the condition reported is not necessarily a defect but a visual discontinuity at minimum. my experience with this has been material cleanliness and gas flow in relation to electrode stick out. With any wire feed process the longer the stickout the increase in voltage will occur with a drop in current amplified by an interupted or improper gas flow around the arc. Improper gun angle will also attribute to these conditions [ more noticeable when welding on ceramic backing where you will get pipe porosity ].
May 19, 2010 Rating
more stick out. by: Anonymous
I have found that a little more stick out helps. It should increase amps and help burn it out.
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