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Thread: Auto Tig

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  1. #1
    Join Date
    Sep 2005
    Location
    Vernon Ct
    Posts
    117

    Default Auto Tig

    I have an auto tig welder I set up that consists of a cold wire feeder, welder & positioner. I have the torch mounted on a gadget and all my controls are remotly handy. I am looking for a way to make the vertical movement of the torch aotomatic. I have to keep adjusting it as the contour changes with a prescision slide that holds the torch. Like a auto torch hieght that maintains the arc volts and adjusts the torch height to follow the contour of the part. The parts I weld are not flat, that's why I weld build them. They get machined after weld. I know jetline has one but it looks like way more than I need.

    PlasmaCam has it on their cnc plasma table and the whole unit is around 10K. I'm even thinking about getting that and mounting my tig torch to that.

    Is it possible to mount a stepper motor that reads the volts from the welder and can maintain the torch height?

    Do any of you work with auto tig set ups?
    Mike
    MD Welding & Fabricating L.L.C.
    mdwelding@sbcglobal.net

  2. #2
    Join Date
    Aug 2006
    Location
    near rochester NY
    Posts
    9,881

    Default

    could you give the torch a spring load and a stopper to keep it constant ??kinda like a roler guide for a plasma torch.
    seems simple enough, but could be too simple to do the job, just thought i would throw itout there.
    thanks for the help
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  3. #3
    Join Date
    Mar 2006
    Location
    Ocean City, Maryland
    Posts
    951

    Default

    Just curious, what are you making with that thing??
    Scott
    HMW [Heavy Metal welding]

  4. #4
    Join Date
    Sep 2005
    Location
    Vernon Ct
    Posts
    117

    Default

    I repair inconel rings for gas turbines and decided to set up an auto tig. I just weld the fretting & erosion and it gets re machined. The problem is that they're not real flat and require almost constant adjusting to maintain the arc length so the wire feeds good and the weld stays consistant.
    Mike
    MD Welding & Fabricating L.L.C.
    mdwelding@sbcglobal.net

  5. #5
    Join Date
    Sep 2005
    Location
    Vernon Ct
    Posts
    117

    Default oops..here's a pic

    I hit the wrong button and posted without a pic. Here is what the weld looks like.


    No it's not automatic, I did it by hand and it's my 1st time!
    Attached Images Attached Images
    Mike
    MD Welding & Fabricating L.L.C.
    mdwelding@sbcglobal.net

  6. #6
    Join Date
    Mar 2006
    Location
    Ocean City, Maryland
    Posts
    951

    Default

    Anything special to welding inconel?? Like wire, gas, is it tig or mig??

    So many questions, so little time..................

    Looks good, are they just tac'd or do you weld all the way around?
    Scott
    HMW [Heavy Metal welding]

  7. #7
    Join Date
    Sep 2005
    Location
    Vernon Ct
    Posts
    117

    Default

    Nope. Nothing real special. It's just 45 bucks a pound x 30 lbs on a spool. That gets pricey. The ring is tacked to the plate to control distortion and the other surfaces are overlayed with weld and re machined. Once it's welded I have to cut it from the plate. The "special" part of the job is the the pre and post weld heat treats. Like 2100 for a few hours in a vaccum furnace then an argon quench, yada yada yada....

    It's all tig.
    Mike
    MD Welding & Fabricating L.L.C.
    mdwelding@sbcglobal.net

  8. #8
    Join Date
    Mar 2006
    Location
    Ocean City, Maryland
    Posts
    951

    Default

    Pretty cool, thanks
    Scott
    HMW [Heavy Metal welding]

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