superfinishing
REM ISF (Isotropic Superfinish) Process Overview
REM Surface Engineering's ISF Process Overview. A basic understanding of superfinishing for metal components....
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Materials Matter: Gear Corrosion in the Manufacturing Process
No matter how well gears are designed and manufactured, gear corrosion can occur during the manufacturing process, which may, in turn, result in catastrophic failure....
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Materials Matter: Micropitting
Micropitting is a gear failure mode that typically occurs when higher contact stresses are applied to hardened gear teeth. Unlike most other failure modes, micropitting does not always proceed to component failure if left unaddressed....
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Materials Matter: Scuffing
Gear meshing is one of the most complex areas of study in tribology. Meshing consists of both sliding and rolling motion and can be affected by a number of other operating parameters....
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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....
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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....
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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....
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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....
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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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The Effect of Superfinishing on Gear Micropitting, Part I
The most common failure mechanism of highly stressed case carburized gears is micropitting (gray staining). The standard FZG gear test (FVA Work Sheet 54) is generally used to determine the micropitting load capacity of gear lubricants....
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Superfinishing Motor Vehicle Ring and Pinion Gears
Today, the motor vehicle market is focusing on "lubed for life" differentials requiring no service for the life of the vehicle. Still, differentials are prone to develop problems of one sort or another since they are used to transmit a heavy torque t...
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Repair of Helicopter Gears
In order to reduce costs by extending the operational life of the sun and input pinion gears of a helicopter transmission, scraped gears were subject to a superfinishing process....
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