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Application of asymmetry in plate rolling on the finishing stand of a rolling mill 3600

  • Paweł Szyiński , Anna Kawałek , Henryk Dyja and Konrad Laber
Published/Copyright: September 21, 2015
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Abstract

This publication presents results of numerical simulation of the asymmetric rolling process for band shape ratio h0/D = 0.124. The study was conducted to determine the differences in the impact factor of asymmetry in the band bending after leaving the deformation zone and the power parameters of rolling process. Introduction of single asymmetry by varying the peripheral speed of the work rolls does not have an effect on reduction of force parameters values. Based on the survey, it was found that introduction of a second asymmetry by varying the diameter of the work rolls allows to lower rolling force and rolling power, it also allows to obtain a flat band after rolling process.

Kurzfassung

Im vorliegenden Beitrag werden Ergebnisse einer numerischen Simulation des asymmetrischen Walzprozesses für Bänder mit dem Formfaktor h0/D = 0,124 dargestellt. Die zugrunde liegende Studie wurde durchgeführt, um die Verschiedenartigkeit der Asymmetrie bei der Biegung der Bänder nach dem Verlassen der Dehnungszone und der Leistungsparameter beim Walzprozess zu bestimmen. Die Einführung einer einfachen Symmetrie durch Variation der peripheren Geschwindigkeit der Arbeitswalzen hat keinen reduzierenden Effekt auf die Werte der Kraftparameter. Basierend auf dem Überblick wurde ermittelt, dass die Einführung einer zweiten Symmetrie unter Variation des Durchmessers der Arbeitswalzen es ermöglicht, die Walzkraft und die Walzleistung zu senken und ein flaches Band nach dem Walzprozess zu erhalten.


Correspondence Address, Dr. Eng. Pawel Szyinski, Institute of Plastic Working and Safety Engineering, Faculty for Production Engineering and Matrials Technology, Czestochowa University of Technology, 42-200 Czestochowa, Poland, E-mail: ,

Dr. Eng. Paweł Szyiński, born in 1985, graduated from Czestochowa University of Technology, Poland, Department of Technology, Faculty of Process and Materials Engineering and Applied Physics, with a specialization in metal forming in 2009. In 2015, he obtained his doctoral title in Technical Sciences in the field of metallurgy from Czestochowa University of Technology, Faculty of Production Engineering and Materials Technology, Institute of Plastic Working and Safety Engineering, Poland. His main research fields are rolling processes of flat products as well as mechanical and rheological properties of the materials.

Prof. Henryk Dyja, born 1946, graduated from Czestochowa University of Technology, Department of Metallurgy, Poland, in 1971. In 1977, he obtained his doctoral title in Technical Sciences in the field of metallurgy at the AGH Mining and Metallurgical Academy, Krakow, Poland. In 1990, he habilitated in the Department of Metallurgy, Czestochowa University of Technology. In 1998, he received his professor title by the President of Poland. From 2002 to 2005, he was Rector of Czestochowa University of Technology. He also holds a Doctor Honoris Causa from Czestochowa University of Technology, National Metallurgical Academy of Ukraine in Dniepropetrovsk, Institute of Steel and Alloys in Moscow. He is a member of many international scientific organizations. Currently, he works as Professor at Czestochowa University of Technology, Faculty of Production Engineering and Materials Technology, Poland. He is Director of the Institute of Plastic Working and Safety Engineering. His main research field are metallurgy, materials engineering and new technologies in production processes.

Dr. Eng. Konrad Laber, born in 1977, graduated from Czestochowa University of Technology, Department of Metallurgy and Materials Engineering, Poland, in 2001. His first specialization was in computer science in manufacturing processes. His second specialization lies in the organization and management in the metallurgical industry. He also worked in a bar rolling-mill department as an operator of the rolling-mill equipment. In 2008, he obtained his doctoral title in Technical Sciences in the field of metallurgy from Czestochowa University of Technology, Faculty of Process and Materials Engineering and Applied Physics, Poland. Currently, he works as Assistant Professor in the Institute of Plastic Working and Safety Engineering, Faculty of Production Engineering and Materials Technology, Czestochowa University of Technology, Poland. His main research fields are rolling processes of long products and wire rods as well as mechanical and rheological properties of the materials and thermo-vision research.


References

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Published Online: 2015-09-21
Published in Print: 2015-10-01

© 2014, Carl Hanser Verlag, München

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