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以某轻型货车用板簧为研究对象,以玄武岩纤维增强环氧树脂基复合材料代替弹簧钢减轻车辆板簧质量为目的,通过材料优化设计、结构优化设计,确定了复合材料设计方案,利用ANSYS仿真设计软件对复合材料板簧进行了力学性能分析,采用树脂传递模塑(RTM)制备工艺制备了玄武岩增强复合材料板簧。结果表明,优化后的玄武岩纤维增强复合材料板簧静态强度、动态疲劳寿命能够满足设计和使用要求,通过了静载和台架疲劳试验,且质量相对于弹簧钢板簧减重55%。
Taking a plate spring of a light goods vehicle as the research object, basalt fiber reinforced epoxy resin matrix composite material is used to replace the spring steel to reduce the leaf spring quality of the vehicle. Through the material optimization design and structure optimization design, the design scheme of the composite material is determined, The simulation software was used to analyze the mechanical properties of composite leaf springs. The basalt reinforced composite leaf springs were prepared by resin transfer molding (RTM). The results show that static strength and dynamic fatigue life of the optimized basalt fiber reinforced composite leaf spring can meet the requirements of design and application, and have passed the static load and bench fatigue test, and the weight is 55% less than that of the spring steel leaf spring.