Pulsed arc welding apparatus

Details Pulsed arc welding apparatus Pulsed arc welding apparatus

1984-11-30

1986-10-28

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913031, 219137PS, B23K 909

Patent

active

046200827

ABSTRACT:
A method of pulsed arc welding and an apparatus for carrying out the method, employ welding current pulses having an amplitude greater than the value of a background current. The arc voltage is sensed to provide a signal for controlling the frequency of the welding current pulses to counteract variations in electrode wire feed speed or spacing of the electrode from the workpiece.

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