Resistance forge welding machine

Details Resistance forge welding machine Resistance forge welding machine

1998-09-03

2000-05-16

Ryan, Patrick

Electric heating

Metal heating

For bonding with pressure

219 8651, 219 867, B23K 912, B23K 37047, B23K 3702

Patent

active

060640286

ABSTRACT:
In resistance forge welding, the heat for the welding point is produced by simultaneous action of an electrical current and the force of the electrode as well as the electrical resistance of the materials to be welded in the region of the point of contact of the electrodes. The workpieces generally lie flat on each other and are welded under considerable pressure at individual points by the force of the electrode. The current and the electrode force are supplied via the electrodes.
In order to increase the controllability and dynamics of the electrode movement, according to the invention a controllable electromotive drive (13), which has a drive spindle (16) or a toothed rack, is used.

REFERENCES:
patent: 5225647 (1993-07-01), Dufrenne
patent: 5340960 (1994-08-01), Takasaki et al.
patent: 5386092 (1995-01-01), Dufrenne
patent: 5484975 (1996-01-01), Itatsu
patent: 5528011 (1996-06-01), Kono et al.
patent: 5582747 (1996-12-01), Sakai et al.
patent: 5898285 (1999-04-01), Nagasawa et al.

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