We describe the results of a full-scale experiment in the fabrication of 957 mm diameter railroad wheels from a pre-formed hollow billet obtained by piercing a thick-walled sleeve with an ingot. We found that a 474 mm diameter steel wheel billet can be smoothly pierced using a rotary piercing mill. The process of forming hollow billets when mass-producing wheels in press-rolling equipment also remains stable. The mechanical specifications of railroad wheels fabricated from hollow billets meet regulatory requirements.
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Translated from Metallurg, Vol. 62, No. 6, pp. 73–77, May 2018. Original article submitted November 27, 2017.
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Romanenko, V.P., Fomin, A.V., Sevast’yanov, A.A. et al. A Study of the Mechanical Properties of Railroad Wheels Manufactured from a Billet Broached in a Helical Rolling Mill. Metallurgist 62, 568–573 (2018). https://doi.org/10.1007/s11015-018-0694-y
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DOI: https://doi.org/10.1007/s11015-018-0694-y