Subject:
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RE: Friction Pulley question
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 24 Jan 2000 18:23:57 GMT
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Original-From:
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Tilman Sporkert <tilman@activesw.!spamcake!com>
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Viewed:
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2905 times
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I doubt that the pulley gear with the rubber insert is meant for slipping. I
think it's rather the opposite - provide a firm grip on an axle so that it won't
slip sideways. That's important for the micromotor - it only has a very short
stub axle.
To allow for slippage, either use a white clutch disk, or a pair of pulleys with
a rubber band.
Tilman
> This pulley was mentioned in Dave Baun book (scanbot, page 167).
> Did anybody use the friction pulley from mindstorms kit to do connect 2
> axles? It has a cross hole on one end and a rubber ring in the other that
> seens to fit an axle.
>
> It seens it could be an option to any situation where you don't want the
> motor to get stucked when the second axle stops, like steering mechanisms.
> But I did not see any robot using it yet.
>
> Mauro Vianna
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Message has 1 Reply:
 | | Re: Friction Pulley question
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| (...) I think they would have designed the micro motor differently if they didn't want it to slip. ___...___ You hear, O LORD, the desire of the afflicted; you encourage them, and you listen to their cry --Psalms 10:17 (27 years ago, 24-Jan-00, to lugnet.robotics)
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Message is in Reply To:
| | Friction Pulley question
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| This pulley was mentioned in Dave Baun book (scanbot, page 167). Did anybody use the friction pulley from mindstorms kit to do connect 2 axles? It has a cross hole on one end and a rubber ring in the other that seens to fit an axle. It seens it (...) (27 years ago, 24-Jan-00, to lugnet.robotics)
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