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  1. #21
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    Default Re: spoil board help!

    I would recommend a flycutter with insert tooling as well. And I wouldn't laminate at all for spoilboard material. You'll defeat the purpose of having a vacuum for hold down. Just make sure you never use medex or hdm2. Industrial grade mdf is what what you want for a spoilboard. We use 3/4, and surface twice on each when loading a fresh sheet, which makes it 0.71 to start. Surfacing on both faces ensures the best vacuum as the top.01-.02" layer has a high concentration of glue. Good luck man.



  2. #22
    Registered ifeliciano's Avatar
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    Default Re: spoil board help!

    Don't mean to hijack the thread. I do have a spoilboard related question. I finally finished leveling and tramming my Pro2448 (V-Con Rails). I followed the CNCRP video below.
    Everything looked pretty square to me, but when I surfaced the spoilboard, there seems to be a bit of a high spot right in the middle of the board in X. Not much, but I can rock a flat edge ruler
    side to side. See exaggerated image below.

    Any ideas what could cause this? Ive made sure the X-Rail V-bearings and all bolts are adjusted right and everything is tight.







    Attached Thumbnails Attached Thumbnails spoil board help!-spoilboard-jpg  


  3. #23
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    Default Re: spoil board help!

    The rails on your gantry aren't straight, or the bearings are not tight. Put a straightedge on the rails first.

    Gerry

    UCCNC 2017 Screenset
    [URL]http://www.thecncwoodworker.com/2017.html[/URL]

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    [URL]http://www.thecncwoodworker.com/2010.html[/URL]

    JointCAM - CNC Dovetails & Box Joints
    [URL]http://www.g-forcecnc.com/jointcam.html[/URL]

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


  4. #24
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    Default Re: spoil board help!

    Quote Originally Posted by ger21 View Post
    The rails on your gantry aren't straight, or the bearings are not tight. Put a straightedge on the rails first.

    Will take a look at those again.



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