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  1. #1
    BajaWelder Guest

    Default stack of dimes (mig welds)

    Looking to get better, obviously practice makes perfect but I cannot get that [i]stack of dimes"[i] look on tubing or flat stock.
    Mostly practicing on flat stock 10ga or .120 wall tubing (fishmouthed) to fit another piece of tuning(like a roll cage)

    Using the Miller 175 with 75/25%.

    what am Im I doing wrong?

    Too me, its actually easier to get better looking welds TIG vs MIG.
    TIG




    thanks!
    Last edited by BajaWelder; 02-14-2007 at 07:06 PM.

  2. #2
    Join Date
    Jan 2007
    Posts
    1,311

    Default

    what am Im I doing wrong.

    Worrying about it.

  3. #3

    Default

    Not sure what you mean by the fish mouth look. Maybe you could post a pic. As to the stack of dimes look. sometime that is the affect of a pulse weld. also it is the affects of a small side to side motion while welding. If your heat and wire speed are set right, move your bead side to side just a little and should see the look you are looking for and get a good weld.
    Little Fabrication

    Miller DVI2
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    Thermodynamics cutmaster 38
    HF 130 tig

    Third Class Power Engineer

  4. #4
    Join Date
    Jan 2006
    Location
    Eugene, Oregon
    Posts
    2,428

    Default

    Quote Originally Posted by Scott V View Post
    what am Im I doing wrong.

    Worrying about it.
    lol. hehehe
    Dynasty 350DX
    Dynasty 200DX TigRunner
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    08' Trailblazer 302

  5. #5
    Join Date
    Dec 2006
    Location
    collinsville, ok
    Posts
    86

    Default

    if you mean fish mouth by that they are pointed, then your travel speed is too fast.

  6. #6
    Join Date
    Jan 2006
    Location
    Albuquerque, NM
    Posts
    1,788

    Default

    Somehow I don't think he is refering to the weld bead being "fishmouthed" but the tubing end being "fishmouthed". If you are using a MM175 don't expect to be able to make the weld look like the Tig beads, it might be possible, but it certinly won't be easy.
    Regards, George

    Hobart Handler 210 w/DP3035 - Great 240V small Mig
    Hobart Handler 140 - Great 120V Mig
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    Miller Dynasty 200DX with cooler of my design, works for me
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  7. #7
    Join Date
    Feb 2007
    Location
    now in Orlando!!!!
    Posts
    559

    Default

    The picture posted looks alot like Aluminum also. Sometimes the 'Stack of Dimes' look is a good selling point to an uneducated eye, meaning if it looks good it is good, but those dimes can be stress risers leading to a shorter life. A good smooth bead with MIG is probably stronger, just not as ***y. Hope this helps, Paul

  8. #8
    Join Date
    Nov 2006
    Location
    British Columbia
    Posts
    24

    Wink

    That stack of dimes look your after is created by pulsed arc mig and is created by whipping simular to burning E6010 electrode takes some practice but not much. On the other hand though those welds look pretty good to me. Don't worry about it.

  9. #9
    Join Date
    Mar 2007
    Location
    Oahu, Hawaii
    Posts
    2,469

    Default

    How the heck do you do that in the first place without a pulse MIG? Are you pulsing it with the trigger?
    please answer by e-mail, I may not be able to find this thread again.thanks
    Hawaiianmetalworks@hotmail.com
    New to welding
    bert
    I'm not late...
    I'm just on Hawaiian Time

  10. #10
    Join Date
    Mar 2006
    Location
    Ocean City, Maryland
    Posts
    951

    Default

    They look pretty good to me, as someone else said, smooth is really OK. It does look like aluminum in the picture
    Scott
    HMW [Heavy Metal welding]

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