Abstract: In a method for operating a spinning machine comprising a plurality of adjacently arranged workstations (1) and at least one trash conveying unit (3), the trash conveying unit (3) transports the trash accumulating at several of the workstations (1) to at least one receiving unit (7). The trash conveying unit (3) is discontinuously driven. A spinning machine comprising a plurality of adjacently arranged workstations (1) and at least one trash conveying unit (3) as well as at least one receiving unit (7) for trash transported by the trash conveying unit (3) comprises at least one drive (5) and at least one control system (2), which are designed for carrying out the method.

Abstract: A method for feeding a sliver end (2) of a sliver (8) deposited in a can (9) to a spinning station (3) of a spinning machine (1), wherein the spinning machine (1) comprises a plurality of adjacently arranged spinning stations (3) including cans (9) located under the spinning stations (3) in at least one row, and wherein a robot (12) grasps the sliver end (2) with the aid of a sliver gripper (14) and feeds it to a spinning station (3a) to be supplied. According to the invention, the sliver end (2) is sought in an area of at least one of the adjacent spinning stations (3b) of the spinning station (3a) to be supplied, preferably in the area (Ba) of the spinning station (3a) to be supplied and of at least one of the spinning stations (3b) adjacent to this spinning station (3a), is taken up by the sliver gripper (14) and is then fed to the spinning station (3a) to be supplied.

Abstract: The invention relates to a method for operating a textile machine (1), in particular a textile machine (1) producing cross-wound bobbins, most particularly an open-end spinning machine, comprising a plurality of identical workstations (2), wherein, during a normal operation of the workstations (2), yarn is produced or rewound from a supply bobbin onto a receiving bobbin with the aid of the workstations (2), and wherein a plurality of workstations (2), after a stoppage of these workstations (2), is started and therefore, set into the normal operating mode. According to the invention, it is provided that the plurality of workstations (2) is divided into groups (7) of workstations (2) and the groups (7) of workstations (2) are started at different times.

Abstract: A method optimizes production of a rotor spinning machine having a plurality of identical spinning units, with each spinning unit having a spinning rotor driven by a rotor drive at a rotor speed to produce yarn at a delivery speed. A permissible range with a minimum delivery speed and a maximum delivery speed for the delivery speed of the spinning units is specified. Operation of the spinning units is started with a starting delivery speed within the permissible range. Current production capacity of the spinning units or the rotor spinning machine is continuously calculated. Current delivery speed of the yarn is regulated as a function of the current production capacity in such a manner that a maximum production capacity is achieved. A rotor spinning machine in accordance with method is also provided.

Abstract: A rotor spinning machine includes a plurality of work stations arranged side by side between two front-side ends along at least one longitudinal side of the machine. Each work station includes work elements for producing and winding a yarn, such as a feed device, an opening device, a spinning rotor, and a winding device. A suction device provides a negative spinning pressure at the work stations and includes a negative pressure source arranged at each of the two front-side ends of the rotor spinning machine. Each negative pressure source is connected to a separate negative pressure channel that extends in a longitudinal direction of the rotor spinning machine only over a part of a total number of the work stations. Each work station includes an individual drive for the spinning rotor.

Abstract: A spinning machine includes a plurality of work stations arranged side by side between two front-side ends along at least one longitudinal side of the spinning machine. Each work station has a draw-off device, and an individual drive for the draw-off device. Each work station further includes additional driven work elements for production and winding of a yarn, the additional work elements including at least a feed device, a spinning chamber, and a winding device. A suction device generates negative pressure at the work stations and includes at least one negative pressure source and at least two negative pressure channels. Each of the negative pressure channels extends in a longitudinal direction of the spinning machine only over one part of the work stations.

Abstract: A maintenance device for servicing adjacent work stations of a textile machine includes an operating unit that further comprises at least one operating component configured to perform a service operation at the work stations. Driving rails are disposed alongside the workstations, and a guide moves the maintenance device on the driving rails in a direction of travel alongside the work stations. The maintenance device moves on the driving rails from a maintenance position in which one of the work stations is serviceable by the maintenance device into an inspection position in which the maintenance device can be inspected. For transport of the maintenance device from the maintenance position into the inspection position, the operating unit is pivotal relative to the guide unit and/or the operating component is movable relative to the operating unit.

