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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 […]

Improving Gearbox Reliability by Analyzing Axial Cracking on Bearings and Recommending a Solution

Introduction As the growth of wind energy continues, the average size and capacity of wind turbine generators is also increasing. […]

The Anatomy of a Lubrication Erosion Failure: Causation, Initiation, Progression, and Prevention-Part II

As a result of our evaluation of the pit type defects observed on all of the Cameron Pinion Shaft teeth, […]

The Anatomy of a Lubrication Erosion Failure: Causation, Initiation, Progression, and Prevention: Part I

Material science is the oldest of all science and engineering disciplines. It is not an overstatement to say that materials […]

Validation of a Model of the NREL Gearbox Reliability Collaborative Wind Turbine Gearbox

Wind power has grown to be an important part of the energy mix in the U.S. In 2012 alone, the […]

Energy Efficient Industrial Gear Lubricants

The use of energy has propelled the world from earliest civilizations, through the industrial revolution, to the current technology enabled […]

Gear Lubrication-Gear Protection Also At Low Oil Temperature

In practice, industrial gears are often operated with lower oil temperatures than would normally be generated in a fully-loaded gearbox. […]

How to Minimize Downtime, Repair Costs, and Inventories by Extending the Life Expectancy of Your Gearbox

Just like typical cars, gearboxes have gotten smaller over time. The catch phrase is ‘power-dense’, meaning that from equal sized […]

Understanding and Preventing Surface Distress

In many industrial applications that have lubricated rolling/sliding contacts such as rolling bearings, power density has steadily increased over time […]

Gear Lubrication – Stopping Micropitting by Using the Right Lubricant

Micropitting formation is often reported to occur in field applications even though industrial gear oils with a high micropitting load-carrying […]

Protecting Massive Gears

As a manufacturer of motor oils and additives, LIQUI MOLY specializes in the automotive sector and is the most popular […]

Cryogenics Comes of Age

Manufacturing innovations that impart better performance, cost savings, and longer component life are typically expensive, require new equipment, and new […]

Advances in Molded Polymer Gears

The performance of molded polymer gears continues to improve with new design solutions, improved materials, and higher-accuracy molding. As a […]

Thin Rims for Internal Gears

In today’s applications it is increasingly important to use space and resource-saving gears. One possibility is to design the rim […]

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