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Thread: Geneva drive - GIFs

  1. #1
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    Altair's Avatar
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    Geneva drive - GIFs

    A Geneva drive is a gear mechanism that translates a continuous rotational movement into intermittent rotary motion.




    An oscilloscope knob with a Geneva drive:




    Previously:

    Wristwatch multi-axis tourbillon - GIF
    Cryptex round lock with USB thumb drive - GIF
    Cam gear GIF
    Direction changing gears GIF
    Cutting gear teeth GIF

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

    baja (Mar 17, 2019), high-side (Mar 18, 2019), jimfols (Mar 16, 2019), KustomsbyKent (Mar 17, 2019), Miloslav (Mar 16, 2019), Rangi (Mar 17, 2019), Scotsman Hosie (Mar 17, 2019), Seedtick (Mar 17, 2019)

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    Supporting Member Scotsman Hosie's Avatar
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    Scotsman Hosie's Tools
    Thanks for an excellent example, of a practical application, for the Geneva mechanical escapement.

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    Supporting Member Toolmaker51's Avatar
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    Toolmaker51's Tools
    Lots of Geneva centered mechanisms in packaging machinery.
    Machines are built around specific containers. They [Geneva] dispense stacked cups into fillers, place and burp lids, date stamp, and rotate for labeling. Usually cups are unstacked by 2 or 3 very long pitched helical grooved bars. The sealing lip has a job before food or other product is introduced.
    Everything is fine until that container manufacturer stops; but the molds re-sell for use elsewhere.
    Like features on cable TV "How It's Made" all the toolmaking somehow never enters the picture. Yogurt just plops out of a tub. No one asks where the tub or rotary measuring valve comes from, and that's why machining is an unsung art.



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    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  5. The Following 2 Users Say Thank You to Toolmaker51 For This Useful Post:

    KustomsbyKent (Mar 17, 2019), Scotsman Hosie (Mar 18, 2019)

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