According to the domestic pipeline construction demand to the pipe, it is proposed to import a longitudinal seamSAW steel pipe mill as early as possible.
根据国内管道建设的需要,建议尽早引进一条直缝埋弧焊管机组。
2
The results of the SAWseam tracking experiments show that there are good dynamic characteristics and control accuracy in the system.
埋弧焊焊缝跟踪实验表明,该系统具有良好的动态性能和控制精度。
3
A new kind of the seam tracking system with non-contact ultrasonic sensor in SAW is presented in this paper.