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Miller 135 vs 175

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  • cope
    replied
    Originally posted by JWELD
    It'S a 172 instead of a 175, any difference their. Sorry, my fault.

    Also, while we are talking transferrs, I have hear my "Vintage" has a "soft arc", if thats right. What is this??

    Thanks for answering all the idiot questions.
    JWELD I believe it is against the law to possess a Vintage in the Sportsman's Paradise. Email me and we can arrange for you to meet me at the state line some night and I will take it off your hands. Sure would hate to see you in trouble.

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  • Guest's Avatar
    Guest replied
    Thanks Andy, I do like both and intend to keep them.

    Thanks Again

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  • ASKANDY
    replied
    Your 172 is a fine machine, actually better and rated lower than it actually can go than the current 175. Keep it! As for soft arc, it refers to the magnetics of the transformer and stabilizer that gives the unit a softer, easier to wet out arc. It also sounds softer than some of the Solid State units which use phase control to vary output. Your unit uses voltage taps on the transformer to change output and a full wave rectifier using diodes to get the DC. The Vintage is also a nice unit. Too bad it was killed this year.

    Hope this answered your question.

    Andy

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  • Guest's Avatar
    Guest replied
    It'S a 172 instead of a 175, any difference their. Sorry, my fault.

    Also, while we are talking transferrs, I have hear my "Vintage" has a "soft arc", if thats right. What is this??

    Thanks for answering all the idiot questions.

    Leave a comment:


  • ASKANDY
    replied
    J-

    Good question,

    There are basically 4 types of MIG transfer.

    Short circuit, where you get the bacon fry sound. Good for all position.

    Globular transfer, done at a higher voltage. The wire will glob off the wire to the arc. This usually gives higher spatter and normally is undesirable. Some welders like using globular with CO2 to get penetration where bead looks are not much of a concern.

    Spray transfer, molten droplets steam across the arc to the base metal. Uses high voltage and a mix of at least 90% argon gas is required. The sray arc produces a humming or buzzing sound and does not have much spatter. This transfer does not lend itself to out of position welding as the puddle stays more fluid but is great for thicker weldments.

    Pulsed spray, pulses between two different currents that is still at a high voltage level to obtain spray. A mix of 98% Argon is common with the remainder being Oxy. These pulsed currents at high rates give you high material deposition, penetration and good out of position control. With 100% Argon, it't great for Aluminum.

    Hope this helps.

    Andy

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  • Danny
    replied
    last picture
    Attached Files

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  • Danny
    replied
    picture #2
    Attached Files

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  • Danny
    replied
    along with outputting a higher amperage, the MM 175 also outputs a higher voltage. This higher voltage allows the MM 175 to short arc thicker material with solid wire. Sure the MM 135 gives you 135 amps on it output but to do this it outputs a load voltage (around 15 volt) that is to low to support short circuit transfer with a solid wire. so to run a MM 135 at its upper end you need to run a self shielded fluxcore wire on the machine, which requires a lower volt to operate properly. These 135 amp machine are rated at 1/8" for solid wire. this is actually pushing the envelope a little. 12 ga with a solid wire is actualluy a more realistic thickness. I never understood how you can supposedly weld 1/8" with a 120 volt machine at about 17 load volts and 110 amps, but with a 230 volt machine you run around 18 load volts and around 135 to 145 amps.

    I ll tell you right now, with fluxcore or solid wire, the MM 175 s going to give you a stronger weld on 3/16" then the MM 135 will.

    BTW, I own a MM 175, HH 175, and a HH 135.

    I m sorry, but I don t have the time right now to go it spray arc. i will state that It is a high energy open arc process that requires more voltage and amperage then a MM 135 or MM 175 is capable of out putting, and a gas mix contain 80% to 98% argon and the remainder being CO2 or Oxy. The Oxygen portion is normally no higher than 5% . I have a MM 210 and it is capable of producing spray transfer on 1/4" in a single pass with a 98% argon/ 2% oxy shielding gas.

    Here are a few sample spray transfer weld picture that I produced using my MM 210
    Attached Files

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  • H80N
    replied
    JWELD
    arcdawg is right about the voltage... but the big difference is in available amperage... which translates to power and capability...
    it so happens that they share the same manual... so a side by side comparison is pretty easy... here is a link to the pdf of the manual.. that should answer your questions...

    http://www.millerwelds.com/om/o1324d_mil.pdf

    hope this helps
    Heiti

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  • arcdawg
    replied
    OH MAN !!!!!

    this is the best way i can help you out, 135= 110v machine 175=220v

    do a SEARCH ON THIS ITS A VERY FAQ and im sure that you will get like a 1000 responces on the topic, i have a hh135 (miller cousin) and its a very good machine i run it with flux and i can do up to 3/16.............

    brian

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  • Guest's Avatar
    Guest started a topic Miller 135 vs 175

    Miller 135 vs 175

    Other than welding 3/16 vs 1/4 inch, what is the difference between the Miller 135 vs 175.

    Alao, while I am asking questions. What is meant by "Spray" welding when mig welding??

    Thanks
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