Nonlinear Vibration Characteristic Analysis of Roller-Plate System Based on Asymptotic Methods

被引：3

作者：

Wang, Liping ^{[1
]}

Zhao, Yulai ^{[2
]}

Zhu, Qingyu ^{[3
]}

Liu, Yang ^{[2
]}

Han, Qingkai ^{[2
]}

机构：

[1] Univ Sci & Technol Liaoning, Sch Mech Engn & Automat, Anshan 114051, Peoples R China

[2] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Peoples R China

[3] Dalian Univ Technol, Sch Mech Engn, Dalian 116024, Peoples R China

来源：

ISIJ INTERNATIONAL | 2020年 / 60卷 / 06期

基金：

中国国家自然科学基金;

关键词：

warm rolling; rolled products; Duffing equation; asymptotic methods; hysteretic characteristics; COLD; CHATTER; MILLS;

D O I：

10.2355/isijinternational.ISIJINT-2019-569

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

A roller-plate system is taken as the research object in this paper. The influence of rolled products of metal plates (thick or middle thick plate) as an excitation parameter on the vibration characteristics of the system during warm rolling process is mainly studied. In view of the hysteresis characteristics between rolling force and deformation of rolled products of metal plates in actual process, Duffing equation is innovatively introduced into the dynamic model and used to generate nonlinear force. The analytical solution of the dynamic model of the roller-plate system is obtained by asymptotic methods, and the correctness of the analytical solution is verified by Runge-Kutta method. Finally, the influence of nonlinear stiffness and nonlinear damping on vibration characteristics of rollers is analyzed, which provides an important theoretical basis for the study of nonlinear vibration characteristics and vibration suppression of roller-plate system during warm rolling.

引用

页码：1237 / 1244

页数：8

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