Machine for the explosive forming of a workpiece of sheet materi

Details Machine for the explosive forming of a workpiece of sheet materi Machine for the explosive forming of a workpiece of sheet materi

1982-07-09

1984-09-18

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

By kinetic energy of fluid or field

29421E, B21D 2200

Patent

active

044716400

ABSTRACT:
A machine for the explosive forming of a workpiece of sheet material comprises a yoke-shaped frame with a base carrying a pressure cylinder whose piston is insertable from below into any of several cutouts in an overlying turntable in which dies with cavities spanned by respective workpieces are receivable. An overhanging arm of the frame supports a plate with a bottom recess confronting the cavity of an aligned die and has an upwardly extending supply channel closable by a sliding gate. In operation, with a workpiece clamped between the die and the plate, a force-transmitting medium is admitted into the recess and, with the sliding gate open, a charge provided with a detonation retarder is introduced through the channel with the aid of an igniter at the lower end of that piston which initiates its detonation, occurring after the piston has been withdrawn from the channel and the gate has been closed.

REFERENCES:
patent: 2140214 (1938-12-01), Temple
patent: 3289447 (1966-12-01), Amini
patent: 3376723 (1968-04-01), Chelmiaski

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