A Comparative Analysis of Forming Railway Axles in 3- and 4-Roll Rolling Mills

The paper presents a comparative analysis of skew rolling in 3- and 4-roll CNC rolling mills. The analysis is performed using the FEM-based commercial simulation software Simufact.Forming. The formation of both solid and hollow railway axles is analyzed. Distributions of effective strain, temperatur...

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Bibliographic Details
Published inMaterials Vol. 13; no. 14; p. 3084
Main Author Pater, Zbigniew
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 10.07.2020
MDPI
Subjects
CNC rolling mill
Computer simulation
Energy consumption
experiment
FEM
Finite element method
Friction
Manufacturing
Process parameters
railway axle
Rolling mills
Shafts (machine elements)
Simulation
skew rolling
Torque
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Summary:The paper presents a comparative analysis of skew rolling in 3- and 4-roll CNC rolling mills. The analysis is performed using the FEM-based commercial simulation software Simufact.Forming. The formation of both solid and hollow railway axles is analyzed. Distributions of effective strain, temperature and damage criterion in rolled axles are determined, and loads and torques acting on the tools during rolling are estimated. An innovative concept of calibrating hollow axles by the rotary compression technique developed at the Lublin University of Technology is presented. Experimental tests of rolling solid axles in a 3-roll rolling mill (in a scale of 1:5) are performed, and basic force parameters of the rolling process are measured. Numerical and experimental loads and torques show a high agreement in terms of both quality and quantity.
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ISSN:1996-1944
1996-1944
DOI:10.3390/ma13143084