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| 液压成形同步冲孔工艺仿真分析及试验 |
| Simulation Analysis and Experimental Research on Hydro-piercing |
| Received:October 10, 2017 Revised:November 10, 2017 |
| DOI：10.3969/j.issn.1674-6457.2017.06.015 |
| 中文关键词: 液压成形 液压冲孔 仿真分析 工艺试验 应力 应变 |
| 英文关键词: hydroforming hydro-piercing simulation analysis process experiment stress strain |
| 基金项目: |
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| 中文摘要: |
| 对液压冲孔过程进行分析，介绍了液压成形同步冲孔的工艺原理，分析了不同类型液压冲孔的特点和应用范围。采用有限元分析方法，建立了液压冲孔仿真有限元模型，并对冲孔过程中应力分布和应变变化情况进行分析。在此基础上，进行液压冲孔工艺试验，把工艺试验结果与有限元分析结果进行比较。结果显示，液压冲孔仿真分析与工艺试验呈现相同的变化规律，仿真分析能够较好预测实际冲孔过程。 |
| 英文摘要: |
| This paper introduced the hydro-piercing principle, and analyzed characteristics and application range of different hydro-piercing types. The finite element model on hydro-piercing simulation was established, and stress distribution and strain variation were analyzed. On this base, the hydro-piercing experiment was carried out. Result of experiment and FEA were compared. The results show that the simulation analysis and the experiment have the same change tendency, and the simulation analysis can predict the actual hydro-piercing process exactly. |
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