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Fogli bianchi

Materials Matter: Wind Turbine Gear Repair

Due to the large installed base of wind turbines, demand for gearbox repairs has risen steadily in recent years. Isotropic […]

Fogli bianchi

Materials Matter: Power Density and Isotropic Superfinishing

Power density, also described as load-carrying capacity, is simply the amount of load that can be safely transferred by a gear or other power transfer component without failure.

Fogli bianchi

Materials Matter: Roughness Measurement of Precision Gear Teeth

Over the past 25 years, industries such as power generation, aerospace, automotive, and others have continuously increased the operational demands of gearboxes.

Fogli bianchi

Materials Matter: Gear Surfaces and Operational Performance

In the search for increased performance and durability, gear and bearing design has sought to make use of improved steel grades combined with enhanced heat treatment techniques.

Fogli bianchi

Materials Matter: Isotropic Superfinishing

Increasingly stringent operational requirements from customers coupled with enhanced global technical standards have heightened the focus of gear designers on a wide array of parameters that historically would have been of secondary consideration; one such design parameter is surface finish.

Fogli bianchi

Materials Matter: Optimizing Performance with Surface Finish and Lubrication

Materials and manufacturing processes have evolved to generate lighter, stronger, and more robust components to meet the demand for more efficient, highly loaded mechanical systems.

Fogli bianchi

Materials Matter: The Gear Drawing Roughness Specification

In the January Materials Matter column, “Roughness Measurement of Precision Gear Teeth,” the importance of accurate and repeatable roughness measurement of precision gear teeth flanks was explained.

Documenti tecnici

Superfinishing and its Effect on Micropitting

Micropitting is a prominent failure mechanism for both highly stressed case carburized gears and bearings that operate consistently in low speed, low load environments where boundary conditions predominate.

Documenti tecnici

The Impact of Surface Condition and Lubricant on Gear Tooth Friction

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.

Documenti tecnici

An Evaluation of the New Rapid ISF® Process for Rear-Axle Gears

The benefits gained by Superfinishing rear-axle gearsets using traditional chemically accelerated vibratory finishing is well documented.

Documenti tecnici

Superfinishing Rear Axle Gears – A Significant Step Toward Reducing Automotive Greenhouse Gas Emissions

New regulations make it imperative that the European and US automotive industries meet strict, lower greenhouse gas emission standards.

Documenti tecnici

Comparative Corrosion Characteristics of Ground and Superfinished Gear Steels

The described effort was undertaken to assess the impact of the isotropic superfinishing (ISF®) process on the corrosion resistance of a variety of gear steels.

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