First, why there is an error:
1. The size and shape of the billet are not standard.
2. Vibration, shock of transmission equipment and loosening of transmission system.
3. Unreasonable and unstable roll clearance in the rolling process.
4. Instability of rolling force.
The above factors will have a certain impact on the size of steel, surface quality, mechanical properties, etc., so in the steel production process, a series of measures need to be taken to reduce the error.
Second, how to optimize (reduce) the error
1. Optimize the rolling process
By optimizing the rolling process, including selecting suitable rolling process parameters, optimizing process control, reducing roll wear, etc., the rolling process is more stable and the error is reduced.
2. Control roll clearance
The size of roll gap has a great influence on the size and shape of steel, so the error can be effectively reduced by adjusting the size of roll gap and ensuring its stability.
3. Adjust rolling force
Rolling force has a great influence on the size, surface quality and mechanical properties of steel, so by adjusting the rolling force, it can be stabilized in a reasonable range, and the error can be effectively reduced.
In addition, factors such as roll material and roll shape can be optimized to further improve the error control ability of the rolling mill.
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