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Articles
Advancing rocket propulsion through Additive Manufacturing, novel surface finishing technologies and public-private partnerships
“Traditionally, it takes many months to manufacture, test and deliver a conventional combustion chamber. We can reduce that time considerably,” […]
Technical Papers
Gear Repair for Helicopters and Wind Turbines via Isotropic Superfinishing
Abral = a proprietary, abrasive vibratory finishing process AEO = all engines operative OEI = one engine inoperative CAVF = […]
Technical Papers
AH-64 Loss of Lubrication Study: Test of Isotropic Superfinished AH-64 (Apache) Engine Nose Gearbox Without Black Oxide Coating
INTRODUCTION Isotropic Superfinish (ISF*) technology applied to gears has become the benchmark for surface finishing of rotorcraft gearing. The performance […]
White Papers
Materials Matter : The State of the Art of Wind Turbine Gearboxes
Time Between Maintenance: Lubricant In regard to the wind turbine gearbox, gone are the epidemic failure rates of fewer than […]
Videos
Gear Expo Live! Ask the Expert with Mark Michaud
Gear Technology speaks with Mark Michaud, REM Technical Fellow of REM Surface Engineering, is the inventor and pioneer of REM […]
White Papers
Materials Matter: Nitriding’s “White Layer” and Isotropic Superfinishing
Isotropic superfinishing is an ideal method of removing the problematic white layer created during the nitriding process. By: Nathan Michaud […]
White Papers
Repairing Wind Turbine Gears and Assemblies with Isotropic Superfinishing
What is isotropic superfinishing? Isotropic superfinishing is a process that produces a smooth (typically < 0.1 μm Ra), micro-textured surface […]
Technical Papers
Future Advanced Rotorcraft Drive System (FARDS) Full Scale Gearbox Demonstration
The eighteen technologies include the following: Gear Technologies 1. C64 gear steel material 2. Cavitation peening 3. Optimized gear teeth […]
White Papers
Oil-Out Endurance Under the Lens
A machine surface finish (top) compared with an isotropic superfinish (bottom). Images courtesy of REM Surface Engineering. Another interesting solution […]
White Papers
Materials Matter: Additive Manufacturing: Challenges, Possibilities, and the Gear Industry
Metal Additive Manufacturing Technologies There are many different names and types of metal AM. The first differentiation of metal AM […]
Videos
ISF Surface Versus Machined Surface
Why ISF® Surfaces are superior to machined surfaced: As the load of the mating surface is increased, the lubrication film […]
Technical Papers
Gear Corrosion During the Manufacturing Process
Crevice corrosion Crevice corrosion is a localized form of corrosion that occurs in narrow openings or spaces where the localized […]
Technical Papers
High Speed, Automatable Superfinishing of Rear-Axle Hypoid Gears
INTRODUCTION Only a very brief description of superfinishing will be presented here since it is discussed in detail elsewhere.3,4,5 The process […]
Technical Papers
The Effect of Superfinishing on Gear Micropitting, Part II
Experimental Gear design The gears used were the standard FZG– C type gears for micropitting testing. Table 1 gives the […]
