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前保险杠托架成形工艺分析及有限元模拟
引用本文:周杰,张玉平,韦光珍,阳德森.前保险杠托架成形工艺分析及有限元模拟[J].重庆大学学报(自然科学版),2007,30(7):14-17.
作者姓名:周杰  张玉平  韦光珍  阳德森
作者单位:重庆大学机械工程学院,重庆400030
摘    要:分析了汽车前保险杠托架的工艺特点,制定了合理工艺方案,采用板料三维成形分析软件PAM-STAMP对其拉深成形工序进行了数值模拟仿真,通过对FLD图和成形结果的分析得到了合理的拉深凹模型面.设计了经济合理的模具结构,制造了汽车前保险杠托架的全套模具,并在校形模中加了限位块,有效控制了成品件与立柱装配的尺寸精度,最终生产出合格产品.该工艺方案极大地提高了材料的利用率和劳动生产率,节约了生产成本和有效提高了模具设计质量及效率.

关 键 词:保险杠托架  工艺分析  数值模拟  FLD图
文章编号:1000-582X(2007)07-0014-04
修稿时间:2007-03-08

Analysis and FEM Simulation of the Forming Process of Front Bumper Bracket
ZHOU Jie,ZHANG Yu-ping,WEI Guang-zhen,YANG De-sen.Analysis and FEM Simulation of the Forming Process of Front Bumper Bracket[J].Journal of Chongqing University(Natural Science Edition),2007,30(7):14-17.
Authors:ZHOU Jie  ZHANG Yu-ping  WEI Guang-zhen  YANG De-sen
Institution:College of Mechanical Engineering,Chongqing University,Chongqing 400030, China
Abstract:The processing characteristics of the front bumper bracket are analyzed,and a reasonable process scheme is worked out.The three-dimensional sheet metal forming analysis software PAM-STAMP are adopted to simulate the bracket's drawing process.Then the surface of die is proved fine through analyzing the FLD diagrams and the forming results.An economical and optimized die structure is decided,and a complete set of dies of the bracket is designed.The spacing block is added in the sizing mold,which control the size precision of end products and assembling columns actively,and finally the certified products.The material utility and the labor productivity are raised,the production cost is saved,and the mold design quality and the efficiency are improved effectively.
Keywords:bumper bracket  process analysis  numerical simulation  FLD diagram
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