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here is a new jig I made - Router Bit Vise

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  • here is a new jig I made - Router Bit Vise

    Who wants to guess what it is?
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    Last edited by LCHIEN; 09-12-2011, 09:53 PM.
    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

  • #2
    Looks like it holds dowels of varying diameters, but to what purpose I don't know ... machining their ends on the router table, or drilling through their centers?
    Larry

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    • #3
      I thought so too (to hold dowel-like things), and looking at the serious grips (2 bolts at either end), seems to be to hold against some stress. Maybe to hand-plane (or machine against the router, like Larry said).

      I have a jig to drill thru pen blanks, but just one end has a teensy hinge, the other end is open to be gripped with a clamp. So am anticipating this one is for more.

      what's that in the middle - a handle, or a lever?
      It is the mark of an educated mind to be able to entertain a thought without accepting it.
      - Aristotle

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      • #4
        Originally posted by radhak View Post
        looking at the serious grips (2 bolts at either end), seems to be to hold against some stress
        Note that there's a saw kerf, probably made with a band saw, running through the center of the outermost holes and ending at the innermost holes. This is to provide clearance so that when the bolts are tightened, they will squeeze the jig's "halves" together around whatever is in the holes.

        The shadowy object at center stumped me, too. I now think it is one of those clamps that is usually used to hold an attachment onto a rip fence, like this. If so, that would indicate the jig is pictured in its working position. If so, that the jig is clamped to what looks like a router table could be a red herring.

        I also wonder whether the presence of the mechanical pencil is a clue.
        Larry

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        • #5
          You want to hold bolts to alter the head?

          Seems like I saw a bolt somewhere in the past few days in which a flat blade screwdriver notch was added. It was done professionally . . . and that would probably be you, IIRC. Could be wrong, but taking a stab at it.
          Last edited by leehljp; 06-16-2011, 09:00 AM.
          Hank Lee

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

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          • #6
            its not to hold dowels, but everything else is on the right idea, the fence clamp ID and use is correct, you just haven't got the specific use ID'd yet.

            The mechanical pencil is for scale. No red herrings.
            Last edited by LCHIEN; 06-16-2011, 09:24 AM.
            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


            • #7
              A tablesaw alignment gauge?
              Donate to my Tour de Cure


              marK in WA and Ryobi Fanatic Association State President

              Head servant of the forum

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              • #8
                Before we go any further: Happy Birthday, Loring! Oh hey -- is this jig used to hold the candles while you light them?

                Hank's guess makes me realize that while I automatically assumed a wooden workpiece, it wouldn't have to be. Alter the head of a bolt? Cut it off? Cut new threads?

                Another thought I had was that this is used to hold router bits while you touch them up with a diamond hone. But you wouldn't need four different hole sizes for that, unless the other two are for Forstners or whatever.
                Larry

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                • #9
                  Probably wrong, but on first glance it resembles a wooden version of the "router bit vise" that has been in Woodpeckers weekly email for the past couple of weeks (for about $100 IIRC.)
                  Bill

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                  • #10
                    Originally posted by os1kne View Post
                    Probably wrong, but on first glance it resembles a wooden version of the "router bit vise" that has been in Woodpeckers weekly email for the past couple of weeks (for about $100 IIRC.)
                    +1. That's a good guess.

                    .

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                    • #11
                      Router Bit vise seems like the most plausible
                      I love lamp.

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                      • #12
                        Originally posted by LarryG View Post
                        Before we go any further: Happy Birthday, Loring! Oh hey -- is this jig used to hold the candles while you light them?

                        Hank's guess makes me realize that while I automatically assumed a wooden workpiece, it wouldn't have to be. Alter the head of a bolt? Cut it off? Cut new threads?

                        Another thought I had was that this is used to hold router bits while you touch them up with a diamond hone. But you wouldn't need four different hole sizes for that, unless the other two are for Forstners or whatever.
                        If you compare the scale of the pencil to the holes, the two holes on the end would be about right for 1/4" & 1/2" shank router bits. The holes at the end of the kerf are very likely there to prevent the clamp from splitting past the end of the kerf. Stress relief holes, in engineering terms.

                        Comment


                        • #13
                          yeah you guys - Larry and OS1Kne got it.
                          I saw that router bit vise in Woodpeckers and I thought, "that has some good uses".
                          1. in my book touching it up with a diamond hone is easier if the bit is held steady
                          2. assembling bits with multiple slot cutters and or bearing guides
                          3. holding bits by hand is possibly dangerous since they have razor sharp edges, pulling or pushing on a held bit can slice you hand.

                          Woodpecker as usually has cool stuff but $99 for a 1/2" only vise, and another $99 for a 1/4" vise (or a set of jaws 1/4" to change the vise over, $40) was kind of high, I thought. I figured I could do better than that.
                          So with a bit of thinking I made my own. Version 1 Seems to work fine - about 15 minutes of design and maybe less an hour total in the shop (I work slow), and less than 50 cents worth of 1/4-20 bolts and wingnuts.

                          JKing is right the medium size holes are to keep the slot from splitting and give a pivot point for the clamping arm thats made.

                          the thin piece on the front is a lip to keep the jig from rotating if you apply torque to one of the bits unscrewing the nuts or screws that hold the cutter stacks or bearings together.

                          I carefully kept everything above the top clear to have unobstructed access to the bit... hence the fence clamp to hold it to the table. Everyone has one of these laying around, I hope... Rocklers is the best (See my review on BT3 reviews)

                          More pictures tonight.

                          Larry, thanks for the BD wishes.
                          Last edited by LCHIEN; 06-16-2011, 11:16 AM.
                          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


                          • #14
                            Originally posted by jking View Post
                            Stress relief holes, in engineering terms.
                            Okay, sure. I too thought the outermost holes looked like they might be 1/4" and 1/2". What threw me is that the two inner holes appear, to me, to be just slightly different diameters (left larger than right), as if intended to fit something else. A trick of the perspective of the pic, no doubt.

                            Nice work, Loring. After reading os1kne's reply I looked up the Woodpecker's version since I'd never seen it before. You're right -- $200 for both sizes is just a WEE bit steep (although they do say that with the 1/2" model, you can use a reducer for your 1/4" bits). But even $100 is a little ridiculous for something that can be built so quickly and cheaply. I'm filing this one away for when I get a shop operational again!
                            Larry

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                            • #15
                              Nice work. I've seen it in their email ad for the past couple of weeks and thought that their version was a much too elegant and expensive solution to a simple problem.

                              I like what you've done. I was considering making something similar to stick on the inside of vise jaws with double stick tape, but your version is better.

                              Happy Birthday!
                              Bill

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