Subject:
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Re: I wish Lego made an "Anti-Backlash Gear"
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 4 Apr 2001 04:52:15 GMT
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Original-From:
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Steve Baker <{sjbaker1@airmail}StopSpammers{.net}>
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Reply-To:
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SJBAKER1@spamcakeAIRMAIL.NET
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Viewed:
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5152 times
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Eric Sophie wrote:
>
> The CD-Rom does not explaiin how to use this piece, but in an earlier post I
> wrote:
>
> Ok, this is called a "Slip Gear" or "Torque Gear" It is used to prevent over
> rotation by means of an internal clutch, the 2.5 - 5.0 NCM I belive means
> the range of operable force applied before the clutch disengages. Nano
> Centemeter of force.
(I think we established that this is Newton centimeters - a force of between
two and a half and five Newtons applied at a distance of one centimeter will
cause the gear to slip...or half that at 2cm, a third at 3cm and so on).
> They are really very handy if you can gear them for the proper application.
That's true - but I find they are almost always WAY too stiff for the
applications I have - by the time they've started to slip, the motor
has usually stalled - or ripped the robot to bits.
--
Steve Baker HomeEmail: <sjbaker1@airmail.net>
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HomePage : http://web2.airmail.net/sjbaker1
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Message has 2 Replies:
 | | Re: I wish Lego made an "Anti-Backlash Gear"
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| (...) Hmm interesting. I only have one clutch gear (the one that came with RIS 1.5), and it is too *loose* to really be at all functional. I've also read that the clutch force tends to drop in them the more they are used. (23 years ago, 4-Apr-01, to lugnet.robotics)
| | | Re: I wish Lego made an "Anti-Backlash Gear"
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| Oh , right , Newtons , I was saying Nano centameters! thanks....I guess you need a fair amount of gearing and distance to use these gears effectivly along with opposing resistance, I love the way it works in the hand I developed, infact in included (...) (23 years ago, 4-Apr-01, to lugnet.robotics)
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Message is in Reply To:
| | Re: I wish Lego made an "Anti-Backlash Gear"
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| The CD-Rom does not explaiin how to use this piece, but in an earlier post I wrote: Ok, this is called a "Slip Gear" or "Torque Gear" It is used to prevent over rotation by means of an internal clutch, the 2.5 - 5.0 NCM I belive means the range of (...) (23 years ago, 4-Apr-01, to lugnet.robotics)
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