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UTILIZAÇÃO DE CILINDROS DE AÇO RÁPIDO (HSS) NO LAMINADOR STECKEL DA APERAM

2013; Brazilian Association of Metallurgy, Materials and Mining; Volume: 10; Issue: 4 Linguagem: Inglês

10.4322/tmm.2013.047

2176-1523

Arísio de Abreu Barbosa, Flávio da Silva, Luiz Otávio Torres Procópio,

Advanced Machining and Optimization Techniques

This paper outlines the main actions taken to reinforce the decision to use HSS work rolls on the Aperam Steckel Mill.These are: work roll cooling improvements, systematically analyzing Eddy Current and Ultrasonic non destructive tests, mechanical adjustment of work roll crown and critically examining the rolling process.These actions applied together have contributed to the success of HSS rolls state of the art application, and provide the Steckel Mill with a much improved performance.Significant results have been achieved, such as: increasing of work roll change intervals, increasing of the available production time, a yield gain, a product quality improvement, less working hours needed for the roll grinding operation, etc.