Reduced-spatter pulse arc welding machine for use with a consuma

Details Reduced-spatter pulse arc welding machine for use with a consuma Reduced-spatter pulse arc welding machine for use with a consuma

1988-04-25

1989-12-26

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913021, B23K 909

Patent

active

048899690

ABSTRACT:
A consumable electrode arc welding machine in which if a short circuit does not lasts beyond a predetermined first time limit, pulse current and base current outputs for the arc are alternated with each other in a basic pulse period. If a short circuit lasts beyond the first time limit, the welding output during the subsequent short circuit period is subjected to constant-current control along a predetermined first trace, and a second time limit begins from the start of arc regeneration. The welding output is controlled to be different from both the pulse current and base current during the second time limit to restore the operation of the welding within the basic pulse period.

REFERENCES:
patent: 4697062 (1987-09-01), Awano et al.

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