颗粒阻尼吸振器对轧机辊系减振特性的研究

王明1,2,徐慧东1,2,和东平1,2,王涛1,2,王义平1,2,任超然1,2

振动与冲击 ›› 2023, Vol. 42 ›› Issue (2) : 23-34.

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振动与冲击 ›› 2023, Vol. 42 ›› Issue (2) : 23-34.
论文

颗粒阻尼吸振器对轧机辊系减振特性的研究

  • 王明1,2,徐慧东1,2,和东平1,2,王涛1,2,王义平1,2,任超然1,2
作者信息 +

Vibration reduction characteristics of a rolling mill roll system with particle damping vibration absorber

  • WANG Ming1,2,XU Huidong1,2,HE Dongping1,2,WANG Tao1,2,WANG Yiping1,2,REN Chaoran1,2
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文章历史 +

摘要

轧机在高速轧制过程中经常会发生垂直振动现象,这种振动行为会影响轧制过程的稳定性以及复合板表面质量和结合强度,不利于轧制生产高效连续进行。为了抑制轧机辊系在轧制过程中产生的垂直振动,本文设计了一种多自由度颗粒阻尼吸振器。建立了安装吸振器的轧机上工作辊垂直非线性参激振动模型。运用多尺度法求解了系统的幅频特性方程,仿真分析了振动系统的奇异特性、时域特性、频谱特性以及幅频特性。对静定轧机上工作辊进行了垂直振动控制实验,对比发现理论分析与实验结果基本吻合,证明所建立的四自由度振动模型的可靠性,结果表明颗粒阻尼吸振器能够有效的抑制轧机辊系的垂直振动并满足设计要求。

Abstract

Vertical vibration often occurs in the rolling mill during high-speed rolling, this vibration behavior will affect the stability of the rolling process and the surface quality and bonding strength of the composite plate, which is not conducive to efficient and continuous rolling production. In order to suppress the vertical vibration of the rolling mill roll system during the rolling process, a multi-degree-of-freedom particle damping vibration absorber is designed in this paper. Establish the model of vertical nonlinear parametric vibration of the upper work roll on the rolling mill with absorber. Using the multi-scale method, the amplitude-frequency characteristic equation of the system is solved, simulation and analysis the singular characteristics, time domain characteristics, frequency spectrum characteristics and amplitude-frequency characteristics of the vibration system. The vertical vibration control experiment was carried out on the upper work roll of statically determinate rolling mill, the comparison found that the theoretical analysis is basically consistent with the experimental results, prove the reliability of the established four-degree-of-freedom vibration model, the results show that the particle damping vibration absorber can effectively suppress the vertical vibration of the rolling mill roll system and meet the design requirements.

关键词

轧机 / 颗粒阻尼吸振器 / 非线性 / 垂直振动 / 多尺度法

Key words

 rolling mill / particle damping absorber / non-linear / vertical vibration / multi-scale method

引用本文

导出引用
王明1,2,徐慧东1,2,和东平1,2,王涛1,2,王义平1,2,任超然1,2. 颗粒阻尼吸振器对轧机辊系减振特性的研究[J]. 振动与冲击, 2023, 42(2): 23-34
WANG Ming1,2,XU Huidong1,2,HE Dongping1,2,WANG Tao1,2,WANG Yiping1,2,REN Chaoran1,2. Vibration reduction characteristics of a rolling mill roll system with particle damping vibration absorber[J]. Journal of Vibration and Shock, 2023, 42(2): 23-34

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