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I would like to convert a continuous rotation into two 180° intermittent rotations. A standard Geneva drive layout can not do this, is there any variation of a Geneva drive that can do this?

Above is an example of a 4 slot Geneva drive capable of four 90° intermittent rotations.

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  • $\begingroup$ Have a duplicate "cross" on the rhs? Would need a separate shaft though. $\endgroup$
    – Solar Mike
    Aug 1 '17 at 10:27
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It's simpler to add a 1:2 ratio gear ration on the output of the geneva drive to get your 180° rotation per 90° of the intermittent

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    $\begingroup$ Wow, that is incredibly simple. $\endgroup$
    – Morgoth
    Aug 1 '17 at 11:27

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