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Thread: Running Glued up Boards in a Planer for CNC

  1. #1
    Join Date
    Mar 2014
    Location
    Iowa USA
    Posts
    4,441

    Running Glued up Boards in a Planer for CNC

    I have got a bunch of aged boards that are nail free and look super when ran through my new DeWalt planer.

    I want to glue them up and run again so I can make signs and designs on my CNC. Titebond glue, will that screw up my brand new planer blades?
    Retired Guy- Central Iowa.HVAC/R , Cloudray Galvo Fiber , -Windows 10

  2. #2
    Join Date
    Jan 2007
    Location
    Ottawa, ON Canada
    Posts
    1,468
    We run glue ups through the planer every day. The hardened glue is harder on blades than the wood, but it does not "ruin" them. Scrape off all the excess, top and bottom, before you plane them.
    Grant
    Ottawa ON

  3. #3
    Join Date
    Mar 2003
    Location
    SE PA - Central Bucks County
    Posts
    65,688
    Scrape off the excess, preferably while it's still pliable, and you'll have zero issues with your planer knives. As Grant mentions, the dried glue is generally harder than the wood, but it still machines fine.
    --

    The most expensive tool is the one you buy "cheaply" and often...

  4. #4
    Agree with all that it is OK. it's best to do it on fastest feed speed ( counterintuitive but true). And don't use multiple
    light passes ,that causes MORE knife damage. Take heavy cut.

  5. #5
    Join Date
    Aug 2017
    Location
    Arlington, TX
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    452
    If you have room (extra planer width), it may help (or provide extra insurance against problems) to run the glue-up at a slight angle, so the glue lines are not hitting the same exact point on the knives over and over.

    -- Andy - Arlington TX

  6. #6
    Join Date
    Mar 2006
    Location
    SoCal
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    22,494
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    The thin glue lines have never been a problem for me. I scrape any squeeze out prior to running them.
    "A hen is only an egg's way of making another egg".


    – Samuel Butler

  7. #7
    Join Date
    Mar 2014
    Location
    Iowa USA
    Posts
    4,441
    Thanks guys, I will scrape off by hand with a sharp chisel , any blobs before I run.
    Retired Guy- Central Iowa.HVAC/R , Cloudray Galvo Fiber , -Windows 10

  8. #8
    I scrape off big chunks of dried squeeze-out but I don't clean it completely. Haven't noted any issues with carbide blades.

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