摘要
基于FEM-CFD耦合优化方法对某车型B柱进行了连续热冲压数值模拟,获得了热冲压模具冷却水道优化设计方案并研究了热冲压设计参数对模具冷却性能的影响规律。结果表明:水道换热系数h c和水道与模面距离H能显著地影响冷却系统性能和模具温度分布。在设计冷却水道时通过引入水道换热系数h c对H、D(水道间距)、R(水道半径)参数进行了集成优化。该方法对热冲压模具冷却系统的设计具有重要意义。
Based on FEM-CFD coupled optimization method, continuous hot stamping of a motorcycle type B pillar was numerically simulated, an optimized design of cooling channels was obtained. And the influences of hot stamping design parameters on cooling performance of the die were studied. The results show that： the heat transfer coefficient （hc） and the distance （H） between channel and surface of the die can evidently influence the cooling effect and the temperature distribution of the die. When designing cooling channels, the integrated optimization of H, D （distance between water channels）, R （radius of water channels） parameters was carded out by introducing the hc. This method is meaningful for the design of the cooling system of hot stamping die.
出处
《热加工工艺》
CSCD
北大核心
2014年第3期1-4,共4页
Hot Working Technology
基金
国家自然科学基金重点项目(10932003
11272075)
国家重点基础研究发展计划项目(2010CB832700)
国家工信部04重大专项(2011ZX04001-021)项目基金联合资助
关键词
热冲压模具
冷却水道
换热系数
FEM-CFD耦合优化
hot stamping die
cooling channels
heat transfer coefficient
FEM-CFD coupled optimization
