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  • 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
    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.

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    • #3
      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.

      80% of failures are from 20% of causes
      Never compromise your principles today in the name of furthering them in the future.
      "All I ever wanted was an honest week's pay for an honest day's work." -Sgt. Bilko
      "We are generally better persuaded by reasons we discover ourselves than by those given to us by others." -Pascal
      "Since we cannot know all that there is to be known about anything, we ought to know a little about everything." -Pascal

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      • #4
        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.

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        • #5
          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
            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

            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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            • #7
              FusionKing: is not that he's dug up old post's it just took that long for his dial up to finally get the answer on line. he is from Maine.
              TB 325
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