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MM210 vs MM251

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发表于 2021-8-31 22:05:41 | 显示全部楼层 |阅读模式
Ok I know this has been gone over time and time again but here we go. within the next month I'm gonna pull the triger and get a new Mig. Kinda decided on the MM210 but I do on occasion ( a couple times a year) build a 24"box out of 1/2" mild steel. My question to the experienced folks is. Will the MM210 be able to do weld a 24" outside corner of 1/2" steel plate in a single pass? I know it's only rated for 3/8" but I thought it might be able to pull this off on an outside corner. I only would be doing it a couple times a year anyway and since I'm just a hobytype the extra money can be put to use on other tools.BTW heard a few rumors about a MM235 coming out. Anyone else seen anything about that?David Hoffman
Reply:That's a new rumor on me, but I would get the MM210 in your position.  On an outside corner, you should be able to lay a real nice bead inside.  Even if you couldn't fill it all the way, a second pass would seal the deal for as often as you expect to have to fabricate it.Many prefer the tapped short circuit arc of the MM210 for fabrication.
Reply:At the risk of showing my ignorance; Why do "Many prefer the tapped short circuit arc of the MM210 for fabrication"? I have seen some of the threads on this board that imply that they like the way the MM210 welds over the MM251. Why is this? I think I saw a thread from Dan that implied that.Any education you can provide would be appreciated.MM175Lincoln AC225 Tombstone
Reply:I'm sure Dan will chime in later, as he really knows his stuff about how these machines work.The tapped machine has been described as a softer arc with a wetter bead.  Might have something to do with the inductance difference between the tapped machine and the solid-state variable voltage machine.
Reply:Thanks Mac. I hope Dan does chime in.MM175Lincoln AC225 Tombstone
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