supports the buffer, while in the course of further movement of the stamp in the pressing direction, the spring force of the buffer spring prevails over or exceeds the spring force of the spring which effects the leading positioning of the stamp.

REFERENCES:
patent: 2174970 (1939-10-01), Cornell, Jr.
patent: 3247851 (1969-02-01), Michelson
patent: 3972216 (1976-08-01), Messerschmidt
patent: 4306443 (1981-12-01), Matsutani

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