摘要
自动焊接技术是一种提厚壁管道焊接生产率和焊接质量的解决方案。采用基恩士线位移传感器,基于激光三角法原理可以精确提取焊接母材的坡口边缘特征及焊缝中心位置。爬行机器人根据测得的坡口深度和宽度的变化,来自动调节焊头的高度和摆幅。对30°的焊接母材坡口进行了实验,可以扫描得到焊接接头的3D轮廓,测得中心基准偏差为0.6~1 mm左右,为最终实现焊缝视觉跟踪提供了依据。
Automatic welding technology is a solution to improve welding productivity and quality for thick-wall pipe. Based on the principle of laser triangulation, the laser displacement sensor was applied to detect the welding groove edge characteristics and weld centerof the parent metal. The weld head height and sway were automatically adjusted by the crawling robot according to the depth and width of the welded groove measured. For parent metal welding groove of 30°, the 3D profile of the welded joint was obtained and the measured reference center deviation is about 0.6 to 1 ram. The study provide theory and experimental basis for final welding tracking.
出处
《装备制造技术》
2017年第3期87-89,共3页
Equipment Manufacturing Technology
关键词
焊接
激光位移传感器
机器视觉
管道
welding
laser displacement sensor
machine vision
pipe
