Acta Mechanica Slovaca 2012, 16(3):62-67

Numerical Modelling of the Forging Process of Bars with Circular Section from Scrapped Rails Heads

Janusz Tomczak*, Zbigniew Pater
Lublin University of Technology, 36 Nadbystrzycka, 20-618 Lublin, Poland

This paper presents the results of research works concerning processing of scrapped rails heads into bars with circular sections in the elongating forging processes. The formed semi-finished products will be used as billet in the cross-wedge rolling and skew rolling processes of balls applied in ball mills. Numerical analysis were made with the application of finite element method (FEM) in the conditions of three - dimensional state of strain, using the commercial software DEFORM 3D. The shape of rolled semi-finished products was analyzed in calculations, temperatures distributions and the process force parameters were determined. The possibility of using forging techniques for the processing of worn out rails was also confirmed. The results of numerical simulations were verified in industrial conditions.

Keywords: Elongating forging process, rail, finite element method, rolling in impressions

Received: January 15, 2012; Accepted: February 15, 2012; Published: October 31, 2012  Show citation

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Tomczak, J., & Pater, Z. (2012). Numerical Modelling of the Forging Process of Bars with Circular Section from Scrapped Rails Heads. Acta Mechanica Slovaca, 16(3), 62-67
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