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冷连轧过程中,轧制力波动对板形的影响很大,需要采用弯辊力进行实时的补偿。针对六辊冷连轧机,分别研究了仅用工作辊弯辊和采用工作辊与中间辊弯辊相结合的板形前馈控制模型。实际控制效果表明,这两种板形前馈控制模型都能有效消除轧制力波动对板形产生的不利影响;采用工作辊弯辊的板形前馈控制模型只能控制由于轧制力波动产生的二次板形,而对四次板形几乎不产生影响;而采用工作辊与中间辊弯辊相结合的板形前馈控制模型则对二次和四次板形均具有很强的控制能力。
Cold rolling process, the rolling force fluctuations on the shape of a great impact on the need to use bending force real-time compensation. For the six-roller tandem cold mill, the plate-shaped feedforward control model combining work roll bending and work roll bending with intermediate roll bending was studied respectively. The actual control results show that both of the plate-shaped feedforward control models can effectively eliminate the adverse effect of the fluctuation of the rolling force on the plate shape. The feedforward control model using the work roll bending can only control the fluctuation of the rolling force The second plate shape, and the fourth plate shape almost no effect; and the use of work roll and the intermediate roll bending plate feedforward control model is the second and fourth plate are very strong control ability.