Resistance welding control system

Details Resistance welding control system Resistance welding control system

1981-03-19

1983-06-14

Shaw, C. C.

Electric heating

Metal heating

For bonding with pressure

219109, B23K 1124

Patent

active

043885152

ABSTRACT:
A control system for use with a welding machine controller is provided which senses the dynamic resistance of the weld being formed by the welding machine, and which generates appropriate signals indicating the condition of the weld, which signals may be used for automatically controlling the operation of the controller. The control system of the invention senses the power factor in the primary circuit of the welding transformer included in the welding machine which is a measure of the dynamic resistance of the weld being formed, and the control system produces signals indicating the dynamic resistance of the weld, which signals may be digitized to produce appropriate control signals for the controller.

REFERENCES:
patent: 4011503 (1977-03-01), Ferrara
patent: 4104724 (1978-08-01), Dix et al.
patent: 4254466 (1981-03-01), Jurek

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