Welding method and apparatus

Details Welding method and apparatus Welding method and apparatus

G - Physics

05

F

G05F 1/08 (2006.01) B23K 9/095 (2006.01) G01N 21/67 (2006.01)

Patent

CA 2045140

2045140 9008006 PCTABS00001 A carrier signal is superimposed on the arc current during an arc welding operation, and radiation, either acoustic or light, emitted by the arc detected and analysed, with the results being used to control weld penetration.

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