Device for electrical discharge forming

Details Device for electrical discharge forming Device for electrical discharge forming

1976-07-12

1977-06-21

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

By kinetic energy of fluid or field

72DIG24, B21D 2602

Patent

active

040303292

ABSTRACT:
A device for electrical discharge forming comprises a fixed plate upon which is mounted an explosion chamber. Said chamber accommodates an electrode while its wall serves as the other electrode. To set off an explosion, the electrodes are electrically connected by a wire fed into the explosion chamber through a hole in its wall, said hole being made in the area of a step formed in the chamber wall. Installed near this hole are two knives one of which is rigidly fixed while the other one is movable for approaching the first knife and cutting off the wire. The cut-off end of the wire comes to rest on said step. In the device according to the invention the end of the wire does not stick to the hole in the chamber wall which eliminates the necessity of the operator cleaning the hole before feeding a fresh piece of the wire into the chamber.

REFERENCES:
patent: 3603127 (1971-09-01), Haeusler
patent: 3680397 (1972-08-01), Haeusler
patent: 3750441 (1973-08-01), Schneider
patent: 3852985 (1974-12-01), Haeusler

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