Addendum

on . Posted in Gear

gear depth 1Addendum, abbreviated as A, is the radial distance of a tooth from the pitch circle to the top of the tooth.

 

Addendum formula

\(\large{ A = \frac{1}{DP} }\) 
Symbol English Metric
\(\large{ A }\) = addendum \(\large{in}\) \(\large{mm}\)
\(\large{ DP }\) = dimetrical pitch \(\large{in}\) \(\large{mm}\)

 

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Tags: Gear Equations