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Innovative manufacturing route for realizing alternative drive concepts

: Landgrebe, Dirk; Sterzing, Andreas; Schuster, Robert; Popp, Mike

Landgrebe, Dirk ; Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik -IWU-, Chemnitz:
5th International Conference on Accuracy in Forming Technology, ICAFT 2015 : International Conference on Accuracy in Forming Technology, 22nd Saxon Conference on Forming Technology SFU 2015, 22. Sächsische Fachtagung Umformtechnik SFU 2015 : proceedings/Tagungsband
Auerbach: Verlag Wissenschaftliche Scripten, 2015 (Berichte aus dem IWU 88)
ISBN: 978-3-95735-029-9
ISBN: 3-95735-029-8
Internationale Konferenz "Accuracy in Forming Technology" (ICAFT) <5, 2015, Chemnitz>
Sächsische Fachtagung Umformtechnik (SFU) <22, 2015, Chemnitz>
Fraunhofer IWU ()
metal forming; production planning

Increase in power density by optimizing the design of the component geometries is a current tendency in developing powertrains in the automotive industry. This concept of lightweight construction can only be implemented to a limited extent by conventional manufacturing processes of machining for mostly economic reasons. This contribution presents a specific development by Fraunhofer IWU, showing that modern process chains based on forming technology enable near-net-shape manufacturing of complex components. By selecting suitable forming processes material can be saved when manufacturing a component. Furthermore, the process time may be reduced and the performance characteristics can be enhanced. The demonstrated example comprises producing splines by axial forming in only 4 s, while the hardness increases by 15% in this area, which makes subsequent heat treatment dispensable.