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Reasons for the misalignment of straight seam steel pipe
Date:2020-05-12      Views:112Time      Label:Reasons for the misalignment of straight seam steel pipe

When the whole or more than half of the steel tube blanks show misalignment, it is usually because:

1. The opening seam is not adjusted properly;

 

2. The seam pressure roller is not adjusted properly and there is no rounding;

 

3. The edge is not pre-bent in place.

 

When the head or tail of the billet shows misalignment, it is usually because:

1. The orientation of the import and export rollers is wrong;

 

2. The ring frame is wrong;

 

3. The seam pressure roller is not well rounded, and the orientation error of a single pressure roller;

 

4. The molding is not good, and the difference between the two ends of the formed tube blank is large;

 

5. The slit width of the opening is above 150mm;

 

6. The pressure of the hydraulic system fluctuates.