500吨粉末成型机CNC液控模架的结构设计
时间:2020-12-04 20:39 来源:毕业论文 作者:毕业论文 点击:次
| 摘要粉末冶金是一门制造金属粉末和用金属粉末成形与烧结制造金属材料以及制品的工艺技术 , 生产粉末冶金制品的重要工艺装备是模具与模架 。 随着模架技术的广泛采用，粉末冶金零件的应用领域也在不断扩大。本文首先介绍了研究背景与意义，接着介绍了国内外压机的发展情况，然后设计了上三下三式新型模架。最后对模架的阴模、各层模板组件以及模架整体使用有限元法进行了静特性分析，确定模架的阴模、各层模板组件以及模架整体结构的刚度和强度满足要求；还对模架整体使用有限元法进行了模态分析，得出了模架固有频率和振型，确保模架的动刚度符合要求。60303 毕业论文关键词 粉末冶金 模架设计 有限元分析 Title Title Title Title The structural design of 500 tons powdermachine CNC hydraulic control formworkAbstract Abstract Abstract AbstractPowder metallurgy is a technology that manufacture metal powder and usingthe technology of metal powder forming and sintering metal to manufacturematerials and products,the important technology and equipment forproduction of powder metallurgy products is mold and mold frame.With thethe the widespread adoption of of the mold frame technology, the field ofthe application of of the powder metallurgy parts is also expanding.This paper first introduces the research background and significance,thenintroduces the development of the domestic and foreign press,then designson three and under three new mold base.Finally, using the finite elementmethod to make the analysis of static characteristics for the mold of thefemale mold,layers template components and mold the frame as a whole,todetermine there ’ s structural stiffness and strength that meet therequirements.Using the finite element method to make the modal analysisfor the whole mold base, to obtain the natural frequency and mode shapesof the mold base,to ensure the mold of the dynamic stiffness to meet therequirements. Key words powder metallurgy mold base design finite element analysis 目 录 1 绪论 .. 1 1.1 研究目的及意义 .. 1 1.2 粉末成形设备 1 1.3 课题来源 .. 3 1.4 课题研究内容 3 2 上三下三式新型模架设计 .. 5 2.1 模架的概述 . 5 2.2 主要技术指标 5 2.3 模架结构方案选择 . 7 2.4 工艺流程 1 0 2.5 上三下三式新型模架结构设计 1 1 2.6 本章小结 2 1 3 阴模组件及各层模板组件结构分析 .. 2 3 3.1 阴模组件静特性分析 . 2 3 3.2 各层模板组件静特性分析 .. 2 5 3.3 本章小结 3 5 4 模架整体结构分析 3 6 4.1 模架整体静力分析 .. 3 6 4.2 模架整体模态分析 .. 3 7 4.3 本章小结 4 2 结论 4 3 致谢 4 4 参考文献 . 4 5 附录 A 4 6
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