Optimal design of round-oval-round roll pass for the steel bar rolling process

Abstract This study aims to determine the optimal values of the round-oval-round roll pass design parameters. This was applied on two consecutive passes: round-oval and oval-round. That produces a circular cross section from an input of a larger circular cross section through an intermediate oval pa...

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Main Authors: Mostafa Rashad, Abdelrhman Magdi, Mohamed Ezz Ahmed, Sayed M. Metwalli
Format: Article
Language:English
Published: SpringerOpen 2024-12-01
Series:Journal of Engineering and Applied Science
Subjects:
Online Access:https://doi.org/10.1186/s44147-024-00567-8
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author Mostafa Rashad
Abdelrhman Magdi
Mohamed Ezz Ahmed
Sayed M. Metwalli
author_facet Mostafa Rashad
Abdelrhman Magdi
Mohamed Ezz Ahmed
Sayed M. Metwalli
author_sort Mostafa Rashad
collection DOAJ
description Abstract This study aims to determine the optimal values of the round-oval-round roll pass design parameters. This was applied on two consecutive passes: round-oval and oval-round. That produces a circular cross section from an input of a larger circular cross section through an intermediate oval pass. The design variables were the oval groove radius and depth. The optimization objectives were to minimize the rolling torque and to maximize the area reduction ratio. A nonlinear, double-stage, three-dimensional finite element model (FEM) is used to calculate the rolling torque and the output shape dimensions. The two-staged FEM yielded realistic and highly accurate results as it imitates the real rolling process, using the actual oval results of the first step directly as input to the second step. The results of the FEM were verified experimentally. A polynomial surrogate meta-model, representing the rolling process, was developed based on the FEM utilizing multivariate regression. Optimal design solutions and design curves were developed. The established optimization procedures achieved a reduction in rolling torque of more than 6% or an increase in the area reduction ratio of up to 11%. The optimal solutions were confirmed using FE and experiment.
format Article
id doaj-art-d053e2afcbe14e53812dacb66ea0b9af
institution Kabale University
issn 1110-1903
2536-9512
language English
publishDate 2024-12-01
publisher SpringerOpen
record_format Article
series Journal of Engineering and Applied Science
spelling doaj-art-d053e2afcbe14e53812dacb66ea0b9af2024-12-29T12:33:09ZengSpringerOpenJournal of Engineering and Applied Science1110-19032536-95122024-12-0171112010.1186/s44147-024-00567-8Optimal design of round-oval-round roll pass for the steel bar rolling processMostafa Rashad0Abdelrhman Magdi1Mohamed Ezz Ahmed2Sayed M. Metwalli3Mechanical Design and Production Department, Faculty of Engineering, Cairo UniversityElmarakby Steel CompanyMechanical Design and Production Department, Faculty of Engineering, Cairo UniversityMechanical Design and Production Department, Faculty of Engineering, Cairo UniversityAbstract This study aims to determine the optimal values of the round-oval-round roll pass design parameters. This was applied on two consecutive passes: round-oval and oval-round. That produces a circular cross section from an input of a larger circular cross section through an intermediate oval pass. The design variables were the oval groove radius and depth. The optimization objectives were to minimize the rolling torque and to maximize the area reduction ratio. A nonlinear, double-stage, three-dimensional finite element model (FEM) is used to calculate the rolling torque and the output shape dimensions. The two-staged FEM yielded realistic and highly accurate results as it imitates the real rolling process, using the actual oval results of the first step directly as input to the second step. The results of the FEM were verified experimentally. A polynomial surrogate meta-model, representing the rolling process, was developed based on the FEM utilizing multivariate regression. Optimal design solutions and design curves were developed. The established optimization procedures achieved a reduction in rolling torque of more than 6% or an increase in the area reduction ratio of up to 11%. The optimal solutions were confirmed using FE and experiment.https://doi.org/10.1186/s44147-024-00567-8Finite elementMeta-modelPass designMulti-objective optimizationRound-oval-roundBar rolling
spellingShingle Mostafa Rashad
Abdelrhman Magdi
Mohamed Ezz Ahmed
Sayed M. Metwalli
Optimal design of round-oval-round roll pass for the steel bar rolling process
Journal of Engineering and Applied Science
Finite element
Meta-model
Pass design
Multi-objective optimization
Round-oval-round
Bar rolling
title Optimal design of round-oval-round roll pass for the steel bar rolling process
title_full Optimal design of round-oval-round roll pass for the steel bar rolling process
title_fullStr Optimal design of round-oval-round roll pass for the steel bar rolling process
title_full_unstemmed Optimal design of round-oval-round roll pass for the steel bar rolling process
title_short Optimal design of round-oval-round roll pass for the steel bar rolling process
title_sort optimal design of round oval round roll pass for the steel bar rolling process
topic Finite element
Meta-model
Pass design
Multi-objective optimization
Round-oval-round
Bar rolling
url https://doi.org/10.1186/s44147-024-00567-8
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AT abdelrhmanmagdi optimaldesignofroundovalroundrollpassforthesteelbarrollingprocess
AT mohamedezzahmed optimaldesignofroundovalroundrollpassforthesteelbarrollingprocess
AT sayedmmetwalli optimaldesignofroundovalroundrollpassforthesteelbarrollingprocess