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Thread: Thickness dial caliper

  1. #1
    Supporting Member Christophe Mineau's Avatar
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    Thickness dial caliper

    Hello,
    Still in the instrument making family, here is my thickness dial caliper :



    It has a steel frame, the profile is a T, for stiffness, it is welded.

    My personal touch to this classical tool, is the brace that has the goal to yet stiffen the frame.
    Generally, with this kind of tool, the widest it is, the less stiff it is, but you don't always need to measure a wide plate.
    So I designed this detachable brace, fixed with two bolts.
    If you are making a violin, you do no need a too much throat, so your can benefit from the stiffest configuration, which is the one shown on the picture, with the brace in the center.
    If you are measuring larger plates (guitar/cello) , you can move the brace more on the right or even remove it.
    Even without brace, this construction is quite stiff, if you push with the hand on the arm, you only get maybe 2 to 3 10th of mm bending.

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    Cheers !
    Christophe
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    Visit my Website : http://www.labellenote.fr/
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    All my personal works, unless explicitly specified, are released under
    Creative Commons BY-NC-SA license.

  2. The Following 3 Users Say Thank You to Christophe Mineau For This Useful Post:

    Hotz (Nov 12, 2014), kbalch (Nov 12, 2014), Paul Jones (Nov 12, 2014)

  3. #2
    Supporting Member Captainleeward's Avatar
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    Captainleeward's Tools
    WOW thats a big caliper. :O)

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  4. #3
    Supporting Member Christophe Mineau's Avatar
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    Yes, the luthier always dreams of one day building a double bass
    Last edited by Christophe Mineau; Nov 13, 2014 at 01:10 AM.
    Cheers !
    Christophe
    ________________________________________________________________
    Visit my Website : http://www.labellenote.fr/
    Facebook : La Belle Note
    All my personal works, unless explicitly specified, are released under
    Creative Commons BY-NC-SA license.

  5. #4
    kbalch's Avatar
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    Thanks Christophe! I've added your Thickness Gauge to our Metalworking and Measuring and Marking categories, as well as to your builder page: Christophe Mineau's Homemade Tools. Your receipt:


  6. #5
    Supporting Member Hotz's Avatar
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    Nice..
    Sorry my mistakes in english.
    to share your tip >>> http://www.homemadetools.net/forum/tool-tips-tricks/ <<<

  7. #6
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    Very interesting. I appreciate these luthiery posts, and I didn't realize that considerable precision went into making them.



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