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Thread: Router jig for cutting dovetail and box joints

  1. #1

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    starkw1's Tools

    Router jig for cutting dovetail and box joints

    This is a router table-top jig that can be used to cut either box joints or the slots and tails for dovetail joints

    In the slides below, I use a straight 1/4" router bit to cut box joints and the pins for dovetail joints; a 5/16" 8 degree dovetail bit is used to cut.
    the dovetail slots.

    The DRO makes it easy to accurately cut box and dovetail joints. Box joints don't have to be symmetrical; see examples in Fig. 14.

    The main limitation for dovetail joints is the diameter of the dovetail router bit. 5/16" is the smallest I have found that can cut 3/8" thick material, which is what I typically use.


    Router jig for cutting dovetail and box joints-fig-1.jpg
    Router jig for cutting dovetail and box joints-fig-2.jpg
    Bottom of guide bar is shown on the left of slide 3.
    Router jig for cutting dovetail and box joints-fig-3.jpg
    Router jig for cutting dovetail and box joints-fig-4.jpg
    Router jig for cutting dovetail and box joints-fig-5.jpg
    Router jig for cutting dovetail and box joints-fig-6.jpg
    Router jig for cutting dovetail and box joints-fig-7.jpg
    Router jig for cutting dovetail and box joints-fig-8.jpg
    Router jig for cutting dovetail and box joints-fig-9.jpg
    Router jig for cutting dovetail and box joints-fig-10.jpg
    Router jig for cutting dovetail and box joints-fig-11.jpg
    Router jig for cutting dovetail and box joints-fig-12.jpg
    Router jig for cutting dovetail and box joints-fig-13.jpg
    Router jig for cutting dovetail and box joints-fig-14.jpg

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  2. The Following 8 Users Say Thank You to starkw1 For This Useful Post:

    brut24 (Dec 11, 2020), Christophe Mineau (Nov 30, 2018), Excalibur_ (Jan 28, 2019), HerbW (Nov 30, 2018), Jon (Nov 30, 2018), Paul Jones (Dec 1, 2018), PJs (Dec 1, 2018), rossbotics (Dec 2, 2018)

  3. #2
    Supporting Member Christophe Mineau's Avatar
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    Nice ! it recalls me something
    Cheers !
    Christophe
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  4. #3

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    Quote Originally Posted by starkw1 View Post
    This is a router table-top jig that can be used to cut either box joints or the slots and tails for dovetail joints

    In the slides below, I use a straight 1/4" router bit to cut box joints and the pins for dovetail joints; a 5/16" 8 degree dovetail bit is used to cut.
    the dovetail slots.

    The DRO makes it easy to accurately cut box and dovetail joints. Box joints don't have to be symmetrical; see examples in Fig. 14.

    The main limitation for dovetail joints is the diameter of the dovetail router bit. 5/16" is the smallest I have found that can cut 3/8" thick material, which is what I typically use.


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    Bottom of guide bar is shown on the left of slide 3.
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    Nice, would you have any plans for the jig or a website?

  5. #4

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    starkw1's Tools

    Router jig for cutting dovetail and box joints

    Quote Originally Posted by HerbW View Post
    Nice, would you have any plans for the jig or a website?
    Sorry, I do not have any plans if you are thinking CAD files. I did the layout of the carriage plate in PowerPoint (don't laugh). I am struggling to learn Fusion 360, but I am not there yet.

    Thanks for looking.

    Warren

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    PJs (Dec 1, 2018)

  7. #5

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    No, I don't no have a CAD and would not know how to operate it. I just like your jig and would like to build one some day.

  8. #6

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    starkw1's Tools

    More slides for Router Table Jig

    Here are some slides that might be helpful if you want to make this jig. Additionally, I bought the Vbearings on eBay (I think like these https://www.ebay.com/itm/New-4pcs-RM...Q6LN:rk:1:pf:0) , and the 12" iGaging DRO from Amazon

    One could probably make this from hardwood (maple), though you would need to make the carriage plate thicker since it is actually part of the workpiece clamping system and sees pretty high forces with the screws as it is configured now. There could be a different way to do that part of the jig.


    Good luck.

    Router jig for cutting dovetail and box joints-fig-15.jpg
    Router jig for cutting dovetail and box joints-fig-16.jpg
    Router jig for cutting dovetail and box joints-fig-17.jpg
    Router jig for cutting dovetail and box joints-fig-18.jpg
    Router jig for cutting dovetail and box joints-fig-19.jpg
    Router jig for cutting dovetail and box joints-fig-20.jpg
    Router jig for cutting dovetail and box joints-fig-21.jpg

  9. The Following 2 Users Say Thank You to starkw1 For This Useful Post:

    Jon (Dec 2, 2018), PJs (Dec 1, 2018)

  10. #7
    Supporting Member rossbotics's Avatar
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    Nice work, great write up, thanks for sharing

    Doug
    Comments are always welcome
    Doug

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  11. #8
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    Thanks starkw1! We've added your Router Jig to our Routing category, as well as to your builder page: starkw1's Homemade Tools. Your receipt:




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