Abstract: A method is provided for determining a functional status at a workstation of a textile machine that includes a plurality of the workstations, wherein each workstation includes at least one drive associated with a treatment device configured at the workstation to treat a fiber material. The method includes measuring a load variable of the drive and determining the functional status of the treatment device based on the measured load variable.

Abstract: A textile machine and related method of operation include a plurality of adjacently arranged workstations divided into a plurality of sections, each workstation having a plurality of communication-capable units, and each section comprising at least two section busses and a section control system. The communication-capable units of the workstations in the section are in communication with the section control system via one of the section busses. A first portion of the communication-capable units of the workstations in each section are configured in communication with a first one of the section busses and a second portion of the communication-capable units of the workstations in the same section are configured in communication with a second one of the section busses.

Abstract: A textile machine and associated method are provided for operating the textile machine that includes a plurality of workstations, wherein each workstation includes at least one stepper motor configured to drive an element at the workstation. The method includes measuring a load variable, for example a load angle, of the stepper motor and detecting an approach of the element to an end position based on changes to the load variable.

Abstract: A method for automatically piecing a thread at a workstation of a textile machine, includes seeking an end of the thread on a surface of a bobbin with a suction nozzle and unwinding the thread from the bobbin counter to a regular draw-off direction of the thread and sucking the thread into the suction nozzle. The bobbin is driven in a direction of reverse rotation with a drive. A thread loop is draw-opened in the thread and moved towards a piecing unit via movement of a feeder unit. The bobbin is driven in the direction of reverse rotation during the drawing-open of the thread loop such that the thread is unwound from the bobbin. A speed of reverse rotation of the bobbin is coordinated with movement of the feeder unit.

Abstract: A device for piecing a thread at a workstation of a textile machine includes a suction nozzle configured to pick up a thread end of the thread from a bobbin, the suction nozzle including an entry opening for the thread. A feeder unit is movable with respect to the suction nozzle and includes a cover element configured to close the entry opening in a first position (I) of the feeder unit and to unblock the entry opening in a second position (II) of the feeder unit. The cover element includes a thread-guiding element having an open contour.

Abstract: A thread guide unit is used for drawing off a thread out of a rotor of a spinning unit of an open-end spinning machine. The thread guide unit includes a draw-off tube, and a compressed air nozzle configured with the draw-off tube. A thread outlet element extends into the draw-off tube. The compressed air nozzle includes a mouth formed as a gap between an inner diameter surface of the draw-off tube and the thread outlet element. A method for operating a spinning unit of an open-end spinning machine having the thread guide unit is also provided.

Abstract: In the case of a textile machine (1), in particular a spinning machine or winder, comprising a plurality of adjacently arranged workstations (3), which are combined to form multiple sections (2) and each include multiple communication-capable units, wherein the sections (2) each comprise a section control system (13), and wherein the communication-capable units of the workstations (3) of a section (2) are connected to a section bus (15, 16) for communication with the section control system (13), the sections (2) each comprise at least two section busses (15, 16) connected to the section control system (13). A first portion of the communication-capable units of the workstations (3) is connected to a first one (15) of the at least two section busses (15, 16) and a second portion of the communication-capable units of the workstations (3) is connected to a second one (16) of the at least two section busses (15, 16).

Abstract: A method is provided for determining a functional status at a workstation of a textile machine that includes a plurality of the workstations, wherein each workstation includes at least one drive associated with a treatment device configured at the workstation to treat a fiber material. The method includes measuring a load variable of the drive and determining the functional status of the treatment device based on the measured load variable.

Abstract: A textile machine and associated method are provided for operating the textile machine that includes a plurality of workstations, wherein each workstation includes at least one stepper motor configured to drive an element at the workstation. The method includes measuring a load variable, for example a load angle, of the stepper motor and detecting an approach of the element to an end position based on changes to the load variable.

Abstract: A textile machine and associated operational method are provided, wherein the textile machine has a plurality of workstations for (a) delivering a thread to a bobbin, (b) laying the thread on the bobbin, (c) winding the thread on the bobbin, and (d) finding a thread end wound on the bobbin with a suction nozzle. The thread is run through the suction nozzle during delivery to the bobbin such that the thread enters an inlet mouth in the suction nozzle and exits the suction nozzle through an extraction mouth. Starting from a thread delivery device at the workstation, the thread is run freely until the thread enters the inlet mouth of the suction nozzle directly in front of the bobbin. For finding of the thread end wound on the bobbin, the thread end is sucked into the suction nozzle through the extraction mouth.

Abstract: A method for automatically piecing a thread at a workstation of a textile machine, includes seeking an end of the thread on a surface of a bobbin with a suction nozzle and unwinding the thread from the bobbin counter to a regular draw-off direction of the thread and sucking the thread into the suction nozzle. The bobbin is driven in a direction of reverse rotation with a drive. A thread loop is draw-opened in the thread and moved towards a piecing unit via movement of a feeder unit. The bobbin is driven in the direction of reverse rotation during the drawing-open of the thread loop such that the thread is unwound from the bobbin. A speed of reverse rotation of the bobbin is coordinated with movement of the feeder unit.

