Arc welding method and apparatus with power cable fatigue monito

Details Arc welding method and apparatus with power cable fatigue monito Arc welding method and apparatus with power cable fatigue monito

1996-07-24

1999-06-15

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913001, 219137PS, B23K 9095

Patent

active

059118938

ABSTRACT:
A welding apparatus includes a welding torch and a workpiece support. The welding apparatus also includes a circuit for creating a first voltage drop between the welding torch and the workpiece support so as to generate heat which melts a quantity of weld wire, the creating circuit having a power supply. The apparatus system further includes a power cable which is electrically interposed between the power supply and the welding torch. Additionally, the welding apparatus includes a circuit for measuring a second voltage drop across the power cable at the same time the first voltage drop is being created by the creating circuit. A method of operating a welding system is also disclosed.

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patent: 4301355 (1981-11-01), Kimbrough et al.
patent: 4647751 (1987-03-01), Yoshimura et al.
patent: 4739149 (1988-04-01), Nishiwake et al.
patent: 4973813 (1990-11-01), Mitchell
patent: 5262609 (1993-11-01), Nowak et al.
patent: 5637241 (1997-06-01), Moates

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