Welder control system

Details Welder control system Welder control system

1988-11-04

1990-01-16

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219109, B23K 1124

Patent

active

048945080

ABSTRACT:
A control system for parallel gap welders typically employed to weld contacts to solar cells or wires to integrated circuit chips is disclosed. The system monitors the temperature generated by the welder at the work pieces. The system automatically terminates the weld operation should the weld temperature reach a maximum predetermined temperature, thereby preventing overheating the weld joint and adjacent parts. Alternatively, if the weld temperature does not reach a minimum predetermined temperature the system automatically signals the weld operator that the joint must be rewelded to avoid an incomplete or cold weld. A quality weld can therefore be repeated.

REFERENCES:
patent: 2942097 (1960-06-01), Baas
patent: 3191441 (1965-06-01), Erickson
patent: 3406272 (1968-10-01), Ehrlich
patent: 3440389 (1969-04-01), Meyer
patent: 3778581 (1973-12-01), Denny

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