UCMW冷连轧机组各架中间辊端部辊形

End contour of intermediate rolls for a UCMW cold tandem mill

针对UCMW冷带轧机板形控制中存在的两类耦合问题——边降与平坦度的控制耦合以及工作辊弯辊与中间辊弯辊的调控功效耦合,定义了描述耦合度的参数以量化其耦合程度,提出通过设计中间辊端部辊形实现对两类耦合问题的解耦思路,并以某1550UCMW冷连轧机为对象进行了中间辊端部辊形设计.仿真计算结果表明,利用所设计的中间辊端部辊形可以在一定程度上化解两类耦合问题的耦合关系,且可以进一步优化改善轧机的板形控制性能,达到提高实物板形质量的目的.

Aiming at two kinds of coupling problems in flatness control of a UCMW cold tandem mill, the coupling between edge drop control and flatness control and the controlling efficiency coupling between work roll bending and intermediate roll bending, the coupling degree parameters is defined to quantitatively express the coupling degree. A method for decoupling the two kinds of coupling problems was proposed by designing the end contour of intermediate rolls. The end contour of intermediate rolls was designed for a 1550UCMW cold tandem mill. Simulation results showed that the designed end contour of intermediate rolls decoupled the two kinds of coupling relationships in certain degree, and the mill could be further optimized to improve its flatness control performance for enhancing the physical shape quality of products.