I was wondering if anyone could help me with why my arc may be floating. While I'm welding my arc starts to jump becoming very unstable. I stop and clean my tip thinking it may have gotten spatter on it but when I start up again it continuse to be unstable. I have had to change my tips a lot and it solves the problem but only for a short time. What should I be doing as I can not be changing tips like this. What am I missing??? Please help.
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