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Thread: Wicked spatter with flux core wire

  1. #1
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    Wicked spatter with flux core wire

    I've been experimenting with my "new" setup (XMT 304 with a a Hobart Hefty), and I just put a spool of .035 flux core wire in it and I'm getting terrible spatter and BBs everywhere. Maybe I have some settings wrong or maybe I'm just forgetting how messy flux core is. Haven't used it in quite a while. Usually using solid wire. Any suggestions?
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    Glen

    Hobart Champion 16
    Hobart Handler 135
    Miller XMT 304 CC/CV
    Hobart Hefty CC/CV
    Lotos LTP5000D

    If all else fails, try some super glue

  2. #2
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    Re: Wicked spatter with flux core wire

    Looks like the voltage may be a bit high. Turn down to 17-18 or so. When I run .045 on the Trailblazer with one of the Miller VS feeders, I usually start at 19-21V on the machine end and dial in at the feeder.

    PS... You are wire negative, right? I forget that once in a while myself.

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  4. #3
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    Re: Wicked spatter with flux core wire

    Need to fill in some more details. What flux-core wire, are you running on CV, correct polarity for the wire, etc. Looks a little cold/lumpy to me. More volts generally flattens the bead a little but may need to experiment a bit with settings. Check polarity first.

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  6. #4
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    Re: Wicked spatter with flux core wire

    I bet it's wrong polarity...
    Thanks for the tips. On my champion there is a polarity switch but with the XMT I have to swap the leads so I hadn't thought about it. It is gasless Forney wire, I'm fairly certain I had it on CV, and probably around 20-21 volts.
    Glen

    Hobart Champion 16
    Hobart Handler 135
    Miller XMT 304 CC/CV
    Hobart Hefty CC/CV
    Lotos LTP5000D

    If all else fails, try some super glue

  7. #5
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    Re: Wicked spatter with flux core wire

    and don't forget a longer stickout compared to solid wire MIG
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  9. #6
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    Re: Wicked spatter with flux core wire

    I seems like I get more spatter with the Forney wire, I prefer NR-211, but can't get it locally.
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  10. #7
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    Re: Wicked spatter with flux core wire

    Never really been of big fan of using self shielded wire. I much prefer gas shielded flux core wire when it's possible. I even prefer to use stick over self shielded wires.
    Jason
    Lincoln Idealarc 250 stick/tig
    Thermal Dynamics Cutmaster 52
    Miller Bobcat 250
    Torchmate CNC table
    Thermal Arc Hefty 2
    Ironworkers Local 720

  11. #8
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    Re: Wicked spatter with flux core wire

    Quote Originally Posted by snoeproe View Post
    Never really been of big fan of using self shielded wire. I much prefer gas shielded flux core wire when it's possible. I even prefer to use stick over self shielded wires.
    Agreed, unfortunately I don't have a tank or regulator for this at the moment...
    Glen

    Hobart Champion 16
    Hobart Handler 135
    Miller XMT 304 CC/CV
    Hobart Hefty CC/CV
    Lotos LTP5000D

    If all else fails, try some super glue

  12. #9
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    Re: Wicked spatter with flux core wire

    Iíve had a spool of Hobart 21b wire in my suitecase feeder for a while.
    Jason
    Lincoln Idealarc 250 stick/tig
    Thermal Dynamics Cutmaster 52
    Miller Bobcat 250
    Torchmate CNC table
    Thermal Arc Hefty 2
    Ironworkers Local 720

  13. #10
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    Re: Wicked spatter with flux core wire

    I agree with Oscar
    I think it is most common problem I see.
    It so bad my shop purchased long Nozzle for all welders.

    Dave

    Quote Originally Posted by Oscar View Post
    and don't forget a longer stickout compared to solid wire MIG

  14. #11
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    Re: Wicked spatter with flux core wire

    Wicked Pissah !
    Miller 211
    Hypertherm PM 45
    1961 Lincoln Idealarc 250
    HTP 221


    True Wisdom only comes from Pain.

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