Question

 Find the minimum number of teeth on gear wheel to avoid undercutting when the 

addendum for stub teeth is 0.84 module and pressure angle is 200

, if gear ratio is 

3:1

Answer 1

The minimum number of teeth on the pinion is given by t = T/G.

= $\frac{0.84}{200}$

= 0.0042

= 42