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Type: Posts; User: michiganbuck

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    Here a guy trueing a collet holder, much like one...

    Here a guy trueing a collet holder, much like one might true a faceplate.
    But doing it wrong IMHO. I would have blued tested it to the machine spindle register and then tested the ID to see what...
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    A decent 3 jaw with an adjustTrue backplate seems...

    A decent 3 jaw with an adjustTrue backplate seems your best bet.

    You might blue and tighten your current faceplate to your spindle nose to see it mates good, then indicate and check to see if it...
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    One might buy soft jaws and tool then good, but...

    One might buy soft jaws and tool then good, but of the chuck is shot that may not help at different diameters.
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    Could be the chuck is shot but first go down the...

    Could be the chuck is shot but first go down the checklist Likely/perhaps you have and not reported your findings. (the target expected)
    Indicate the chuck OD and face for run-out ( <.003 each)...
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    Many good ideas here ..the op might try some just...

    Many good ideas here ..the op might try some just to gain experience.

    all and indicating the chuck face and OD, and indicating the backplate face might be good.

    Another one would/ might be to...
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    And that they are in the right place with...

    And that they are in the right place with numbering them first and then moving about.
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    If your mounting plate runs true at the face and...

    If your mounting plate runs true at the face and there is .010 of clearance at the holding screws, you might soft hammer knock and then tighten the chuck that amount and may be able to achieve a...
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    A good trick when you can do it is to have a...

    A good trick when you can do it is to have a little extra stock and finish a part between centers.

    Do all IDs from one end, then skim the OD and part-off the part so it is true even with a crap...
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    and post the numbers, that photo is not very...

    and post the numbers, that photo is not very clear.
    Could be a bug or burr between the chuck and mounting plate, check that the mounting plate is/runs flat true, check that the spindle register is...
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