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Light weighting opportunities and material choice for commercial vehicle frame structures from a design point of view 被引量:2
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作者 peter seyfried Ed Juarez Mendes Taiss +2 位作者 Alexandre Costa Calijorne Fei-Peng Li Qi-Feng Song 《Advances in Manufacturing》 SCIE CAS CSCD 2015年第1期19-26,共8页
This paper focuses on an estimation of light weighting opportunities for the frame structure of com- mercial road vehicles. This estimation is based on simpli- fied static load cases which play a predominant role for ... This paper focuses on an estimation of light weighting opportunities for the frame structure of com- mercial road vehicles. This estimation is based on simpli- fied static load cases which play a predominant role for the dimensioning of a frame structure and therefore these simplifications are not putting the general validity of the conclusions into question. A comparison of different ma- terials under this scenario shows that light metals do not show any weight reduction advantage in comparison to steel while a material-independent topology optimization has more weight reduction potential for the frame structure than a simple change of materials. Considering the con- straints of part complexity which is directly linked with production and assembly cost, the ladder frame structure has become the current state of the art design. Thus the paper also puts a spotlight on basic rules of node design and vertical load induction in order to keep the weight of such a design as low as possible. Practical examples from manufacturers show that the weight of a commercial vehicle could be reduced by 10%, and main parts of the frame structure could be reduced by 30% using high strength steel in combination with innovative production methods like roll forming. 展开更多
关键词 Ladder frame . Light weighting.Commercialvehicle .Node design - High strength steel - Profilesection . Vertical bending .Topology optimization
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