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  1. #1
    Join Date
    Jan 2006
    Location
    Lodi, CA
    Posts
    39

    Default Vertical Up with MIG

    I have been practicing vert. up at work for a test I have and none of the welds are turning out as nice as I would like. I am getting a large mound of weld right in the middle. I have tried going faster, wire speed slower/faster etc... but it still is there. I am using CO2, .045 solid wire, and ~23 volts and ~175ipm wire speed. Any ideas or hints?

  2. #2
    Join Date
    Nov 2006
    Location
    Langley BC Canada
    Posts
    4,634

    Default

    search dandimands posts, there were similar problems there, and I described a T pattern for large openings when running wire vert up

  3. #3
    Join Date
    Aug 2004
    Location
    Milan Michigan
    Posts
    1,684

    Default

    When doing verticle mig up hand, turn your machine down lower than what you would if you were doing a flat.
    Then what you want to do is pause on the sides and run through the middle.
    Doing this will help eliminate the high mound in the center and let you fuse in on your toes. Good luck Portable welder.

  4. #4
    Join Date
    Oct 2005
    Location
    vancouver bc
    Posts
    518

    Default

    if your allowed use 75/25 gas and turn your heat down a bit maybe around 20 to 21 volts . the other guy hit it on the button with how to run it do not whip up at the edges though and as you progress in your passes you may have to adjust your wire speed as when your in the root it will be a little slower than when your doing your cap . or turn the voltage down a bit for your cap. I did dual shield with co2 but its a different animal than hard wire.when your gettin close to your cap try to leave an edge so you can have something to go by when your running up.
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  5. #5
    Join Date
    Jan 2006
    Location
    Lodi, CA
    Posts
    39

    Default

    I have to use CO2, and it has to be 23 volts. It's 3/8 plate, after more practice this afternoon I have it alright.

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