Abstract: A carder includes a machine frame, a controller, and a drum provided with a clothing on an outer surface thereof. Working elements are disposed relative to the outer surface of the drum. The drum includes two stub axles or a continuous axial along a longitudinal axis thereof, the continuous axle having a first end and an opposite second end and each of the stub axles having an outer end face. An acceleration sensor that measures structure-borne sound is mounted on the end face of at least one of the stub axles or on the first end of the continuous axle.

Abstract: A display and operating device for a textile machine includes a touchscreen that displays a first main operating mask and of a second main operating mask, both of which present a plurality of retrievable information masks and input masks for operating the textile machine. The first main operating mask includes a machine visualization field that displays a simplified visualization of the textile machine and at least one shortcut operating button related to an operational task to be carried out by an operator on the textile machine. The first main operating mask also includes a first toggle button for accessing and presenting the second main operating mask. The second main operating mask includes a display of an overview of selectable submenus by means of which machine settings of the textile machine are set or changed, and additional information is retrievable.

Abstract: A textile mill system and associated method include a plurality of spinning mills each having textile machines. A computer system determines adapted machine parameters for the textile machines and processes within the spinning mills. The computer system includes a receiving and transmitting section configured to receive operational information from the spinning mills and the textile machines, and a first database configured to store the received operational information. A processing section includes an optimizer section with a neural network, wherein the neural network uses the operational information stored in the first database with processes for or derived from supervised or unsupervised machine or deep learning to determine the adapted machine parameters.

Abstract: A method is performed at a spinning machine that includes a plurality of spinning stations at which different yarn lots are spun. The method transports tubes from multiple tube magazines to the spinning stations. At the spinning station, a yarn is spun from a sliver deposited in a can and is wound onto the tube. An identical marking associated with a respective one of the different yarn lots is provided on the following components: each of the tubes, each of the tube magazines, a display device at the spinning station, a monitor at a machine control system, the cans at the spinning station, and a service unit that travels alongside of the spinning stations.

Abstract: An axial bearing for a spinning rotor of an open-end spinning machine includes a static bearing component having axially polarized permanent magnet rings delimited on both sides by ferromagnetic pole disks arranged in a bearing housing, the static bearing component interacting with a dynamic bearing component formed by ferromagnetic webs arranged on a rotor shaft of the spinning rotor. Each pole disk includes a disk ring, a central opening, a vertical axis, and a horizontal axis. The disk ring includes an area of reduced ferromagnetic material on an inner circumference thereof at the vertical axis as compared to a remaining inner circumferential area of the disk ring.

Abstract: A spinning mill includes textile machines each having an application and an application programming interface in communication with a database, auxiliary spinning mill devices each having an application and an application programming interface in communication with a database, a spinning mill platform having an application and an application programming interface in communication with a database, a spinning mill application having an application programming interface in communication with a database, and a third party application having an application programming interface in communication with a database. The spinning mill platform further includes additional application programming interfaces connected to the application programming interface of the spinning mill application or the third party application.

Abstract: A method and associated handling unit transfer a sliver from a sliver can into a workstation of a sliver processing textile machine that has a plurality of identical workstations arranged next to one another. The handling unit is stopped at the workstation and the sliver is captured with the handling unit at the sliver can. The captured sliver is transferred to a receiving unit of the workstation and, after the sliver has been transferred, the sliver is released from the handling unit as the handling unit leaves the workstation. After the sliver has been released, a check is performed to determine whether the sliver has been completely removed from the handling unit.

Abstract: A textile machine management system and associated method for textile machines include automated guided transportation vehicles that transport material carriers between the textile machines. A logistic control system controls movement of the transportation vehicles. A material management apparatus manages the material flow between the textile machines and includes: a material flow database; a prediction module; and a disposition module.

Abstract: A method and associated device and system are provided for recording trash in a fiber preparation system having a plurality of cleaning points and a transport line that is connected to the cleaning points and is guided into a central container connected to a negative pressure source for generating transport air. The trash is suctioned from each cleaning point through the transport line with the transport air to the central container and is feed separately from each cleaning point to the central container. In the central container, the trash is separated from the transport air and transferred into a scale for weighing. With the trash located on the scale, an optical recording of the trash is made with a camera directed to an interior of the scale.

Abstract: A spinning machine and associated operational method include a plurality of adjacently arranged workstations that each have a spinning device for making a thread and a suction nozzle for seeking a thread end on a package. A first suction system includes a first vacuum source and a first vacuum duct extending along the workstations, the spinning devices of the workstations connected to the first suction system. A second suction system includes a second vacuum source and a second vacuum duct extending along the workstations, the suction nozzles of at least a first partial number of the workstations connected to the second suction system. The first suction system and the second suction system are pneumatically completely disconnected from one another.

