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Thread: Learning Aluminium

  1. #11
    dumpsterlandingfromorbit! gimpyrobb's Avatar
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    Well, the I beam is close to 1/4 inch at the ends and thicker near the web. The Cobramatic with the thinner wire didn't lay as nice of a bead imho. Still tinkering and learning, thanks for the input!
    Don't worry about the size difference

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    Colonel pjwest03's Avatar
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    For any gas shielded welding process outdoors, you should rig up a windbreak of some sort around the work area. Even slight breezes can and will blow the gas away.
    The two most common elements in the universe are hydrogen and stupidity.

    -- Harlan Ellison

    Now, if we could only harness the power stupidity...


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    dumpsterlandingfromorbit! gimpyrobb's Avatar
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    I understand and have had to do that in the past(on steel projects). This was just a down and dirty test to see if the wire feeders would even work.
    Don't worry about the size difference

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    LLM/Member 785 Recovry4x4's Avatar
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    AAluminium was an easy process for me to master. Drag parts to Devilman96, tell him where to stick parts, load same into truck. With that said, now that I am retired I'm going to take a class on class at the local tech school. Never did learn. Did buy a new Millermatic 211 before selling my job.
    1986 M1008
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    4 Star General richingalveston's Avatar
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    good info here, I have a 110 Lincoln wire feed, I put a Teflon liner in and have become an ok aluminum welder. Mine can only use the .030 wire since it has the liner. One of these days I will get one with a spool gun. My biggest problem was getting the wire speed set to keep a good bead. Always tried to go to fast.

    couple of questions. I have welded a lot of scrap stuff so I do not know the grade of the metal, any clues on how to test it?

    gas is another question. I was sold the rig by a guy who gave me an argon bottle because that is what he was using, the welding shop steered me to a mix gas. It seamed to work better, Is that because I was using low grade aluminum?

    I am an beginner with aluminum and only a hobbyist and farm welder for steel I also have a Lincoln ranger 6 gas powered weleder. I got my first welding sun burn when I was 12. Wearing shorts while sitting on a stool welding stuff between your legs is a bad idea.

    subscribing just to learn more for those in the know.

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    Rich
    Rich
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    dumpsterlandingfromorbit! gimpyrobb's Avatar
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    You should use 100% argon unless the Al is real thick, then you can add helium to it to help heat transfer.

    Edit, sorry for the delay, I had a knock at the door. Do you know the specs on your welder? Amp output and duty cycle? Miller has a handy phone app for weld settings, might help a bit.
    Last edited by gimpyrobb; 09-07-2016 at 16:36.
    Don't worry about the size difference

  10. #17
    4 Star General 74M35A2's Avatar
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    For a first time, good job. I like the 3 on right of the vertical 2nd pic. You are not welding a nuclear reactor chamber.
    CFO @ Portacharger

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    Colonel
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    I have never tried MIG welding aluminum. I TIG weld it often. Slower, but great control. ANY breeze will blow the gas away and cause issues. Always set up a windbreak. And as with ANY welding process, the only way to get good is to practice.
    1962 DON DJ3A
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  12. #19
    dumpsterlandingfromorbit! gimpyrobb's Avatar
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    Yup, I have 2 tig units to start using too, just haven't gotten to them yet.
    Don't worry about the size difference

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    Modertator swbradley1's Avatar
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    Quote Originally Posted by 74M35A2 View Post
    You are not welding a nuclear reactor chamber.

    Are you sure about that?
    sw

    Yes, that's an image of my skull.

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