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  1. #1
    Join Date
    Jun 2007
    Posts
    18

    Default amps/voltage ???

    I have a question;the below quote is from the MM212 info on the Miller site.

    Seven taps provide wider welding range of 30-210 amps with improved high and low ends to weld materials from 22 gauge up to 3/8 in (9.5 mm) thick in a single pass.

    Why is this control that selects the 30-210 AMP range labled VOLTAGE? This does not make sense to me, can someone explain this.

  2. #2
    Join Date
    Jan 2006
    Location
    Albuquerque, NM
    Posts
    1,788

    Default

    Quote Originally Posted by plane crazy View Post
    I have a question;the below quote is from the MM212 info on the Miller site.

    Seven taps provide wider welding range of 30-210 amps with improved high and low ends to weld materials from 22 gauge up to 3/8 in (9.5 mm) thick in a single pass.

    Why is this control that selects the 30-210 AMP range labled VOLTAGE? This does not make sense to me, can someone explain this.
    Just like it says, this range of "Voltage taps" is providing for a wider "range of amperage" which you access using the wirespeed dial. I hope that makes sence.
    Regards, George

    Hobart Handler 210 w/DP3035 - Great 240V small Mig
    Hobart Handler 140 - Great 120V Mig
    Hobart Handler EZ125 - IMO the best 120V Flux Core only machine

    Miller Dynasty 200DX with cooler of my design, works for me
    Miller Spectrum 375 - Nice Cutter

  3. #3
    Join Date
    Aug 2006
    Location
    near rochester NY
    Posts
    9,881

    Default

    simple answer is the taps chose the volts then you increase or decrease the amps by the wire speed adjust.
    FWIW; many find the MM210/212 very easy to set and use. wile i have not used one much i did get to do a little 22gage on some floor boards and it worked great. if you are considering getting one, by all means get it.
    thanks for the help
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  4. #4
    Join Date
    Sep 2002
    Location
    Clark County, NV
    Posts
    2,696

    Default

    Amperage is driven by voltage. You select the voltage, and then you adjust the amperage with stickout and wire speed.

    GMAW is a Constant Voltage process.

  5. #5
    Join Date
    Aug 2006
    Location
    near rochester NY
    Posts
    9,881

    Default

    thats why its so important to lern to keep a constant stickout, it plays a big part in the process. you need to be able to controle it.
    thanks for the help
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  6. #6
    Join Date
    Jun 2007
    Posts
    18

    Default

    Thanks for the info guys.

    Sundown when you say it like this: range of "Voltage taps" is providing for a wider "range of amperage" which you access using the wirespeed dial.
    it makes sense to me. The way it was written led me to believe it was an Amp selection on the Tap switch, which I could not understand how the WS would control Voltage. The WS controling Amps makes sense. I guess I was reading it literally and not thinking it through. I also noticed on the new litrature in the buyers guide for the 212 it now says seven tap voltage selection provides a range of 30 - 210 Amps.

    Thanks again for all the help.

  7. #7
    Join Date
    Aug 2006
    Location
    near rochester NY
    Posts
    9,881

    Default

    so are you getting a new toy now ??
    thanks for the help
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  8. #8
    Join Date
    Jun 2007
    Posts
    18

    Default

    I have decided on the MM212, I have gone the last 35 yrs without one so I am pretty sure the 212 will do just fine. And the price is alot nicer then the 252, I still have to get a helmet and other safety gear.

    All I have to do now is decide on what kind/size wire and gas. I was reading other posts on this and it sounds like the 75 Argon/25 CO2 gas is the norm.
    For the wire, I am thinking solid .030 to start, any particular name brand bettter than another? At my LWS they mentioned using the flux-core with gas, any oppinions on this. I want one that is middle of the road for now, I will pick up other sizes when I know more about it and require it for different projects. Remember I am new and will be learning on this.

    I also plan on taking a 30 hour night course at my local community college in the fall. I don't know what you guys think of this type of course. I am the type of person if I am shown something once I pick it up; a whole lot quicker than reading it from a book. Would this course be worth $500?

    Thanks again for the help.

  9. #9
    Join Date
    Aug 2006
    Location
    near rochester NY
    Posts
    9,881

    Thumbs up great choice.

    i think the cores is a good idea. with some luck the instructors know what they are doing and it will end up being well worth the $$
    .030 solid wire and C-25 is the best choice for the MM212, it just fits it right.
    it will give you the full range from the welder with the best response.
    as for fluxed with gas, i would wait till you find a need for it. it's extremely expensive in comparison and solid will do everything you want with the MM212. save the fancy stuff for when you know it and feel the need for it.
    i would recommend the Miller student packet $25 shipping included ( might have gone up?) it will give you a great understanding of what to expect and cover a lil bit of everything and a lot of MIG/TIG info.
    thanks for the help
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  10. #10
    Join Date
    Jul 2007
    Location
    Indiana
    Posts
    22

    Default

    If you explore the Miller web site a little furthe you will find some excelent training material that is free
    http://www.millerwelds.com/education/etraining.html
    the more basic understanding of the subject that you have will make learning new stuff easier when you enroll in your course. As with anything training related you getout what you put in, so start putting. Good luck and welcome to the ranks of weldors.
    Martin
    Welding Technician
    AWS Certified Welding Inspector
    AWS Certified Welding Educator
    ASNT ACCP Level II VT/GI/D
    www.linkedin.com/pub/martin-cramer/20/b36/940/

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