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  • #16
    Last year I had some heavy aluminum plate to weld so I go to my LWS place and get my helium cylinder filled with gas.
    I get home and attach the regulator and fire up the Dynasty 200.
    It sputtered like a Mig welder sounds and left a solid layer of black soot on both edges of the bead. I thought it could only be bad gas, but I have never experienced that before.

    I returned to the LWS and he gave me another bottle of helium. Go home, hook it up and have the same results.
    Back to LWS and said the gas was bad. He made the comment that he was considering dropping this supplier and he gave me a third bottle which he said he is certain this other supplier furnished clean gas.
    Went back home, hooked that cylinder up and all was well. Nice quiet arc and no soot.

    The next time I was in the LWS I commented that the third cylinder was fine.
    He replied that his previous supplier did not clean the cylinders as the helium he provided was sold mainly to inflate balloons.
    So you can get bad gas, take it from me.
    Perry
    Dynasty 200 DX_set up on 3 phase
    Coolmate 3
    MM 251 w/ Spoolmatic 30A
    HTP 625 Micro Cut Plasma Cutter
    Victor O/A Rig
    Bridgeport Mill_3 phase (w/ Acu-Rite 4 axis DRO)
    10 inch South Bend Lathe_3 phase
    Baldor Double Cup Tool Grinder_3 phase
    Baldor 10 inch Buffer
    Rockwell 12 inch Disc Sander
    Cyclone 2ft X 3ft Bead Blast Cabinet
    Quincy 325 2stg- Air Compressor_3 phase
    Graymills Built-in Parts Washer
    Rockwell/Delta Planer, HD Shaper, Uni-Saw etc.

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    • #17
      Originally posted by H80N View Post

      A nozzle flowmeter would be handy here

      https://www.arc-zone.com/shield-gas-flow-tester-50020



      [ATTACH=CONFIG]n577275[/ATTACH]
      Ordered.......Thanks!!

      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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      • #18
        I had some trouble with my old machine and it appeared that the HF fluttering. Maybe that's the clunking you're hearing.

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