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Thread: Tight places

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  1. #1
    AlG Guest

    Default Tight places

    Mig welding in tight places. We are welding rotors for a micro hydro electric turbine. The rotor looks a lot like a heavy duty squirrel cage fan but the spaces between the blades is tight. The space is less than 3/4 inch and the blades are curved like on a squirrel age fan. My M-15 mig gun can fit in but there is no room to angle it to weld in the corners. Now we bend our stick rods and weld around the corner. I would sure like to use the mig if possible. Have thought of trying to bend the tip to throw the wire off to the side or add a finger to the end of the tip to bend the wire side ways after it is out. Any body out there who has ideas? AlG

  2. #2
    Join Date
    Feb 2009
    Location
    Island Falls Maine
    Posts
    562

    Default

    I guess you could take a pice of copper and weld in on the nosal to redirect the wire. thats all i can see working.

  3. #3
    Join Date
    Feb 2008
    Posts
    835

    Default

    This is the kind of thing that begs for TIG with a gas lens and flexi head. You can get that thing into places you never thought of.
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  4. #4
    Join Date
    Feb 2008
    Location
    Guam
    Posts
    177

    Default millermatic xr-15

    This is an old unit hooked to a extended reach wire feeder. (push pull system) It has a mig flex add on thats about 10'' long and will bend to about 60 degrees. Theres also some 8'' long tips bent at a 45 degrees, I've used these for flux core. Theres also some 3/4'' id copper tube, 5 1/2 '', bent at a 45 degrees that the 8'' tips fit in nicely. I haven't figured out how this last set up hooks to the gun, I'm thinking theres a part or two missing but haven't needed it yet. I'm 95 percent sure this is all factory miller stuff, but have no way to talk to the original buyer.

  5. #5
    Join Date
    Nov 2006
    Location
    Lake of the Ozarks MO
    Posts
    3,535

    Default

    Man I bet the OP is really happy to see that after 2 1/2 long years someone finally came along and solved his problems
    Never mind the fact that it has been so long ago that he isn't even a MEMBER anymore!!!
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  6. #6
    Join Date
    Nov 2006
    Location
    Lake of the Ozarks MO
    Posts
    3,535

    Default

    MKSWelding has dug up a slew of these old threads in the last day or so. Check it out
    I played with momma today instead
    Miller Dynasty 700...OH YEA BABY!!
    MM 350P...PULSE SPRAYIN' MONSTER
    Miller Dynasty 200 DX "Blue Lightning"

    Miller Bobcat 225 NT
    Miller 30-A Spoolgun
    Miller WC-115-A
    Miller Spectrum 300
    Miller Spoolmate 200
    Miller 225 Thunderbolt
    SPEEDGLAS 9100XX

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