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首页> 外文期刊>Journal of Manufacturing Processes >Analysis of welding process stability and weld quality by droplet transfer and explosion in MAG-laser hybrid welding process
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Analysis of welding process stability and weld quality by droplet transfer and explosion in MAG-laser hybrid welding process

机译：MAG激光混合焊接工艺中熔滴转移和爆炸的焊接工艺稳定性和焊接质量分析

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摘要

The metallic vapor and molten pool include plenty of welding information in the manufacturing process of MAG (Metal Active Gas Arc Welding)-laser hybrid welding. In this work, double high speed cameras are used to take the real-time images of the top-vapor and bottom-molten pool in the hybrid welding process. In order to monitor welding process status and weld quality, this paper proposes a method which combines the period of droplet transfer and droplet explosion. In time domain, the morphological features include the area of top-vapor, area of spatters, number of spatters and the average gray value of the bottom-molten pool, those features are used to research the stability of short circuiting transfer as well as the mechanism of the welding process. Besides, the welding process stability and weld quality are analyzed by features including the period of droplet transfer and droplet explosion in time and frequency domain. The experimental results show the period of droplet transfer and droplet explosion can effectively reflect welding process and weld quality. It provides a basis for monitoring and controlling MAC -laser hybrid welding process status. (C) 2018 The Society of Manufacturing Engineers. Published by Elsevier Ltd. All rights reserved.
机译：在MAG（金属活性气体弧焊）-激光混合焊接的制造过程中，金属蒸气和熔池包含大量的焊接信息。在这项工作中，在混合焊接过程中，使用了双高速摄像头来实时拍摄顶部蒸气和底部熔池的实时图像。为了监测焊接过程状态和焊接质量，提出了一种结合液滴转移和液滴爆炸时间的方法。在时域中，形态特征包括顶部蒸气的面积，飞溅的面积，飞溅的数量和底部熔池的平均灰度值，这些特征用于研究短路转移的稳定性以及焊接过程的机理。此外，还通过在时域和频域内包括熔滴转移的周期和熔滴爆炸的时间来分析焊接过程的稳定性和焊接质量。实验结果表明，液滴转移和液滴爆炸的时间可以有效地反映焊接过程和焊接质量。它为监视和控制MAC激光混合焊接工艺状态提供了基础。 （C）2018年制造工程师学会。由Elsevier Ltd.出版。保留所有权利。

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  • 来源
    《Journal of Manufacturing Processes》 |2018年第4期|522-529|共8页
  • 作者

    Gao Xiangdong; Wang Yu; Chen Ziqin; Ma Bo; Zhang Yanxi;

  • 作者单位

    Guangdong Univ Technol, Guangdong Prov Welding Engn Technol Res Ctr, Higher Educ Mega Ctr, 100 West Waihuan Rd, Guangzhou 510006, Guangdong, Peoples R China;

    Guangdong Univ Technol, Guangdong Prov Welding Engn Technol Res Ctr, Higher Educ Mega Ctr, 100 West Waihuan Rd, Guangzhou 510006, Guangdong, Peoples R China;

    Guangdong Univ Technol, Guangdong Prov Welding Engn Technol Res Ctr, Higher Educ Mega Ctr, 100 West Waihuan Rd, Guangzhou 510006, Guangdong, Peoples R China;

    Guangdong Univ Technol, Guangdong Prov Welding Engn Technol Res Ctr, Higher Educ Mega Ctr, 100 West Waihuan Rd, Guangzhou 510006, Guangdong, Peoples R China;

    Guangdong Univ Technol, Guangdong Prov Welding Engn Technol Res Ctr, Higher Educ Mega Ctr, 100 West Waihuan Rd, Guangzhou 510006, Guangdong, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Hybrid welding; Welding process stability; Weld quality; Droplet transfer; Droplet explosion;

    机译：混合焊接;焊接工艺稳定性;焊接质量;小滴转移;小滴爆炸;

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