Faithful followers of this blog can complete that mantra without prompting, but for new readers — the beginning of wisdom is calling things by thei...

A calculation method is developed to estimate tool wear on hobs.

Background on the development of a high-speed, automatic hardness tester for gear steels.

To an engineer there are no accidents, only unanticipated consequences of situations that need to be better understood. We even have a rule about i...

I rambled on about herringbone gear in my last posting but still have more to share on these once commonplace gears. Today we’ll cover the use of c...

Imagine for a moment that your boss invented the herringbone tooth form and tasked you with building machines to cut them. This was the situation P...