Control method for arc welding apparatus and arc welding...

Details Control method for arc welding apparatus and arc welding... Control method for arc welding apparatus and arc welding...

2011-04-19

2011-04-19

Paschall, Mark H (Department: 3742)

Electric heating

Metal heating

By arc

C219S130320, C219S130330, C219S136000

Reexamination Certificate

active

07928340

ABSTRACT:
A control method for an arc welding apparatus having a function of prohibiting detection of neck based on a change amount of welding voltage and an arc welding apparatus using the method. Thus, since neck determination can be carried out accurately by preventing wrong detection of neck, it is possible to reduce the occurrence of spatter.

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Supplemental European Search Report dated Apr. 7, 2009 in corresponding European Application No. EP 05 81 4756.
European Search Report issued Jun. 9, 2009 in a European application that is a counterpart to the present application.

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