Before we move on from helix angle restrictions, I want to say a few things about face contact ratio. Soon after the appearance of the first helica...

This paper shows a method to calculate the occurring tooth root stress for involute, external gears with any form of fillets very precisely within a few seconds.

This study emphasizes the importance of a closed-loop approach togear design and manufacturing to assure designed root fillet shapes are attained in production, and gears meet the design intent.

Material Grade in Gears

Our international readers are no doubt chuckling over this silly, American “long addendum” terminology. The “civilized world” has long relied on a ...

When I started writing my gear book back in 1986, the mission was to provide enough information for a person new to the gear trade to tell if someo...

    This curmudgeon recently got a good lesson on how the Internet has changed the world. My adult children have been trying to get...

The complete Industry News section from the May 2014 issue of Gear Technology.

One of the most important aspects of a gear rating standard is the allowable stress charts. For spur and ...