| 带孔拉延临界孔的试验研究与实际应用 |
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| 引用本文： | 韩来福.带孔拉延临界孔的试验研究与实际应用[J].新技术新工艺,2011(10):101-103. |
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| 作者姓名： | 韩来福 |
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| 作者单位： | 内蒙古一机集团六分公司,内蒙古 包头,014032 |
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| 摘 要： | 对于冲压工艺中常见的带孔拉延进行变形趋向的理论分析，根据产品零件计算变形孔的临界值，结合实际生产对厚料拉延底孔变形与薄料拉延进行比较，并对此进行试验研究。本文试验研究的结果在实际生产中得到验证与应用，可直接用于工艺计算。
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| 关 键 词： | 拉延 带孔拉延 拉延系数 临界计算 应力 |
Calculation and Research on Critical Piercing in the Pierced-drawing Technique |
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| HAN Laifu.Calculation and Research on Critical Piercing in the Pierced-drawing Technique[J].New Technology & New Process,2011(10):101-103. |
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| Authors: | HAN Laifu |
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| Affiliation: | HAN Laifu(The Sixth Branch Company,Inner Mongolia First Machinery Group Corporation,Baotou 014032,China) |
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| Abstract: | Analyzed the common deformation tendency of pierced-drawing technique in sheet metal forming and according to the critical value of the deformation piercing calculated from the actual parts,compared the deformation of bottom piercing in thick metal sheet with the one in thin metal sheet,and conducted relative research.The result of the research has been tested in practical production and could be used in process calculation. |
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| Keywords: | Drawing Pierced-drawing Drawing coefficient Critical calculation Stress |
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