Abstract: A method, and associated textile machine winding station, are provided for handling a yarn end of a cross-wound bobbin at the winding station, wherein the cross-wound bobbin is held and driven in a bobbin holder. A thread is laid in a cross-wise manner on the cross-wound bobbin by means a traverse device. A suction nozzle having a movable suction mouth is subjected to negative pressure, and the suction mouth is moved relative to the suction nozzle such that a distance between the suction mouth and the cross-wound bobbin is changed in order to find the thread end on the cross-wound bobbin and to suck the thread end into the suction nozzle, or to stretch the thread end sucked into the suction nozzle between the suction mouth and the cross-wound bobbin. The stretched thread is moved to a unit of the textile machine for further processing.

Abstract: A method is provided for operating a textile machine, with a multiple number of adjacent work stations having a respective spinning unit with a spinning device and/or one winding device and handling elements for piecing a thread or for connecting two thread ends. If production is interrupted, a thread end on the bobbin side is provided to a defined receiving position at the work station. For piecing the thread or for connecting the thread ends, the thread end on the bobbin is cut to length by the work station work elements, received from the receiving position, prepared for piecing or for connecting and pieced up or connected. A thread end wound on the bobbin is sought out by means of a thread seeking device deliverable to multiple work stations of the textile machine, and the thread end is subsequently moved into the receiving position at the work station, from which it is received by the work station work element of the work station, in particular by a handling element of its own work station.

Abstract: A method is provided for operating a textile machine having a plurality of work stations wherein, during normal operation of the work stations, a yarn is produced or is rewound from a delivery coil onto a receiver coil. The normal operation is initiated at the individual work stations after a stop of the textile machine, or is interrupted at certain time intervals by a service operation in the form of a piecing process, a tube changing process, or a yarn joining process. The service operations are divided into several partial sequences. A pending partial sequence for one of the service operations is carried out so long as energy resources required for carrying out the pending partial sequence are available independent of whether the energy resources for carrying out the other partial sequences for the service operation are available.

Abstract: A method is provided for operating a spinning machine with a multiple number of spinning stations. In the normal case, the individual spinning stations are supplied with a fiber material and produce a yarn. Upon the occurrence of predefined events, yarn production is interrupted at individual or all spinning stations, whereas such spinning stations are, when required, subjected to piecing with the assistance of a piecing process in order to start up yarn production again. The respective piecing is carried out with the assistance of handling tools associated with the spinning machine. The individual spinning stations are classified on the basis of one or more production-related parameters, and that, if more piecing processes are to be carried out at the same time than can be carried out by the handling tools, at least the selection of the spinning station to be subjected to piecing next is carried out under consideration of the specified classification.

Abstract: A method for operating a work station of a textile machine that produces or rewinds yarn in a normal operation, wherein the normal operation is interrupted. The method includes performing at least one service step for restoring the normal operation, wherein a service result is specified for the service step. A standard service operation is carried out with a service device until the service result has been achieved or a predetermined number of failed attempts has been reached. When the predetermined number of failed standard service operation attempts has been reached, an extended service operation is carried out.

Abstract: A method for cleaning a textile machine having a plurality of work stations includes issuing a cleaning request for a first one of the work stations. In response to the cleaning request, the first work station is approached and cleaned by a mobile cleaning device that travels alongside of the textile machine. The cleaning requests are issued for the work stations depending on specifically identified contamination-generating events that have occurred at or near the respective work station since a last cleaning process at the work station. A textile machine configured in accordance with the method is also provided.

Abstract: A method at a workstation of a spinning machine or winding machine supplies an auxiliary thread from a thread nozzle to a suction assigned to the workstation, the auxiliary thread stretched between the thread nozzle and the suction. The auxiliary thread is severed to form a thread section protruding into the suction and a thread section extending into the thread nozzle, wherein the thread section protruding into the suction is carried away by the suction. The thread section extending into the thread nozzle is grasped with a thread receiver such that the thread section extending into the thread nozzle extends between the thread nozzle and the thread receiver. The thread section extending into the thread nozzle is severed to form a thread section remaining in the thread nozzle and a thread section coming from the thread receiver. The thread section coming from the thread receiver is transferred to the suction of the workstation.

