Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧机缝图象的识别起到很好的效。

The purpose of prebending process of longitudinal submerged arc welding pipe production line is introduced;character of roller prebending and mould press type prebending is analyzed.

对螺旋埋弧钢管在过程咬边的原因进行了分析,提出了针对这些原因应采取的相应措施。