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Thread: Miniature lantern tool post

  1. #1
    mklotz mklotz's Avatar
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    Miniature lantern tool post

    Ok, this is a bit of a joke but it took as long to make as if it were a practical size. It's a functional lantern tool post complete with rocker and bit ground with the proper angles to cut threads.






    It was made to fit on my working dollhouse scale (1/12) metal lathe, made from a casting set obtained from PM Research. This picture shows it in place on the cross slide.


    Last edited by mklotz; 07-23-2017 at 10:03 AM.
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  2. The Following 6 Users Say Thank You to mklotz For This Useful Post:

    Christophe Mineau (01-19-2016), gunsgt1863 (11-17-2017), jjr2001 (12-22-2017), kbalch (01-17-2016), Paul Jones (01-19-2016), PJs (01-19-2016)

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    Content Editor DIYer's Avatar
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    Thanks mklotz! We've added your Miniature Lantern Tool Post to our Machining category, as well as to your builder page: mklotz's Homemade Tools. Your receipt:


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    Al8236's Avatar
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    Looks good, that's working in miniature! Now are you going to attempt some itty bitty Armstrong bit holders?
    From the time you're born till' you ride in a hearse, there's nothing so bad it couldn't be worse!

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    mklotz mklotz's Avatar
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    Quote Originally Posted by Al8236 View Post
    Looks good, that's working in miniature! Now are you going to attempt some itty bitty Armstrong bit holders?
    The lathe prototype is early Victorian so I think it predates the Armstrong holder. However, I did build a working four jaw independent chuck for it...



    The chuck is 1" in diameter. Setscrews are used to move the jaws, hence the somewhat inaccurate hexagonal chuck wrench.
    Last edited by mklotz; 07-23-2017 at 08:48 AM.
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    Marv,

    Really nice miniature machining work on the tools. What is the thread size of the clamping screw on the lantern tool post? Looks extremely small. Thanks for posting,

    Paul

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    mklotz mklotz's Avatar
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    Quote Originally Posted by Paul Jones View Post
    Marv,

    Really nice miniature machining work on the tools. What is the thread size of the clamping screw on the lantern tool post? Looks extremely small. Thanks for posting,

    Paul
    The screw is a 0-80 SHCS - not easy to find those, or the wrenches to fit them.

    I can remember when I started building miniatures that a 2-56 thread looked impossibly small; I'd never be able to tap that without breaking the tap. But, the longer you work in miniatures, the bigger this stuff seems to become. With the proper (homemade) tooling, 1-72 and 0-80 are perfectly doable. To date, the smallest I've done is 00-90. I have a tap for 000-120 but, thankfully, a situation requiring that has never arisen.


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