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 spinning machine includes a plurality of adjacently arranged spinning stations, wherein carrier devices for a fiber bundle are assigned to the spinning stations. Each spinning station operating with a fiber bundle feed device and a fiber bundle piecing device. The fiber bundle piecing device includes a sliver pickup configured to grasp and pick up a leading end of the fiber bundle from the carrier device and a supply device configured to move the leading end of the fiber bundle to the feed device. The piecing device with the sliver pickup and the supply device is at a fixed stationary position relative to the spinning stations and is assigned to a single spinning station or a group of spinning stations.

Abstract: A method determines an electrical characteristic at a spinning machine or winder, wherein the electrical characteristic is one or both of electrical power and electrical energy consumption. The spinning machine or winder includes a plurality of adjacently arranged workstations that each include an electrical working element. A total electrical characteristic for the spinning machine or winder is measured with a central measuring unit. The workstations are subdivided into at least two production groups that operated independently of one another. A distribution key is defined and used to calculate the electrical characteristic specific to each of the production groups by allocating the total electrical characteristic to the production groups with the distribution key. The specific production group electrical characteristics are displayed at the spinning machine or winder and transmitted to a computer that is at a higher control level than the spinning machine or winder.

Abstract: A spinning machine and method are provided for feeding a sliver end of a sliver deposited in a can to a spinning position of the spinning machine, wherein the spinning machine includes a plurality of adjacently arranged spinning positions and a plurality of cans arranged in at least a first row under the spinning positions. With a sliver gripper of a robot, the method includes seeking the sliver end from one of the cans in an area that includes at least one adjacent spinning position to a spinning position to be supplied. The sliver end is grasped with the sliver gripper and fed to the spinning position to be supplied.

Abstract: A method is provided for operating a suction device of a textile machine having a plurality of workstations wherein an air flow and a vacuum are produced with aid of the suction device. The method includes filtering the air flow with a filter element, and determining a loss of pressure or volume flow at the filter element. Based on the loss of pressure or the volume flow, an actual value is calculated for present maximum vacuum-requiring operations of the workstations that can be simultaneously executed. Based on the number of operating workstations, a setpoint value is determined for the maximum vacuum-requiring operations of the workstations that can be simultaneously executed. The setpoint value is compared to the actual value for control of the suction device.

Abstract: A sleeve magazine for a textile machine and operational method include multiple transport elements each with a plurality of holders configured for holding a sleeve, wherein each transport element is driven to move the holders and sleeves to a removal point. A removal device at the removal point removes the sleeves from the holders. A controller controls movement of the individual transport elements such that the holder of at least one transport element is moved with the sleeve thereon to the removal point. The controller actuates the removal device to remove the sleeve from the holder at the removal point while the holders of the remaining transport elements are maintained outside of the removal point so as not to interfere with removal of the sleeve from the holder at the removal point.

Abstract: A spinning machine and method of operation include a plurality of adjacently arranged workstations, each workstation having one of a spinning device or a suction nozzle to which a process vacuum is applied during spinning operation. A vacuum duct extends along the workstations for supplying the spinning devices or the suction nozzles with the process vacuum. A maintenance unit is displaceable along the workstations, the maintenance unit including a pneumatic working element and a vacuum line to supply the pneumatic working element with vacuum. A closeable connection opening is at each of the spinning devices or the suction nozzles, the connection opening connected to the process vacuum. The maintenance unit includes a suction head that is advanceable toward the connection opening and is connected to the vacuum line.

Abstract: A method is provided for identifying a spinning rotor on a rotor spinning machine, wherein the spinning rotor is mounted in a suspended manner in a radially acting magnetic bearing during a spinning operation. At least one system variable that varies between different spinning rotors is identified. The system variable is detected and compared to at least one reference value. The system variable is one or a combination of: an energy consumption of the magnetic bearing; a radial position of the spinning rotor; or a resonant frequency of the spinning rotor. A rotor spinning machine that carries out the method is also provided.

Abstract: A device for contactless measurement of one or more parameters of a linear textile formation (e.g., yarn) includes a yarn sensor with at least two mutually independent detection zones for one or a combination of the parameters of yarn presence, yarn movement, or yarn quality. The individual detections zones are arranged in defined positions relative to at least two different yarn paths of the yarn at a workstation depending on changed states of the yarn at the workstation so that at least one of the parameters is measured in each of the detections zones.

Abstract: A method for operating a spinning machine that has a plurality of adjacently arranged workstations and at least one trash conveying unit that transports trash accumulating at the workstations to at least one receiving unit includes discontinuously driving the trash conveying unit during operation of the spinning machine.