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Ulsan, South Korea

Kim K.S.,Hyundai R and nter | Moon M.B.,Hyundai R and nter | Kim Y.J.,Hyundai R and nter | Kim Y.G.,Hyundai R and nter | Kim D.H.,Hyundai R and nter
Proceedings of the 10th International Conference on Technology of Plasticity, ICTP 2011 | Year: 2011

Recently, the car makers lay great efforts on the lightweight parts and cost-down for their products. The customers also prefer to the car of high fuel efficiency and the competitive price. The torsion beam axle, which Is the rear suspension system of the automotive, Is lately adopted at the automotive below the D-segment. We can make the competitive suspension system with torsion beam axle through lightweight part, decrease of part number and simplification of structure. The structure of torsion beam axle is largely consisted of torsion beam, trailing arm, spindle plate and spring seat. Furthermore, one body trailing arm using the hydroforming method enhances the competitiveness of rear suspension system. The electric vehicles, which will be our main transport way in the future, use the heavy battery instead of the present gasoline engine. The position of heavy battery primarily put on the rear suspension of the automotive. So the rear suspension system need to be lightweight and simplified. Aluminium material and the hydroforming method are used to make the lightweight suspension system in this study. We had compared with the formability and the productivity of two trailing arms using steel and aluminium. © 2011 IBF (RWTH Aachen) & IUL (TU Dortmund). Source

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