Abstract: A device for piecing a thread at a workstation of a textile machine includes a suction nozzle configured to pick up a thread end of the thread from a bobbin, the suction nozzle including an entry opening for the thread. A feeder unit is movable with respect to the suction nozzle and includes a cover element configured to close the entry opening in a first position (I) of the feeder unit and to unblock the entry opening in a second position (II) of the feeder unit. The cover element includes a thread-guiding element having an open contour.

Abstract: A system and associated operational method are provided to extract a thread by suction from a bobbin and for re-attachment of a thread end of the thread to a new thread. The thread is extracted from the bobbin by sucking the thread in against its spooling direction on the bobbin through a suction nozzle and into an extraction port of an extraction system. A loop is subsequently formed in the thread, and the thread is separated in the area of the loop. One thread end of the separated thread is discharged into an extraction port, and the other thread end coming from the bobbin is prepared for re-attachment to a new thread. Upon being extracted by suction into the extraction system, the thread is guided through an eyelet located in a run of the thread to the extraction port and the eyelet, together with the thread, is moved out of the run of the thread to the extraction port such that the thread forms the loop between the bobbin, the eyelet, and the extraction port.

Abstract: A method and associated spinning machine for maintaining spinning units of the spinning machine includes a plurality of the spinning units arranged next to one another and at least one maintenance device that is movable along the spinning units to perform maintenance procedures on the spinning units. Prior to maintenance of a spinning unit by the maintenance device, a housing of the spinning unit is opened. Subsequently, the maintenance is performed and then the housing is closed. One or both of the opening and the closing of the housing is carried out autonomously with a sealing device operably configured at the spinning unit.

Abstract: A method is provided for operating a work station of a spinning or winding machine, wherein the work station includes a spinning device for producing a thread or a cop for delivering a thread, and a winding device for producing a bobbin on a tub. The winding device includes a swivel-mounted bobbin holder with a bobbin plate for receiving the tube and for catching the thread, a powered winding roller for rotating the tube or a bobbin, and a thread traversing device. A first suction nozzle is directed towards a circumference of a bobbin on the bobbin holder, and a second suction nozzle is arranged on the bobbin plate turned away from the bobbin and spaced from and directed counter to the first suction nozzle. To attaching a thread to an empty tube placed on the bobbin holder, the thread is arranged in the first and second suction nozzles so that the thread is tensed by negative pressure at least in the second suction nozzle.

Abstract: This invention relates to a thread guide unit (6) for drawing off a thread (4) from a rotor (2) of a spinning unit (1) of an open-end spinning machine with a draw-off tube (18) and a compressed air nozzle (21). In accordance with the invention, it is proposed that thread outlet element (19) is provided, a thread outlet element (19) is provided and a mouth (23) of the compressed air nozzle (21) is formed as a gap between the draw-off tube (18) and the thread outlet element (19). The invention also relates to an open-end spinning machine with a multiple number of spinning units (1), whereas each spinning unit (1) features a spinning assembly (3), a thread guide unit (6) in accordance with the preceding description, draw-off rollers (5), a spooling unit (9, 11) and a thread setting unit (15, 14, 16).

Abstract: With a method for operating a work station of a spinning machine and/or a winding machine, which has a spinning device (1) for producing a thread (2) or a head for delivering a thread (2) along with a winding device (6) for producing a package (7) on a sleeve (18), the winding device (6) features a swivel-mounted coil holder (8) with a coil plate (9) for receiving the sleeve (18) and for catching the thread (2), a powered winding roller (11) for rotating the sleeve (18) and/or the coil (7) along with a thread traversing device, and the work station is equipped with a first suction nozzle (5) that is directed towards the coil circumference and also with a second suction nozzle (12) that is arranged on the side of the coil plate (9) turned away from the package (7) and is directed essentially counter to the first suction nozzle (5) and is spaced apart from it.

Abstract: The method in accordance with the invention for a textile machine, in particular a spinning or a winding machine with multiple similar workstations (1), serves the purpose of delivering a thread (7) to a coil (12), laying the thread (7) on the coil (12), for winding the thread (7) on the coil (12) and for finding a thread end wound on the coil (12) by means of a suction nozzle (4), whereas the thread end is sucked in by means of an opening turned towards the coil circumference that serves as an extraction mouth (10) of the suction nozzle (4). The thread (7) runs through the suction nozzle (4) during the delivery to the coil (12), whereas it enters through an additional opening in the suction nozzle (4) serving as an inlet mouth (9) for the thread (7) and exits the suction nozzle (4) through another opening, in particular through the extraction mouth (10).

Abstract: The method in accordance with the invention serves the purpose of extracting a thread (1) by suction from a coil (3) and the re-attachment of a thread end (13) to a new thread (1), whereas the thread (1) is sucked in against its spooling direction through a suction nozzle (6) into an extraction system, a loop (14) is subsequently formed, the thread (1) is separated in the area of the loop (14), which discharges a thread end (13) in the extraction port and prepares the other thread end (13?) coming out of the coil (3) for re-attachment, and is subsequently attached to a new thread (1). Upon being extracted by suction, the thread (1) is guided through an eyelet (11) located in the run of the thread of the extraction port (8), the eyelet (11) is, together with the thread (1), moved out of the run of the thread of the extraction port (8), such that the thread (1) forms a loop (14) between the coil (3), the eyelet (11) and the extraction port (8), along with a corresponding device.