[Maciej Nowak] demonstrates just how to produce your own gears with a homemade cutting tool. The cutting tool for the job is an M16 machine tap, chosen for the smaller flutes compared to a hand tap.

How do you calculate gear ratio? Harmonic Drive’s Eugene Niselson explains the basics. Rehana Begg, editor-in-chief of Machine Design, hosts a discussion on strain wave gear technology with ...