Impact of Surface Condition and Lubricant on Effective Gear Tooth Friction Coefficient
The impact of gear tooth surface roughness and advanced coatings on frictional losses in a gear mesh is of significant […]
Developing an Energy-Efficient Industrial Gear Oil
Gearboxes found in mining and manufacturing sectors encounter a variety of harsh conditions. Heavy loading, longer duty cycles, and high […]
Pitch Factor Analysis for Symmetric and Asymmetric Tooth Gears
In comparison with traditional gear design based on pre-selected, typically standard generating rack parameters and its addendum modification also known […]
Accelerated Testing and Temperature Calculation of Plastic Gears
Plastic gears have been in use since the 1950s, and their popularity has increased significantly in the last few years. […]
Application of Advanced Mesh Analysis To Eliminate Pinion Failures
Through a case study involving pinion failures on plastic extruder drives, this paper covers failure analysis, gear rating review, application […]
Five Ways To Extend CNC Spindle Life for Gear Manufacturing
For most manufacturers, including those that produce gears, the productivity of their CNC equipment can be measured in fractions of […]
Polymer Composite Bases for Machine Foundations
A properly designed base foundation is crucial to the success and longevity of the machine. Designers have historically resorted to […]
Calculating the Risk of Micropitting Using ISO Technical Report 15144-1:2014 – Validation with Practical Applications
For high-performance gear transmissions, case-carburized and ground gears are used in most cases. International standards have been developed to provide […]
Analysis and Optimization of Asymmetric Epicyclic Gears
The design objective of asymmetric tooth gears is to improve performance of the primary drive flank profiles at the expense […]
A New Class of Industrial Gear Oil
In 2013, the global lubricant market was just over 40 million tons, comprised of 58-percent automotive lubricants and 42-percent industrial […]
The Benefits of Asymmetric Gears
Gear wheels often rotate in only one  direction throughout their entire service lives. This applies particularly in the case of […]
An Experimental Evaluation of the Procedures of the ISO/TR 15144 Technical Report for the Prediction of Micropitting
Recently, ISO 15144 [1] has been approved by ISO as a technical report that presents an analysis procedure, which is […]
Prediction of Airborne Radiated Noise from Lightly Loaded Lubricated Meshing Gear Teeth
Automotive transmission gear noise has received increased attention in recent years. The phenomenon is considered as a major noise source […]
The Impact of Surface Condition and Lubricant on Gear Tooth Friction
The most exhaustive experimental study quantifying gear tooth friction is by Yoshizaki [1], in which spur gears with various geometries […]
Application of a Unique Anti-Wear Technology — Ion-Sulfurized Lubricating Gradient Material
History Of Ion-Sulfurized Lubricating Gradient Material (LGM) Technology In modern industry, large fraction of machinery components, including gears, splines, and […]
The Efficiency of a Simple Spur Gearbox — Thermally Coupled Lubrication Model
Introduction The efficiency of drivetrain components is quickly becoming a significant research area pushed by the intensifying quest for improved […]
Proactive Contamination Control for Industrial Gearing
No matter what industry you serve, there’s a good chance that gears and gearing are critical to your process. In […]
Gear Failure Analysis and Lessons Learned in Aircraft High-Lift Actuation
The high lift system of an aircraft, including trailing and/or leading edge slats/flaps, increases lift for takeoff, controls flight during […]
Medical Device Assembly Case Study: National Bearings
Overview A leading, U.S.-based medical device manufacturer was experiencing significant product failure. The surgical device, which included a plastic gear, […]
Purchasing Gear Lubricants: Be Careful When Playing the Numbers Game
An assumption has been made that anyone reading this has a basic knowledge of most gear types and their geometric […]
