| 正向充液变薄拉深工艺的研究 |
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| 引用本文： | 周照耀,康达昌.正向充液变薄拉深工艺的研究[J].锻压技术,1997,22(2):24-27. |
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| 作者姓名： | 周照耀 康达昌 |
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| 作者单位： | [1]华南理工大学 [2]哈尔滨工业大学 |
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| 摘 要： | 提出了一种称为正向充液变薄拉深的工艺方法。从理论上推导出变薄成形传力区拉应力计算式，并采用软铝车削毛坯进行了正向充液变薄拉深试验。当液压达到了１２０ＭＰａ时，车削铝毛坯的极限变薄拉深系数由０．５减小到０．３，说明正向充液变薄拉深工艺能有效地提高一次变薄拉深成形极限。
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| 关 键 词： | 变薄拉深 极限变薄系数 冲压 正向充液 |
Study on forward hydro-mechanical ironing |
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| Zhou Zhaoyao, Li Zhennan, Ruan FengKang Dachang, Cheng Qiumou.Study on forward hydro-mechanical ironing[J].Forging & Stamping Technology,1997,22(2):24-27. |
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| Authors: | Zhou Zhaoyao Li Zhennan Ruan FengKang Dachang Cheng Qiumou |
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| Affiliation: | (South China Universiey of Technology) Zhou Zhaoyao; Li Zhennan; Ruan Feng(Harbin Institute of Technology )Kang Dachang; Cheng Qiumou |
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| Abstract: | A new technique named as forward hydro-mechanical ironing is put forward. Formulas for counting the force-transmitting area's tensile stress of ironinig are derived out, and experiments of forward hydro-mechanical ironing in turned soft-aluminum pre forms are carried out. When hydraulic pressure reaches 120 MPa, ironing limit coefficient of turned soft-aluminum pre forms reduces from 0. 5 to 0. 3. This shows that the new technique of forward hydro-mechanical ironing can effectively increase the forming limit of ironing for a single time. |
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| Keywords: | Ironing Hydraulic forming Ironing limit coefficient |
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