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Thread: Lining Up Holes on Flute !

  1. #1
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    Lining Up Holes on Flute !

    I make flutes. I turn my tubes and then I have to locate 6 holes on the flute body. I have been eyeballing this so far. I do my measuring and place the holes where they need to be but then you can sometimes be off on the tube a little. I have learned to start small so I can move it a lil if need be. But I have wondered if maybe I should get a cross slide vise where I could move the flute on the x-y axis sort of. I want to be more accurate on this step but not be over kill either.....And then if you look at the array of cross slide vises out there you wonder what is good and what isnt...I would love to try one for
    about $100 but I wonder how accurate those are?

  2. #2
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    Does your lathe have an index on it? If so, that could solve your problem.
    Jon

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  3. #3
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    I have a $45 special from HF. Useful for some things, but I'm not convinced that it's the answer to you're problem here. I'm sure higher end ones are better, this one has a solid 1/4"+ of fun out so there is a lot of fiddling to get things lined up. The big problem I see even with a good one is that you still have some fiddly bits to get the piece centered on it unless you diameter is really really consistent.

    I think Jonathans suggestion may be better if you made a jig that ran in the ways of you're lathe with a drill on it, it might be easier to line up on the middle of the piece consistently. I assume you have some sort of template for the hole spacing?

    Cheaper and simpler would be a self centering V block that just rides on a fence on your DP table.

  4. #4
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    I could see how drilling on the lathe, with a jig would be a way of getting the holes centered down the flute but I don't understand how indexing on the lathe would fit in.
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  5. #5
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    [QUOTE=Paul Douglass;388576]I could see how drilling on the lathe, with a jig would be a way of getting the holes centered down the flute but I don't understand how indexing on the lathe would fit in.[/Q

    Paul & Mike

    How would it work to use the lathe index system & make a system where the main frame is clamped to the lathe bed & over the flute & the sliding part sets on top & down over the sides of it with a bushing to drill down through & on the side in-between the fixed part & the movable top part there would be the bullet part from a bullet latch & detents in the fixed part to preset the hole spacing?
    Last edited by Bart Leetch; 12-28-2013 at 04:54 AM.
    "Forget the flat stuff slap something on the spinny thing and lets go, we're burning daylight" Bart Leetch
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  6. #6
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    Quote Originally Posted by Paul Douglass View Post
    I could see how drilling on the lathe, with a jig would be a way of getting the holes centered down the flute but I don't understand how indexing on the lathe would fit in.
    I was just thinking with indexing you can lock it in place so with a jig you could drill a straight line of holes.
    Jon

    God and family, the rest is icing on the cake. I'm so far behind, I think I'm in first place!

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  7. #7
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    The idea on having a drillpress that rode on a jig that ran in the ways of the lathe would work. And use the indexing system.
    I might go with the simpler idea for now.

    Ryan how do you make the V block self centering?

  8. #8
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    Quote Originally Posted by Jonathan Shively View Post
    I was just thinking with indexing you can lock it in place so with a jig you could drill a straight line of holes.
    Ahhh I see. Thank you.
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  9. #9
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    I don't know what the dia. of your turning is, but could you make a drill jig from PVC pipe that fits snug, or close to your turning? Or, if not perhaps you could bore the ID of some PVC pipe, or suitable material, that suit different size turnings. Once turned, you could drill the holes in the PVC pipe using a V-Block to centralize the pipe & set the hole spacings. Then you would have however many drill jigs available for future applications.
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  10. #10
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    I have a low end xy vice from Grizzly. It meets my needs but I would not reccomend for anything precise or repeatable.
    Assuming you bore before turning, how about drilling small diameter pilot holes in the square stock before turning? Just a thought.
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