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Old 14-03-18, 09:34 AM   #3
sinna42
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Join Date: Nov 2012
Location: Stirling
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All you need is the Outside Diameter & the No of Teeth.

OD = (N+2)/P

OD = Outside Diam
N = No of Teeth
P = Diametral Pitch (DP)

For Metric gears

Module = 1/DP
And therefore Module = OD/(N+2)

Hope that helps !
Cheers,
Jim
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