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Thread: tabs

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  1. #1
    Join Date
    May 2012
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    0

    tabs

    Hi...I'm making progress with my first CNC project. I'm cutting cabinet parts out of a 4 x 8 3/4 cabinet grade plywood. I'm having some problems removing the parts from the 4 x 8. I've been using a sharp chisel to break the tabs. But this occasionally damages the cabinet part. I've tried using a Dremil tool but that process is very slow. Is there a better way?

    Thanks,
    Mazzy

  2. #2
    Join Date
    Apr 2007
    Posts
    8082
    Quote Originally Posted by mazzy View Post
    Hi...I'm making progress with my first CNC project. I'm cutting cabinet parts out of a 4 x 8 3/4 cabinet grade plywood. I'm having some problems removing the parts from the 4 x 8. I've been using a sharp chisel to break the tabs. But this occasionally damages the cabinet part. I've tried using a Dremil tool but that process is very slow. Is there a better way?

    Thanks,
    Mazzy
    Dremel makes a router base for the older 200 series Dremel Tools. Try one of those and use a RotoZip blade that cuts on the side and end. Dremel also sells a carbide tile ceramic tile cutter with the diamond shaped part long enough to reach over 3/4" deep. With the router base you can set the blade depth and just slide it over the tabs to cut through them.
    CarveOne
    http://www.carveonecncwoodcraft.com

  3. #3
    Join Date
    May 2012
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    0

    Dremel parts

    Thanks...Home Depot has a large assortment of Dremel accessories. I'll check them out.

  4. #4
    Join Date
    Mar 2003
    Posts
    35538
    USe a laminate trimmer and flush trim bit to route them off.

    How are you holding down your sheets?
    You may find that if you leave a thin onion skin instead of tabs, that it's easier to remove. Tabs would be my last choice.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

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

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

  5. #5
    Join Date
    May 2012
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    0

    tabs

    Thanks Gerry,

    How would I create a thin onion skin?

  6. #6
    Join Date
    May 2012
    Posts
    0

    tabs

    Gerry,

    Regarding holding down my sheets I have a double 3/4" MDF. The top MDF is the spoilboard. Using drywall screws I hold down my work piece with screws around the outside edges so my bit will miss them. I've thought of using the Raptor setup but their nail gun ($300) is a bit pricey for my right now.

    Mazzy

  7. #7
    Join Date
    Apr 2009
    Posts
    5516
    Like Gerry says, use a trim router and a flush trim bit. Porter Cable makes a 1/4" flush trim bit that would work well. If you use tabs, then try to put them in a less conspicuous spot if possible.

  8. #8
    Join Date
    May 2012
    Posts
    0

    tabs

    I tried a trim router and it works great!!! What was taking me 1/2 hour with the Dremil is now taking me 5 minutes. Thanks for the suggestion.

    Mazzy

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