Method for measuring the free wire length in MIG/MAG welding

Details Method for measuring the free wire length in MIG/MAG welding Method for measuring the free wire length in MIG/MAG welding

1983-12-01

1985-08-06

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219137PS, B23K 912

Patent

active

045338175

ABSTRACT:
The present invention relates to a method for measuring the free wire length in hot-arc or short-arc MIG/MAG welding by making use of the typical behavior of the current or the voltage in the bead short-circuit situation, in which the voltage rises in different ways depending on the free wire length. The phenomenon can be used for measuring the free wire length.

REFERENCES:
patent: 3627975 (1971-12-01), Goto
patent: 3731049 (1973-05-01), Kiyohara et al.
patent: 4000374 (1976-12-01), De Keyser

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