Adaptive pulse mode gas metal arc welding control

Details Adaptive pulse mode gas metal arc welding control Adaptive pulse mode gas metal arc welding control

1990-03-29

1992-10-20

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219137PS, B23K 909

Patent

active

051572362

ABSTRACT:
The present invention provides a GMAW control system for balancing wire burnoff rate with wire feed speed at a weld site. A power source applies a pulsed current to the consumable wire. The width of the peak pulse current is calculated and adapted to maintain a constant optimum arc length as selected by the operator. The controller provides a reference voltage to the power source and the power source provides the pulsed current having a magnitude responsive to the reference voltage signal.

REFERENCES:
patent: 3896287 (1975-07-01), Cook
patent: 4409465 (1983-10-01), Yamamoto et al.
patent: 4620082 (1986-10-01), Graville et al.
patent: 4758707 (1988-07-01), Ogilvie et al.

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