Monitoring circuits for electrical welding apparatus

Details Monitoring circuits for electrical welding apparatus Monitoring circuits for electrical welding apparatus

1981-08-26

1984-05-15

Reynolds, B. A.

Electric heating

Metal heating

For bonding with pressure

219 64, B23K 1124

Patent

active

044490283

ABSTRACT:
A monitoring circuit for an a.c. resistance welding apparatus for can bodies is arranged to produce an output signal which is representative of the integral with respect to time of the resistive or in-phase component of the welding voltage taken over the half-cycles of welding current. The output signal is representative of the energy expended during welding, and may be used for indication or control.

REFERENCES:
patent: 3389239 (1968-06-01), Treppa et al.
patent: 4242561 (1980-12-01), Long

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