Method and apparatus for welding line tracer control

Details Method and apparatus for welding line tracer control Method and apparatus for welding line tracer control

1983-12-23

1985-12-03

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21912512, B23K 912

Patent

active

045567778

ABSTRACT:
In welding effected by weaving an electrode, welding current or voltage is applied to a frequency analyzer, for deriving a frequency component having the same period as a weaving period and a doubled frequency component having a period which is half the weaving frequency. The center of weaving motion is corrected in relation to the two frequency components to thereby effect tracer control for the electrode.

REFERENCES:
patent: 3975616 (1976-08-01), Siktberg et al.
patent: 4158124 (1979-06-01), Connell
patent: 4417126 (1983-11-01), Kasahara et al.
patent: 4441011 (1984-04-01), Nomura et al.

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