Automatic welding position control method, and device

Details Automatic welding position control method, and device Automatic welding position control method, and device

1980-04-08

1982-02-16

Shaw, C. C.

Electric heating

Metal heating

By arc

21912512, B23K 912

Patent

active

043160751

ABSTRACT:
A welding method in which a pair of base metals are welded together by swinging the welding torch right and left, and a device for practicing the method. In the method, the arc current is continuously detected, and sampling pulses are formed in time slots provided by the swinging motion of the torch. The arc welding currents are sampled and held with the aid of the sampling pulses, whereby the peak values of arc currents flowing when the torch is swung right and left are detected, and the position of the torch is correctively shifted right or left according to the difference between these peak values.

REFERENCES:
patent: 4151395 (1979-04-01), Kushner et al.
patent: 4192986 (1980-03-01), Udagawa et al.

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