Welder control

Details Welder control Welder control

1980-01-21

1982-06-29

Shaw, C. C.

Electric heating

Metal heating

By arc

21913031, B23K 910

Patent

active

043373860

ABSTRACT:
An automatic welder control 10 for direct and reverse polarity welding has an analog signal control circuit with an isolator 34 connected therein. This prevents the establishment of a circulating current path from the welder power drive circuit 14 through the signal circuit.

REFERENCES:
patent: 3987271 (1976-10-01), Bell, Jr. et al.
Hobart Instruction Sheet TM-667, 10/78.

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