Pulsed arc welding machine

Details Pulsed arc welding machine Pulsed arc welding machine

1990-04-02

1991-05-21

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219137PS, B23K 909

Patent

active

050177575

ABSTRACT:
In a pulse arc welding machine which is adapted to feed at a constant speed a welding wire as a waste electrode to turn the molten lump of the wire tip end into a spray state with a pulse current so as to effect a welding operation, the risetime and falltime of the pulse current influence the bead outer appearance, the gas shielding property and welding function and are varied independently of the other parameters controlled by the machine in accordance with the material quality of the welding wire, the wire diameter, and the wire feeding speed.

REFERENCES:
patent: 3622744 (1971-11-01), Main et al.
patent: 4497997 (1985-02-01), Bodewig

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