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Anonymous Poster

How to Calculate Gear Ratio for Single Stage Planetary Gear Train

08/29/2010 8:22 PM

I am designing a drive train that uses the single stage PGT mechanism. However, i am not sure of how to calculate the gear ratio when the input selected is the planet carrier and the output is the anulus. Here, the sun gear is fixed. I understand that this configuration makes the anulus turn faster than the carrier but am not sure of the formula to be used.

Rgds,

M.Mureli

(Malaysia)
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
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#1

Re: How to Calculate Gear Ratio for Single Stage Planetary Gear Train

08/29/2010 9:58 PM

This site might help: http://en.wikipedia.org/wiki/Epicyclic_gearing

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Anonymous Poster
#2
In reply to #1

Re: How to Calculate Gear Ratio for Single Stage Planetary Gear Train

08/29/2010 10:46 PM

Thanks for the link but it was not very informative on the actual formulas i needed.
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Anonymous Poster
#3
In reply to #2

Re: How to Calculate Gear Ratio for Single Stage Planetary Gear Train

08/30/2010 8:58 AM

Check it

It has a sample calculation and also some animations to boot.
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