立向高速GMAW驼峰焊缝的试验研究

doi:10.3901/JME.2020.14.073

机械工程学报 ›› 2020, Vol. 56 ›› Issue (14): 73-80.doi: 10.3901/JME.2020.14.073

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立向高速GMAW驼峰焊缝的试验研究

郭震^1,2, 张理^1,2, 周伟^1,2, 毕贵军^1,2, 韩冰^1,2

1. 广东省智能制造研究所广州 510070;
2. 广东省现代控制技术重点实验室广州 510070

收稿日期:2019-09-10 修回日期:2020-03-31 出版日期:2020-07-20 发布日期:2020-08-12
作者简介:郭震,男,1991年出生。主要研究方向为激增材制造技术和先进焊接技术。E-mail:gz910301@163.com
基金资助:
广东省科学院资助项目（2016GDASRC-0105，16GDASRC-0106，2017GDASCX-0115，2018GDASCX-0115，2020GDASYL-20200103125）。

Experimental Research on Humping Bead of Vertical High-speed GMAW

GUO Zhen^1,2, ZHANG Li^1,2, ZHOU Wei^1,2, BI Guijun^1,2, HAN Bing^1,2

1. Guangdong Institute of Intelligent Manufacturing, Guangzhou 510070;
2. Guangdong Key Laboratory of Modern Control Technology, Guangzhou 510070

Received:2019-09-10 Revised:2020-03-31 Online:2020-07-20 Published:2020-08-12

摘要/Abstract

摘要： 驼峰焊缝的产生严重制约了高速熔化极气体保护焊（Gas metal arc welding，GMAW）在立向焊接上的应用，目前对该技术难点研究甚少，尚无简单有效的抑制措施提出。因此，通过梳理水平高速GMAW驼峰焊缝的形成机理，以此为基础，运用自主研发的爬壁机器人焊接试验平台对立向高速GMAW驼峰焊缝进行试验研究。研究发现：立向上焊时，高速GMAW会产生驼峰焊缝缺陷，熔池中由电弧压力、熔滴冲击力和重力作用下产生的动量很大的后向液体流是形成驼峰焊缝的主要原因。此外，焊接电流和焊接速度显著影响驼峰焊缝的形貌。立向下焊时，因焊接方向和焊枪倾斜位置发生改变，使熔池中由电弧压力和熔滴冲击力作用下产生的后向液体流流向与自身重力方向相反，可有效抑制驼峰焊缝的形成。通过利用金属液体流自身重力来抑制立向高速GMAW焊接过程中驼峰焊缝的形成，大大提高了焊接速度和焊接电流，具有较高应用价值。

关键词: 立向高速GMAW, 爬壁机器人, 驼峰焊缝, 立向上焊, 立向下焊

Abstract: The production of humping bead has seriously restricted the application of gas metal arc welding (GMAW) in vertical welding. At present, a little researches on this technological difficulty have been done and no simple effective suppression measures have been put forward. Therefore the formation mechanism of humping bead in the horizontal high-speed GMAW is combed, and base on which experimental research on humping bead of the vertical high-speed GMAW is conducted by the independently developed wall-climbing robot. It is found that the humping bead will occur in the vertical high-speed GMAW when the upward welding is carried out. The main reason for the formation of humping bead is the backward liquid flow generated by arc pressure, droplet impact force and gravity. In addition, the welding current and welding speed significantly influence the morphology of humping bead. When the downward welding is carried out, the direction of the welding and the tilt position of the welding torch is changed, so that the flow direction of the backward liquid flow generated by the arc pressure and the droplet impact force in the molten pool is opposite to the direction of gravity, which can effectively suppresses the formation of the humping bead. To sum up, the gravity of metal liquid flow is used to suppress the formation of hump bead in the vertical high-speed GMAW, which greatly improves the welding speed and welding current and has great application value.

