Subject:
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Re: micro motor sometimes stuck
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 11 Jun 1999 06:26:27 GMT
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Original-From:
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David Kadansky <davidk@pobox.com(antispam)>
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Viewed:
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987 times
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Wow. I never noticed the rubber in those pulleys before.
So you insert the axle just far enough to engage only the rubber lining?
It seems that if you put the axle all the way through there is no slippage.
Hao-yang Wang wrote:
>
> Well, I thought the reason that we always attach that pulley-with-rubber-
> lining thing (See w3.one.net/~hughesj/technica/registry/r_pulley.html
> for "friction pulley") to the micro motor is to avoid stalling the motor
> -- If the torgue is too high the friction pulley will slip. Apparently
> the pulley is not slippery enough.
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 2 Replies:
 | | Re: micro motor sometimes stuck
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| (...) The slippage is supposed to occur between the micro motor and the pulley, not the pulley and the axle. The micro motor uses a stud (rather than an axle) as its output, and you insert that stud into the rubber lining. Cheers, Hao-yang Wang (25 years ago, 11-Jun-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: micro motor sometimes stuck
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| (...) Well, I thought the reason that we always attach that pulley-with-rubber- lining thing (See (URL) for "friction pulley") to the micro motor is to avoid stalling the motor -- If the torgue is too high the friction pulley will slip. Apparently (...) (25 years ago, 11-Jun-99, to lugnet.robotics)
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