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Hybrid Design for Automotive Body Panels

机译:汽车车身面板的混合动力车设计

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The increasing trend for electric mobility adoption brings new challenges to the automotive industry, requiring a new approach to the manufacture processes, materials adopted and adaptation the market needs. The conventional technologies used to manufacture automotive parts imply significant overhead costs (tooling, assembly, etc.) which can only be justified by large series. The need of light and cost effective materials was the driving force of this study, acknowledging that the growth of the electric vehicles market will be driven by price. The study aims to deliver a hybrid design material solution that would offer quality and security to the vehicle, affordable to everyone, developing engineered solutions in terms of design and production process. To the study were considered exterior body panels that are conventionally manufactured by sheet metal stamping or conventional thermoplastic injection, both having associated high investment costs related with tooling. To follow up this case study was defined as constrains that small series should be considered and weight reduction has to be achieved. The adoption of engineered materials leading to hybrid body panel's configuration was studied with increased resistance and reduced weight, using processes with low cost assembly operations and low tooling investment for a start. Structural reinforcement inserts were used on the test case to provide the desired results on the final component behavior. The approach taken, considered different materials and methodologies focusing on the use of DCPD RIM components having as baseline the materials used nowadays in the automotive industry for the same type of exterior body panels. For deeper understanding on exterior panels' state of art, an analysis through several vehicle doors was made, analyzing the materials used and their combination. As a result, different combinations of materials were considered as adequate for weight reduction and for production on small production series. Virtual simulation of two exterior body panels' solutions was done demonstrating the potential of DCPD as a hybrid solution to deliver structural consistence in conjunction with weigh reduction at a reduced cost.
机译:电动机制采用的趋势越来越多的趋势为汽车行业带来了新的挑战,需要采用新方法,采用和适应市场需求的新方法。用于制造汽车部件的传统技术意味着只能由大系列才能理解的显着高度的开销成本(工具,组装等)。光明和成本效益的需要是本研究的动力,承认电动汽车市场的增长将被价格推动。该研究旨在提供一种混合设计材料解决方案,将提供对车辆的质量和安全,适用于所有人,在设计和生产过程方面开发工程化解决方案。对于这些研究被认为是通过金属板冲压或常规热塑性注射的常规制造的外体板,这两种都具有与工具相关的相关的高投资成本。为了跟进这种情况,研究被定义为应考虑小系列的约束,并且必须实现重量减少。使用具有低成本组装操作的工艺和启动的低工具投资,研究了导致混合体面板配置的工程化材料。在测试情况下使用结构增强插入物,以提供最终组分行为的所需结果。采取的方法,考虑了专注于使用具有基线的DCPD边缘部件的不同材料和方法,该材料现在在汽车行业中使用的材料用于相同类型的外部车身面板。为了更深入地了解外部面板的艺术状态,制造了几种车门的分析,分析了所用材料及其组合。结果,将不同的材料组合被认为是减轻体重和小型生产系列生产的适当。完成两个外部车身面板的虚拟仿真,证明DCPD作为混合溶液的电位,以便以降低成本将结构一致提供结构一致性。

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