Abb Schweiz Ag

Pertti Vainio

Jukka Gruzdaitis

Tapio Talvitie

A winding machine for winding a finishing roll having a radius R of a sheet material on a core having a radius ris provided. The winding machine includes: a support drum assembly arranged on a first side of the finishing roll and configured to support the finishing roll from the first side; a rider roll arranged on a second side of the finishing roll opposite to the first side and configured to apply a first nip pressure onto the finishing roll from the second side the finishing roll being supported by the support drum assembly; and a control unit configured to adaptively control the second nip pressure applied by the rider roll onto the finishing roll depending on an ascent rate of the rider roll.

Growing community of inventors

Järvenpää, Finland

Pertti Vainio