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Re: Welding DC+ vs DC- vs AC ... please explain !
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Posted by Ryan - WI on August 24, 2006 at 19:28:32 from (66.114.188.110):
In Reply to: Welding DC+ vs DC- vs AC ... please explain ! posted by Alberta Mike on August 24, 2006 at 15:16:07:
Mike, the way that I explain it to my high school welding students is this. DC- Deep penetration, short surface DC+ Shallow penetration, tall surface AC is in the middle. DC is used when you want the weld to go deep into a material (like thick plate) or float on the surface (like sheet metal)
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