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  1. #1
    Join Date
    Sep 2012
    Posts
    4

    Question need tip on how to hold pieces for TIG at odd angle - ?modeling clay?

    The project I'm doing is TIG welding two 3/8" mild steel square bars on an angle to a 1/2" square bar. The drawing is easier to understand than my explanation. Top bar only is illustrated.

    the right angle pipes/angle iron, c-clamps, and vise grips I'm using for a frame just don't get the angles right.

    Could I safely use modeling clay or something like that to hold small pieces at an odd angle just to get the tack weld made as long as I keep the clay away from the weld?

    holding pieces.jpg

  2. #2
    Join Date
    Oct 2006
    Location
    Illinois
    Posts
    594

    Default

    Would these help ? Posting from another site.
    http://weldingweb.com/showthread.php...ht=weld+finger

    Mine is post #7, i think this will work . Various ideas shown.

  3. #3
    Join Date
    Feb 2009
    Posts
    107

    Default I use these, bigger than they look.


  4. #4
    Join Date
    Apr 2009
    Location
    Upstate SC
    Posts
    138

    Default

    I don't believe that welding finger will help much in your case. If you have a lot of them to make, you should make a jig. If it's just the one, I usually just grind the angles I need and hold them together by hand for a tack. Then you can bend them a little to get the final angle and weld.
    You've got a tough problem, I admit.

    CG
    Old Miller Swinger 180 Buzzbox
    Miller Diversion 165
    Smithy Lathe/Mill

  5. #5
    Join Date
    Jun 2009
    Posts
    3

    Default

    This universal clamp may be just what you need.

    http://www.metalmeet.com/forum/showthread.php?t=7273

    Don

  6. #6
    Join Date
    Sep 2009
    Location
    South Carolina
    Posts
    569

    Default

    Quote Originally Posted by chewinggum View Post
    I don't believe that welding finger will help much in your case. If you have a lot of them to make, you should make a jig. If it's just the one, I usually just grind the angles I need and hold them together by hand for a tack. Then you can bend them a little to get the final angle and weld.
    You've got a tough problem, I admit.

    CG
    This works on many projects. Great advise.

  7. #7
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,376

    Default

    A piece of bent flat straps and a couple clamps woulde be simple, how many of these are there and are they critical? One of them, a latch for a pork smoker or some engineered part, dozens, hundreds etc for the space program? You say using now, is this part of a production process? This is a question that needs context??

  8. #8
    Join Date
    Sep 2012
    Posts
    4

    Default

    Quote Originally Posted by Sberry View Post
    A piece of bent flat straps and a couple clamps woulde be simple, how many of these are there and are they critical? One of them, a latch for a pork smoker or some engineered part, dozens, hundreds etc for the space program? You say using now, is this part of a production process? This is a question that needs context??
    It's a single hobby project, not production. i plan to make 6.
    I'm a novice, and as such, am not able to fill in the details of your suggestion of bent flat straps and a couple of clamps. How are those to be arranged? thanks.

  9. #9
    Join Date
    Sep 2012
    Posts
    4

    Default

    Quote Originally Posted by BD1 View Post
    Would these help ? Posting from another site.
    http://weldingweb.com/showthread.php...ht=weld+finger

    Mine is post #7, i think this will work . Various ideas shown.


    I made up the pieces today of your design, but I don't know how to do the washer part to get it to hold.

  10. #10
    Join Date
    Oct 2006
    Location
    Illinois
    Posts
    594

    Default

    Quote Originally Posted by d.eglen View Post
    I made up the pieces today of your design, but I don't know how to do the washer part to get it to hold.
    The washer is a shade larger then the material that it slides on. It just binds on the round stock by gravity being on a angle. Your washer inside diameter maybe too large. You could try a small '' C '' clamp or baby vise grips on shaft to hold weight too. Hope it works.

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