A new process of high speed seamwelding with secondary rectification for double seam possesses good weld quality, high welding speed, smooth bead and low consumption features.
双缝高速次级整流缝焊是一项新工艺，具有焊接质量好、焊接速度快、焊缝表面光洁及能耗低等优点。
2
The results of experiments prove that the automatic seam tracking system based on double-mode control can realize real-time automatic seam tracking of the welding torch of welding robot.
实验证明，基于双模控制的焊缝自动跟踪系统可以实现焊接机器人焊枪对焊缝的实时自动跟踪。
3
Also, improve the overlapped length of the tail frame and the frame and change the weldingseam into intermittent seam, therefore the frame strength can be effectively increased.