快锻液压机机身模态分析  

Modal analysis of the frame of twin columns pull-down high speed forging hydraulic machine

作　　者：余心宏[1] 张盛华[1] 权晓惠[2] 裴志强[2] 

机构地区：[1]西北工业大学,陕西西安710072 [2]西安重型机械研究所,陕西西安710032

出　　处：《重型机械》2005年第1期34-36,共3页Heavy Machinery

摘　　要：本文运用有限元分析软件对双柱下拉式快锻液压机进行了模态分析,得到了机架的前十阶固有频率和相应的固有振型,对了解快锻液压机的动态性能,进行结构优化设计有一定借鉴意义。This paper has analyzed the mode of the frame of 12.5 MN twin columns pull-down high speed forging hydraulic machine applying finite element analysis software.The fore ten natural frequencies and corresponding modes were obtained through modal analysis of the frame,which provided important reference value in understanding the dynamic behavior characteristics of hydraulic machine and structural optimum designing.

关 键 词：液压机 双柱 机架 机身 模态分析 固有频率 动态性能 固有振型 有限元分析软件 结构优化设计 

分 类 号：TH132.41[机械工程—机械制造及自动化] TG315.4[金属学及工艺—金属压力加工]