METHOD FOR OPERATING A WORKSTATION OF A TEXTILE MACHINE PRODUCING CROSS-WOUND BOBBINS

The invention relates to a method for determining the bobbin diameter of cross-wound bobbins on a textile machine producing cross-wound bobbins, with a creel for holding a rotatable cross-wound bobbin, a thread displacement device that can be activated in a defined manner for traversing a thread run...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FROESCH, DIETMAR, MARX, ALEXANDER, FLAMM, FRANZ-JOSEF, MUND, MANFRED
Format:	Patent
Sprache:	eng
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES NATURAL OR ARTIFICIAL THREADS OR FIBRES PACKING PERFORMING OPERATIONS SPINNING SPINNING OR TWISTING STORING TEXTILES TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a method for determining the bobbin diameter of cross-wound bobbins on a textile machine producing cross-wound bobbins, with a creel for holding a rotatable cross-wound bobbin, a thread displacement device that can be activated in a defined manner for traversing a thread running onto the cross-wound bobbin and a drive that can be activated in a defined manner to rotate the cross-wound bobbin, wherein the two drives are independent of one another and the rotational speeds of the bobbin drive roller and the cross-wound bobbin are detected in order to calculate therefrom the ratio and ultimately the theoretical cross-wound bobbin diameter. According to the invention, the bobbin drive roller is cyclically switched on and off and in the run-down phases while the bobbin drive roller is not driven, the rotational speeds of the bobbin drive roller and the cross-wound bobbin are detected in order to calculate therefrom the ratio and ultimately the actual cross-wound bobbin diameter.