A method for predicting the influence of tension on rolling pressure in a wet skin pass rolling process
By establishing a temperature change model for the wet leveling rolling process, calculating the thickness of the leveling fluid oil film and the friction coefficient, the influence of tension changes on rolling pressure was resolved, thus achieving stability of the rolling process and precision in shape control.
CN122400318APending Publication Date: 2026-07-17HENGSHUI STRIP ROLLING OF HEBEI IRON & STEEL GROUP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HENGSHUI STRIP ROLLING OF HEBEI IRON & STEEL GROUP
- Filing Date
- 2026-04-27
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
During wet leveling, changes in tension affect rolling pressure, leading to an increase in the thickness of the lubricating oil film and a decrease in the coefficient of friction, which in turn affects the stability and accuracy of plate shape control.
Method used
By establishing a temperature change model in the rolling zone, the thickness of the leveling fluid oil film and the friction coefficient are calculated, and the rolling pressure is predicted to ensure the stability of the rolling process.
Benefits of technology
It achieves precise control of rolling pressure during wet leveling, improving the stability of plate shape control and thickness accuracy.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122400318A_ABST
Abstract
本发明涉及一种钢轨钢氢含量预测与控制方法，属于冶金平整方法技术领域。本发明的技术方案是：收集平整机组关键设备特征参数和带材轧制工艺参数；计算当前工况下工作辊的弹性压扁半径；计算湿平整轧制过程中，轧制变形区的传热系数；计算平整液油膜温度；计算平整液油膜厚度；计算湿平整过程带钢和轧辊之间的摩擦系数；计算湿平整轧制工况下的轧制压力。本发明的有益效果是：通过根据轧制区间的润滑过程，建立轧制区间的温度变化模型，计算平整液温度变化，根据带钢不同张力情况下，确定不同的平整液油膜厚度，完成对湿平整过程中轧制压力的计算，保证轧制的稳定性。
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