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Thread: Wedged tenons

  1. #1
    Join Date
    Dec 2006
    Herndon VA

    Wedged tenons

    I'm working on my workbench and it calls for wedged tenons for the legs and top trestles as well as the stretchers. I was doing a little reading about wedged tenons. Generally they call for the mortise to be undercut on the ends on onside to create a an angled mortise. This will allow the wedge to create a mechanical joint by flaring out the tenon to fill the mortise. My question is for hard maple I was thinking about making the undercut on the mortise about a 16th on both ends. Is that enough? This is my first attempt at wedged tenons.


  2. #2
    Steve Clardy Guest
    How wide will your wedge be? 1"? or?

  3. #3
    Join Date
    Dec 2006
    Herndon VA
    Steve - the tenons are 1" x 2 1/2" and 1 1/2" x 3" wide. I was going to cut the wedges in the tenons 1/4" from the edge and make them 1/8" wide.
    Last edited by Mike Gabbay; 01-06-2007 at 01:53 AM.

  4. #4
    Steve Clardy Guest
    I'd go an 1/8 or so taper

  5. #5
    Join Date
    Oct 2006
    mike, if you cut the tennons 1/4" away from the edge you`ll need to drill a hole at the end of your cut so the wedge isn`t trying to flex a full 1/4" of maple(splitting is a concern) here`s a really bad drawing....
    Click image for larger version. 

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    [SIZE="1"] associated with several importers and manufacturers.[/SIZE]

  6. #6
    Join Date
    Dec 2006
    Herndon VA
    Tod - That was what I was planning on doing.

    Steve - the 1/8" taper is for the mortise? Instead of my 16th?

  7. #7
    Steve Clardy Guest
    Yes. Taper for mortise and wedge

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