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| Design and FEM analysis of multihydraulic pressure cylinder in hydro forming equipment |
| GAO Zhen-Li1, HAN Tong-Yang2 |
1. Department of Mechanicial and Electrical Engineering, Beijing Institute of Civil Engineering and Architecture,Beijing 100044,China;
2.College of Mechanicial and Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China |
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Abstract Hydroforming, also called internal high pressure forming, is a kind of plasticity process which exploits hydraulic pressure to make work pieces form different section shapes. This paper introduced principle of hydroforming, process and application in industry. In addition, constitution of Hydroforming equipment is presented in details. Analysis of multihydraulic pressure cylinder is conducted by adopting FEM theory and the application—ANSYS, in which its application background and selection of units are purposed. Furthermore, analysis is also conducted by utilizing traditional computation methods. Through compare of the two results, it can conclude that the result sought from FEM method is valid, which demonstrates that the method is feasible.
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Published: 28 October 2005
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液压成形设备中复合液压缸的设计及有限元分析
液压成形是利用液体的压力使工件成不同截面形状的一种塑性加工工艺。介绍了液压成形原理、工艺过程及在工业上的应用，详细说明了管件液压成形设备的组成。用有限元理论和ANSYS软件对液压成形设备中的复合液压缸进行分析， 指出其理论应用背景及单元的选择，并用传统的方法对其进行设计计算，将两者比较后得出：计算数值相近，均能满足要求。说明该设计方法正确。
关键词：
液压成形技术,
复合液压缸,
有限元,
ANSYS软件
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