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  • #16
    Oxy reg won't work, wrong nipple, may not give enough CFH. I did it with nitrogen years ago, used a high pressure Fischer reg that I used.
    How many horse compressor? Should have a centrifugal unloaded. If that is broke, just add a pressure switch with an unloaded on it. If it is 7.5hp or less, just buy a single phase motor and be done with it. Starters are about 50 bucks on eBay.

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    • #17
      Originally posted by walker View Post
      Oxy reg won't work, wrong nipple, may not give enough CFH. I did it with nitrogen years ago, used a high pressure Fischer reg that I used.
      How many horse compressor? Should have a centrifugal unloaded. If that is broke, just add a pressure switch with an unloaded on it. If it is 7.5hp or less, just buy a single phase motor and be done with it. Starters are about 50 bucks on eBay.
      Breathing air regulators use a "348" CGA nipple

      Oxygen regulators use a "540" CGA nipple

      http://www.ohiomedical.com/UserFiles...der%20Data.pdf
      .

      *******************************************
      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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      • #18
        ppl)pkojjvp! mamp

        Q oow dr
        .
        Miller Bobcat 225NT onan
        Millermatic 211
        Spoolmate 100
        (Retapped to fit regular mig tips)
        Work better & less parts to stock.
        Miller 130xp
        T/A Dragster 85 (portability 11 pounds)
        Oxygen/Acetylene torch set 50'
        2. 4-1/2" grinders
        1. 9" grinder
        14" Makita chop saw
        1/2" Aircat impact gun 900#

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        • #19
          Why not just use a portaband?Or some .045 slice wheels on a angle grinder they make them for aluminum cutting ive used them work pretty well.
          BB402D
          TB300D
          DIMENSION652
          MM250X
          MAXSTAR140
          S-32 FEEDER W/1260 IRONMATE FC/GUN
          HT/PWR-MAX1250 PLASMA

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          • #20
            Nitrogen is the correct gas anyways.
            I vote repair the Quincy. Dang good compressors IMO

            www.facebook.com/outbackaluminumwelding
            Miller Dynasty 700...OH YEA BABY!!
            MM 350P...PULSE SPRAYIN' MONSTER
            Miller Dynasty 280 with AC independent expansion card
            Miller Dynasty 200 DX "Blue Lightning"

            Miller Bobcat 225 NT (what I began my present Biz with!)
            Miller 30-A Spoolgun
            Miller WC-115-A
            Miller Spectrum 300
            Miller 225 Thunderbolt (my first machine bought new 1980)
            Miller Digital Elite Titanium 9400

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            • #21
              Here is something that came up locally. Might be something to consider. Might be too big for your current phase converter, i don't know. If you want me to check it out send me a pm.

              http://tucson.en.craigslist.org/tls/4349774204.html
              MillerMatic 251
              Maxstar 150 STH
              Cutmaster 42
              Victor Journeyman OA

              A rockcrawler, er money pit, in progress...

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              • #22
                I can't get the link to work.
                Syncrowave 350lx
                XMT 350 CC/CV
                S74DX Feeder
                30a spoolgun
                Hypertherm 1000 g3
                Harris O/A
                Cincinnati lathe
                Acer Ultima "Bridgeport Mill"
                340hp Quincy and 400 gallon of air
                Other doodads and a stoker coal stove

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                • #23
                  Originally posted by sledsports View Post
                  I can't get the link to work.
                  Are you on a phone? I find that links rarely work when I am on my phone. Things like photobucket and such. Perhaps this is the same problem.
                  MillerMatic 251
                  Maxstar 150 STH
                  Cutmaster 42
                  Victor Journeyman OA

                  A rockcrawler, er money pit, in progress...

                  Comment


                  • #24
                    a little update

                    Sorry its been so long since a follow up but the results on hooking up compressed med air to the plazma was astounding. I used Harris nitrogen two stage regulator and swapped out the nipple to fit the air cylinder. Used a 5/16 push lock hose with JIC fittings. I noticed zero pressure drop on the work side while cutting (had a buddy watch the work side of the gauge). The down fall to this consumption. Cylinder started full at 2600 and fell to 2300 in about 10 mins worth of cutting. I'm sure I could have conserved some but was kinda in a hurry. Its worth doing in my opinion. Consumables should last a lot longer.
                    Syncrowave 350lx
                    XMT 350 CC/CV
                    S74DX Feeder
                    30a spoolgun
                    Hypertherm 1000 g3
                    Harris O/A
                    Cincinnati lathe
                    Acer Ultima "Bridgeport Mill"
                    340hp Quincy and 400 gallon of air
                    Other doodads and a stoker coal stove

                    Comment


                    • #25
                      VERY COOL..!!!
                      Great to know it worked out for you...
                      and Thank You for reporting it back...
                      that follow up will be helpful for others...
                      ...
                      Could you break down what the costs were..??
                      Last edited by H80N; 05-02-2014, 08:50 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


                      • #26
                        The med air was cheap (free ;-) about 3 bucks for the Jic fittings, $15 dollars for the nipple (CGA-346), Im gonna guess 70-90 bucks for the reg- Harris 447-200-CR Pipeline. (already had it and I'm sure a good oxy reg would work). Its a single stage, sorry thought it was dual in my follow up. Had some left over push lock female jic fittings from a previous job with about 5 foot of hose so that was another free bee. So if I was guessing if you had to buy it all you'd be in the 150-200 dollar range. Just a rough estimate.
                        Syncrowave 350lx
                        XMT 350 CC/CV
                        S74DX Feeder
                        30a spoolgun
                        Hypertherm 1000 g3
                        Harris O/A
                        Cincinnati lathe
                        Acer Ultima "Bridgeport Mill"
                        340hp Quincy and 400 gallon of air
                        Other doodads and a stoker coal stove

                        Comment


                        • #27
                          Thanks..!!....
                          .

                          *******************************************
                          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


                          • #28
                            Med air thing is good for portable work also, but not every day.
                            I use a small air compressor little jobs. With a full tank it ran my big plasma for short cuts.
                            As I write this my new Champion Air Compressor (Aug.2013) is in the repair shop with a blown head gasket.
                            Now when I have a big job I plug in my 302 Air Pak and fill all the booster tanks and run till the pressure is to low then Air Pak it back up.
                            Sometimes a small back up air compressor is a good thing.
                            Good Luck,
                            Bob
                            Millermatic 252 w/30A
                            Big Blue Air Pak
                            Ellis 3000 Band Saw
                            Trailblazer 302 Air Pak w/ Wireless Remote
                            8-RC
                            Dynasty 200 DX
                            XMT 350 MPa w/S-74 MPa Plus
                            Millermatic 211
                            Passport Plus
                            Spectrum 625 X-TREME
                            Lincoln SA-200 Blue Tint Red Face '63
                            2-Lincoln SA-200 Red Face '68
                            SA-200 Black Face '59
                            SA-200 Green Lite '84
                            SA-200 Green Lite '80
                            SA-200 Red Face '69
                            SA-200 Red Face '66
                            SA-200 Green Lite '81
                            '70 Black Face Round Barrel

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