The oil-off (also known as loss-of-lubrication or oil-out) performance evaluation of gears is of significant interest to the Department of Defense and various rotorcraft manufacturers, so that the aircraft can safely land in an accidental loss-of-lubricant situation. However, unlike typical gear failure modes such as pitting or bending fatigue where early detection is possible, gear failure in an oil-off situation is very rapid and likely catastrophic. Failures rapidly result in the loss of torque transmission and the inability to control the aircraft.

There is an old saying that if the only tool you have is a hammer, everything looks like a nail. Imagine that you are tasked by your employer to de...

How did that over pin calculation work out? My congratulations if you managed to work your way through it without tearing your hair out. Guess what...

Base oils play an important role in determining the performance of an industrial gear oil. They influence characteristics such as low temperature performance, biodegradability, energy efficiency and high temperature thermal and oxidative stability.

Liebherr Gear Technology Inc. recently hosted the 7^th WZL Gear Conference in the USA 2017 in Ann Arbor, Michigan. This two-day program o...

Amidst the energy industry's uncertain future, gearbox manufacturers are focusing on supplying the aftermarket.