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Thread: Turning Calipers Question

  1. #1
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    Turning Calipers Question

    Today I dropped my small calipers i use to make tenons (see below). I have played with this dang thing on and off all day long trying to get it to clamp back on and have not been able to get it back on.
    Anybody know a easy way to get the clip back on ?
    Attached Thumbnails Attached Thumbnails P1010001.jpg   P1010002.jpg   P1010003.jpg  
    First you have to learn the rules - Beginner
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  2. #2
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    Try turning the adjustment screw to the most wide open position; then see if the top will go on.

    More ideas:

    I have some spreader pliers; lot of good that does you, however, they were quite inexpensive.
    Harbor Freight sells calipers for a low price.
    Make a wooden caliper; after all you probably are not after a specific measurement but the ability to repeat a diameter.

    Just some quick, probably useless, ideas off of the top of my old head.

    Enjoy,

    JimB
    First of all you have to be smarter than the machine.
    VOTING MEMBER

  3. #3
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    Yer missing a part. There is supposed to be a pivot pin (for lack of a better term) there. Search yer floor.
    "Folks is funny critters."

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    Frank nailed this one.
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    Ron

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  5. #5
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    Yep you can see it here....

    Click image for larger version. 

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  6. #6
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    I was unable to find the missing part - but using the spreader pliers I was able to put the clip back on to hold them together - not accurate as a new pair with the parts but it works and hold the diameter good enough to make tenons................so thanks to everybody I appreciate it
    First you have to learn the rules - Beginner
    Then you have to learn advanced rules - Professional
    Then you disregard the rules - This takes you to the master level................

  7. #7
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    i use a slightly different caliper when turning tenons and such.
    Attached Thumbnails Attached Thumbnails vernier-caliper-use.jpg  
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  8. #8
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    I seldom actually measure a tenon after cutting it. I mark it, cut it, and go. I use calipers like Dan broke, and set them at the approximate width I want. (I'm not too worried about accuracy...it's not rocket surgery.) I cut a smooth spot on what will be the tenon end of the workpiece, then carefully hold the calipers against the wood as it's spinning on the lathe to mark the tenon size on the wood. The tips on my calipers are rounded with no sharp corners, so I end up with a faint line burnished into the wood that I can use as a guide for sizing the tenon. Works fast and is as accurate as I need. You don't want to try this with sharp-tipped calipers, though. DAMHIKT
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  9. #9
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    Quote Originally Posted by Dan Mosley View Post
    I was unable to find the missing part - but using the spreader pliers I was able to put the clip back on to hold them together - not accurate as a new pair with the parts but it works and hold the diameter good enough to make tenons................so thanks to everybody I appreciate it
    you might be able to replace the pivot part with a small bolt section dan
    If in Doubt, Build it Stout!
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  10. #10
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    The small bolt idea is good and ill use it if it does not hold together - For now it seems to hold after i open the clip with spreader pliers and put it back on....It may not be precise as it once was but I only need it to hold in a position........... I have two of these calipers (old rusty) set to sizes for my supernova jumbo jaws chuck and the other to spigot type jaws. I turn the tenon like Vaughn mentioned and use them to quickly just check the size, then with a parting tool or whatever I have at hand make the dove tail. For me its a very quick way to ensure the size is correct - held in one hand lightly as i get close to the size and with the rounded corners is a safe way to do it.
    I have seen others use compass, wrenches etc......there are other ways but this is they way I have settled on as I only have these 2 chucks and they can do anything I have needed.

    I do have a set of calipers like the ones Dan Noren pictured above - but it has sharp corners - I use this one for much more percise measurements like finials so they fit tightly - or on boxes to make sure lid and box fit snug.
    First you have to learn the rules - Beginner
    Then you have to learn advanced rules - Professional
    Then you disregard the rules - This takes you to the master level................

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