Abstract: A cleaning head of a cleaning device for cleaning a spinning rotor, by means of a feed device, be fed into a predetermined cleaning position in the interior of the spinning rotor. The cleaning head has a cleaning element formed as a scraper element arranged in such a manner that, in the predetermined cleaning position of the cleaning head, it is fed to the open edge of the spinning rotor. A cleaning device for cleaning a spinning rotor features a corresponding cleaning head. With a method for cleaning a spinning rotor by means of the cleaning device, after feed of the cleaning head into the cleaning position, the open edge of the spinning rotor is cleaned by means of the scraper element.

Abstract: The invention relates to a method for supplying cross-winding devices (4) of a spinning-mill machine (1) with sleeves (9) and a corresponding spinning-mill machine (1), whereas a multiple number of cross-winding devices (4) is arranged next to each other and on two machine sides located in the longitudinal direction of the spinning-mill machine (1). Yarn is wound on sleeves (9) at the cross-winding devices (4), whereas empty sleeves (9) are stockpiled in at least one sleeve stack (7.1 to 7.4). With a sleeve transport device (6, 6.1 bis 6.4) arranged along the cross-winding devices (4), the cross-winding devices (4) are supplied with empty sleeves (9) from the sleeve stack (7.1 to 7.4), whereas the sleeve transport device (6, 6.1 to 6.4) features a continuous entraining element, in particular a conveyor belt, which is moved along the multiple number of cross-winding devices (4).

Abstract: The spinning-mill machine features a multiple number of cross-winding devices (4) arranged next to each other and on two machine sides located in the longitudinal direction of the spinning-mill machine (1), each of which is provided for winding yarn on sleeves, whereas the cross-winding devices (4) are collected into a multiple number of sections (5.1 to 5.5). Multiple sleeve stacks (7.1 to 7.4) are used for the stockpiling of empty sleeves. A sleeve transport device (6.1 to 6.4) arranged along the cross-winding devices (4) is used to supply the cross-winding devices (4) with empty sleeves from the sleeve stack (7.1 to 7.4), Multiple sleeve stacks (7.1 to 7.4) are arranged on each machine side, and each sleeve stack (7.1 to 7.4) is allocated with its own stationary sleeve transport device (6.1 to 6.4).

Abstract: A spinning-mill machine and associated operational method includes a plurality of cross-winding devices arranged next to each other in a longitudinal direction along each machine side of the spinning-mill machine, wherein each cross-winding device is configured to wind yarn onto a sleeve. The cross-winding devices are arranged into a multiple number of sections along each of the machine sides. A sleeve transport device is arranged along the cross-winding devices on each machine side to supply empty sleeves to cross-winding devices. A plurality of sleeve stacks are configured to stockpile the empty sleeves. A plurality of sleeve storage devices are arranged along each machine side for distributed intermediate storage of the empty sleeves, wherein each cross-winding device is allocated with a single sleeve storage device, or the plurality of the cross-winding devices in each of the sections are allocated to a single one of the sleeve storage devices.

Abstract: The invention relates to a maintenance device (13a-13e) for servicing adjacent work stations (11) of a textile machine (1), in particular a spinning machine, comprising an operating unit (2a-2e), which features at least one operating component (14) for servicing the work stations (11), and with a guide unit (9), by means of which the maintenance device (13) can be transported on a driving rail (3) along the work stations (11) and which defines a direction of travel (4) of the maintenance device (13). Thereby, the maintenance device (13) can be transported from a maintenance position (I), in which one of the work stations (11) can be serviced by the maintenance device (13a-13e), into an inspection position (II), in which the maintenance device (13a-13e) can be inspected.

Abstract: A cleaning device (1) for cleaning a rotor disk (2) of a spinning rotor (3) features a cleaning head (4), which features at least one cleaning element (5a, 5b) for cleaning the spinning rotor (3), and one receptacle (6), in which the cleaning head (4) is mounted and which can be fed to the spinning rotor (3) for cleaning. The cleaning head (4) features at least one bearing area (7), the longitudinal direction of which defines an axial direction (AR) of the cleaning head (4). The cleaning head (4) is stored in an axial direction (AR) in a floating manner on the receptacle (6) and/or the at least one cleaning element (5a, 5b) is stored in an axial direction in a floating manner on the cleaning head (4).