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FFI Sustainable gear transmission realization

Reference number
Coordinator Kungliga tekniska högskolan - Centre for design and management of manufacturing systems
Funding from Vinnova SEK 11 150 000
Project duration September 2009 - July 2012
Status Completed
Venture FFI - Sustainable Production
End-of-project report 2009-04206_publikrapport_EN.pdf (pdf, 2586 kB)

Purpose and goal

The goal of this project is to ensure sustainable, competitive and robust manufacturing of high performance gears in Sweden by treating all aspects from the optimization of operating characteristics, tooling and component materials and coatings to preparation and processing of components. The proposal is based on that Sweden has a good knowledge of materials and have good ability to materialize surface related progress. To ensure that the gears will continue to be manufactured in Sweden, it is important to maintain good skills and increase knowledge in manufacturing of gears, both in industry and at our technical universities.

Results and expected effects

FFI Sustainable gear transmission realization is a continuation of the MERA KUGG project and the case hardening part of the MERA OPTIMA project. Gears can operate at very high efficiency (>99%) if they are designed and manufactured correctly, and thus will always be important parts of vehicle transmissions, regardless of the energy source or propulsion principle used. The industrial tasks to be treated are all related to the potential strength of Sweden. To ensure that gear wheels will be manufactured in Sweden even in the future, it is important to retain competence and to increase knowledge about gear wheel manufacture both in industry and at universities. The different closely related subprojects in the project are; effective handling and treatment of tools, microstructure of gear material, process planning of transmission parts, robust manufacturing of gear wheels and gear efficiency.

Approach and implementation

The project is composed of five research work packages representing research areas that have been identified by the participating gear manufacturing companies as the most essential ones to target when meeting future challenges in gear production. The WPs are WP1 Project coordination and dissemination, WP2 Gear service life efficiency WP3 Gear materials, WP4 Robust design and manufacturing, WP5 Cutting tools and WP6 Process planning.

The project description has been provided by the project members themselves and the text has not been looked at by our editors.

Last updated 9 January 2020

Reference number 2009-04206

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