Quote:
Originally Posted by bocephus1991
Make sure you read all the instructions. I used a buddies flux core welder a few years ago. Wouldn't weld worth a damn! I looked up the manual online and found when using flux fire the polarity of the welder was supposed to be reversed from how my buddy was using it! After I switched it, all was ok.
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That is correct. Flux core wire does use opposite polarity from solid wire. Polarity DOES affect a weld.
Incidentally, the only way to learn to weld is to be taught by someone who knows how, and to actually do it. This is one of those things where practice does make you much better..... if you understand how to do it.