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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,” […]

7K LLAMA Raw + Finished cropped+recolored+flipped

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 = […]

Gear Repair for Helicopters and Wind Turbines via Isotropic Superfinishing

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 […]

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