Resistance welding control system

Details Resistance welding control system Resistance welding control system

1989-07-05

1990-10-16

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219114, B23K 1124

Patent

active

049637070

ABSTRACT:
A resistance welding control system is disclosed which comprises a resistance detection unit for detecting an interelectrode resistance by measuring welding current and voltage applied between electrodes; a compensation section for comparing a resistance value as detected with a predetermined model resistance value and determining an amount of compensation of the welding current in accordance with the difference therebetween; and a current control section for controlling the welding current on the basis of the amount of compensation of the compensation section.

REFERENCES:
patent: 4302653 (1981-11-01), Denning et al.
patent: 4634828 (1987-01-01), Okabe et al.
patent: 4675494 (1987-06-01), Dilay
patent: 4700042 (1987-10-01), Ferrero et al.

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