厚板冲裁过程的模拟仿真及其参数优化  

Finite Element Simulation for Blanking Process of Thick Metal Plateand Parameter Optimization

作　　者：康凤[1] 周杰[1] 权国政[1] 王梦寒[1] 夏玉峰[1] 

机构地区：[1]重庆大学机械工程学院,重庆400044

出　　处：《锻压装备与制造技术》2005年第1期66-68,共3页China Metalforming Equipment & Manufacturing Technology

摘　　要：利用有限元模拟仿真软件Deform3D以及2D,对20Cr钢7mm厚板冲裁进行了模拟,采用NormalC&L断裂准则,分析了裂纹的产生和扩展机理,以及影响厚板冲裁质量的几个核心因素,得到了影响规律。通过进一步优化相关工艺参数,其结果为提高冲模寿命和冲压件质量提供了依据。The blanking of 7mm thick metal plate 20Cr has been simulated by FEM software Deform 3D and 2D.The Normal C&L fracture criteria has been used to analyze initiation and extending of the crack and several factors influencing the quality of the blanking of thick sheet,with the rule obtained.Optimization of the related technology parameters has offered the principle to increase the service life of the die and the product quality.

关 键 词：厚板冲裁 20CR钢 冲模 冲压件 扩展机理 有限元模拟 参数优化 过程 质量 依据 

分 类 号：TG386.2[金属学及工艺—金属压力加工] TG385.2