Method for laying a thread on a cross-wound bobbin

摘要

The construction of a cross-wound bobbin depends essentially on how the individual layers in which the thread is deposited on the yarn cop are built up. When a cross-wound bobbin is being produced, the polar speed of the bobbin and the crossing angle must be monitored constantly in order to avoid patterning and too hard and curved an edge structure. In order to achieve an optimum bobbin build-up, it is proposed to change the rotational speed of the drive of a thread guide constantly during the entire winding run, so that the crossing angle is constantly increased and reduced at the bobbin ends. <IMAGE>