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Tech - Easy Bracket/Mounts

Discussion in 'The Hokey Ass Message Board' started by C9, Mar 3, 2008.

  1. Easy Bracket/Mounts

    Here’s an easy way to knock out brackets, mounts and the like.
    Limited only by your imagination.
    Nice part is you get a nicely done piece with the edges already rounded and not a whole lot of time expended.

    This first pic shows a piece of 1" x 2" x .120 wall rectangular tubing.
    It’s cut to length and square on the ends.
    Not always easily done on a bandsaw, but there are ways to set it up so it will cut square, but that’s outside the scope of this article.
    Life is a little easier if you drill the mounting holes at this point.
    Drill the hole opposite the weld seam if you’re using the wide part of the 1" x 2" for the bracket/mount.
    In fact, check for fit etc. before you go any farther.
    [​IMG]


    Pic #2 shows the workpiece set up in the bandsaw.
    Note there’s another piece of 1" x 2" rect tubing at the other end of the vise because the short workpiece is hung out on the end of a couple of vise adapters which are nothing more than a couple of ½" thick spacer/extender gizmos.
    They do not mount to the vise proper, they’re held in place when the vise is tightened on the workpiece.
    [​IMG]


    Here it is after cutting off the bottom face of the 2" x 2" rect tubing.
    Cut as close to the inside of the bottom face as you can.
    [​IMG]



    Laid out for the curved end cut.
    Be artistic here, don’t just file or grind the corners down and especially don’t leave em sharp.
    Doesn’t take much to make a good looking bracket.
    A little time spent here will make the overall project look good.
    Just slapping a chunk of metal on the car takes a lot away from the project and I don’t care how much chrome and shiny paint you have, poorly fabricated pieces really bring the quality of the car down.
    [​IMG]


    This last pic shows the finished product.
    Make a point to break the sharp edges.
    A file or better yet a sanding belt works well here.
    [​IMG]

    Note the UHMW mount biscuit with bolt.
    The stainless bolt had the hex top cut away a bit, strictly for decorative purposes.
    The mount and UHMW biscuit are for mounting the body on my 31 on 32 rails project roadster.
    The just under 2" OD UHMW biscuit is the right size for the 2" wide rect tubing, the bracket/mount proper doesn’t stick out too far and the best part is, it has the gussets already done....
     
  2. hotrodbrad
    Joined: Apr 21, 2006
    Posts: 180

    hotrodbrad
    Member
    from Tempe, AZ

  3. Mr48chev
    Joined: Dec 28, 2007
    Posts: 35,967

    Mr48chev
    ALLIANCE MEMBER

    Amen to the cool, it's little things like that bracket that make the difference when you build a rod.
     
  4. rstanberry
    Joined: Dec 22, 2007
    Posts: 202

    rstanberry
    Member
    from terrell tx

    Where do you get the biscuits?
     

  5. I cut them out of a sheet of UHMW with a hole saw.

    Or the bandsaw if I want square/rectangular ones.

    UHMW comes in several thicknesses, but I usually keep only 3/8", 1/2", 3/4" and 1" in stock.

    I use 1/8" Teflon for some things, but UHMW is 70% stronger than Teflon.
     
  6. Rusty
    Joined: Mar 4, 2004
    Posts: 9,487

    Rusty
    Member

    Where is a good online source for UHMW or teflon? Great post
     
  7. charleyw
    Joined: Aug 5, 2006
    Posts: 2,321

    charleyw
    ALLIANCE MEMBER

    We use uhmw all the time building conveyors, It's the new wood!
    Nice tech post
     
  8. GTS225
    Joined: Jul 2, 2006
    Posts: 1,297

    GTS225
    Member

    ****************************************

    http://www.mcmaster.com/

    Roger
     
  9. UHMW is also found at Industrial Rubber stores.

    As is Neoprene which is the right durometer (hardness) for motor mount cushions.

    I've also made motor mount cushions from UHMW and as it hard as the stuff is, it damps vibrational harmonics quite well.

    If you go to a rubber house, get your UHMW from the remnants barrel.
    Lots cheaper that way.

    If you can't find it in the barrel, take an already cut piece from the shelf.
    When they start adding in cut prices it adds up.

    About 1/3 the cost of Teflon.

    You don't want Teflon, lots of folks think they're looking at Teflon when they look at my 32 roadster, but imo Teflon is too slippery.

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]
     
  10. rstanberry
    Joined: Dec 22, 2007
    Posts: 202

    rstanberry
    Member
    from terrell tx

    Texas Rubber Supply on Industrial Blvd. in Dallas probably has the stuff. First I've heard of it though.Good post,thanks
     
  11. k55f5r
    Joined: Dec 8, 2007
    Posts: 54

    k55f5r
    Member
    from SoCal

    Just for those that don't know- UHMW=Ultra High Molecular Weight plastic. Good ****, Maynard. I used it to line rock chutes and Readymix barrels. It wears forever, even outperforms scandia plate.
     
  12. Scott
    Joined: Dec 23, 2004
    Posts: 2,773

    Scott
    Member


    How does it differ from HDPE I used that to mount my body
     
  13. k55f5r
    Joined: Dec 8, 2007
    Posts: 54

    k55f5r
    Member
    from SoCal

    From Wikipedia-
    It's denser..
     
  14. Mr48chev
    Joined: Dec 28, 2007
    Posts: 35,967

    Mr48chev
    ALLIANCE MEMBER

    You can find UHMW at most commercial plastics supply houses. Redwood Plastics for one. The white is usually food grade and is sold to food processing plants. Check plastic/plastics in the phone book. As one of the other guys said you should be able to buy s****s and not have to buy large quanities.
     
  15. tdoty
    Joined: Jun 21, 2006
    Posts: 821

    tdoty
    Member

  16. excellent tech C9 / subscibed!
     
  17. Wicked Tin
    Joined: Oct 17, 2007
    Posts: 1,153

    Wicked Tin
    Member

    Very good info for an upcoming project of mine, thanks!!
     

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