METHOD AND APPARATUS FOR REPLACING COARSE YARN BOBBIN

METHOD AND APPARATUS FOR REPLACING COARSE YARN BOBBIN

A method and apparatus for automatically actuating roving bobbin exchange operations in a textile yarn spinning apparatus. The spinning stations are divided into equal groups and a roving bobbin exchange operation is actuated at each group by a suitable control system, e.g. a microprocessor, as a fu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: URURITSUHI FUNGERUBIYUURERU, HERUBERUTO KEENITSUHI, UORUFUGANGU IIGERU, UERUNERU MAITSUSUNERU
Format: Patent
Sprache:eng
Schlagworte:
NATURAL OR ARTIFICIAL THREADS OR FIBRES
SPINNING
SPINNING OR TWISTING
TEXTILES
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Beschreibung
Zusammenfassung:A method and apparatus for automatically actuating roving bobbin exchange operations in a textile yarn spinning apparatus. The spinning stations are divided into equal groups and a roving bobbin exchange operation is actuated at each group by a suitable control system, e.g. a microprocessor, as a function of the number of spinning stations of the group identified as down with uncorrectable yarn breaks and as a further function of the total elapsed operating time of the group since the last bobbin exchange operation.