Bevel Gearing

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Fig. 1. We may therefore define the term pitch cone as follows The pitch cones of a pair of bevel gears are those cones which, when mounted on the shafts in place of the bevel gears, will drive each other by frictional contact in the same velocity ratio as given by the bevel gears themselves.