Method of welding corrugated metallic materials

Details Method of welding corrugated metallic materials Method of welding corrugated metallic materials

1979-09-12

1981-10-20

Shaw, C. C.

Electric heating

Metal heating

By arc

21912432, 21912433, 219137R, B23K 912

Patent

active

042963060

ABSTRACT:
In an automatic arc welding method for welding metallic materials having a vertically curved weld line, a change in the arc voltage is compared with a arc length setting voltage and the resulting difference signal is used to control the vertical position of a welding torch and hold the same at a predetermined distance from the materials to be welded, while on the other hand in response to a signal generated from an obliquity detector made integral with the torch, the torch is controlled at an angle corresponding to the oblique angle of the materials to be welded and at the same time the welding speed is controlled at a constant value in response to a signal corresponding to the torch angle.

REFERENCES:
patent: 2927195 (1960-03-01), Arnaud
patent: 3373914 (1968-03-01), Wall, Jr.
patent: 3443732 (1969-05-01), Wall, Jr. et al.
patent: 4008384 (1977-02-01), Cecil

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