Bevel profiling control method for arc welding

Details Bevel profiling control method for arc welding Bevel profiling control method for arc welding

1988-01-25

1989-07-25

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21912512, B23K 912

Patent

active

048516384

ABSTRACT:
There is disclosed a method for arc welding wherein an electrode wire is rotated to produce an arc rotating at an elevated speed and wherein the arc produced in this manner is used as an arc sensor for making a bevel profiling. According to the invention, the rotational speed of the arc N is set so as to be larger than a constant speed as determined by the time constant of the change of the wire melting speed so that the difference between the welding current when the electrode wire is at the center of the bevel and that when the electrode wire is at the extreme lateral position is increased to improve the bevel profing performance.

REFERENCES:
patent: 4419563 (1983-12-01), Nomura et al.
patent: 4704513 (1987-11-01), Sugitani et al.

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