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KEY WORDS

Elongating forging process, rail, finite element method, rolling in impressions.

ABSTRACT

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.

CITATION INFORMATION

Acta Mechanica Slovaca. Volume 16, Issue 3, Pages 62 – 67, ISSN 1335-2393

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

REFERENCES

[1] Lisowski J.: Walcowanie kuźnicze. Wydawnictwo Naukowo – Techniczne, Warszawa 1987.

[2] Jarocki J., Wasiunyk P.: Kuźnictwo i prasownictwo. Państwowe Wydawnictwo Szkolnictwa Zawodowego, Warszawa 1981.
[3] Turno A.: Zastosowanie walcarek kuźniczych w USA. Obróbka plastyczna Tom 1, zeszyt 2. INOP, Poznań 1959
[4] Wusatowski Z.: Podstawy walcowania. Wydawnictwo Górniczo - Hutnicze, Warszawa 1960.
[5] Hakan Karacaovali, Analysis of Roll-Forging Process. M.S., Department of Mechanical Engineering, September 2005.
[6] Pater Z.: Wartość graniczna całki Cocrofta – Lathama dla stali kolejowej gatunku R200. Hutnik – Wiadomości Hutnicze, 2010 – 12.

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ams 2 2016

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