The reason for the misalignment of the head or tail of the steel pipe
1) The position of the import and export rollers is incorrect;
2) The center of the ring frame is wrong;
3) The roundness of the seam pressure roller is not good, and the position of individual pressure rollers is deviated;
4) The forming is not good, and the difference between the two sides of the formed tube blank is large;
5) The opening slit width is above 150mm;
6) Caused by pressure fluctuations in the hydraulic system.
Post time: Jun-24-2020