摘要:
The invention describes a method for winding a thread (1) to form a cross-wound bobbin (2) and a cross-wound bobbin. In order to determine an end-face form on the cross-head bobbin, a continuously supplied thread is passed to and fro within a cross-winding excursion having a variable length. In order to obtain a uniform penetration of dye in particular for the purpose of dyeing the cross-wound bobbin, according to the invention the cross-winding excursion is controlled at the end of the winding-on such that rounding of the end face of the cross-wound bobbin results on both end sides.
摘要:
A method of winding bulked continuous filament yarn is disclosed, which enables superior yarn package formation, including higher density packages with excellent shape and yarn takeoff characteristics. The method uses unique helix angles and winding profiles in a non-adjacent and adjacent yarn pattern, achieved by a unique winding control strategy that constantly monitors spindle speed, desired wind ratio, traverse cam speed, and surface speed.
摘要:
La présente invention concerne un procédé et un dispositif de pilotage d'un bobinoir synchrone, comportant un ensemble d'arbres (1) de bobines, d'arbres (2) d'entraînement de mouches (3) et un dispositif (4) de pré-alimentation de fils (5). Procédé caractérisé en ce qu'il consiste à commander au moyen d'un dispositif électronique (6) un entraînement en synchronisme du dispositif (4) de pré-alimentation et des arbres (1) de bobines, ainsi que des arbres (2) d'entraînement des mouches (3) de bobines, avec réglage, ou variation de l'angle de croisure des fils (5) par vobulation ou brouillage électronique ou par tout autre signal de variation d'angle de croisure. L'invention est plus particulièrement applicable dans le domaine de l'industrie textile, en particulier des machines de bobinage de fils et notamment des bobinoirs synchrones.
摘要:
A method of winding an elastomeric yam, such as spandex, onto a spool includes the steps of providing a spool; providing an elastomeric yarn; rotating the spool at a speed to define a spool rotation speed; moving the yarn traversely with respect to the spool in an alternating to and fro manner to define a traverse frequency; winding the yarn onto the spool; controlling the ratio of the spool rotation speed to the traverse frequency to define a wind ratio during the winding of the yarn onto the spool; and decreasing the traverse speed as the yarn is wound onto the spool in an inverse proportion to an amount of yarn that has been wound. The winding of the yarn onto the spool forms a yarn cake on the spool. The traverse speed may be decreased in inverse proportion to a diameter of the yarn cake. The method may further include the step of shifting the yarn by a pitch for each rotation of the spool.
摘要:
The invention describes a method for winding a thread (1) to form a cross-wound bobbin (2) and a cross-wound bobbin. In order to determine an end-face form on the cross-head bobbin, a continuously supplied thread is passed to and fro within a cross-winding excursion having a variable length. In order to obtain a uniform penetration of dye in particular for the purpose of dyeing the cross-wound bobbin, according to the invention the cross-winding excursion is controlled at the end of the winding-on such that rounding of the end face of the cross-wound bobbin results on both end sides.