[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.

Forward gears use helical cut gears, which automakers prefer to use in manual gearboxes because they’re smoother and can withstand more force. Also, rather importantly for this question ...

A new approach to gear skiving, a specialized machining technique for producing internal gears, could improve the speed and accuracy with which gear teeth are formed. The work, described in the ...