Key words: vertical high-speed GMAW, wall-climbing robot, humping bead, upward welding, downward welding

中图分类号:

TG444

郭震, 张理, 周伟, 毕贵军, 韩冰. 立向高速GMAW驼峰焊缝的试验研究[J]. 机械工程学报, 2020, 56(14): 73-80.

GUO Zhen, ZHANG Li, ZHOU Wei, BI Guijun, HAN Bing. Experimental Research on Humping Bead of Vertical High-speed GMAW[J]. Journal of Mechanical Engineering, 2020, 56(14): 73-80.

参考文献

[1] 王林, 高进强, 杨丰兆. 外加横向磁场对高速GMAW焊缝成形的影响[J]. 焊接学报, 2016, 37(10):9-12. WANG Lin, GAO Jinqiang, YANG Fengzhao. Effect of external transverse magnetic field on weld appearance[J]. Transactions of the China Welding Institution, 2016, 37(10):9-12.
[2] WANG Lin, WU Chuansong, CHEN Ji, et al. Influence of the external magnetic field on fluid flow, temperature profile and humping bead in high speed gas metal arc welding[J]. International Journal of Heat and Mass Transfer, 2018, 116:1282-1291.
[3] 陈姬, 武传松. 高速GMAW驼峰焊缝形成过程的数值分析[J]. 金属学报, 2009, 45(9):1070-1076. CHEN Ji, WU Chuansong. Numerical simulation of forming process of humping bead in high speed GMAW[J]. Acta Metallurgica Sinica, 2009, 45(9):1070-1076.
[4] 王付鑫, 于治水, 石昆. 高速电弧焊中驼峰焊缝的形成机理及影响因素探[J]. 上海工程技术大学学报, 2008, 22(3):248-253. WANG Fuxin, YU Zhishui, SHI Kun. Discussion on mechanism and influential factors of humping weld in high-speed arc welding[J]. Journal of Shanghai University of Engineering Science, 2008, 22(3):248-253.
[5] 武传松, 王林, 陈姬, 等. 高速GMAW驼峰焊缝的产生机理与抑制技术[J]. 焊接, 2016(7):4-13. WU Chuansong, WANG Lin, CHEN Ji, et al. Occurrence mechanism and suppression technology of humping bead in high-speed GMAW[J]. Welding & Joining, 2016(7):4-13.
[6] 吴东升, 华学明, 叶定剑, 等. 高速GMAW驼峰形成过程的数值分析[J]. 焊接学报, 2016, 37(10):5-8. WU Dongsheng, HUA Xueming, YE Dingjian, et al. Numerical analysis of humping formation in high speed GMAW process[J]. Transactions of the China Welding Institution, 2016, 37(10):5-8.
[7] 杨战利, 张善保, 杨永波, 等. 粗丝高速MAG焊驼峰焊缝形成机理分析[J]. 焊接学报, 2013, 34(1):61-64. YANG Zhanli, ZHANG Shanbao, YANG Yongbo, et al. Study on humping bead formation mechanism in thick-wire high-speed MAG welding[J]. Transactions of the China Welding Institution, 2013, 34(1):61-64.
[8] 方吉米, 王克鸿, 黄勇. 高速GMAW驼峰焊道形成过程熔池图像识别[J]. 焊接学报, 2019, 40(2):42-46. FANG Jimi, WANG Kehong, HUANG Yong. Weld pool image recognition of humping formation process in high speed GMAW[J]. Transactions of the China Welding Institution, 2019, 40(2):42-46.
[9] XU Guoxiang, CAO Qingnan, HU Qingxian, et al. Modelling of bead hump formation in high speed gas metal arc welding[J]. Science and Technology of Welding and Joining, 2016, 21(8):700-710.
[10] WU Dongsheng, HUA Xueming, YE Dingjian, et al. Understanding of humping formation and suppression mech-anisms using the numerical simulation[J]. International Journal of Heat and Mass Transfer, 2017, 104:634-643.
[11] 武传松, 张明贤. DE-GMAW高速电弧焊工艺机理的研究[J]. 金属学报, 2007, 43(6):663-667. WU Chuansong, ZHANG Mingxian. Study on the process mechanism of high-speed arc welding DE-GMAW[J]. Acta Metallurgica Sinica, 2007, 43(6):663-667.
