| 多层波纹管焊接接头设计与焊接工艺研究 |
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| 引用本文： | 王志云,袁立铭,李兴龙,段京燕.多层波纹管焊接接头设计与焊接工艺研究[J].航天制造技术,2011(3). |
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| 作者姓名： | 王志云 袁立铭 李兴龙 段京燕 |
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| 作者单位： | 北京航天动力研究所;首都航天机械公司; |
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| 摘 要： | 介绍了多层波纹管焊接接头结构形式,分析了多层波纹管的焊接工艺性及工艺难点。采用滚焊+熔焊的焊接工艺,解决了焊接后焊缝气孔缺陷、熔深浅的问题。改进后的批产试验件焊缝一次交检全部达到I级标准,并通过地面单元试验考核。
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| 关 键 词： | 多层波纹管 焊接接头 焊接工艺 |
Design and Welding Technology of Multi-bellows Welded Joints |
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| Wang Zhiyun Yuan Liming Li Xinglong Duan Jingyan.Design and Welding Technology of Multi-bellows Welded Joints[J].Aerospace Manufacturing Technology,2011(3). |
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| Authors: | Wang Zhiyun Yuan Liming Li Xinglong Duan Jingyan |
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| Institution: | Wang Zhiyun1 Yuan Liming2 Li Xinglong2 Duan Jingyan2(1.Beijing Aerospace Propulsion Institute,Beijing 100076,2.Capital Aerospace Machinery Company,Beijing 100076) |
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| Abstract: | The joint structures of welding multi-bellows are introduced and the procesibility and difficulty of welding multi-bellows are analyzed in this paper.The problems related to weld porosity and melting depth are resolved by the process of rolling weld and fusion weld.All welding seam of batch production test coupon had been up to I-level standard and met the requirements in ground experimental assessment. |
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| Keywords: | multi-bellows welded joints welding process |
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