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Running Surplus 3-Phase Welders on Single-Phase Power

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Old 11-09-2011, 09:03:42 PM
dkamp dkamp is offline
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Post Running Surplus 3-Phase Welders on Single-Phase Power

Hey Everybody-

If you're interested in getting a good welder, but you're on a low budget, used industrial-type 3-phase welders can be found for incredibly cheap prices.

Many people say that three-phase machines cannot be made to perform properly on single-phase power, but Peter Haas and I have found a technique that proves otherwise. I've been working with Millers, but I believe others will work just fine using similar technique.

I've documented the technique and method (no withheld secrets anywhere) and posted them freely, so check it out, and give them a try. If you run into difficulty, or would like to discuss it further, shoot me an Email, and I'll reply, or give you a call.

So far, I've done:

Miller CP-200 (MIG)
Miller SRH-333 (stick/tig supply)
Miller CP-250TS (spray-transfer only- still messing with it to make it happy on short-arc)

Next up:
Miller CP-300
22 Airco 300 MIG supplies (yep... twenty two of 'em)
a Lincoln somethingorother with digital controls

Here's where I've posted the first three:
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