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The effect of the lubrication regime on gear performance has been recognized, qualitatively, for decades. Often the lubrication regime is characterized by the specific film thickness defined as the ratio of lubricant film thickness to the composite...

Abstract: In this study, a non-linear dynamics model of Ravigneaux compound planetary gearsets which adopts the intermediate floating component is set up based on concentration parameter. By considering the position errors and eccentric errors, the dynamic load...

QuesTek Innovations LLC has applied its Materials by Design® computational design technology and its Integrated Computational Materials Engineering (ICME)-based methods to successfully design, develop and implement two new high-performance gear steels (Ferrium® C61 ™ and Ferrium C64®...

The paper deals with the geometry and kinematics of right-angle bevel gears that feature low tooth count. Gears that have 1 2 teeth and fewer are referred to as the low-tooth-count-gears (or just gears, for simplicity). It...

Frictional losses in gear boxes are of significant interest to gear box designers as these losses transform into heat. The direct result is a reduction in the fuel efficiency of the vehicle involved. Further, in many instances,...

Generally speaking, engineers learn that the bearing L 1 0 life can be estimated using the so called “C/P method” also known as the “basic rating life” of the bearing. This method finds its root in the...

Ion-sulfurized lubricating gradient material (LGM), is a state-of-the-art technology conferring excellent anti-friction and wear-resistant characteristics on metallic parts including gears, splines, and bearings. It is characterized by a sulfur-proliferated zone composed of sulfides and sulfur-metal solid solution...