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  1. #1
    Join Date
    Jul 2009
    Location
    Australia
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    1,031

    Default Ali V Blocks For Holding Stock To Be Welded

    I am always TIG welding ali or Stainless Steel so using magnets to hold stuff together when tacking is not an option. My bench top is ali so I can not weld fences onto it to frame weldments.
    So I usually end up using 6 clamps to hold 2 sticks together while I tack. I can not say how many times I have put my gloves on, picked up my filler rod & flipped my helmet down just to have a clamp give.
    With that said I had some time today to make up some "V" blocks to help hold weldments together.
    6061 Ali sections.

    Ji
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    Last edited by Jigantor; 09-03-2012 at 11:26 PM.
    Grip it and Rip it

  2. #2
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    Jul 2009
    Location
    Australia
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    Default

    The "V" blocks hold just about every shape with just one clamp which I mounted to the "V" block.

    Ji
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    Grip it and Rip it

  3. #3
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    Jul 2009
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    Australia
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    Default

    Today I started working on the support system.
    I have attached it to the members under my welding bench.

    Ji
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    Grip it and Rip it

  4. #4
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    Australia
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    Default

    Fix bracket.

    Ji
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    Grip it and Rip it

  5. #5
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    Jul 2009
    Location
    Australia
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    Default

    I needed to turn down this 25mm X 25mm square bar so it aligned with the main shaft.
    The problem is that I don't have a four jaw chuck for my lathe. I rang up my rep but he could not get an adapter plate for a week to fit a new four jaw chuck.
    I thought about the problem for a while and came up with a red neck way to get the job done.
    Snap On would not like this use for their sockets so I used a KC Pro.
    Not perfect but better than what I expected and the job was done today not in two weeks.
    Ji
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    Grip it and Rip it

  6. #6
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    Jul 2009
    Location
    Australia
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    Default

    Tig welded to main shaft.
    I have been using the Vee Blocks this whole build.

    Ji
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    Grip it and Rip it

  7. #7
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    Jul 2009
    Location
    Australia
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    Default

    Finished off the project today.

    Ji
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    Grip it and Rip it

  8. #8
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    Jul 2009
    Location
    Australia
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    Default

    With this new clamping system I should be able to hold just about any shape at any angle for welding.
    I will start thinking up more attachments to help.

    Ji
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    Grip it and Rip it

  9. #9
    Join Date
    Mar 2011
    Location
    st-eustache qc.canada
    Posts
    226

    Thumbs up The problem is that I don't have a four jaw chuck for my lathe.

    Thank-you for sharing this work , very nicely done.


    an old machinist showed me years ago how to stay away from 4 jaws chucks that are a pain to set up for repeatability. I use this method fro drilling and boring a hole in a cubic piece, acuracy is within 0.005 in. and better. And i really needed some practice on sketch-up (still need some more).

    We machine a larger and thick wall tube to the timension of the diagonal dimension of the square and leave a shoulder at the bottom, it can be put on the 3 jaws internally or externally. set screws can be added to hold the cube.
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  10. #10
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    Location
    Australia
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    Default

    Hi Snowbird.
    I think your cad skills are just fine.
    That would certainly work great.
    My problem is that I only lathe square once a year.
    Not much of a need for a 4 jaw chuck.
    The socket idea worked great but not to any real tolerance.
    Thanks for the kind words.

    Ji
    Grip it and Rip it

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