Method of and device for plasma MIG-welding

Details Method of and device for plasma MIG-welding Method of and device for plasma MIG-welding

1978-04-10

1980-11-11

Reynolds, B. A.

Electric heating

Metal heating

By arc

219 7616, 2191241, B23K 900

Patent

active

042334896

ABSTRACT:
Plasma-MIG welding wherein a plasma arc is initially established between a non-consumable electrode and a workpiece to initate and sustain a non-deviated plasma flow therebetween, welding wire is supplied along a path generally parallel to but laterally displaced from the plasma flow path, and a MIG arc is thereafter struck between the welding wire and the workpiece, whereby theplasma flow is laterally displaced by and drawn to the MIG arc to substantially concentrically surround the same.

REFERENCES:
patent: 3612807 (1971-10-01), Liefkens
patent: 3830997 (1974-08-01), Essers et al.
patent: 3891824 (1975-06-01), Essers et al.
"Plasma MIG Welding," Welding and Metal Fabrication, 12-1974, Sheet #46.

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