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Thread: Eliminating Pockets

  1. #1
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    Eliminating Pockets

    Hi Everyone,

    I'm trying to get this guitar body ready for the cnc. I think it would be much better to eliminate the pockets for the pickups, neck socket and hardware holes. That way, I could machine the surface of the body as a whole, then use pocketing tools to machine out the cavities and drill routines to bore the hardware holes.

    Question is: Now that I have created these pockets, how do I put a surface back over them? I would like to leave the bottom of the pockets there. I would then have a reference to do the pocketing routine. I have tried researching the manual to no avail. I also tried deleting the poly-surfaces of the pockets and then trying the rebuild command but it didn't work.

    Any help would be greatly appreciated.

    Thanks,
    Chris R.
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  2. #2
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    On most of them you can do an untrim command and select the edge of the hole. Since a NURB surface is a big square when you untrim it, it removes the trim information which makes the hole.

    On the neck pocket: Duplicate the edges (dupedge) draw a line to connect the front and then do a edgesurf or whatever to create a cover surface. This approach won't build a duplicate but it should be close enough to keep your bit from falling in the hole.

    Nice work. I generally keep a copy of a surface like a top for machining and then make the pretty one with the cavities.


  3. #3
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    Randman, thanks for the tips! I'll give'em a try.
    Chris


  4. #4
    JOM
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    Chris,

    It is also possible to use Patch.
    1) Use Solid Tools-Extract surface and extract the top surface.
    2) Use Curve from Object-Duplicate border and duplicate the borders of the trimmed top surface.
    3) Use Surface-Patch and create patch surfaces from the borders of the pockets.

    I also did create some sample toolpaths in madCAM on your model. I am not sure if this is the way you would like to have it but I hope it will give you some help.

    Joakim
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  5. #5
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    Joakim, that is exactly what I wanted to do! And that's exactly how I wanted to machine the part. Thank you very much! I'll let you know how it works on the cnc.

    Thanks,

    Chris R


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