Patent ID: 6105896
Filing Date: 2000-08-22
Classification: B65H

Abstract:
A method of winding a continuously advancing yarn to form a yarn package, comprising the steps ofwinding the advancing yarn onto a tube which is coaxially mounted on a driven winding spindle which in turn is mounted on a moveable support, and so as to form a yarn package,engaging the circumferential surface of the package with a contact roll which is mounted on a second moveable support so that a contact force between the contact roll and the surface of the package can be varied by the position of the contact roll relative to the package, andcontrolling the center to center distance between the winding spindle and the contact roll to accommodate the increasing diameter of the package and including, during at least a portion of the winding of the package, controlling an evading movement of the winding spindle which increases the center to center distance at a continuous, smooth speed profile which decreases as the diameter of the yarn package increases and which is determined as a function of a predetermined speed function which relates the speed of the evading movement to the momentary package diameter.