Spiral bevel and hypoid gear cutting has changed significantly over the years. The machines, tools, processes and coatings have steadily advanced.

What does it mean to make "better" gears? Better gears more closely resemble the intended design parameters.

While universally known as a Japanese “invention” that was popularized by Toyota, lean in fact traces its roots to the work of post-World War II American occupation forces in Japan.

Gear specialists at the NASA Glenn Research facility helped determine it was safe for the space shuttle to fly again.

Transmission error (TE) is recognized as one of the most important causes of gear acoustic emissions...

Forty years ago, the plastics industry was practically in its embryonic phase...

Newage Testing Instruments' introduced the new model CAMS-MSO multi-specimen microhardness testing system. The system can handle...

In order to grind gears burn-free and as productively as possible, a better understanding of the process is required.

The two-flank roll test measures kickout (tooth-to-tooth composite error) and tooth thickness. In this article, it will be shown that measured values vary with the number of teeth on the master gear.