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Thread: Improvements to the quill lock on a milling machine.

  1. #1
    [email protected] tonyfoale's Avatar
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    Improvements to the quill lock on a milling machine.

    This is probably the simplest post that I have made here, but the ratio of utility to effort is very high.
    The video says it all.



    Other tool videos at https://www.youtube.com/playlist?lis...O1hdmUIYO28Def

  2. The Following 8 Users Say Thank You to tonyfoale For This Useful Post:

    Corm (03-28-2019), HUMARIA (03-28-2019), Inflight (03-27-2019), jimfols (03-27-2019), mwmkravchenko (03-28-2019), Seedtick (03-27-2019), Tonyg (03-28-2019), warsztatOdZera (03-28-2019)

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    jimfols's Avatar
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    Thanks Tony,
    Manys the time I have looked at or touched that quill lock to make sure it was not snugging up. I never dreamed of such an easy fix.
    Jim

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    Of all the features making knee mills what they are; their quill lock might be the worst. It's conveniently placed but infrequently used. All kinds of aftermarket solutions have popped up; springs, magnets, counter-weights, none stayed on market long.
    It's good its found a way into the forum.

    Reversing the assembly is less common now, but an old practice.
    Probably due turnover of less committed machinists, with fewer experienced mentors.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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    Very clever Tony

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    Neat! And it didn't cost a dime.
    Paul A.

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    [email protected] tonyfoale's Avatar
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    Quote Originally Posted by Toolmaker51 View Post
    All kinds of aftermarket solutions have popped up; springs, magnets, counter-weights, none stayed on market long.
    I didn't know that commercial solutions existed.

    Quote Originally Posted by Toolmaker51 View Post
    Reversing the assembly ......., an old practice.
    I didn't know that either. I often reinvent the wheel.

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    Content Editor DIYer's Avatar
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    Thanks tonyfoale! We've added your Quill Lock Modification to our Machining category,
    as well as to your builder page: tonyfoale's Homemade Tools. Your receipt:




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    When I postedt those goofy remedies, even googling them, pulled up zero. One was called "Quill Cock"; a molded plastic counterweight in red - profile of a rooster.

    They'd been better off, compelled to front mounting; use a left hand thread for CCW operation and some kind of adjustment so it would lock without interference from casting.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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    [email protected] tonyfoale's Avatar
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    Quote Originally Posted by Toolmaker51 View Post
    They'd been better off, compelled to front mounting; use a left hand thread for CCW operation and some kind of adjustment so it would lock without interference from casting.
    Both good points. A LH thread would have cost the factory nothing. An adjustment system might have added a penny or two, but at least they could have provided say 4 to 6 positions for the handle.
    In any case I have found no disadvantage with having a rear mount, I have used the rear mount for over 10 years.


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