Open end rotor spinning machine
An open end rotor spinning machine with plural workstations each having a yarn spinning device, a yarn take-off mechanism loaded by a reversibly driven single drive and a winding device for producing a cross-wound bobbin. The spinning device has a spinning rotor, a fiber band opening roller and a si...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An open end rotor spinning machine with plural workstations each having a yarn spinning device, a yarn take-off mechanism loaded by a reversibly driven single drive and a winding device for producing a cross-wound bobbin. The spinning device has a spinning rotor, a fiber band opening roller and a single motor-driven fiber band feed cylinder. Each workstation ( 2 ) has a mechanism ( 10 ) for cutting to length a yarn ( 30 ) retrieved from the bobbin ( 22 ), a yarn storage mechanism ( 37 ) and a drive mechanism ( 7 ) for lifting the bobbin ( 22 ) from its drive roller ( 23 ). During the piecing process, a manually activatable control mechanism ( 9 ) activates the drive ( 19 ) of the yarn take-off mechanism ( 18 ), the drive ( 15 ) of the fiber band draw-in cylinder ( 14 ) and the drive mechanism ( 7 ) to lift the bobbin ( 22 ) according to a predetermined piecing program. |
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