12.12 Tool tip radius

A tool tip radius ρaP0* is added to the design is used to remove stress raisers in the finished gear root. A value can be entered for the gear and pinion individually directly into the cells provided.

The sizing button to the side of the cells can be usd to calculate the maximum radius that can be used on top of the tool. It is dependend on the pressure angle and the addendum of the tool.