Vertical Vibration Model for Unsteady Lubrication in Rolls-Strip Interface of Cold Rolling Mills

According to the vertical vibration phenomena existing in cold rolling mills, the unsteady lubrication mechanism in roll gap and its influence to rolling stability was chosen as the case for analysis. On the basis of rolling theory, lubrication and friction theory, and mechanic vibration theory, the...

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Bibliographic Details
Published in:Advances in Mechanical Engineering 2012, Vol.2012 (2012), p.1-7
Main Authors: Yang, Xu, Li, Qing, Tong, Chao-nan, Liu, Qi-han
Format: Article
Language:English
Subjects:
Aluminum
Cold rolling
Geometry
Lubricants & lubrication
Spectrum analysis
Steel industry
Studies
Theory
Validity
Velocity
Working conditions
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Summary:According to the vertical vibration phenomena existing in cold rolling mills, the unsteady lubrication mechanism in roll gap and its influence to rolling stability was chosen as the case for analysis. On the basis of rolling theory, lubrication and friction theory, and mechanic vibration theory, the vertical vibration model for unsteady lubrication in rolls-strip interface was presented. The Geometry model of roll gap, the unsteady lubrication model of roller-strip working interface, the distribution model of normal rolling stress and friction stress, and the rolling vertical structure model were taken into account. Based on the rolling equipment and process parameters of aluminium mill, the rolling force curve and dynamic response of working roll displacement variation was simulated on Matlab/Simulink platform. A comparison with actual production data shows the validity of this vibration model.
ISSN:1687-8132
1687-8140
1687-8132
DOI:10.1155/2012/734510