Control for gas metal arc welding system

Details Control for gas metal arc welding system Control for gas metal arc welding system

1986-09-17

1988-12-27

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21912402, 21913033, 21913771, B23K 909

Patent

active

047942320

ABSTRACT:
An arc welder control in which the current is pulsed between a high level and a low level. The high level pulse is maintained until a selected energy condition is satisfied. The low level pulse is maintained to satisfy an average energy condition. A proximity control moves the torch head and the feed wire tip toward and away from the work to stabilize a parameter of welder operation which may deviate with the current pulse energy control.

REFERENCES:
patent: 3538376 (1970-11-01), Parker
patent: 4301355 (1981-11-01), Kimbrough et al.
patent: 4409465 (1983-10-01), Yamamoto et al.
patent: 4427874 (1984-01-01), Tabata et al.
patent: 4620082 (1986-10-01), Graville et al.
patent: 4631385 (1986-12-01), Rothermel

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