Method and apparatus for controlling the traversing frequency in

Details Method and apparatus for controlling the traversing frequency in Method and apparatus for controlling the traversing frequency in

1994-10-19

1996-11-26

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 43R, B65H 5428, B65H 6300, B65H 5438

Patent

active

055776760

ABSTRACT:
A method and apparatus for controlling the traversing frequency during the winding of a cross-wound package. In so doing, a signal is detected which is generated by the motion of the yarn while being wound onto a yarn package. Thereafter, the signal is analyzed by frequency, and/or amplitude, or other characteristics. Finally, the traversing frequency of the yarn takeup system is adjusted or varied as a function of the analysis result. In the preferred embodiment, the signal is proportional to a development of airborne sound or a development of solid-borne sound, each of which is generated in response to the motion of the advancing yarn on the package being formed. The method of the present invention allows disturbances in the winding operation to be avoided, such as the formation of so-called ribbons and similar phenomena.

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"Barmag Winder Program"; Stand Sep. 1991; pp. 36-38.

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