Research on the Vibration of Sheet Metal near the Zinc Pot Area in Continuous Hot-dip Galvanizing Line

被引：5
|
作者：
Xu, Peimin [1 ]
Wang, Biao [1 ]
Ye, Jinjie [1 ]
Zhang, Haijuan [1 ]
Huang, Zhilai [1 ]
Xu, Xiaokui [2 ]
机构：
[1] Anhui Univ Technol, Sch Mech Engn, Maanshan 243002, Peoples R China
[2] Maanshan Iron & Steel Corp Ltd, Steel Making & Rolling Cent Plant 4, Maanshan 243051, Peoples R China
来源：
FUNCTIONAL MANUFACTURING AND MECHANICAL DYNAMICS II | 2012年 / 141卷
基金：
美国国家科学基金会;
关键词：
Continuous Hot-dip Galvanizing; Strip Vibration; Fault Diagnosis; Axis Moving Continua;
D O I：
10.4028/www.scientific.net/AMM.141.471
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Large vibration of the sheet metal near the air knife is one of the main factors controlling the accuracy of thickness of the cladding zinc in continuous hot-dip galvanizing line. Lots of vibration tests are carried out on the strip and main equipments in the zinc pot area of a galvanizing line during downtime and operation in order to diagnose causes of the large vibration of the strip near the air knife. Theoretic foundation of adjustment of control parameters to suppress the strip vibration is established. Main mechanisms of large vibration of the strip are found by the theory of the transverse vibration of axially moving continua. The first one is the resonance of forced vibration induced by support movement aroused by passive rollers' sloshing in the zinc pot, and the other is the parametrically excited resonance of the strip induced by tension fluctuation enlarged by local structural resonances of the cooling tower.
引用
收藏
页码：471 / +
页数：2
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