Lane Winkelmann
Tackling EV Noise Reduction
Ultimately, the next largest contributor will become the target as the transmission error is further minimized. This is typically vibro-acoustic […]...
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Isotropic Superfinishing for Gear Repair for Helicopters and Wind Turbines
Isotropic Superfinishing Isotropic superfinishing is a term that, in the broadest sense, describes any process that is achieves a “superfinish” […]...
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Materials Matter : Surface Finishing Rotorcraft Gearing
Rotorcraft gearboxes are designed with the utmost precision to withstand the tremendous demand and loads required to convert thousands of horsepower and RPM into hundreds of RPM and lift torque....
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The Effect of Superfinishing on Gear Micropitting, Part II
It should be noted from the outset that the data presented in Part I and Part II of this paper was generated by independent laboratories. Superfinishing of the gears was the authors’ sole contribution to these studies....
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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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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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The Effect of Superfinishing on Gear Micropitting, Part II
By: Lane Winkelmann, Omer El–Saeed and Matt Bell, REM Chemicals Inc. Technical Papers and White Papers One of the most […]...
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The Capacity of Superfinished Vehicle Components to Increase Fuel Economy
The lubricant industry is emphasizing the use of low-viscosity lubricants to increase fuel economy. Fuel mileage increases as high as 8% are claimed when conventional engine and driveline lubricants are replaced with new generation products....
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Isotropic Superfinishing of S-76C+ Main Transmission Gears
Isotropic Superfinishing is a chemically accelerated vibratory finishing process that is capable of generating surface finishes with an Arithmetic Mean Roughness (Ra)< 3 min....
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Evaluation of the Scuffing Resistance of Isotropic Superfinished Precision Gears
The high performance required from aerospace gears places stringent requirements upon the metallurgical quality, geometry, and surface finish of mating parts....
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