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Numerical Simulation and Parameter Design of Strip Cold Rolling Process of 301L Stainless Steel in 20-Roll Mill
Metallurgical and Materials Transactions B ( IF 2.4 ) Pub Date : 2020-05-29 , DOI: 10.1007/s11663-020-01868-y
Junchen Li , Xutao Huang , Guocai Ma , Junwei Wang , Jixiang Pan , Qiang Ruan

With the rapid development of rail vehicles, 301L strip has become the main material of the rail vehicles, and its flatness quality has got much attention. Meanwhile, 20-roll mill becomes the most important cold rolling equipment for 301L strip forming, because of its high precision and wide application. To study the flatness control theory of cold rolling 301L strip in 20-roll mill, a finite element model is established based on elastoplastic theory. The stress–strain field is used to characterize the strip flatness under different rolling parameters. After analysis, the results show that the front and back tension have the most obvious effects on strip flatness. The friction coefficient and rolling speed are beneficial to the control of the strip flatness when they increase within a certain range.

中文翻译:

20辊轧机301L不锈钢带钢冷轧工艺数值模拟及参数设计

随着轨道车辆的快速发展,301L钢带已成为轨道车辆的主要材料,其平整度质量备受关注。同时,20辊轧机精度高,应用广泛,成为301L带钢成型最重要的冷轧设备。为研究20辊轧机冷轧301L带钢平整度控制理论,建立了基于弹塑性理论的有限元模型。应力-应变场用于表征不同轧制参数下的带钢平整度。经分析,结果表明,前后张力对带钢平整度的影响最为明显。摩擦系数和轧制速度在一定范围内增加时,有利于控制带钢平整度。
更新日期:2020-05-29
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