Paper Title:
Study on Dynamical Modeling of the Rolling Mill Vertical System
  Abstract

Vertical vibration is universal in the vertical system of rolling mill. It has a seriously bad effect on the quality of strip. Dynamic model of the vertical system plays an important role in the analysis of vertical vibration in rolling mill. On the basis of 1420mm six roller cold rolling mill, ADAMS rigid model and flexibility model are established in this paper. Contact stiffness of rollers is calculated through ansys simulation. Contact stiffness between the work-roll and strip is calculated by using theoretical methods and stiffness of mill stand is calculated by simplifying mill stand structure. Natural frequency and some amplitude-frequency response of vertical vibration are analyzed. The test results prove that the modeling method is feasible. Vibration derived from the deformation of rolls can be observed directly in the flexible model, which can’t be realized in the rigid body model. At the same time, the new method of calculating vertical system stiffness is also proved to be reasonable.

  Info
Periodical
Advanced Materials Research (Volumes 383-390)
Chapter
Chapter 19: Modeling, Analysis, and Simulation of Manufacturing Processes II
Edited by
Wu Fan
Pages
4825-4830
DOI
10.4028/www.scientific.net/AMR.383-390.4825
Citation
X. J. Shi, D. P. Wu, Z. Y. Gao, "Study on Dynamical Modeling of the Rolling Mill Vertical System", Advanced Materials Research, Vols. 383-390, pp. 4825-4830, 2012
Online since
November 2011
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Price
$32.00
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