| 铝合金MIG自动焊焊接工艺 |
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| 引用本文： | 徐海涛,唐衡郴,刘春宁,尹德猛,王陆钊,田忠利.铝合金MIG自动焊焊接工艺[J].电焊机,2011,41(11):99-102. |
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| 作者姓名： | 徐海涛 唐衡郴 刘春宁 尹德猛 王陆钊 田忠利 |
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| 作者单位： | 唐山轨道客车有限责任公司制造技术中心,河北 唐山,063035 |
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| 摘 要： | 研究了铝合金车体单丝和双丝MIG自动焊的焊接方法,通过焊接对比试验,分析焊接接头的组织和力学性能,总结出两种焊接方法的最佳工艺参数.试验结果表明,双丝MIG自动焊接具有焊接速度快、热输入小、焊缝组织晶粒细小均匀、接头力学性能良好、生产效率高等优点,适用于铝合金车体批量焊接生产.
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| 关 键 词： | 铝合金 MIG自动焊 组织 力学性能 |
Study on automatic MIG welding technology of aluminum alloy |
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| XU Hai-tao,TANG Heng-chen,LIU Chun-ning,YIN De-meng,WANG Lu-zhao,TIAN Zhong-li.Study on automatic MIG welding technology of aluminum alloy[J].Electric Welding Machine,2011,41(11):99-102. |
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| Authors: | XU Hai-tao TANG Heng-chen LIU Chun-ning YIN De-meng WANG Lu-zhao TIAN Zhong-li |
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| Affiliation: | (Manufacturing Technical Center,Tangshan Railway Vehicle CO.Ltd.,Tangshan 063035,China) |
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| Abstract: | Automatic single and twin wire MIG welding of aluminum alloy car body was studied.Welding microstructure and mechanical properties of welding joints were analyzed and compared.The best welding parameters of the double welding was summarized.The results showed that microstructure grain was fine and uniform,mechanical properties was good,automatic twin wire MIG welding owed some advantages such as high welding speed and production efficiency,and low heat input.Which indicate automatic twin wire MIG welding was applicable for manufacture of aluminum alloy car body. |
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| Keywords: | aluminum alloy automatic MIG welding microstructure mechanical properties |
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