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Thread: Upgrading to hardened rails on a prt

  1. #1
    Join Date
    Sep 2015
    Location
    South Carolina
    Posts
    2

    Default Upgrading to hardened rails on a prt

    Just received my new hardened rails for my prt. Can someone tell me if i need to drill my holes on my new rails to fit my table or did I maybe get the wrong rails. my bolts on my table are much larger than the holes in the new rails. or am I missing something being a newbe at this.. thanks for any advise.

  2. #2
    Join Date
    Sep 2013
    Location
    Lakin KS
    Posts
    220

    Default

    Watching with interest as this is something I've thought about doing.
    Tom Bachman,
    Drafting/Woodworking Instructor RETIRED!
    Lakin, Kansas

    2001 PRT4896

  3. #3
    Join Date
    Sep 2006
    Location
    cnc routing, portland or
    Posts
    3,489

    Default

    Want to do it but I have this massive wooden table with angle iron rails then the shopbot rails attached to those.

  4. #4
    Join Date
    Mar 2004
    Location
    Delray Beach, FL
    Posts
    3,535

    Default

    When I did mine I drilled the existing rail to match the hardened rail on the y.
    For the X I changed out the existing angle for a square extrusion with a solid aluminum pillow block on top that was drilled and tapped to match hardened rail.

  5. #5
    Join Date
    Apr 2007
    Location
    Marquette, MI
    Posts
    3,217

    Default

    I've done a few of these. On the PRT with aluminum extrusion side rails the holes do not need to be drilled out. The models that have a steel "C" channel use larger bolts, so yes they need to be drilled to a larger size.
    Gary Campbell
    CNC Training & Technology
    GCnC411(at)gmail(dot)com
    http://www.youtube.com/user/Islaww1
    www.cncseminars.com


    "We can not solve our problems with the same level of thinking that created them"
    Albert Einstein


  6. #6
    Join Date
    Sep 2015
    Location
    South Carolina
    Posts
    2

    Default

    Thanks everyone, drilling begins..

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