| 薄壁Y型三通管内高压成形及补料比的影响 |
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| 引用本文： | 陈浩,刘钢,苑世剑,滕步刚.薄壁Y型三通管内高压成形及补料比的影响[J].航天制造技术,2009(4). |
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| 作者姓名： | 陈浩 刘钢 苑世剑 滕步刚 |
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| 作者单位： | 首都航天机械公司;哈尔滨工业大学金属精密热加工国家级重点实验室; |
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| 基金项目： | 国家杰出青年基金资助项目(50525516) |
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| 摘 要： | 面向航空航天轻量化制造对超薄三通管的需求,开展了不锈钢和铝合金薄壁三通管内高压成形研究。通过内高压成形实验研究,给出Y型不锈钢三通和铝合金三通内高压成形典型缺陷,采用合理的加载路径和预成形工序,实现了径厚比(原始管材直径和壁厚的比值)为183的超薄不锈钢Y型三通管和径厚比为40的铝合金薄壁三通管内高压成形。通过不同补料比Y型三通管内高压成形实验研究,分析了补料比对Y型三通管壁厚和形状的影响,指出因Y型三通管两端非对称,补料比是Y型三通管内高压成形的关键工艺参数。
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| 关 键 词： | Y型三通管 内高压成形 液压成形 薄壁管件 |
Investigation of Hydroforming Thin-walled Y-shaped Three-way Tubes and Effects of Axial Feed Ratio |
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| Chen Hao Liu Gang Yuan Shijian Teng Bugang.Investigation of Hydroforming Thin-walled Y-shaped Three-way Tubes and Effects of Axial Feed Ratio[J].Aerospace Manufacturing Technology,2009(4). |
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| Authors: | Chen Hao Liu Gang Yuan Shijian Teng Bugang |
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| Institution: | 1.Capital Aerospace Machinery Company;Beijing 100076;2.National Key Laboratory Precision Hot Processing of Metals;Harbin Institute of Technology;Harbin 150001 |
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| Abstract: | Hydroforming processes of a thin-walled stainless steel and an aluminum alloy three-way tube are investigated to meet the lightweight demand of aerospace craft.Through experimental research,typical defects in hydroforming of Y-shaped three-way tubes of stainless steel and aluminum alloy are found out.By applying reasonable loading path and preforming process,the thin-walled stainless steel three-way tube with a diameter-to-thickness ratio of 183 and the aluminum three-way tube with a ratio of 40 are produce... |
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| Keywords: | three-way tube internal high pressure forming hydroforming thin-walled tube |
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