ロールを可変式に凸構造にするニップ制御方法、及び、スプレッダシステム

摘要

A method and system for controlling a crown height associated with a nip profile includes adjusting pressure of a pressure roll. This may influence the shape of the pressure roll which may influence the nip profile. This may help prevent wrinkling and extend the life of the pressure roll. The pressure roll may be configured to have a varying wall thickness across a width of the pressure roll. The pressure roll may be used for a web application.