METHOD AND DEVICE FOR WINDING UP A YARN TO A CONE, ESPECIALLY IN A TEXTILE MACHINE WITH CONSTANT YARN SUPPLY
The winding of the cone, especially in a textile machine with constant yarn supply, aims at obtaining a constant value of the medium yarn winding velocity throughout the winding process, i.e. from the empty tube (9) to the fully wound bobbin, using a divided roller (4) with at least one ring (11) dr...
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Zusammenfassung: | The winding of the cone, especially in a textile machine with constant yarn supply, aims at obtaining a constant value of the medium yarn winding velocity throughout the winding process, i.e. from the empty tube (9) to the fully wound bobbin, using a divided roller (4) with at least one ring (11) driven by a through shaft (10), and with further freely rotatable rings (12). The principle of the solution consists in that during the winding process the circumferential speed of the cone (5) being wound is modified by a continuous displacement of its pure rolling point in the extent of the width of the driven ring (11) of the roller (4) by changing the angular velocity of one of the lateral rings (12) of the roller (4) depending on the yarn traction force in its winding zone and/or on the winding diameter. |
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