Method and system for automatically terminating a MIG welding op

Details Method and system for automatically terminating a MIG welding op Method and system for automatically terminating a MIG welding op

1982-02-12

1984-04-17

Shaw, C. C.

Electric heating

Metal heating

By arc

21913031, B23K 910

Patent

active

044436874

ABSTRACT:
A method and control circuit for terminating a consumable electrode electric arc welding operation which comprises monitoring the welding parameters of the wire drive motor speed and the arc working voltage, comparing the monitored levels with a multiple number of present combinations of both arc working voltage and motor speed with at least one preset combination defining a high arc working voltage representing a long arc condition and with the last preset combination including a motor speed of relatively close to zero; evaluating each preset combination in tandum to determine if the conditions of a preset combination are satisfied and interrupting the power supplied to the arc in response to the satisfied combination of preset conditions.

REFERENCES:
patent: 2897343 (1959-07-01), Regnauld et al.
patent: 3501614 (1970-03-01), Allen
patent: 3564196 (1971-02-01), Needham et al.

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