Subject:
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Re: Meaning of lettering on white gearwheel.
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 16 Oct 2000 09:10:59 GMT
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Viewed:
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939 times
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> > 2.5 5.0 Ncm 2.5 5.0 Ncm
> >
> > What is the significance of this?
>
> I think Ncm is Newtons per centimeter, but I can't remember how a Newton is
> defined.
>
> So, if you're spinning the drive shaft, and the counter force on the gear • teeth
> is less than 2.5 Ncm, you're fine. If the counter force on the gear teeth is
> 2.5 or greater, you will begin slipping, transferring exponentially less
> rotation until you meet 5.0 Ncm of resistance, at which and beyond, no • rotation
> is transferred at all.
As far as I can tell, the minimum "breakaway" torque would be 2.5 Ncm (which
would be Newtons*cm, or 2.5 Newtons weight, hung 1 cm out, or 1 Newton hung 2.5
cm out (about .22 of a lb, at 1" radius for those of you who work only in
inch). Max breakaway would be 5 Ncm (about 1/2 a lb at 1" radius)
James
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Message is in Reply To:
 | | Re: Meaning of lettering on white gearwheel.
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| (...) I think Ncm is Newtons per centimeter, but I can't remember how a Newton is defined. So, if you're spinning the drive shaft, and the counter force on the gear teeth is less than 2.5 Ncm, you're fine. If the counter force on the gear teeth is (...) (24 years ago, 16-Oct-00, to lugnet.robotics)
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