Apparatus for air arc gouging

Details Apparatus for air arc gouging Apparatus for air arc gouging

1990-01-22

1990-08-21

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 69R, B23K 9013

Patent

active

049508636

ABSTRACT:
An air arc gouger. A central power supply (10) and a welding station (11) are used for welding operations, such as welding two metal plates (30A, 30B) together. If a weld (30C) is required to be removed, an adapter circuit (12), in conjunction with the central power supply )10) and the welding station (11), are used. The adapter circuit (12) need only supply the difference between the current required to maintain the gouging arc (31) and the maximum continuous output current of the welding station (11). The adapter circuit (12) is smaller, less expensive, lighter, more portable, and generates less heat than a conventional resistor grid.

REFERENCES:
patent: 3278721 (1966-10-01), Roe
patent: 4117304 (1978-09-01), Wodzinski et al.
patent: 4251710 (1981-02-01), Ortega-Aguivie et al.

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