I'm welding some .060" aluminum sheet and this machine seems to be having issues. It starts out fine and then outta nowhere it cuts out for a split second, then comes back. When it does this it seems like the gas flow stops because the tungsten and material is instantly contaminated. I've tried to reproduce the issue trying to narrow it down but it isn't a continuous thing.
I've acetone'd the material, brushed it, then acetone'd it again. I'm using a stubby gas lens with a #7 cup, straight argon at about 15cfh.
When I first got the machine I've got another call in to tech support, but figured I'd post a pic of the aftermath. You can see that it runs fine but as soon as 'it' happens I have to file it out and start over.
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