| 矩形盒拉深时变压边力的数值模拟 |
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| 引用本文： | 王元勋,王书恒,沈为,祝洪川,李荣峰. 矩形盒拉深时变压边力的数值模拟[J]. 中国机械工程, 2007, 18(10): 1226-1229 |
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| 作者姓名： | 王元勋 王书恒 沈为 祝洪川 李荣峰 |
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| 作者单位： | 1. 华中科技大学,武汉,430074
2. 武汉钢铁公司技术中心,武汉,430080 |
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| 摘 要： | 建立了矩形盒拉深成形的三维仿真分析模型，并将其与实验结果进行了对比验证。在概述压边力在生产过程中的用途和意义的基础上，讨论了变压边力对薄板拉深成形过程的影响，利用DYNAFORM模拟软件研究了随拉深时间和压边圈位置变化的压边力对拉深成形质量的影响，得到了相应的数值模拟结果，为实际生产过程中合理调节压边力的大小提供了理论依据。研究表明，采用变压边力控制技术可以显著改善矩形盒的成形性能。
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| 关 键 词： | 板料拉深成形 变压边力 数值模拟 成形极限图 |
| 文章编号： | 1004-132X（2007）10-1226-04 |
| 修稿时间： | 2006-03-13 |
Numerical Simulation of Variable Blank-holder Force in Box Deep Drawing Process |
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| Wang Yuanxun,Wang Shuheng,Shen Wei,Zhu Hongchuan,Li Rongfeng. Numerical Simulation of Variable Blank-holder Force in Box Deep Drawing Process[J]. China Mechanical Engineering, 2007, 18(10): 1226-1229 |
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| Authors: | Wang Yuanxun Wang Shuheng Shen Wei Zhu Hongchuan Li Rongfeng |
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| Affiliation: | 1. Huazhong University of Science and Technology, Wuhan,430047; 2. Technology Centre of Wuhan Iron and Steel Co. ,Wuhan,430080 |
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| Abstract: | The 3D simulation model of box deep drawing was presented and validated with the homologous experiment. On the basis of the sketch of use and significance of blank-holder force in production, the effects on the formability of box deep drawing process were investigated with the DYNAFORM,which was applied to the variable blank-holder force(VBHF) changing with the deep drawing time and the position of the VBHF.The numerical simulation results indicate that the variable blank-holder force can improve the formability of box deep drawing process. |
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| Keywords: | sheet deep drawing variable blank-holder force(VBHF) numerical simulation forming limit diagram(FLD) |
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