中厚板阻尼单辊驱动轧制的接触摩擦特性研究  

Research on contact friction characteristics of single roll drive with medium and thick plate damping

作　　者：宋苑菁 王琛 江连运[1] 赵春江[1,3] SONG Yuanjing;WANG Chen;JIANG Lianyun;ZHAO Chunjiang(College of Mechanical Engineering,Taiyuan University of Science and Technology,Taiyuan 030024,China;Shanxi Taigang Stainless Steel Co.,Ltd.,Taiyuan 030000,China;College of Intelligent Manufacturing Industry,Shanxi University of Electronic Science and Technology,Linfen 041000,China)

机构地区：[1]太原科技大学机械工程学院,山西太原030024 [2]山西太钢不锈钢股份公司,山西太原030000 [3]山西电子科技学院智能制造产业学院,山西临汾041000

出　　处：《重型机械》2024年第4期33-36,54,共5页Heavy Machinery

基　　金：国家自然科学基金(52275358);山西省重点研发计划项目(2022ZDYF038);中央引导地方科技发展资金项目(YDZJSX20231A048)。

摘　　要：为了发挥中厚板的单辊驱动轧制优势,对单辊驱动轧制进行改进,使用电机仅驱动下辊时,在上辊系添加阻尼。采用弹塑性有限元方法建立中厚板加阻尼式单辊驱动轧制有限元仿真分析模型,并对不同摩擦系数下的多种工况进行仿真分析。计算结果表明:接触面摩擦因数越大,材料流动速度分布不对称性、搓轧区长度、摩擦应力差值和轧制压力均增大,接触弧长无明显变化。To utilize the advantages of single-roll driven rolling for medium-thickness plates,single-roll driven rolling is improved by adding damping to the upper roll system when only the lower roll is driven by the motor.The elastic-plastic finite element method is used to establish a finite element simulation model of single-roll driven rolling of medium-thick plate with damping,and simulation analysis is carried out for a variety of working conditions under different friction coefficients.The calculation results show that:the larger the friction factor of the contact surface,the asymmetry of the material flow velocity distribution,the length of the rolling area,the friction stress difference and the rolling pressure increase,and there is no significant change in the contact arc length.

关 键 词：单辊驱动 中厚板轧制 摩擦系数 有限元模型 搓轧区 

分 类 号：TG335.5[金属学及工艺—金属压力加工]