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Try driving a gear off-center (ie put the drive axle of the motor into one
of the other holes in the gear). This may not give you exactly the
behaviour you want though.
Rick Clark wrote:
>
> Hello,
>
> I'm looking for a mechanical (non-robotic) solution to a technic problem I'm
> facing. (I crossposted to robotics, cause you guys think about gears all the
> time, too. Plus, you're really smart and stuff.)
>
> My input is a constantly rotating motor. What I'd like is to add a pause to a
> rotation at every 1/2 turn. That is, I'd like a wheel to turn halfway, then
> pause for a second or two, then turn the rest of the way, then pause again, then
> begin again.
>
> Alternately, it could turn halfway, pause, then turn backward halfway, then
> pause, etc.
>
> I've thought about cam gears, and about pushrods, and the like, but my mind does
> not visualize gears and such very well. Anyone got any bright ideas that could
> help me?
>
> Thanks in advance!
>
> Rick Clark
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Message has 1 Reply:
 | | Re: Mechanical tricks
|
| Rick There's a couple of ways you can do this. The easy and compact way (if you're a grinder) is to cut the teeth off one half of the circumference of the drive gear -- works pretty well. If you want an intermittent motion (although it's not a full (...) (23 years ago, 2-Nov-01, to lugnet.technic, lugnet.robotics)
|
Message is in Reply To:
| | Mechanical tricks
|
| Hello, I'm looking for a mechanical (non-robotic) solution to a technic problem I'm facing. (I crossposted to robotics, cause you guys think about gears all the time, too. Plus, you're really smart and stuff.) My input is a constantly rotating (...) (23 years ago, 2-Nov-01, to lugnet.technic, lugnet.robotics)
|
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