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  • Miller Mic-4 adapter

    I may be asking for the moon here, but i'm trying to hunt down a Miller Mic-4 interface. Miller quit making them, and i haven't found any aftermarket suppliers who have marketed them, which leaves 2nd hand old/used as the remaining option. Hoping to find someone on here who would be willing to part with one. Please let me know. Thanks

  • #2
    Originally posted by McDaniel8402 View Post
    I may be asking for the moon here, but i'm trying to hunt down a Miller Mic-4 interface. Miller quit making them, and i haven't found any aftermarket suppliers who have marketed them, which leaves 2nd hand old/used as the remaining option. Hoping to find someone on here who would be willing to part with one. Please let me know. Thanks
    Am not totally clear where you are headed with this but here is a link to the manual...

    http://www.millerwelds.com/om/o874d_mil.pdf

    From what I am seeing... it does not appear to interface with the now current Miller 14 pin interface .... which would give you access to a variety of finger and foot controls...
    .

    *******************************************
    The more you know, The better you know, How little you know

    “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...

    My Blue Stuff:
    Dynasty 350DX Tigrunner
    Dynasty 200DX
    Millermatic 350P w/25ft Alumapro & 30A
    Millermatic 200

    TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

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    • #3
      Originally posted by H80N View Post
      Am not totally clear where you are headed with this but here is a link to the manual...

      http://www.millerwelds.com/om/o874d_mil.pdf

      From what I am seeing... it does not appear to interface with the now current Miller 14 pin interface .... which would give you access to a variety of finger and foot controls...
      I'm confident that somebody, somewhere has a dialarc HF running with fingertip tig torch control. The old Mic-4 adapter was used to run fingertip controls. I'm not sure that a modern fingertip control will work with the mic-4, but if not, than i'll also be hunting for some old style finger tip controls. When i spoke to Miller directly, i was told that the finger tip controls use a very small control circuit current. The old foot pedals used a control circuit of about 5 amps. The mic-4 interface served as an amplifier to step up the very low control circuit current from the fingertip control up to the (approximately) 5 amps that the DialArc machine operates on.

      Comment


      • #4
        All depends on how much time and effort you are willing to focus on the problem...

        You sound pretty determined..

        So...Keep us posted.. and Good Luck..!!...

        Could always whip up a PWM circuit to change the duty cycle of the 30vdc into the Mag-Amp and it's saturation...
        Pretty basic electronics.. but more effort than my lazy old bones would put into it..
        Last edited by H80N; 11-19-2013, 08:06 AM.
        .

        *******************************************
        The more you know, The better you know, How little you know

        “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...

        My Blue Stuff:
        Dynasty 350DX Tigrunner
        Dynasty 200DX
        Millermatic 350P w/25ft Alumapro & 30A
        Millermatic 200

        TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

        Comment


        • #5
          I think I saw one on Norfolk Craigslist a few weeks back, but I don't see it now. Use Searchtempest and keep looking.

          Also check/ask on weldingweb.com. 3 months ago, there was a MIC-4 for $600. But it also included a very clean Dialarc HF-P, foot control, torch with hand control and a cooler!

          http://weldingweb.com/showthread.php...ale&highlight=
          Last edited by USMCPOP; 11-19-2013, 09:47 AM.
          Miller stuff:
          Dialarc 250 (1974)
          Syncrowave 250 (1992)
          Spot welder (Dayton badged)

          Comment


          • #6
            Originally posted by USMCPOP View Post
            I think I saw one on Norfolk Craigslist a few weeks back, but I don't see it now. Use Searchtempest and keep looking.

            Also check/ask on weldingweb.com. 3 months ago, there was a MIC-4 for $600. But it also included a very clean Dialarc HF-P, foot control, torch with hand control and a cooler!

            http://weldingweb.com/showthread.php...ale&highlight=
            $600 was one HECK of a deal for all that was being sold. I bought my DialArc HF from a friend who was never going to use it. It came with foot pedal, water cooler unit, water cooled torch. I paid $330 to have the machine shipped from central Florida to southeast Houston, TX. Shipping cost me more than the welder it self. Its kinda funny when i ask welding stores and repair shops about the MIC-4. The response from all of them has been "hmmm, never heard of that before...". I really don't understand why none of the after market guys picked it up. I have a brochure with a general diagram/schematic of the interface. There isn't much to it, but none of the values/sizes of the components are listed, just a layout. And so i keep hunting...
            Last edited by McDaniel8402; 11-20-2013, 08:21 AM.

