Pulse arc welding method and device in which pulse current and b

Details Pulse arc welding method and device in which pulse current and b Pulse arc welding method and device in which pulse current and b

1981-04-24

1983-10-11

Shaw, C. C.

Electric heating

Metal heating

By arc

21913051, 21913031, B23K 909

Patent

active

044094655

ABSTRACT:
A pulse arc welding device includes a power source which produces a background current and pulse current imposed on it. A voltage drop across the arc is measured and when such a voltage drop deviates from a predetermined level, either one of background current, frequency of the pulse current and pulse duration of the pulse current is controlled to maintain the voltage drop across the arc constant.

REFERENCES:
patent: 4152759 (1979-05-01), Hedberg
patent: 4159409 (1979-06-01), Hedberg
patent: 4300035 (1981-11-01), Johansson
patent: 4319124 (1982-03-01), Johansson

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