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Thread: Truing up lathe chuck jaws

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  1. #1
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    Truing up lathe chuck jaws

    Robin Rinzetti recently put up a YouTube on how he trues up Lathe chuck jaws that I found very informative. As always, he explains it all very well.

    Pete

  2. #2
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    Quote Originally Posted by Pete Wass View Post
    Robin Rinzetti recently put up a YouTube on how he trues up Lathe chuck jaws that I found very informative. As always, he explains it all very well.

    Pete
    Grind them..and always use the same place on the chuck to tighten the chuck. Of course this is only on a live chuck. Independent chuck doesn't matter unless you're worried about it making up the part it's chucked onto. In that case, indicate a say 1.250 part into the very back of the jaws and dress the jaws for that diameter part...but I don't do that and I imagine it might be tough to indicate the part at the rear most of the jaws. I guess you could machine a part from a single setup, turn the od and bore the id, as well as indicate both a close as possible...then indicate on the id to dress the jaws.
    Last edited by mwezell; 12-01-2022 at 07:55 PM.

  3. #3
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    Oct 2019
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    Quote Originally Posted by Pete Wass View Post
    Robin Rinzetti recently put up a YouTube on how he trues up Lathe chuck jaws that I found very informative. As always, he explains it all very well.

    Pete
    could not find a link
    my chucks all go on to an indexed mark.
    and i have been known to bore one or two

  4. #4
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    Quote Originally Posted by rsmithsr View Post
    could not find a link
    my chucks all go on to an indexed mark.
    and i have been known to bore one or two
    Maybe this one: https://www.youtube.com/watch?v=jhreM8WK4zE . He's usually pretty over-the-top.

    GsT

  5. #5
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    He's at a different level

    Quote Originally Posted by GeneT View Post
    Maybe this one: https://www.youtube.com/watch?v=jhreM8WK4zE . He's usually pretty over-the-top.

    GsT
    than many of us are, that's for sure.

    Pete

  6. #6
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    I finally got around to watching it...

    I finally got around to watching it. What surprised me most was seeing a Shars indicator! (He probably rebuilt it and replaced the sapphire bearings with PCD coated titanium or something, and I just missed that video... ) This one actually seemed within reach of mere mortals.

    GsT

  7. #7
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    Quote Originally Posted by GeneT View Post
    I finally got around to watching it. What surprised me most was seeing a Shars indicator! (He probably rebuilt it and replaced the sapphire bearings with PCD coated titanium or something, and I just missed that video... ) This one actually seemed within reach of mere mortals.

    GsT
    Chuckle chuckle!

  8. #8
    Join Date
    Oct 2019
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    until you buy and test you do not KNOW the quality of a product,
    some are just rebranded quality tools some are cheap knockoffs.
    maybe he bought tested and liked it.

    Quote Originally Posted by GeneT View Post
    I finally got around to watching it. What surprised me most was seeing a Shars indicator! (He probably rebuilt it and replaced the sapphire bearings with PCD coated titanium or something, and I just missed that video... ) This one actually seemed within reach of mere mortals.

    GsT

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