In recent years, the proportion of
seamless steel pipe in China's steel production is growing, because of its wide range of uses, its quality also put forward a higher demand, which seamless steel pipe wall thickness deviation is important for its quality One of the indicators.
In the actual production process, the general existence of the following problems:
1. Deviation in the perforation process.
2. Equipment manufacturing accuracy and structure
3. Installation and adjustment of equipment lines
4. Tube heating process
5. Tube cutting
6. Effect of tool precision
7. Use automatic rolling mill
