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Advancing rocket propulsion through Additive Manufacturing, novel surface finishing technologies and public-private partnerships

Whilst Additive Manufacturing is undoubtedly having a huge impact on the design and manufacture of rocket propulsion systems, most notably combustion chambers and nozzles, the Achilles’ heel of all AM process is currently as-built surface finish.

Advancing-rocket-propulsion-through-Additive-Manufacturing

Technical Papers

Gear Repair for Helicopters and Wind Turbines via Isotropic Superfinishing

The wind turbine, aerospace, and helicopter gear industries recognize the importance of surface finish and surface texture for maximizing component and system performance.

Gear Repair for Helicopters and Wind Turbines via Isotropic Superfinishing

Technical Papers

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.

Technical Papers

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.

Technical Papers

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.

Technical Papers

Horsepower Retention by ISF (Isotropic Superfinishing) of Automotive Racing Components

Automotive power and drivetrain components typically transfer the energy from fuel combustions through a series of metal-to-metal mechanical components.

Technical Papers

Effect of Superfinishing on Scuffing Resistance

A fundamental understanding of gear scuffing has been promoted for a number of years by the use of twin disc scuffing rigs.

Technical Papers

The Reduction of Parasitic Friction in Automotive Gearbox and Drive Train Components by the Isotropic Superfinish

Microscopic examination of the traditionally ground tooth surfaces of automotive transmission gears reveals a micro-roughness, and unidirectional pattern corresponding to the direction of the gear tooth grinding operation.

Technical Papers

Impact of Isotropic Superfinishing on Contact and Bending Fatigue of Carburized Steel

An Isotropic Superfinish (ISF) is produced by a patented chemically accelerated vibratory finishing process using non-abrasive media that is capable of surface finishing hundreds of parts per hour.

Technical Papers

Chemically Accelerated Vibratory Finishing for the Elimination of Wear and Pitting of Alloy Steel Gears

Chemically Accelerated Vibratory Finishing is capable of refining hundreds of gears per hour to a superfinished isotropic condition.

Technical Papers

Isotropic Finishing of Helicopter and Turboprop Gearbox Components

The traditional finishing techniques for engineered gearbox surfaces include but are not limited to hob shaving, gear grinding and honing.

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