An initial study on gas focusing plasma arc welding process

LI Tianqing; YANG Ximou; LEI Yucheng; CHEN Lu

doi:10.12073/j.hjxb.2019400283

TRANSACTIONS OF THE CHINA WELDING INSTITUTION > 2019 > 40(11): 28-32. > DOI: 10.12073/j.hjxb.2019400283

LI Tianqing, YANG Ximou, LEI Yucheng, CHEN Lu. An initial study on gas focusing plasma arc welding process[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(11): 28-32. DOI: 10.12073/j.hjxb.2019400283

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An initial study on gas focusing plasma arc welding process

Jiangsu University, Zhenjiang 212013, China

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Received Date: March 24, 2019

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Abstract

Plasma arc welding have a potential application in welding middle-thickness work-piece. The gas focusing plasma arc welding system is self-designed and constructed. And gas focusing plasma arc welding is initially studied by welding experiment in this paper. The weld is detected and analyzed by the welding monitoring system. The thermal scanning picture can reflect the real weld formation almost. With welding current as 150 A, the weld depth is 6.53 mm in conventional plasma arc welding SUS 304 of 8 mm thickness, while the work-piece is fully penetrated in gas focusing plasma arc welding. Both up weld and down weld are good in gas focusing plasma arc welding. The experimental data shows that arc voltage in gas focusing plasma arc welding is higher than that in conventional plasma arc welding with the same welding current. It is found that gas focusing plasma arc welding can improve penetrability.
- plasma arc welding,
- focusing gas,
- full penetration,
- weld formation

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蒋凡, 盛珊, 陈树君, 等. 低压环境对等离子弧穿透能力的影响[J]. 焊接学报, 2016, 37(9):51-55 Jiang Fan, Sheng Shan, Chen Shujun, et al. Effects of low pressure environment on plasma arc penetration[J]. Transactions of the China Welding Institution, 2016, 37(9):51-55

陈树君, 蒋凡, 张俊林, 等. 铝合金变极性等离子弧穿孔横焊焊缝成形规律分析[J]. 焊接学报, 2013, 34(4):1-6 Chen Shujun, Jiang Fan, Zhang Junlin, et al. Analysis of forming law of transverse welding weld of aluminum alloy variable polar plasma arc perforation[J]. Transactions of the China Welding Institution, 2013, 34(4):1-6

胡庆贤, 徐斌, 王晓丽, 等. 穿孔型等离子弧焊接热-力耦合模型优化[J]. 焊接学报, 2017, 38(1):13-16 Hu Qingxian, Xu Bin, Wang Xiaoli, et al. Optimization of thermal-force coupling model for perforated plasma arc welding[J]. Transactions of the China Welding Institution, 2017, 38(1):13-16

Gupta M R, Reddy M R, Mukherjee M M. Key-hole plasma arc welding of 8mm thick maraging steel-a comparison with multi-pass GTAW[J]. Welding in the World, 2012, 56(9-10):69-75.

蒋凡. 穿孔等离子弧焊接电弧状态及熔池稳定性研究[D]. 北京:北京工业大学, 2013.

Li X R, Heusman J, Kvidahl L, et al. Manual keyhole plasma arc welding with application[J]. Welding Journal, 2011, 90(12):258-264.

Teker T, Ozdemir N. Weldability and joining characteristics of AISI 430/AISI 1040 steels using keyhole plasma arc welding[J]. International Journal of Advanced Manufacturing Technology, 2012, 63(1-4):117-128.

Wu C S, Wang L, Ren W J, et al. Plasma arc welding:process, sensing, control and modeling[J]. Journal of Manufacturing Processes, 2014, 16(1):74-85.

Metcalfe J C, Quigley M B C. Keyhole stability in plasma arc welding[J]. Welding Journal, 1975, 54(11):401-404.

Liu Z M, Cui S L, Luo Z, et al. Plasma arc welding:process variants and its recent developments of sensing, controlling and modeling[J]. Journal of Manufacturing Processes, 2016, 23(4):315-327.

雷玉成, 郑惠锦. 工艺参数对焊接等离子弧的影响[J]. 焊接学报, 2001, 22(6):73-76 Lei Yucheng, Zheng Huijin. Effect of process parameters on welding plasma arc[J]. Transactions of the China Welding Institution, 2001, 22(6):73-76

O'brien A. Welding handbook[M]. Miami:American Welding Society, 2004.

周文瑛, 尹松. 聚焦气流对大功率等离子弧焊炬工作稳定性的影响[J]. 焊接学报, 1985, 6(2):99-104 Zhou Wenying, Yin Song. Effect of focused airflow on the working stability of high power plasma arc torch[J]. Transactions of the China Welding Institution, 1985, 6(2):99-104

Vredeveldt H L. Increased power density plasma arc welding[D]. Delft:Delft University of Technology, 2014.

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