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Old 07-28-2020, 03:52 PM   #13
Pete
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Join Date: May 2010
Location: Wa.
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Default Re: Use of a MIG welder for other purposes?

I wouldn't try it with a MIG welder. They are a constant voltage type power supply.
It can and does work fine with a regular stick welder. They are a constant current type power supply. All you need is a way to positively connect to the rivet. The connection needs to be able to pass the required current WITHOUT arcing.
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