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 05:21:11 GMT
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Viewed:
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4873 times
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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 a touch sensor in the thumb inorder to reverse
directions automatically, but the gear works so well, I often just rely on
timming, when using the Arm in an unofficial testing manner....Eric
In lugnet.robotics, sjbaker1@airmail.net writes:
> 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.
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Message is in Reply To:
 | | Re: I wish Lego made an "Anti-Backlash Gear"
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| (...) (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). (...) That's (...) (23 years ago, 4-Apr-01, to lugnet.robotics)
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