For the primary convexity problem of strip steel, the staff can use the progressive roller adjustment method to solve it. The basic idea of this method is: to generate appropriate adjustment force by adjusting the gap between the front and rear rollers and to reduce it successively at the roller ends so that the strip steel gradually transforms into the required flat state in the roller group.
In the specific implementation process, the feasibility test method often precedes the formal adjustment process.
The specific steps are: first, set the deviation value, such as 100mm;
Secondly, the deviation value is divided into equally sized intervals in mm/s based on the required adjustment. For example, when the deviation value is 750mm, it can be evenly divided into seven 100mm intervals, and then adjustment points (that is, inputting different adjustment amounts) can be inserted at these seven intervals.
During the adjustment process, the progressive adjustment method also needs to be effectively monitored and controlled. For example, when applying the progressive adjustment method, it is necessary to collect the real-time data of the rolling mill follow-up interpolation in a timely manner and make full use of its feedback information to optimize the adjustment parameters and methods to ensure the effectiveness and stability of the entire adjustment process.

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