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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 28
SUMMARY:E-Si™ Mill: John Cockerill’s new mill design to most effectively address the challenges related to the rolling of the latest advanced electrical steels
DESCRIPTION:Climate change is the biggest threat that humankind has ever faced. The decarbonization of transport is a crucial part of the solution to reducing greenhouse gas emissions and global warming. One of the most notable trends in this field is the considerable growth of the electrical vehicle market that is forecasted to become exponential in the coming years. Consequently, the production capacity of non-grain-oriented (NGO) electrical steel will have to increase at the same pace in order to fulfill the drastically and rapidly growing market needs. While addressing this challenge, electrical steel producers will also have to find ways to produce thinner strip and increase its silicon content to make vehicles lighter and considerably improve the efficiency of electric motors.  
To address the extremely difficult rolling of this type of advanced electrical steels, John Cockerill has developed a new 6-Hi reversing mill called: E-Qual® Mill. Its innovative design features an optimized work roll diameter specifically designed to avoid the roll flattening of thinner gauge electrical steel strip, all while providing the torque requirements for the first passes. Since this type of electrical steel is very brittle at ambient temperature, the E-Qual® Mill’s new design foresees the installation of an inductive heater on the pay-off reel pass line to avoid strip breakage at the first pass. Additionally, its upgraded cooling system allows for the highest degree of thickness homogeneity required to produce highly-performant electrical motors. 
The technical paper will present the new multi-functional mill design and the main technical characteristics of the mill.

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