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铝合金薄板高斯脉冲MIG焊

朱强, 薛家祥, 徐敏

朱强, 薛家祥, 徐敏. 铝合金薄板高斯脉冲MIG焊[J]. 焊接学报, 2016, 37(8): 71-74,90.
引用本文: 朱强, 薛家祥, 徐敏. 铝合金薄板高斯脉冲MIG焊[J]. 焊接学报, 2016, 37(8): 71-74,90.
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ZHU Qiang, XUE Jiaxiang, XU Min. Gaussian pulsed MIG welding of aluminum alloy sheet[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(8): 71-74,90.
Citation: ZHU Qiang, XUE Jiaxiang, XU Min. Gaussian pulsed MIG welding of aluminum alloy sheet[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(8): 71-74,90.
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铝合金薄板高斯脉冲MIG焊

  • 1.

    广东交通职业技术学院 电子与通信工程学院, 广州 510800

  • 2.

    华南理工大学 机械与汽车工程学院, 广州 510640

基金项目: 广东省科技计划资助项目（2013B090600098）；广州市黄埔区科技计划资助项目（201341）；佛山市科技计划资助项目（2011AA100175）

Gaussian pulsed MIG welding of aluminum alloy sheet

  • 1.

    School of Electronic and Communication Engineering, Guangdong Communication Polytechnic, Guangzhou 510800, China

  • 2.

    School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China

摘要

    摘要
  • 摘要: 提出了GAUSS-MIG焊模型，成功在2 mm和3 mm厚度的铝合金薄板进行了焊接试验.通过分析试验采集的信号，发现焊接电流电压波形规整、分布有规律，重复性好，能量输入集中，弧长稳定，证明了GAUSS-MIG焊的焊接过程平稳.GAUSS-MIG焊焊缝的力学性能比传统的铝合金双脉冲焊有一定的提高，并且焊缝外观鱼鳞纹清晰工整，表面光亮，熔高和熔深合适，焊接过程几乎无飞溅发生，电弧声柔和，焊接质量好.
    Abstract: It is hard to weld aluminum alloy for its inherent features. A new welding method, which uses a Gaussian current waveform with a smooth curve and concentrated energy input, was applied to welding of aluminum alloy sheet. GAUSS-MIG welding model was proposed, 2 mm and 3 mm aluminum sheet were successfully welded in experiments. Current and voltage waveforms were regular with no broken arcs or short circuits. Moreover, the arc voice sound was soft with low splatter. By contrast with double pulsed welding, GAUSS-MIG welding improves the mechanical properties of weld, weld seam appearances are bright with regular scaly stripes and proper weld reinforcement and penetration.
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    • 参考文献(8)
  • [1] 殷树言. 气体保护焊工艺基础及应用[M]. 北京:机械工业出版社, 2012.
    [2] Subramaniam S, White D R, Jones J E, et al. Droplet transfer in pulsed gas metal arc welding of aluminum[J]. Welding Journal, 1998, 77(11):458-464.
    [3] Da SCLM, Scotti A. The influence of double pulse on porosity formation in aluminum GMAW[J]. Journal of Materials Processing Technology, 2006, 171(3):366-372.
    [4] 姚屏, 薛家祥, 蒙万俊, 等. 工艺参数对铝合金双脉冲MIG焊焊缝成形的影响[J]. 焊接学报, 2009. 30(3):69-72+116-117. Yao Ping, Xue Jiaxiang, Meng Wanjun, et al. Influence of processing parameters on weld forming in double pulse MIG welding of aluminum alloy[J]. Transactions of the China Welding Institution, 2009, 30(3):69-72.
    [5] Ferraresi V A, Figueiredo K M, Ong T H. Metal transfer in the aluminum gas metal arc welding[J]. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2003, 25(3):229-234.
    [6] Ghosh P K, Dorn L, Kulkarni S, et al. Arc characteristics and behaviour of metal transfer in pulsed current GMA welding of stainless steel[J]. Journal of Materials Processing Technology, 2009, 209(3):1262-1274.
    [7] 魏仲华, 龙鹏, 陈小峰, 等. MIG焊铝正弦波调制脉冲控制参数应用[J]. 焊接学报, 2012, 33(4):9-12. Wei Zhonghua, Long Peng, Chen Xiaofeng, et al. Application of control parameter in sinusoid modulation pulsed MIG welding of aluminum alloy[J]. Transactions of the China Welding Institution, 2012, 33(4):9-12.
    [8] 路浩, 邢立伟, 梁志明. 铝合金活性MIG焊接电弧行为及微观组织分析[J]. 焊接学报, 2014, 35(11):1-4. Lu Hao, Xing Liwei, Liang Zhimin, et al. Arc behavior of A-MIG welding and microstructure of aluminum alloy welded joint[J]. Transactions of The China Welding Institution, 2014, 35(11):1-4.
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出版历程
  • 收稿日期:  2015-03-03

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