Winding device

A method of using a winding device to wind a thread onto a bobbin tube to form a bobbin, wherein the winding device includes:

• a machine frame;
• a controller;
• a support roller rotatably mounted in the machine frame, wherein the bobbin abuts against the support roller during a winding process;
• a winding mandrel held on a pivot lever that is rotatably mounted in the machine frame, the pivot lever having a first holding arm with the winding mandrel provided thereon, and a second lever arm;
• a linear drive having a push rod connected directly to the second lever arm via an axle bolt, the linear drive pivotally mounted to the machine frame via a holder;
• and
• a force measurement device arranged between the axle bolt and the holder, the force measurement device connected to the controller;
• wherein the method comprises:
• a) before the winding process, pushing an empty bobbin tube onto the winding mandrel;
• b) pivoting the winding mandrel with the linear drive via the pivot lever until the bobbin tube abuts against the support roller;
• c) using the force measurement device, measuring a force transmitted directly to the push rod from the second lever arm, the force corresponding to an abutment force between the support roller and the bobbin tube, wherein the abutment force changes as the bobbin changes in diameter during operation of the winding device;
• and
• d) with the controller, continuously controlling movement of the linear drive and a stroke of the push rod based on an output from the force measurement devise to maintain a specified abutment force.