[12] WU C S, HU Z H, ZHONG L M. Prevention of humping bead associated with high welding speed by double-electrode gas metal arc welding[J]. The International Journal of Advanced Manufacturing Technology, 2012, 63(5-8):573-581.
[13] 娄小飞, 陈茂爱, 武传松, 等. 高速TIG-MIG复合焊焊缝驼峰及咬边消除机理[J]. 焊接学报, 2014, 35(8):87-90. LOU Xiaofei, CHEN Maoai, WU Chuansong, et al. Humping and undercutting suppression mechanism for high speed TIG-MIG hybrid welding[J]. Transactions of the China Welding Institution, 2014, 35(8):87-90.
[14] 王林, 武传松, 杨丰兆, 等. 外加磁场对高速GMAW电弧和熔池行为的主动调控效应[J]. 机械工程学报, 2016, 52(2):1-6. WANG Lin, WU Chuansong, YANG Fengzhao, et al. Proactive control effect of arc and weld pool behaviors by an external magnetic field in high speed GMAW[J]. Chinese Journal of Mechanical Engineering, 2016, 52(2):1-6.
[15] 王林, 高进强, 李琰. 抑制高速GMAW驼峰焊道的外加磁场数值分析[J]. 焊接学报, 2016, 37(11):109-112. WANG Lin, GAO Jinqiang, LI Yan. Numerical simulation of external magnetic field for suppressing humping bead in high speed GMAW process[J]. Tran-sactions of the China Welding Institution, 2016, 37(11):109-112.
[16] BRADSTREET B. Effect of surface tension and metal flow on weld bead formation[J]. Welding Journal, 1968, 47(7):314-322.
[17] PATON E O, MANDEL S L, SIDORENKO B G. Certain special features of the formation of welds made at high speeds[J]. Autom Weld, 1971, 24(8):1-6.
[18] YAMAMOTO T, SHIMADA W. A study on bead formation in high speed TIG arc welding at low gas pressure[C]//Proceedings of the Advanced Welding Technology. The Second International Symposium of the Japan Welding Society on Advanced Welding Tech-nology, Japan. Osaka:Japan Welding Society, 1975:321-326.
[19] LIN M L, EAGAR T W. Pressures produced by gas tungsten arcs[J]. Metallurgical Transactions B, 1986, 17(3):601-607.
[20] MILLS K C, KEENE B J. Factors affecting variable weld penetration[J]. International Materials Reviews, 1990, 35(1):185-216.
[21] GRATZKE U, KAPADIA P D, DOWDEN J, et al. Theoretical approach to the humping phenomenon in welding processes[J]. Journal of Physics D:Applied Physics, 1992, 25(11):640-1647.
[22] MENDEZ P F, EAGAR T W. Penetration and defect formation in high-current arc welding[J]. Welding Journal, 2003, 82(10):296-306.
[23] NGUYEN T C, WECHMAN D C, JOHNSON D A, et al. The humping phenomenon during high speed gas metal arc welding[J]. Science and Technology of Welding and Joining, 2005, 10(4):447-459.
[24] NGUYEN T C, WECHMAN D C, JOHNSON D A, et al. High speed fusion weld bead defects[J]. Science and Tech-nology of Welding and Joining, 2006, 11(6):618-633.
[25] 胡志坤, 武传松. 高速MAG电弧焊驼峰焊缝产生过程的实验研究[J]. 金属学报, 2008, 44(12):1445-1449. HU Zhikun, WU Chuansong. Experimental investigation on forming process of humping bead in high speed MAG arc welding[J]. Acta Metallurgica Sinica, 2008, 44(12):1445-1449.

立向高速GMAW驼峰焊缝的试验研究

Experimental Research on Humping Bead of Vertical High-speed GMAW

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