A process for controlling torque in a calendering system

Details A process for controlling torque in a calendering system A process for controlling torque in a calendering system

D - Textiles, Paper

21

G

D21G 1/00 (2006.01)

Patent

CA 2655502

A method for controlling a calendering system having a first roll (12) and a second roll (14) is disclosed. The first roll has a first roll torque controller (24) and a first roll speed controller (28). An exemplary method comprises the steps of : (a) setting said first roll at a desired process speed with said first roll speed controller; (b) determining a target torque of said first roll; (c) contactingly engaging said first and second rolls; (d) measuring an actual torque of said first roll; (e) comparing said target torque and said actual torque; and, (f) adjusting a speed of said first roll with said first roll torque controller to maintain said target torque of said first roll according to said comparison of said target torque and said actual torque.

Procédé de commande d'un système de calandrage comprenant un premier rouleau et un deuxième rouleau. Le premier rouleau comprend un dispositif de commande de couple de premier rouleau et un dispositif de commande de vitesse de premier rouleau. Un exemple de procédé comprend les étapes suivantes: (a) régler le premier rouleau à une vitesse de traitement souhaitée à l'aide du dispositif de commande de vitesse de premier rouleau; (b) déterminer un couple cible dudit premier rouleau; (c) engager avec contact les premier et deuxième rouleaux; (d) mesurer un couple réel dudit premier rouleau; (e) comparer ledit couple cible et ledit couple réel; et, (f) régler une vitesse dudit premier rouleau à l'aide dudit dispositif de commande de couple de premier rouleau afin de maintenir ledit couple cible dudit premier rouleau en fonction de ladite comparaison dudit couple cible et dudit couple réel.

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