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  • millermatic 252 settings cards

    To the 252 owners;

    Do you find the settings charts on the front of the machine to be generally on the cold side?

    Running
    ER70S-6 wire 0.035
    CO2
    1/2 second pre-flow
    2 second post flow

    Should I be using the thickness gauge tool instead?

  • #2
    The charts are just suggested starting points- adjust as needed.
    Ed Conley
    http://www.screamingbroccoli.net/
    MM252
    MM211
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    • #3
      Straight CO2 will have different settings than 75/25

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      • #4
        Yes, straight C02 runs hotter than the settings shown on the cards. I welded some 1/2" 1018 plates on a bevel joint recently. The settings were shown as 29.5 V (basically wide open) and 5i5 IPM on wire speed. I tried that and had to back down to 26 volts add 450 IPM and that was fine with .035 wire.

        I think the settings would be very close with 75/25 gas.
        Miller Syncrowave 200
        Milermatic 252
        Lincoln AC/DC "Tombstone"

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        • #5
          millermatic 252 settings cards

          Yup I did use the recommended settings for CO2 and noticed I needed to up the voltage.

          Thanks for the feedback

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          • #6
            Originally posted by ericher69 View Post
            Yup I did use the recommended settings for CO2 and noticed I needed to up the voltage.

            Thanks for the feedback
            Sorry, you misunderstood. CO2 runs hotter. Therefore it was necessary to lower the voltage.
            Miller Syncrowave 200
            Milermatic 252
            Lincoln AC/DC "Tombstone"

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            • #7
              Originally posted by ericher69 View Post
              To the 252 owners;

              Do you find the settings charts on the front of the machine to be generally on the cold side?

              Running
              ER70S-6 wire 0.035
              CO2
              1/2 second pre-flow
              2 second post flow

              Should I be using the thickness gauge tool instead?
              The charts are way off
              Miller Dynasty 700
              Miller Dynasty 200
              Miller 350p
              Miler 252
              Hypertherm 1250
              Hobart Handler 187
              Lincoln 210
              Practical cnc

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              • #8
                Originally posted by Synchroman View Post
                Originally posted by ericher69 View Post
                Yup I did use the recommended settings for CO2 and noticed I needed to up the voltage.

                Thanks for the feedback
                Sorry, you misunderstood. CO2 runs hotter. Therefore it was necessary to lower the voltage.
                It may be the case for you but I've found so far the chart is cold even with CO2 therefore I've had to raise voltage

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                • #9
                  What length stick out are you running?

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                  • #10
                    millermatic 252 settings cards

                    I always go up in settings by a gauge if welding 1/4" I use settings for 3/8" and so on running .035 with 75/25

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                    • #11
                      Originally posted by Cgotto6 View Post
                      What length stick out are you running?
                      1/4-1/2"

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                      • #12
                        verify input voltage? May have to adjust output accordingly...

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                        • #13
                          Originally posted by johnnyg340 View Post
                          verify input voltage? May have to adjust output accordingly...
                          So your saying if input is 220V instead of 230V I may need to go up in voltage.

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                          • #14
                            Originally posted by ericher69 View Post
                            So your saying if input is 220V instead of 230V I may need to go up in voltage.
                            It really is worth your while to download and read your owners manual at least twice..

                            Make sure you plug in your serial number to get the correct version..

                            http://www.millerwelds.com/service/o...uals.php?model

                            as far as settings go... as Broc said.. they are a starting point... personal speed and style will greatly affect how much you need to adjust..

                            there is a real treasure trove of info on technique and settings in the MIG resources section..

                            http://www.millerwelds.com/resources...ur-skills/mig/

                            a little bit of study will answer and clarify a whole bunch of your questions..

                            The better understanding you have of the basics.. the better your results will be and the faster your progress in skill building..

                            Last edited by H80N; 11-23-2013, 01:04 PM.
                            .

                            *******************************************
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                            “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

                            Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

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                            • #15
                              millermatic 252 settings cards

                              Ok thx will try these suggestions

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