Pulse arc welding method

Details Pulse arc welding method Pulse arc welding method

1981-11-09

1985-03-26

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 60R, 21912512, 21913051, B23K 909

Patent

active

045075433

ABSTRACT:
In a pulse welding method, an optimum pulse current waveform defined by the amplitudes of the current pulse and base current and the width of the current pulse is maintained throughout the welding operation while the average welding current is varied by changing the frequency of the current pulse.

REFERENCES:
patent: 3249735 (1966-05-01), Needham
patent: 3737614 (1973-06-01), Paulange
patent: 3864542 (1975-02-01), Fletcher et al.
patent: 4019016 (1977-04-01), Friedman et al.
patent: 4046987 (1977-09-01), Hashimoto et al.
patent: 4301355 (1981-11-01), Kimbrough et al.

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