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Old Oct 21, 2003, 11:07 PM
Registered User
Oklahoma City
Joined Oct 2003
94 Posts
More GWS motor questions

On all the specs on GWS IPS, EPU, & EPS motor/gearboxs, it has a line that says (M0.4) or (M0.3) followed by the number of teeth in the 2 gears. What does the M0.4 and M0.3 indicate?
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Old Oct 22, 2003, 05:26 AM
Registered User
Greenfield, OH
Joined Jul 2002
33 Posts
It's the pitch of the gear teeth. "MO" stands for Modulus, I believe. If you multiply the number of teeth by the modulus, you will get the pitch diameter of the gear in millimeters. In this country, our pitch is expressed, basically, as " teeth per inch"; a 48 tooth gear in 48 pitch will have a pitch diameter of 1". Metric gears are expressed in "mm tooth to tooth", while we use "teeth per inch". Threads on bolts work the same way. requires a new way of thinking.

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