Ordinarily, when we need gears, we pop open a McMaster catalog or head to the KHK website. Some of the more adventurous may even laser cut or 3D print them. But what about machining them yourself? … ...

The laser is a 2.5 W 445 nm module which is very popular with low-cost laser cutter setups. It’s a fully self-contained air cooled unit that just needs a source of 12 V to fire up.

For soft and hardened gears up to 600 mm in workpiece diameter, Gleason vertical machines can be equipped with an on-board unit to reduce cutter changes and promote consistent quality. GLEASON CORP.

My idea is a technique for converting any module metric involute hob to another hob, and vice versa, if these hobs have the same pitch (distance between teeth.) “First, we have a group of module gear ...