Device for plasma-MIG welding

Details Device for plasma-MIG welding Device for plasma-MIG welding

1976-03-01

1978-05-02

Truhe, J. V.

Electric heating

Metal heating

By arc

219137PS, 219 74, B23K 900

Patent

active

040876713

ABSTRACT:
A device for plasma-MIG welding comprising a welding torch provided with a non-consumable electrode and a supply of a welding wire, the non-consumable electrode being connected to a first power supply source having a drooping voltage characteristic and the welding wire being connected to a second power supply source having a constant voltage characteristic, the first power supply source being connected in series with the second power supply source, thereby improving the stability of the plasma arc.

REFERENCES:
patent: 3783229 (1974-01-01), Rohe et al.
patent: 3832513 (1974-08-01), Klasson
patent: 3891824 (1975-06-01), Essers
patent: 3898418 (1975-08-01), Husui
patent: 3997756 (1976-12-01), Bykhovsky
Welding Technology Data - Sheet 46, Welding and Metal Fabrication - Dec. 1974.

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