The term "involute" refers ... the axial thrust of spiral gears, and they can operate in both directions. They are also reportedly stronger than either spiral or bevel gears. Figure 1.7.1: Straight ...

However, there are few reported studies on the mechanics of the process. This paper presents a comprehensive model of gear shaping that includes the kinematics, cutter-workpiece engagement (CWE), and ...

If you’re interested in such things, you might also like to check out Lathe Gears Make A Clock or Gear Up: A 15-Minute Intro On Involute Gears.