基于轻量化设计的复合轮罩挡泥板性能研究  

Research on Properties of Composite Wheel-House Fender Based on Lightweight Design

作　　者：魏珺儒 刘青松 张铭洁 李文中 李振兴 郭秋彦 Wei Junru;Liu Qingsong;Zhang Mingjie;Li Wenzhong;Li Zhenxing;Guo Qiuyan(Geely Automobile Research Institute(Ningbo)Co.,Ltd.,Ningbo 315336)

机构地区：[1]吉利汽车研究院(宁波)有限公司,宁波315336

出　　处：《汽车工艺与材料》2024年第4期1-7,共7页Automobile Technology & Material

摘　　要：针对基于轻量化设计的吸塑工艺复合轮罩挡泥板力学性能、抗石击性能、振动耐久性能、吸音性能、抗风阻变形量进行研究及分析,并与成熟的注塑工艺、模压工艺进行对比分析。研究表明:复合轮罩挡泥板综合性能满足乘用车轮罩挡泥板的技术要求,与注塑产品相比,抗石冲击性能及吸音性能更优,质量减轻22%,轻量化效果显著;与模压产品相比,可节省开发周期,更具成本优势。In this research,the key properties of vacuum forming composite wheel house based on lightweight design including mechanical properties,stone impact resistance,vibration endurance,sound insulation performance,wind resistance deformation were studied and analyzed,those properties were compared and analyzed with mature injection molding and compression molding.Research result shows that comprehensive performance of the composite wheel house fender meets the technical requirements of passenger vehicle wheel house fender.Compared with injection molding products,the newly designed products have better stone impact resistance and sound absorption performance,with weight reduction of 22%.Compared with die pressing products,the new product has shorter development cycle and cost advantage.

关 键 词：轮罩挡泥板 轻量化 吸塑工艺 抗石冲击性能 吸音性能 

分 类 号：U466[机械工程—车辆工程]