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	激光-MIG复合焊熔透状态视觉检测方法的研究
	双元卿 ; 单际国 ; 陈武柱 ; 张永强 ; SHUANG Yuan-qing ; SHAN Ji-guo ; CHEN Wu-zhu ; ZHANG Yong-qiang
	2010-05-13 ; 2010-05-13
关键词	激光-MIG复合焊 熔透状态 视觉检测 熔池背面 laser-MIG hybrid welding penetration status vision detection the backside image of molten pool TG456.7
其他题名	Study on the method of vision detection on penetration status in Laser-MIG hybrid welding
中文摘要	激光-MIG复合对接焊中,熔透状态是反映焊缝成形质量的重要指标。为获得反映熔透状态的信息,在此采用视觉传感器对焊接过程中的熔池正面、小孔图像、熔池背面分别进行了检测。结果表明,在复合对接焊条件下,采用熔池正面图像检测或小孔热辐射图像检测的方法,不能判断出熔透状态。采用主动照明的拍摄方式并选用合适滤光片的熔池背面图像的视觉检测方法,能够获得反映焊缝熔透状态的图像。; Penetration status is an important criterion to evaluate the weld quality of laser-MIG hybrid welding in gapped butt welding.In order to acquire the information of penetration status,vision sensors have been applied to detect the topside image of molten pool,image of keyhole and the backside image of molten pool in hybrid welding respectively.The results show that penetration status can't be identified by the methods of detecting the topside image of molten pool and image of keyhole with vision sensors in gapped butt hybrid welding.The backside image of molten pool recognizing the weld penetration status has been acquired by the vision detection method of applying an external illumination source and an appropriated filter.
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/30820]
专题	清华大学
推荐引用方式 GB/T 7714	双元卿,单际国,陈武柱,等. 激光-MIG复合焊熔透状态视觉检测方法的研究[J],2010, 2010.
APA	双元卿.,单际国.,陈武柱.,张永强.,SHUANG Yuan-qing.,...&ZHANG Yong-qiang.(2010).激光-MIG复合焊熔透状态视觉检测方法的研究..
MLA	双元卿,et al."激光-MIG复合焊熔透状态视觉检测方法的研究".(2010).

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