| 挤压丝锥结构参数对内螺纹冷挤压成形过程扭矩的影响 |
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| 引用本文： | 黄小龙,黎向锋,左敦稳,缪宏,史大彬.挤压丝锥结构参数对内螺纹冷挤压成形过程扭矩的影响[J].工具技术,2012,46(10):18-22. |
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| 作者姓名： | 黄小龙 黎向锋 左敦稳 缪宏 史大彬 |
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| 作者单位： | 1. 南京航空航天大学
2. 扬州大学 |
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| 摘 要： | 将内螺纹冷挤压成形过程分为三个主要阶段,并将成形过程扭矩最大值作为标定整个成形过程扭矩的指标,得到其理论计算公式,并在得到试验验证的基础上,研究分析了挤压丝锥各结构参数(挤压锥部长度、校正部长度、挤压锥角、铲背量、棱齿数、大径及螺距)对其成形过程扭矩的影响规律。
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| 关 键 词： | 挤压丝锥 结构参数 内螺纹冷挤压 扭矩 |
Effect of Structural Parameters of Extrusion Tap on Torque during Forming Process of Internal Thread by Cold Extrusion |
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| Huang Xiaolong
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Li Xiangfeng
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Zuo Dunwen
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Miu Hong
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Shi Dabing.Effect of Structural Parameters of Extrusion Tap on Torque during Forming Process of Internal Thread by Cold Extrusion[J].Tool Engineering(The Magazine for Cutting & Measuring Engineering),2012,46(10):18-22. |
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| Authors: | Huang Xiaolong Li Xiangfeng Zuo Dunwen Miu Hong Shi Dabing |
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| Abstract: | The process of internal threads formed by cold extrusion is divided into three main stages and the maximum torque is set as the indicator of the entire forming process, then the effect of the structural parameters of the extrusion tap including the length of extrusion cone, length of correction part, extrusion cone angle, edge number, back off weight, large diameter and pitch on the torque during the forming process is analyzed based on the theoretical formula of the maximum torque derived and experimentally verified. |
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| Keywords: | extrusion tap structural parameters internal threads formed by cold extrusion torque |
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