锻压技术

浅谈热冲压零件工艺设计方法及有限元分析与验证

英文标题：A brief discussion on process design method and finite element analysis and validation of hot stamping parts

作者：李伟周立明

分类号：TG306

出版年,卷(期):页码：2025,50(8):72-81

摘要：

为实现热冲压零件工艺设计的优化，提高零件性能、降低生产成本并提升生产效率，聚焦于工艺流程优化、模具设计改进及材料利用率提升，通过正交试验方法系统分析出炉温度、成形温度和冲压速度等工艺参数对热冲压零件质量的影响，结合仿真分析，明确了各因素的主次顺序和最佳组合。最终确定了最佳工艺参数组合为：坯料出炉温度为930 ℃、成形温度为780 ℃、冲压速度为40 mm·s-1。该工艺参数组合可有效提升零件的尺寸精度、表面质量和力学性能。研究成果为工程技术人员提供了高效的工艺设计与仿真分析方法，对汽车轻量化领域的技术进步具有重要意义。

For optimizing the process design of hot stamping parts to enhance the part performance, reduce the production costs, and improve the production efficiency, the process flow optimization, the die design improvement and the material utilization enhancement were focused on. The impact of process parameters (such as billet heating temperature, forming temperature and stamping speed) on the quality of hot stamping parts was systematically analyzed using the orthogonal test method, and the priority order and optimal combination of each factor were clarified by combining the simulation analysis. Finally, the optimal process parameter combination is determined as: the billet heating temperature of 930 ℃, the forming temperature of 780 ℃, and the stamping speed of 40 mm·s-1. This process parameter combination effectively improves the dimensional accuracy, surface quality and mechanical properties of parts. The research provides highly efficient process design and simulation analysis methods for engineering technicians, which is of significant importance for technological advancement in the automotive lightweighting field.

基金项目：

作者简介：李伟(1979-),男,博士研究生,正高级工程师 E-mail：liwei@zybody.com.cn 通信作者：周立明(1982-),男,博士,教授 E-mail：lmzhou@jlu.edu.cn

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