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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,” […]

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

A Novel Approach to the Refurbishment of Wind Turbine Gears

Background Wind turbine gears experience several types of repairable damage including micropitting or “gray staining”, abrasive wear, foreign object damage […]

Videos

The Rapid ISF® Process

REM Surface Engineering’s automotive process, Rapid ISF® (Isotropic Superfinishing), is able to produce a planar surface of Ra .1 µm […]

Videos

REM ISF (Isotropic Superfinish) Process Overview

REM Surface Engineering’s ISF Process Overview. A basic understanding of superfinishing for metal components.

White Papers

Materials Matter: Gear Corrosion in the Manufacturing Process

Crevice Corrosion Crevice corrosion is a localized form of corrosion that occurs in narrow openings or spaces where the localized […]

White Papers

Materials Matter: Comparing Surface Roughness Parameters

Parameters Rz, Rt, and Rsk While Ra and Rq have flaws, there are a plethora of other surface roughness parameters […]

White Papers

Materials Matter: Lambda Ratio

Calculation of Lubricant Film Thickness The first proposed solution to lubricant film thickness as applied to line-contact EHL (elasto-hydrodynamic lubrication) […]

White Papers

Materials Matter: Micropitting

Why does Micropitting Occur Micropitting occurs most commonly with case-carburized steels that experience high loads and are operating in a […]

White Papers

Materials Matter: Scuffing

Figure 1 Much like fatigue-based failure modes, scuffing causes a large degradation of the surface’s geometry, leads to inefficiency in […]

White Papers

Materials Matter: Wind Turbine Gear Repair

Regrinding The aforementioned damage to gear teeth can typically be repaired via flank regrinding. However, regrinding has certain disadvantages and […]

White Papers

Materials Matter: Power Density and Isotropic Superfinishing

Bending Fatigue Bending fatigue is a critical aspect in determining the repeated load a component can endure before failure. Bending-related […]

White Papers

Materials Matter: Roughness Measurement of Precision Gear Teeth

Shop Floor Profilometer A profilometer is an instrument for measuring surface texture. Surface texture is separated by the instrument’s filter […]

White Papers

Materials Matter: Gear Surfaces and Operational Performance

Machined Surfaces The term machining can be applied to a multitude of techniques, each with unique properties and characteristics. However, […]

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