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  • EconoTig

    hello back in the mid 90's purchased and EconoTig used it a few times could get it to weld aluminum maybe it was to thick, so I sold it for $200.00 more than I paid for it. Yesterday the ex-wife of the guy I sold it to gave it back to me FREE, in the same condition that I sold it to this guy, still looks new and on a cart and a full bottle of argon. Question what is the thickest aluminum that can be welded with the EconoTig

  • #2
    Originally posted by bigal View Post
    hello back in the mid 90's purchased and EconoTig used it a few times could get it to weld aluminum maybe it was to thick, so I sold it for $200.00 more than I paid for it. Yesterday the ex-wife of the guy I sold it to gave it back to me FREE, in the same condition that I sold it to this guy, still looks new and on a cart and a full bottle of argon. Question what is the thickest aluminum that can be welded with the EconoTig
    The EconoTig was a 150amp machine... so your top is about a little less than 3/16 thickness..
    maybe little more with some preheat

    https://www.millerwelds.com/files/ow...s/O303_MIL.pdf

    Last edited by H80N; 12-19-2015, 01:22 PM.
    .

    *******************************************
    The more you know, The better you know, How little you know

    “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

    Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

    My Blue Stuff:
    Dynasty 350DX Tigrunner
    Dynasty 200DX
    Millermatic 350P w/25ft Alumapro & 30A
    Millermatic 200

    TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

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    • #3
      ok thanks, the aluminum tubing I was trying to weld with it years ago was thicke,r the whole 4ft long peace just got hot

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      • #4
        Originally posted by bigal View Post
        ok thanks, the aluminum tubing I was trying to weld with it years ago was thicke,r the whole 4ft long peace just got hot
        The mass of an aluminum piece affect it too... Aluminum is an excellent conductor of heat...
        the more mass.. the quicker it will suck the heat...
        so you would have to compensate with more amperage or preheat...
        .

        *******************************************
        The more you know, The better you know, How little you know

        “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

        Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

        My Blue Stuff:
        Dynasty 350DX Tigrunner
        Dynasty 200DX
        Millermatic 350P w/25ft Alumapro & 30A
        Millermatic 200

        TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

        Comment


        • #5
          Pump some helium in there. Then you'll have a real beast
          HTP Invertig221 D.V. Water-cooled
          HTP Pro Pulse 300 MIG
          HTP Pro Pulse 200 MIG x2
          HTP Pro Pulse 220 MTS
          HTP Inverarc 200 TLP water cooled
          HTP Microcut 875SC

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          • #6
            Originally posted by OscarJr View Post
            Pump some helium in there. Then you'll have a real beast
            A helium mix will indeed give you bit more heat for a given amperage...

            The tradeoff is that the mixes are more expensive to purchase and that you will have to run a higher flow rate...using up the bottle quicker

            But it can get you over the hump if you are using a machine that is just a bit undersized for an aluminum job

            Here are Jody's thoughts on the subject

            http://www.weldingtipsandtricks.com/...ding-info.html
            Last edited by H80N; 12-20-2015, 10:33 AM.
            .

            *******************************************
            The more you know, The better you know, How little you know

            “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

            Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

            My Blue Stuff:
            Dynasty 350DX Tigrunner
            Dynasty 200DX
            Millermatic 350P w/25ft Alumapro & 30A
            Millermatic 200

            TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

            Comment


            • #7
              I used to have one of those if I recall correctly I was thinking the tug output on ac was like 165 and dc was 160a I could be wrong tho sometimes I would preheat some mine seemed to weld 1/4 pretty well was it on a homeade cart

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              • #8
                I run argon on most all aluminum welds, but I have a cylinder of helium y-ed into my welding gas line to my machine as well. What I do when I need a little extra is turn my argon off, then turn both gases on and just float both balls in the flow meters. Works for me when I need a little more power.

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