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Thread: Cutting spirals with a rose engine lathe - GIF

  1. #1
    Jon
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    Cutting spirals with a rose engine lathe - GIF

    Cutting spirals with a rose engine lathe - GIF.


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    high-side (Apr 5, 2019), Metallurg33 (Apr 6, 2019), mwmkravchenko (Apr 4, 2019), PowerMk (Apr 7, 2019), Rangi (Apr 4, 2019), Scotsman Hosie (Apr 4, 2019), Seedtick (Apr 3, 2019), Tenn (Apr 7, 2019), that_other_guy (Apr 6, 2019), Tule (Apr 4, 2019)

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    Supporting Member Scotsman Hosie's Avatar
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    Fascinating — that the spindle is being moved laterally — as well as indexing — to 'bump' into the stationary milling tool.

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    Thanks for pointing that out that the spindle is moving in and out, I missed that ...that is awesome !! I also missed the belt driven milling cutter the first go round and was really scratching my head wondering how it did that ?!!

    Thanks for sharing I love to see how things work

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    Scotsman Hosie (Apr 7, 2019)

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    Supporting Member Toolmaker51's Avatar
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    IIRC Lindsay Publications had texts on Rose Engines. A serious mistake in not collecting a few. They're capable of all kinds of ornate patterns, for flat or contoured profiles, since 1600's, probably earlier.
    https://www.google.com/search?client...y+rose+engines
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    Toolmaker51
    ...we'll learn more by wandering than searching...

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    Supporting Member mklotz's Avatar
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    Some rose engine rabbit holes to explore...

    Nice overview of products made and diagrams of the lathe construction...

    http://resources.conservation-us.org...osg023-011.pdf

    Various videos of rose engines in use...

    Ornamental Turners International

    with an example...



    Louis XVI was a mechanical geek (which may have had something to do with his delay in starting a family with Marie A) and had several ornamental lathes...

    https://www.academia.edu/36018284/Th...Birmingham_UK_
    Last edited by mklotz; Apr 7, 2019 at 12:47 PM.
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    Jon
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    Stumbled on this recently. At $84K, a bit rich for my blood, but still impressive.

    MADE Ornamental Rose Engine


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    $84k. With a lot of ornamentation on a machine tool, clearly for descendants of Louis XVI and commensurate disposable income. Rose turning isn't a big industry, so there is demand, but wonder how many hours are needed to run for return-of-investment, let alone profit?
    Sincerely,
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    ...we'll learn more by wandering than searching...

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    Quote Originally Posted by Jon View Post
    Stumbled on this recently. At $84K, a bit rich for my blood, but still impressive.

    MADE Ornamental Rose Engine

    Incredible! Almost like a mechanical — and mechanically programed — CNC lathe.

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    Jon
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    “Holtzappfel’s Turning and Mechanical Manipulation” (5 volumes) published between 1880 & 1900 is a real mine of information. My late friend, Ken Gaines, kindly lent the set to me. A modern reproduction. I have not been able to buy the whole set, unfortunately.



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