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Numerical Hot Rolling Simulations for Improvements in Flatness and Profile Control

This study focuses on understanding the strip’s shape evolution during the hot rolling process. An off-line numerical simulation tool was developed to predict the finishing mill setup for the entire roll campaign, including strip crown and flatness evolution. It explores the application of shape simulations to optimize the rolling campaign of a hot strip mill, specifically targeting work roll shifting strategies and initial roll profiles. The results highlight the importance of shifting strategies in reducing roll wear and improving strip flatness, with varying stroke and step strategies showing promising outcomes. Additionally, optimizing initial work roll profiles led to significant improvements in strip crown and flatness, enhancing overall product quality and process stability. Industrial trials using the optimized initial work roll profiles validated the proposed approach, showing consistent process performance and improvements in quality parameters.
Product:
2025/05 AIST Iron & Steel Technology May
PR-PM0525-4
Jônatas Barbosa, Bruno Resende, Cristovão Giacomin
May 01, 2025
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