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Chinese Journal of Engineering Design  2016, Vol. 23 Issue (1): 60-66    DOI: 10.3785/j.issn.1006-754X.2016.01.010
    
Topology optimization of hot stamping die structure on high-strength sheet metal for U shaped part
XIE Yan-min, HE Yu-jun, ZHUO De-zhi, XIONG Wen-cheng
Institute of Advanced Design and Manufacturing, College of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China
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Abstract  To reduce the production cost and use cost of hot stamping die, topology optimization of die structure was carried out based on numerical simulation about hot stamping. A finite element model based on thermal-mechanical coupled method was created through the software ABAQUS, numerical simulation on high-strength sheet metal for U shaped part's hot forming and cooling process was conducted. The contact stresses between blank and die at critical case were extracted to be the load for topology optimization, and an optimization model which aimed to minimize structure volume with nodal displacement constraints on the die structure crucial areas was created. Topology optimization of hot stamping die structure was carried out, and the weight of die structure was reduced by 20%, and die's stress and deformation almost kept the same with initial design conditions. The research provides reference for the study of numerical simulation for hot stamping process and topology optimization of hot stamping die structure.

Key wordshigh-strength steel      hot stamping      topology optimization     
Received: 27 July 2015      Published: 28 February 2016
CLC:  TG386  
Cite this article:

XIE Yan-min, HE Yu-jun, ZHUO De-zhi, XIONG Wen-cheng. Topology optimization of hot stamping die structure on high-strength sheet metal for U shaped part. Chinese Journal of Engineering Design, 2016, 23(1): 60-66.

URL:

https://www.zjujournals.com/gcsjxb/10.3785/j.issn.1006-754X.2016.01.010     OR     https://www.zjujournals.com/gcsjxb/Y2016/V23/I1/60


高强度钢板U形件热冲压凹模结构拓扑优化

为降低热冲压凹模的生产成本和使用成本,基于板料热冲压数值模拟对凹模结构进行了拓扑优化设计.运用有限元软件ABAQUS建立热力耦合有限元模型,对高强钢板U形件的热冲压成形和淬火过程进行了数值仿真.提取凹模与板料间关键工况下接触应力作为凹模拓扑优化的外在载荷,建立约束凹模结构关键区域节点位移的体积最小化拓扑模型,对热冲压凹模结构进行拓扑优化设计,最终实现结构减重20%,且优化后凹模的变形和应力与优化前的结果相差甚微.研究内容对热冲压过程数值模拟和模具结构拓扑优化研究具有一定参考价值.

关键词: 高强度钢,  热冲压,  拓扑优化 
[1] NILSSON A,BIRATH F.Topology optimization of a stamping die[C].The 9th International Conference on Numerical Methods in Industrial Forming Processes.New York:AIP,2007:449-454.

[2] SHEU J J,YANG C H.A simplified column model for the automatic design of the stamping die structure[J].Journal of Materials Processing Technology,177 (1/3):109-113.

[3] 汤禹成,徐栋恺,陈军.高强度钢板复杂零件的冲压压边圈拓扑优化[J].上海交通大学学报,2010,44(1):6-10. TANG Yu-cheng,XU Dong-kai,CHEN Jun.Topology optimization of blank holder structure of stamping die for forming complicated automotive part of high-strength sheet metal[J].Journal of Shanghai Jiaotong University,2010,44(1):6-10.

[4] 刘庄.热处理过程的数值模拟[M ].北京:科学出版社, 1996:5-11. LIU Zhuang.Numerical simulation for the process of heat treatment[M].Beijing:Science Press,1996:5-11.

[5] 李烨.热成形模具冷却系统优化设计[D].大连:大连理工大学运载工程与力学学部,2013:10-15. LI Ye.The optimization design of cooling system in hot stamping dies[D].Dalian:Dalian University of Technology,Faculty of Vehicle Engineering and Mechanics,2013:10-15.

[6] 张新悦.U形件热成型模具冷却系统实验与仿真研究 [D].长沙:湖南大学机械与运载工程学院,2013:23-41. ZHANG Xin-yue.Test and simulation study on U-shaped sheet hot stamping mould cooling system[D].Changsha:Hunan University,College of Mechanical and Vehicle Engineering,2013:23-41.

[7] 苌群峰.镁合金板材温热冲压成形理论与实验研究[D].上海:上海交通大学机械与动力工程学院,2007:63-65. CHANG Qun-feng.Theoretical and experimental investigation of warm forming of magnesium alloy sheet [D].Shanghai:Shanghai Jiaotong University,School of Mechanical Engineering,2007:63-65.

[8] 卫原平,阮雪榆.金属成形过程中热力耦合分析技术的研究[J].塑性工程学报,1994,1(2):3-10. WEI Yuan-ping,RUAN Xue-yu.A study on thermal-mechanical coupled analysis technigue of metal forming process[J].Journal of Plasticity Engineering,1994,1(2):3-10.

[9] MICHELL A G M.The limits of economy of materials in frame structures[J].Philosophical Magazine,1904,47(8):589-597.

[10] DORN W,GOMORY R,GREENBERG H.Automatic design of optical structures[J].Design Mechaniuque,1964, 3(1):25-52.

[11] BENDSOE M P,KIKUCHI N.Generating optimal topologies in structural design using a homogenization method[J].Computer Methods in Applied Mechanics and Engineering,1988,71(2):197-224.

[12] MLEJNEK H P,SCHIRRMACHER R.An engineer's approach to optimal material distribution and shape finding[J].Computer Methods in Applied Mechanics and Engineering,1993,106(1/2):1-26.
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