| 基于板料冲压的压边力拉深成形数值模拟分析 |
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| 引用本文： | 林凤涛.基于板料冲压的压边力拉深成形数值模拟分析[J].电加工与模具,2007(3):45-47. |
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| 作者姓名： | 林凤涛 |
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| 作者单位： | 华东交通大学机电工程学院,江西南昌,330013 |
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| 摘 要： | 压边力是板料拉延成形过程的重要工艺参数之一,合理控制压边力的大小,可避免成形件起皱或破裂等缺陷.建立了三角冲压件的有限元模型,利用DYNAFORM软件,采用数值模拟的方法研究了三角形冲压件拉深时,压边力随时间及位置变化对成形性能的影响.分析结果表明,通过控制拉深过程压边力值的大小和分布,能有效地控制金属的流动,提高板材的成形性能.
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| 关 键 词： | 板料冲压 数值模拟 压边力 有限元法 |
| 修稿时间： | 2007-01-10 |
Numerical Simulation Analysis of BHF Drawing Forming about Sheet Metal Parts |
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| Lin Fengtao.Numerical Simulation Analysis of BHF Drawing Forming about Sheet Metal Parts[J].Electromachining & Mould,2007(3):45-47. |
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| Authors: | Lin Fengtao |
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| Affiliation: | East China Jiaotong University, Nanchang 330013, China |
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| Abstract: | Blank holder force(BHF) is one of the important parameters in deep drawing process of sheet metal,appropriate control of it can eliminate such defects as wrinkling and fracture.The finite element method(FEM) model of drawing of trigonal stamping part is set up.Using the software of DYNAFORM,adopt the method of numerical simulation to study BHF influences the performance of stamping with the change of time and location.The simulation analysis of forming limit is put up based on the different modes of BHF.The results of the analysis show the satisfied results in comparison with the constant BHF control were obtained. |
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| Keywords: | sheet forming numerical simulation BHF FEM |
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