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http://dx.doi.org/10.5228/KSPP.2005.14.1.043

A Study on the Cross Rolling for Improvement of Flatness of Plate  

Nam K. O. (충남대학교 기계공학과 대학원)
Seo K. S. (한국원자력연구소)
Rho B. R. (국방과학연구소)
Hong S. I. (충남대학교 기계공학과)
Publication Information
Transactions of Materials Processing / v.14, no.1, 2005 , pp. 43-48 More about this Journal
Abstract
The production of metal strip with uniform thickness and flatness are two important problems associated thin strip rolling. The thickness and flatness of strip are affected by the flattening of contact surface between strip and roll, the elastic recovery and the bending of roll. Especially, the flatness of the strip is greatly affected by bending deflection of roll. The roll must be designed considered the elastic deformation of roll. This study describes the measurement of thickness and flatness of strip and shows the crown roll for producing flat strip. But it is difficult to produce the crown roller. The cross rolling that is a simple method which can produce the flat strip is introduced and it is found the optimal cross angle for improvement of flatness of plate. These problems are solved by the MARC code on the basis of elastic-plastic material and the updated Lagrangian formulation.
Keywords
Elastic Recovery; Crown Roll; Cross Rolling; Cross Angle; Updated Lagrangian Formulation;
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