Subject:
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Re: Discontinuous motion.
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 4 Apr 2002 19:11:04 GMT
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Viewed:
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830 times
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I've uploaded a simple detent mechanism which can be used to stop shafts
creeping round when they're not supposed to. The only drawback is it can get
rather noisy :)
http://www.brickshelf.com/cgi-bin/gallery.cgi?i=147518
(The black shape at the top is supposed to represent an official Lego rubber
band. Yes - this design uses all genuine Lego parts ;)
I'd used this in a similar shaft revolution counter that has been described
earlier in this thread.
JB
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Message has 2 Replies:
 | | Re: Discontinuous motion.
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| I combined Robert Munafo's stepper motor ((URL) and Rob Limbaugh's partial rotation ((URL) to get a working prototype of a base 5 odometer. Hope to post a pic tomorrow. (...) (23 years ago, 5-Apr-02, to lugnet.robotics)
| | | Re: Discontinuous motion. - Geneva-like mechanism
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| I too used a detent mechanism to stabilize this Geneva-like system as I couldn't find a way to achieve the original interlock. Photos and movie at (URL)I've uploaded a simple detent mechanism which can be used to stop shafts (...) (23 years ago, 5-Apr-02, to lugnet.robotics)
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Message is in Reply To:
| | Re: Discontinuous motion.
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| Steve, If the precision is due to the axe slipping while not being driven, you could consider using a pully off a micro-motor. It has a friction slip mechanism at one end, and an axle hole at the other. You could use the axle hole to stablize the (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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