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首页> 外文会议>Proceedings of the 10th International Conference on Steel Rolling. >Fundamentals of Making Strip Crown and Shape in the Finishing Stands of the Hot Strip Mill
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Fundamentals of Making Strip Crown and Shape in the Finishing Stands of the Hot Strip Mill

机译：在热轧机精轧机架中制作带钢凸度和形状的基础

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摘要

Numerical analysis shows that strip crown and shape are not always achieved in the early and late stands of the hot mill, respectively, according to commonly adopted theory. On the contrary, flatness defects can propagate from the early stands through the exit of the finishing mill. Concurrently, the effect of the early stands on the final strip crown can be small in comparison to the effect exerted on the crown by the later stands. The current analysis was performed by simulating shape and crown formation in the finishing mill stands using an enhanced model of roll stack deformations. The model takes advantage of a new method developed to calculate the distribution of specific roll forces along the transverse direction in the roll bite. Flatness buckling criteria have been developed that better define strip shape behavior in the finishing stands. It was established that the last three finishing stands have a dominant effect on the hot band crown, while for best results, shape correction must be performed in all finishing stands.
机译：数值分析表明，根据普遍采用的理论，在热轧机的早期和晚期机架中，带钢的凸度和形状并不能始终达到。相反，平整度缺陷会从早期机架传播到精轧机出口。同时，早期机架对最终带材牙冠的影响与后期机架对牙冠的影响相比可能很小。当前的分析是通过使用精加工的辊堆变形模型模拟精轧机机架中的形状和凸度形成来进行的。该模型利用开发的新方法来计算轧制咬合中沿横向的特定轧制力分布。已经开发出平整度屈曲准则，以更好地定义精轧机架中的带钢形状行为。可以确定的是，最后三个精轧机架对热轧带钢冠具有显着影响，而为了获得最佳效果，必须在所有精轧机架中进行形状校正。

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