Finger Joints

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  • unclecritic
    Forum Newbie
    • Feb 2008
    • 99
    • Michigan
    • Craftsman 21829, (2) bt-3100's

    Finger Joints

    Anybody ever play around with the idea of a finger joint jig that works with the smt? I havent been in front of my saw recently, so I'm not even sure of the possibilty. One of my consumers wants some storage cubes built and wants a cool looking joint.
  • leehljp
    Just me
    • Dec 2002
    • 8463
    • Tunica, MS
    • BT3000/3100

    #2
    Lee (Stytooner) posted a Finger/Box joint jig way back when and it is occasionally referred to in different posts from time to time.

    Check this post out:

    http://www.bt3central.com/showthread...=Box+joint+jig

    I just found this - A quick jump to the specific jig that works in conjunction with the SMT table can be seen here on his site:
    http://www.leestyron.com/lynnjig.php
    Hank Lee

    Experience is what you get when you don't get what you wanted!

    Comment

    • unclecritic
      Forum Newbie
      • Feb 2008
      • 99
      • Michigan
      • Craftsman 21829, (2) bt-3100's

      #3
      Thanks for the reply

      Man, that thing is pretty slick...

      I could bang out alot of cubes in a short amount of time with that... I think I know what I'm doing on sunday

      Comment

      • rnelson0
        Established Member
        • Feb 2008
        • 424
        • Midlothian, VA (Richmond)
        • Firestorm FS2500TS

        #4
        I think I must be a little obtuse. How does that jig work? I didn't see any spacer to ensure that the joints are all the same width.

        Comment

        • mschrank
          Veteran Member
          • Oct 2004
          • 1130
          • Hood River, OR, USA.
          • BT3000

          #5
          Originally posted by rnelson0
          I think I must be a little obtuse. How does that jig work? I didn't see any spacer to ensure that the joints are all the same width.
          I think it relys on turning the crank a specific number of times to move the carriage over.
          Mike

          Drywall screws are not wood screws

          Comment

          • LCHIEN
            Internet Fact Checker
            • Dec 2002
            • 21071
            • Katy, TX, USA.
            • BT3000 vintage 1999

            #6
            Originally posted by rnelson0
            I think I must be a little obtuse. How does that jig work? I didn't see any spacer to ensure that the joints are all the same width.
            using a 3/8-16 thread per inch threaded rod, you make a cut, then turn the crank a specific number of turns. For example, for 1/4" fingers, use a 1/4" dado blade, make a cut, then turn the crank precisely 8 turns to move the carriage 1/2" (8 x 1/16th per turn) then make the next cut.
            Rinse. repeat.
            Loring in Katy, TX USA
            If your only tool is a hammer, you tend to treat all problems as if they were nails.
            BT3 FAQ - https://www.sawdustzone.org/forum/di...sked-questions

            Comment

            • Greg.B
              Established Member
              • Feb 2006
              • 166
              • Joppa, Maryland
              • Ryobi BT3100

              #7
              Another easy (perhaps easier) jig to make is one where using a say 1/4" dado blade. You make a 1/4" runner out of a piece of hardwood, and glue it onto a base. As you cut the first finger, you put that on the runner and that gives you a 1/4" space, as long as the blade is a 1/4" from the runner.

              Its alot easier to do this way on a router.
              Former Member Name - JohnnyTest

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