Hybrid methods of metal forming using electromagnetic forming

Details Hybrid methods of metal forming using electromagnetic forming Hybrid methods of metal forming using electromagnetic forming

1998-08-17

2000-04-18

Jones, David

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72430, 72707, B21D 2614

Patent

active

060501219

ABSTRACT:
The present invention includes a method of forming a metal work piece into a target shape, said method comprising the steps: (a) obtaining a metal work piece, said work piece having an original shape; and (b)forming said metal work piece by mechanical action while simultaneously subjecting said work piece to electromagnetic forming, so as to deform said metal work piece from said original shape to said target shape. The present invention includes a method of forming a metal work piece into a target shape, the method comprising the steps: (a) obtaining a metal work piece, the work piece having an original shape; (b) disposing the metal work piece in a mold comprising an electronic actuator, the mold comprising: (i) an male mold portion having a mold side and a back side; (ii) a female mold portion having a mold side and a back side; the mold side of the male mold portion and the mold side of the female mold portion adapted to mate so as to deform a work piece disposed therebetween; (iii) at least one of the mold portions comprising at least one electromagnetic actuator; and (iv) a current power source adapted to produce a current pulse through the at least one electromagnetic actuator, so as to produce a magnetic field so as to be capable of deforming the work piece; (c) closing the mold sides upon the metal work piece while causing at least one current pulse to pass through the actuator, so as to deform the metal work piece from the original shape to the target shape. Preferably, the at least one current pulse comprises a series of current pulses.

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