The edge condition of strip steel is the main factors affect pipe forming and weld quality.
钢带的边缘状况是影响焊管成型和焊接质量的主要因素。
Detecting the weld line and its edge directly by visual sensor can achieve much useful information, which is very important in the research of weld line automatic tracking.
采用机器视觉直接观察可以获得很多关于熔池区及其边界的有益信息，对研究熔池形貌自动跟踪有十分重要的意义。
The problems of influences of edge displacement disturbance, tack weld disturbance and high arc temperature on the sensor have been solved.
在传感器方面解决了错边干扰、定位焊点干扰及电弧高温的影响。
The above symbols should be put in the proper position of film, and the distance from weld edge should be at least 5mm (see picture3).
上述定位标记和识别标记均应放在胶片的适当位置，并离焊缝边缘至少5mm(图3)。
Mirror the model over, weld the middle points, and then remove the middle edge (Fig. 09).
镜像模型，焊接中间的点，然后移除中间的线。
Indicates a weld in a flanged edge groove.
指示在折缘沟中焊接。
Then the accurate three-dimension position of the edge points in the weld seam can be obtained from them by using information fusion algorithm.
对这三组坐标进行信息融合，可以更加精确的获得特征点的空间坐标。
Then the accurate three-dimension position of the edge points in the weld seam can be obtained from them by using information fusion algorithm.
对这三组坐标进行信息融合，可以更加精确的获得特征点的空间坐标。
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