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Question for you welders...

Discussion in 'Builds and Fabricators Forum' started by Chris Insull, May 4, 2006.

  1. May 4, 2006
    Chris Insull

    Chris Insull All roads lead me back to the beach... 2023 Sponsor 2022 Sponsor

    Chesapeake, VA.
    Joined:
    Sep 22, 2002
    Messages:
    805
    ...do I need to replace the liner for my MIG gun if I go to a smaller diameter wire? I'm getting ready to go to a .023 wire (with gas) from a flux core .030 wire and think I can do it by just changing the tip... Any help? TIA:beer:
     
    Chris Insull, May 4, 2006
    #1
  2. May 4, 2006
    neptco19

    neptco19 That guy....

    Athens, GA
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    Sep 26, 2003
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    1,381
    Yup just change the tip, and you should be fine.
     
    neptco19, May 4, 2006
    #2
  3. May 4, 2006
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
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    Mar 4, 2003
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    Mine is the tip and the wheel setup in side the welder to feed the wire... Millermatic 175.
     
    Warloch, May 4, 2006
    #3
  4. May 4, 2006
    Chris Insull

    Chris Insull All roads lead me back to the beach... 2023 Sponsor 2022 Sponsor

    Chesapeake, VA.
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    Sep 22, 2002
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    Thanks, guys!!! Just what I "thunked".
     
    Chris Insull, May 4, 2006
    #4
  5. May 4, 2006
    Boyink

    Boyink Super Moderator Staff Member

    Tulsa, OK
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    Sep 20, 2002
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    I don't remember the diameters, but when I bought the gas conversion kit for my lincoln weld-pak it had a new liner.

    There were also a couple of changes internally - the wheel that was mentioned, but also...thinking...something electrical - solonoid for the gas feed maybe? And a polarity change?

    Took me an hour and a half or so to do the conversion..definitely more involved than a new tip.
     
    Boyink, May 4, 2006
    #5
  6. May 4, 2006
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    Sep 22, 2002
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    Need to adjust the tension on the feed wheel, too...
     
    Patrick, May 4, 2006
    #6
  7. May 5, 2006
    Chris Insull

    Chris Insull All roads lead me back to the beach... 2023 Sponsor 2022 Sponsor

    Chesapeake, VA.
    Joined:
    Sep 22, 2002
    Messages:
    805
    The DVI I bought came with the spare grooved wheels for various sizes of wire, along with solenoid and gauges for running mixed shielding gas. Yes, the polarity does need to be changed when running flux-core, but that is very simple. I've practiced enough and have made quite a few little projects (rib racks, BBQ grill cooking surfaces, charcoal racks for a smoker, a skateboard grinding rail, ladder rack...) but for the thinner sheetmetal used on the BT3-C, I figured that .023 wire and gas would make for cleaner welds. We'll see...
     
    Chris Insull, May 5, 2006
    #7
  8. May 5, 2006
    Southtowns27

    Southtowns27 Custom Title

    The Backhills of...
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    Feb 4, 2003
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    You'll be amazed at the difference you'll see by switching to the .023 and gas...you'll never go back to flux core again.
    Just switch the tip, the polarity, and the drive wheel and you should be good to go.
     
    Southtowns27, May 5, 2006
    #8
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