An aluminium lightweight structure based on the cabin motorcycle, BMW C1, was designed as a demonstration structure and manufactured within a flexible production line. This lightweight structure gives an outlook to future manufacturing methods for small scale production runs of urban vehicles. The techniques of design, extrusion, reinforcement, joining and handling are described. This paper shows promising manufacturing, design as well as component handling and machining techniques for small scale production lines. The flexible production line combines novel methods like composite extrusion of wire reinforced profiles with bending processes during the extrusion. The production line is continued by flying cutting devices as well as joining techniques like electromagnetic or hydroforming. The characteristics of the bifocal hybrid laser welding and friction stir welding are also presented.
Advanced manufacturing and design techniques for lightweight structures
International Aluminium Journal ; 87 , 9 ; 60-64
2011
5 Seiten, 6 Bilder, 17 Quellen
Article (Journal)
English
Leichtbaustruktur , Demonstrationsmodell , verstärktes Metall , Hydroformverfahren (Blechumformen) , Strangpressen (Metall) , Laserschweißen , Reibrührschweißen , elektromagnetisches Umformen , Kleinserienproduktion , Motorroller , Fertigungsablauf , Aluminiummagnesiumsiliciumlegierung , Aluminiumsiliciumlegierung
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