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            • #7
              Originally posted by McDaniel8402 View Post
              $600 was one HECK of a deal for all that was being sold. I bought my DialArc HF from a friend who was never going to use it. It came with foot pedal, water cooler unit, water cooled torch. I paid $330 to have the machine shipped from central Florida to southeast Houston, TX. Shipping cost me more than the welder it self. Its kinda funny when i ask welding stores and repair shops about the MIC-4. The response from all of them has been "hmmm, never heard of that before...". I really don't understand why none of the after market guys picked it up. I have a brochure with a general diagram/schematic of the interface. There isn't much to it, but none of the values/sizes of the components are listed, just a layout. And so i keep hunting...
              The unit is long out of production... there must be a service/technical manual with a complete schematic and parts list with all the values and industry part numbers...

              Probably too old to be considered a secret...

              So.... maybe Cruizer or one of the Miller techs could post it...??..
              and you could breadboard your own personal copy??
              .

              *******************************************
              The more you know, The better you know, How little you know

              “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...

              My Blue Stuff:
              Dynasty 350DX Tigrunner
              Dynasty 200DX
              Millermatic 350P w/25ft Alumapro & 30A
              Millermatic 200

              TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

              Comment


              • #8
                Miller MIC-4 diagram and parts BOM

                Originally posted by H80N View Post
                The unit is long out of production... there must be a service/technical manual with a complete schematic and parts list with all the values and industry part numbers...

                Probably too old to be considered a secret...

                So.... maybe Cruizer or one of the Miller techs could post it...??..
                and you could breadboard your own personal copy??
                As of this morning, i now have both! Yeehaw!!! One step closer. I'm not sure how to attach the pdf files, but i'd be happy to share them with anyone who wants them.

                Comment


                • #9
                  Originally posted by McDaniel8402 View Post
                  As of this morning, i now have both! Yeehaw!!! One step closer. I'm not sure how to attach the pdf files, but i'd be happy to share them with anyone who wants them.
                  That is great!!

                  Keep us posted on the project...

                  BTW.. PDF files can be attached under the "Manage Attachments" command when you either start or edit an entry.. (Advanced)...
                  .

                  *******************************************
                  The more you know, The better you know, How little you know

                  “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...

                  My Blue Stuff:
                  Dynasty 350DX Tigrunner
                  Dynasty 200DX
                  Millermatic 350P w/25ft Alumapro & 30A
                  Millermatic 200

                  TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

                  Comment


                  • #10
                    Update!

                    I got a MIC-4 on order from Ebay. There was a cheap one with damaged cords (easily repairable), but someone out bid me in the final 2 seconds of the auction. I settled for another one, "buy it now" for $60 + shipping. Not too bad, considering they are hard to find. There is one more on the "buy it now" if anyone is interested. Just go to ebay, and type in "Miller MIC-4". I can either get a controller with 5 pin, or get a 5 pin / 14 pin adapter and use a 14 pin torch controller. Would work fine either way.

                    Comment


                    • #11
                      [QUOTE=McDaniel8402;314410]but someone out bid me in the final 2 seconds of the auction.

                      Sorry about that.

                      Comment


                      • #12
                        IT WAS YOU!!!! lol. I'm only kidding. Even it was, no big deal. The "winning" bidder paid about $42 if i recall correctly, so they saved about $18 over what i paid. I'm still happy with it. I figure if the welding supply houses, Miller distributors, and welding machine repair shops are not familiar with a MIC-4 adapter, they must be relatively uncommon. Supply and demand. It should give me finger tip current control on my machine, which is what i was after. Looking forward to melting some stuff.

                        Comment


                        • #13
                          Thats the same reason i got mine. Hard (or impossible) to use the huge metal pedal inside cars.

                          Comment


                          • #14
                            Just Curious... So BUMP

                            We never did hear the end to this one....
                            .

                            *******************************************
                            The more you know, The better you know, How little you know

                            “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...

                            My Blue Stuff:
                            Dynasty 350DX Tigrunner
                            Dynasty 200DX
                            Millermatic 350P w/25ft Alumapro & 30A
                            Millermatic 200

                            TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

                            Comment


                            • #15
                              Originally posted by H80N View Post
                              We never did hear the end to this one....
                              I know it has been a month of Sundays since i've posted anything here. I've finally gotten around to messing with the MIC-4 that i bought. It took me what seemed like forever to finally get the welding machine ready to use. I actually made a few bucks with it on Sunday doing repair work on a broken bow rail on a boat. The weld came out nice, and the customer was satisfied, but good grief it was a PITA using a foot pedal!

                              I put new cords on the MIC-4 because the old ones were so crusty and the insulation was crumbling. When i opened the thing up, I found a melted trimmer potentiometer. I understand electricity just fine, but i am not an electronics tech. I desoldered the melted pot, and i'm planning to order a new one today. I am a little concerned as to what melted the original though. I've done enough repair work to question whether i've found a problem, or just the symptom of the problem. I still need to buy a 5-pin hand control switch to use though. I hate shelling out $200 without knowing if the MIC-4 is even going to work. I could always just hang on to the hand controller and hope for another MIC-4 to come along, or sell the controls and try to recoup the money. We'll see...

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