基于辊面位移非线性补偿的极薄带轧制过程前滑预报模型研究

doi:10.3901/JME.2025.16.146

机械工程学报 ›› 2025, Vol. 61 ›› Issue (16): 146-156.doi: 10.3901/JME.2025.16.146

• 材料科学与工程 • 上一篇

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基于辊面位移非线性补偿的极薄带轧制过程前滑预报模型研究

任忠凯^1,2,3, 许雅楠^1,2,3, 陈佳钊^1,2,3, 刘晓^1,2,3, 刘亚星^1,2,3, 王涛^1,2,3

1. 太原理工大学机械工程学院太原 030024；
2. 太原理工大学先进金属复合材料成形技术及装备教育部工程研究中心太原 030024；
3. 太原理工大学金属成形技术与重型装备全国重点实验室太原 030024

接受日期:2024-08-22 出版日期:2025-03-04 发布日期:2025-03-04
作者简介:任忠凯，男，1988年出生，博士，副教授，博士研究生导师。主要研究方向为精密极薄带轧制工艺及装备设计。E-mail：zhongkai_0808@126.com;刘亚星(通信作者)，男，1990年出生，博士，讲师，硕士研究生导师。主要研究方向为极薄带轧制及表面质量控制。E-mail：liuyaxing@tyut.edu.cn
基金资助:
国家自然科学基金(52275361，52305406)、山西省科技创新人才团队专项(202304051001025)和金属成形技术与重型装备全国重点实验室开放课题(S2308100.W01)资助项目

Research on Forward Slip Prediction Model for Ultra-thin Strip Rolling Process Based on Nonlinear Compensation of Roll Surface Displacement

REN Zhongkai^1,2,3, XU Yanan^1,2,3, CHEN Jiazhao^1,2,3, LIU Xiao^1,2,3, LIU Yaxing^1,2,3, WANG Tao^1,2,3

1. College of Mechanical Engineering, Taiyuan University of Technology, Taiyuan 030024;
2. Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024;
3. State Key Laboratory of Metal Forming Technology and Heavy Equipment, Taiyuan University of Technology, Taiyuan 030024

Accepted:2024-08-22 Online:2025-03-04 Published:2025-03-04

摘要/Abstract

摘要： 前滑作为极薄带轧制过程中的重要指标参数，直接影响到轧制稳定性与工艺参数的设定。针对极薄带轧制过程中前滑预报问题，通过分析以Dresden公式、Fleck模型、有限元法等前滑计算典型方法与计算结果，得出对于Fleck模型在极薄带轧制过程前滑值计算中具有较强的适应性。同时，考虑极薄带轧制变形区实际辊面对Fleck模型中辊面位移的影响及产生的计算误差，提出辊面位移对前滑值的趋势影响因子的概念，分析不同压下率、摩擦因数、带材屈服强度、前张力、后张力等工况下对趋势影响因子对前滑的影响规律。基于最优趋势影响因子与辊面位移4阶多项式补偿，基于不同工况参数对补偿系数的随机森林重要度评分，建立基于辊面位移非线性补偿的极薄带轧制过程前滑预报模型，并进行了模型验证，实现了极薄带轧制过程前滑值的准确预报，为极薄带轧制稳定性与工艺参数设定提供了理论支撑，具有较大的推广应用价值。

关键词: 极薄带轧制, 前滑值, 辊面位移, 非线性补偿, 预报

Abstract: As an important index parameter in the rolling process of ultra-thin strip, forward slip directly affects the rolling stability and the setting of process parameters. In order to forecast the forward slip in ultra-thin strip rolling process, by analysing the typical methods and results of forward slip calculation with Dresden’s formula, Fleck model and finite element method, it is concluded that Fleck's model has a strong adaptability in the calculation of the forward slip value in the ultra-thin strip rolling process. At the same time, considering the influence of the actual roll surface displacement in the deformation zone of ultra-thin strip rolling and the calculation error generated, the concept of the trend influence factor of the roll surface displacement on the forward slip value is proposed, and the influence of the trend influence factor on the forward slip under different reduction rates, coefficient of friction, yield strength, forward tension and unwind tension is analysed. Based on the optimal trend influencing factor and the 4th order polynomial compensation of roll surface displacement, and based on the random forest importance scoring of different working condition parameters on the compensation factor, a forward slip forecasting model for rolling process of ultra-thin strip based on the nonlinear compensation of roll surface displacement is established, and the model is verified, which realises the accurate forecasting of forward slip value of the rolling process of ultra-thin strip, and provides theoretical support for the stability of the rolling process of ultra-thin strip and the setting of the process parameter. This advancement shows significant potential for widespread industrial application.

Key words: ultra-thin strip rolling, forward slip, roll surface displacement, non-linear compensation, prediction

中图分类号:

TG335

任忠凯, 许雅楠, 陈佳钊, 刘晓, 刘亚星, 王涛. 基于辊面位移非线性补偿的极薄带轧制过程前滑预报模型研究[J]. 机械工程学报, 2025, 61(16): 146-156.

REN Zhongkai, XU Yanan, CHEN Jiazhao, LIU Xiao, LIU Yaxing, WANG Tao. Research on Forward Slip Prediction Model for Ultra-thin Strip Rolling Process Based on Nonlinear Compensation of Roll Surface Displacement[J]. Journal of Mechanical Engineering, 2025, 61(16): 146-156.

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基于辊面位移非线性补偿的极薄带轧制过程前滑预报模型研究

Research on Forward Slip Prediction Model for Ultra-thin Strip Rolling Process Based on Nonlinear Compensation of Roll Surface Displacement

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