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石玗, 汪海涛, 薛诚, 刘啸天. 旁路耦合电弧MIG焊熔池视觉实时检测[J]. 焊接学报, 2011, (2): 29-32.
引用本文: 石玗, 汪海涛, 薛诚, 刘啸天. 旁路耦合电弧MIG焊熔池视觉实时检测[J]. 焊接学报, 2011, (2): 29-32.
SHI Yu, WANG Haitao, XUE Cheng, LIU Xiaotian. Real-time visual detection of welding pool in double-electrode MIG welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2011, (2): 29-32.
Citation: SHI Yu, WANG Haitao, XUE Cheng, LIU Xiaotian. Real-time visual detection of welding pool in double-electrode MIG welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2011, (2): 29-32.

旁路耦合电弧MIG焊熔池视觉实时检测

Real-time visual detection of welding pool in double-electrode MIG welding

  • 摘要: 提出了一种高效旁路耦合电弧MIG焊方法,针对该方法利用普通CCD摄像机配合复合滤光镜片在连续大电流条件下,获取了清晰的熔池图像.利用数字图像处理技术,通过Labview软件IMAQ模块对熔池图像进行实时处理,通过对比分析各种图像处理方法提取熔池边缘的结果,得到了最佳的形态学处理方法,并进行了熔池宽度的实时检测.结果表明,文中提出的图像处理系统可以满足图像实时检测的时间和精度要求,为进一步实现旁路耦合电弧MIG焊质量控制奠定了基础.

     

    Abstract: An efficient bypass arc welding method was presented.By employing common CCD camera with composite filter glass,the clear image of welding pool was captured under the condition of continuous high current.With digital graphic processing technique,images were processed in real time by IMAQ module of Labview.The best morphological processing approach was obtained by comparing the width of molten pool extracted in various image processing methods.The width of molten pool can be measured and the data can be saved automatically.It laid a foundation for the realization of quality control in double-electrode MIG welding.

     

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