Design of hot stamping tools with cooling system

被引：155
|
作者：
Hoffmann, H. [1 ]
So, H. [1 ]
Steinbeiss, H. [1 ]
机构：
[1] Tech Univ Munich, Inst Met Forming & Casting, D-8046 Garching, Germany
来源：
CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2007年 / 56卷 / 01期
关键词：
hot stamping; finite element method (FEM); optimization;
D O I：
10.1016/j.cirp.2007.05.062
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hot stamping with high strength steel is becoming more popular in automotive industry. In hot stamping, blanks are hot formed and press hardened in a water-cooled tool to achieve high strength. Hence, design of the tool with necessary cooling significantly influences the final properties of the blank and the process time. In this paper a new method based on systematic optimization to design cooling ducts in tool is introduced. The optimization procedure was coupled with FE analysis and a specific evolutionary algorithm. Through this procedure each tool component was separately optimized. Subsequently, the hot stamping process was simulated both thermally and thermo-mechanically with the combination of optimized solutions.
引用
收藏
页码：269 / 272
页数：4
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