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  1. 29th July 2015, 09:16 PM #46
    nadroj
    nadroj is offline Mechanical Butcher
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    Hallelujah - well done.

    A friend had a Hercus 260 stuck chuck problem that didn't have such a happy ending.
    He removed the spindle from the headstock and thought he'd get away with gripping it in the jaws of a big vice. When it didn't, the spindle was destroyed. The chuck was really stuck fast. We eventually removed the chuck at least, by welding a heavy plate to the spindle so it could be positively gripped. It took a frightening amount of leverage to get it off.

    The moral is: Do not over tighten a threaded chuck. Just wind it gently up to the shoulder, is all it wants.

    Jordan
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  3. 29th July 2015, 09:37 PM #47
    PDW
    PDW is offline SENIOR MEMBER
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    Quote Originally Posted by nadroj View Post
    The moral is: Do not over tighten a threaded chuck. Just wind it gently up to the shoulder, is all it wants.

    Jordan
    The moral is - get a lathe with a camlock or at least L series spindle nose. A problem avoided is a lot better than a problem solved.

    I only have one lathe left with a screwed spindle nose, and it's getting sold as soon as I return home.

    PDW
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