摘要
为实现汽车轻量化,对钢制仪表板横梁骨架总成进行了镁合金替代设计。依据镁合金材料和工艺特性,设计合理的仪表板横梁结构和连接工艺;建立仿真分析模型,对比分析钢制和镁合金仪表板横梁的NVH、变形量和碰撞入侵量。此外,对镁合金CCB进行零部件NVH、碰撞安全性能验证。结果表明,镁合金替代钢制仪表板横梁在实现减重4.4kg的轻量化效果的同时,整体的模态、碰撞安全以及可制造型均能满足企业技术要求。
To reduce the weight of the car,a magnesium alloy replacement design was carried out on the steel instrument panel beam frame assembly.Based on magnesium alloy materials and process characteristics,the article designed a reasonable instrument panel beam structure and connection technology,established a simulation analysis model to compare and analyze the NVH,deformation and collision intrusion of steel and magnesium alloy instrument panel beams.In addition,the NVH and collision safety performance of the magnesium alloy CCB imported parts were verified.The results show that the replacement of steel instrument panel beams by magnesium alloy can achieve a weight reduction of 4.4kg while achieving the overall modal,collision safety and manufacturability to meet the technical requirements of the enterprise.
作者
姜子敬
史付磊
蒋新亮
李文中
李振兴
马秋
Jiang Zijing;Shi Fulei;Jiang Xinliang;Li Wenzhong;Li Zhenxing;Ma Qiu
出处
《时代汽车》
2021年第18期158-161,共4页
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关键词
仪表板横梁
镁合金
轻量化
性能分析
cross car beam
magnesium alloy
lightweight
performance analysis
