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How do you start your MIG welds?

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  • How do you start your MIG welds?

    I'm getting mixed answers on this and it seems to cause some debate.....

    How do you start your MIG welds? If you have time please explain why one might be right or wrong.

    A. I start with the wire touching the metal.
    B. I start with the wire away from the metal and it only touches after I pull the trigger.
    C. It does not matter.

    What do you all think?
    "He who is without oil shall throw the first rod."
    Compressions 9.7:1

  • #2
    In my opinion the correct answer is I start my welds with a cut clean end to the wire because whether or not the wire is in contact or away and makes contact, it will initiate the arc more readily then a balled burnt end with poor electrical conductivity due to oxidation and irregular shape. I'm going to say that with authority.

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    • #3
      Clean cut end and wire off the metal.....

      Dale
      "Fear The Government That Wants To Take Your Guns" - Thomas Jefferson..

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      • #4
        I try to do as oldguy and dale do but not always

        Ed Conley
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        • #5
          I pondered this a bit and think with admittance, an advantage to striking from above rather then the slight disadvavtage resting upon would be the fraction of a second without the possibility of shielding gas coverage. That said, if a person was to have a short cut wire, burped it to length then touched down and squeezed the trigger...?

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          • #6
            Originally posted by oldguyfrom56 View Post
            I pondered this a bit and think with admittance, an advantage to striking from above rather then the slight disadvavtage resting upon would be the fraction of a second without the possibility of shielding gas coverage. That said, if a person was to have a short cut wire, burped it to length then touched down and squeezed the trigger...?
            I heard that in discussion OG.... Then someone mentioned flux core. In most videos you cant really see if its touching or not when they start. I did notice something I never saw before on my 210. When I touch the metal with the wire (trigger not depressed) I see a very tiny spark every time.

            By the way, the problem you mention about being without gas for a fraction of a second is all I have really heard that could be bad and everyone says that would be a non issue. It takes flux core that long at least to heat up.
            Last edited by Nipper; 09-12-2019, 06:35 PM.
            "He who is without oil shall throw the first rod."
            Compressions 9.7:1

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            • #7
              I rarely do anything "always" .. I trim the nub as often as I can remember and start the bead with the wire about 1/8th, + or -, away whenever I take time to think about it. We're talking solid wire here.

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              • #8
                I run the wire into the metal to be welded and not touching it to start the weld.
                A few of my toys !!!

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                • #9
                  When you think about a gas being lighter then air, or heavier then air...The next question might be do you hang the gun to drain or loop to create a trap?

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