When Flat isn't Flat - Equalizing Internal Stresses Through Roller Leveling

by Jamie Wollenberg, Jim Sugars

Publisher - The Bradbury Company, Moundridge, KS, USA

Category - Engineering & IT

Around the globe, world-class manufacturers struggle to provide flat material to downstream customers such as laser houses, automotive parts manufacturers, etc. What looks flat off the Cut_x0002_to-Length (CTL) line, when cut on the plasma or laser, is found to be anything but flat! The problem is residual stress in the steel. This white paper will discuss newly developed methods of equalizing the internal stress to allow the strip to stay flat after secondary operations. Implementing these innovative technologies enables an operator to understand the strip condition more fully than ever before. Operators can better adjust their equipment, and in some cases do so automatically, to equalize the internal stress state of the material. Embracing the Industry 4.0 revolution to bring technology and value to coil processing organizations will provide end-users with the flat product they require, while developing growth and success throughout the supply chain.

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