Winder with horizontal rider roll adjustment

摘要

A method and mechanism for winding a roll from a continuous traveling web including first and second parallel winder drums supporting the wound roll and one or more rider rolls on top of the roll being wound with the rider roll circumferential location being changed during the winding of the roll to compensate for the changing spring constant of the roll being wound, and in one form applying a force with a second rider roll and in another form with a third rider roll with the rolls being changed in position relative to the roll being wound independent of each other.