Method for correcting the direction of weaving of a welding torc

Details Method for correcting the direction of weaving of a welding torc Method for correcting the direction of weaving of a welding torc

1997-10-29

1999-12-14

Ryan, Patrick

Metal fusion bonding

Process

With measuring, testing, indicating, inspecting, or...

21912512, B23K 912, B23K 3112

Patent

active

06000598&

ABSTRACT:
A method for correcting the welding path of a welding torch which weaves from side to side while proceeding along the welding path is disclosed. The method comprises the steps of: determining the center of weaving of the welding torch with respect to a welding center line, by monitoring the arc current which varies according to the change of distance between the welding end of the welding torch and a welding surface; and correcting the center of weaving of the welding torch to a correction position on the welding center line, when the center of weaving of the welding torch is misaligned with the welding center line by a predetermined distance, in which the direction of weaving of the welding torch is corrected to be perpendicular to an imaginary line connecting the most recent two correction positions among the correction positions of the center of weaving.

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patent: 5582750 (1996-12-01), Hamura et al.
patent: 5780808 (1998-07-01), Moon

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