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  1. #1
    Platinum Member FredH's Avatar
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    Default ??? Mig Amps and Wire speed

    Just a Curiosity Question Regarding Mig welders . Why do most , if not all , Mig Welders have heat settings , ( be it volt or amps ) , then the wire speed is the other setting , ( Say heat settings are the volts and then wire speed is the amps ) ?????

    Just wondering Why you could not have Amps , Volts AND another knob for wire speed . Thus Simple Brained people like me could still weld Slow by having wire speed down but still have power up for thicker stock .

    Maybe there are welders that way , but most I have seen up to the likes of a Miller 212 or Lincoln 216 are the same as the smaller 110/120 welders .

    Again just Thinking out loud , Which for me , Thinking can be ?????

    Fred H

  2. #2
    Elite Member Shield Arc's Avatar
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    Default Re: ??? Mig Amps and Wire speed

    [QUOTE=FredH;3166047Just wondering Why you could not have Amps , Volts AND another knob for wire speed .[/QUOTE]

    Actually that is exactly how you would do it with this set up.
    Attached Thumbnails Attached Thumbnails ??? Mig Amps and  Wire speed-ln-25.jpg  


    Miller Dynasty 300.
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  3. #3
    Advertiser Mark @ Everlast's Avatar
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    Default Re: ??? Mig Amps and Wire speed

    Fred,
    Without getting over technical,(because I am not the technical guy) wire speed is your amps. The constant voltage process uses the wire speed to regulate the amps. The stickout of the wire self-regulates the amperage as the wire burns off at a fixed speed determined by the voltage.
    Mark Lugo
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  4. #4
    Platinum Member FredH's Avatar
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    Default Re: ??? Mig Amps and Wire speed

    S.A. : Real Funny , Sure that would fit in my shop , BUT then there would be no room for Me !!

    Mark : Not Technical ?? Remember , I am a truck Driver , That went over my head . I Guess I get it , Was Just always curious Why most machines are that way .

    Thanks , Fred H.

  5. #5
    Elite Member Shield Arc's Avatar
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    Default Re: ??? Mig Amps and Wire speed

    Fred here are a couple charts that may help you. And bookmark these calculators by Miller, very helpful!


    Miller - Welding Calculators
    Attached Thumbnails Attached Thumbnails ??? Mig Amps and  Wire speed-mig-chart.jpg   ??? Mig Amps and  Wire speed-pushorpull.jpg  


    Miller Dynasty 300.
    Lincoln V350-Pro w/pulse
    LF-72
    Lincoln SG Spool gun

    Lincoln LN-25.
    1937 IdealArc-300
    Everlast PowerArc 200.
    5 Lincoln SA-200s.
    1800 Ellis saw
    Hypertherm Powermax 1250, CNC table.
    PROFAX Welding Positioner.
    JD2 model 3

  6. #6
    Platinum Member orezok's Avatar
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    Default Re: ??? Mig Amps and Wire speed

    Wire speed and amps vary depending upon the wire size and type you are using. It's not one size fits all.

  7. #7
    TWD
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    Default Re: ??? Mig Amps and Wire speed

    You just need practice. There's no 1 knob here other knob here all the time it depends on position and the other things mentioned by the poster above.

  8. #8
    Platinum Member FredH's Avatar
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    Default Re: ??? Mig Amps and Wire speed

    This was just a curiosity question and not part of my learning curve with new welder . The more I thought about it this week , I guess I was comparing it to arc / stick welding were you have 2 controls and you are the third knob as far as feeding the electrode , but even then , you have to maintain a decent speed , not slow but not fast .
    I guess it also would not be practical from a efficiency viewpoint either in welder power factor or utilizing incoming power . High Amp Setting , High Volt Setting , then have Wire feed turned down to low , would be wasting electricity and would not be very efficient for the use of the welder , or feed to high and you would be shoving wire every were .
    Skilled people like S.A. , Can dial in any welder likely Blindfolded , But some of Us need makers of welder's to make their products some what idiot proof , ( At least in my case ) .

    Fred H.

    P.S. Shield Arc , Don't know if any are for sell , but I Know of 6 of those Grey SA200's ( ????? Look like pictures you have posted but not sure about actual name for them ) sitting around here locally . 5 are just a few doors down from were I park my trailer on weekends and the 6th is next door to my Dad's , just sitting next to a old shop building . Should I try to make a offer ? No idea if any run , but ???

  9. #9
    Elite Member Shield Arc's Avatar
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    Default Re: ??? Mig Amps and Wire speed

    Well thank you Fred for thinking of me! I have 5 of them now, and I'm trying very hard to curve my addiction. If I get anymore I'd have to build a bigger shed to store them in.


    Miller Dynasty 300.
    Lincoln V350-Pro w/pulse
    LF-72
    Lincoln SG Spool gun

    Lincoln LN-25.
    1937 IdealArc-300
    Everlast PowerArc 200.
    5 Lincoln SA-200s.
    1800 Ellis saw
    Hypertherm Powermax 1250, CNC table.
    PROFAX Welding Positioner.
    JD2 model 3

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