Outside welding

Details Outside welding Outside welding

B - Operations, Transporting

23

K

327/62

B23K 9/02 (2006.01) B23K 9/127 (2006.01)

Patent

CA 1205528

Abstract: The present invention relates to an automatic arc welding machine where a weld torch follows lateral traverses across a groove during travel along the length of the groove. A unit is provided to produce a control signal which is representative of the difference between the arc current near the end of each traverse and the base arc current at the center of the traverse. A unit is also provided which arrests travel of the torch on each traverse each time the integral of the difference reaches a reference value.

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