Method and system for automatically terminating a mig...

Details Method and system for automatically terminating a mig... Method and system for automatically terminating a mig...

B - Operations, Transporting

23

K

327/67

B23K 9/10 (2006.01)

Patent

CA 1198174

- 12 - METHOD AND SYSTEM FOR AUTOMATICALLY TERMINATING A MIG WELDING OPERATION ABSTRACT OF THE DISCLOSURE 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 representinga 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.

419940

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