| 缩径挤压工艺及模具设计 |
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| 引用本文： | 李春庄,秦贤军,张霞,任茜.缩径挤压工艺及模具设计[J].精密成形工程,2012,4(5):80-81,88. |
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| 作者姓名： | 李春庄 秦贤军 张霞 任茜 |
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| 作者单位： | 淮海工业集团有限公司,山西长治,046012 |
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| 摘 要： | 根据零件成形特点，分析了成形前的坯料加工工艺，找出了坯料加工与挤压成形的切入点，设计了正挤缩径与反挤成形组合工艺装置，综述了缩径挤压模具的设计要点、模具结构、工作原理及实际应用效果。
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| 关 键 词： | 缩径 反挤压 组合凹模 |
| 收稿时间： | 2012/8/23 0:00:00 |
| 修稿时间： | 2012/9/10 0:00:00 |
Necking and Extrusion Technology and Die Design |
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| LI Chun-zhuang,QIN Xian-jun,ZHANG Xia and REN Qian.Necking and Extrusion Technology and Die Design[J].Journal of Netshape Forming Engineering,2012,4(5):80-81,88. |
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| Authors: | LI Chun-zhuang QIN Xian-jun ZHANG Xia and REN Qian |
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| Affiliation: | (Huaihai Industry Group Limited Company, Changzhi 046012, China) |
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| Abstract: | According to the forming characteristics the billet preparation before forming is analyzed and extrusion is taken as a procedure. The combined die of forward extrusion necking and backward extrusion is designed. The main points of die de sign, die structure, working principle and actual application effect are introduced. |
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| Keywords: | necking backward extrusion combination die |
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