Abstract: A method of strengthening a conveyable fiber lap in an endlessly circulating conveying device is provided. The method includes conveying the fiber lap using first and second converging rollers, each roller having an outer surface, at least the first roller being provided with profile elements on its outer surface, the profile elements being non-continuous in an axial direction of the first roller; subjecting the fiber lap to a pressure when the fiber lap passes through a gap between the first and second rollers; and strengthening the fiber lap by exerting the pressure by the converging rollers and the profile elements.

Abstract: A cylinder is provided for a spinning preparation machine. The cylinder has an outer shell having a hub at each end of the outer shell. A separate shaft journal is connected to each hub and the shaft journals are glued to the hubs.

Abstract: A drawing mechanism for the doubling and drafting of fiber slivers has a drawing mechanism frame for accommodating the drawing mechanism, which has at least two pairs of rollers each comprising an upper roller and a lower roller and has means for adjusting the spacing of at least one of the lower rollers in relation to another lower roller, in each case having a mounting device for accommodating the lower roller, lower rollers are arranged to be driven by a drive device comprising at least one drive element endlessly revolving around pulley wheels and each lower roller has a roller-driving pulley wheel.

Abstract: A device is provided for use in a carding machine having a roller with clothing, the device being for arranging opposite the clothing on the roller. The device has a flat bar, a clothing strip, and a rigid support element connected to the clothing strip and having fastening elements. The fastening elements engage the flat bar and exert pressure on the flat bar.

Abstract: A flat bar is provided for use in a carding machine having a roller with clothing. The flat bar is for arranging opposite the clothing on the roller. The flat bar has a flat bar support body having a recess, a clothing support having a first side, the first side being positioned in the recess, flat bar clothing attached to a second side of the clothing support, the second side being opposite the first side, and at least one fastening element that secures the first side of the clothing support in the recess.

Abstract: A device is provided for a spinning preparation machine for removing foreign particles, the machine having a rotating cylinder with ends. The device has a knife blade having a separation edge, the knife blade being arranged at an adjustable distance to and angled counter to a rotational direction of the cylinder; a suctioning chamber associated with the knife blade; a holding element to which the knife blade and the suctioning chamber are attached; and at least one adjusting element. The holding element, the knife blade and the suctioning chamber form a single adjustable unit. A position of the single adjustable unit relative to the cylinder is adjustable by adjusting the at least one adjusting element. The at least one adjusting element is located outside one of the ends of the cylinder in a longitudinal direction of the cylinder and in a region of the separation edge on the knife blade.

Abstract: A fiber processing machine includes a roll having a direction of rotation and a clothing for carrying thereon fiber material; a cover partially circumferentially shrouding the roll; an air passage opening provided in the cover; an air guiding element bordering the air passage opening; a support for movably holding the air guiding element for varying a distance between the roll and the air guiding element; a pressure sensor for measuring a static pressure between the cover and the roll; and an arrangement for setting a position of the air guiding element as a function of the pressure measured by the pressure sensor.

Abstract: A flat bar assembly is provided for use with a carding machine having a carding cylinder, the carding cylinder having clothing. The assembly has a flat bar, flat bar clothing attached to the flat bar, and an equalizing layer between the flat bar and the flat bar clothing. The flat bar clothing is for positioning opposite the carding cylinder clothing, and the equalizing layer fills a space between the flat bar and the flat bar clothing to compensate for distance differences between the flat bar clothing and the flat bar and to locate the flat bar clothing at a predetermined position relative to the flat bar.

Abstract: An endlessly circulating conveying device is provided for strengthening a conveyable fiber lap. The device has first and second converging rollers for conveying the fiber lap. Each roller has an outer surface and at least the first roller is provided with profile elements on its outer surface. The rollers are for subjecting the fiber lap to a pressure when the fiber lap passes through a gap between the rollers, and strengthening the fiber lap by exerting the pressure by the converging rollers and the profile elements.

Abstract: A coiler plate is provided for sliver coil depositing. The coiler plate has a rotational axis, a spatially curved sliver channel having a wall, an inside wall surface, a sliver inlet, and a sliver outlet. The sliver inlet is arranged substantially coaxial with the rotational axis, and the sliver outlet is arranged at a radial distance and an axial distance from the sliver inlet. The device has a field producer that produces at least one of a magnetic field and an electric field. The field is for acting on the sliver such that the sliver is positioned away from at least a portion of the sliver channel inside wall surface.

Abstract: A control system for a group of fiber processing machines includes a superordinate control console; and separate machine-specific control consoles connected to each respective fiber processing machine. The superordinate control console and the machine-specific control consoles are connected to one another by control and regulating devices via a network. The superordinate control console is utilized for all and only for those inputs and displays which require no personal control and display acknowledgment at the machines and the machine-specific control consoles are utilized for all and only for those inputs and displays which, for the operation of the machines require a personal control and display acknowledgement at the machines.

Abstract: A carding machine includes a carding cylinder and a plurality of traveling flat bars. Each flat bar has a flat bar clothing carried on an underside of the flat bar for cooperating with the cylinder clothing. The flat bar clothing of the flat bars is oriented at an adjustable angle to the cylinder clothing. Each flat bar has first and second flat bar parts at a longitudinal flat bar end. A first arcuate slide guide is supported adjacent a radial face of the carding cylinder, and the first flat bar part of the flat bars rides on the first slide guide. A second arcuate slide guide is supported adjacent the radial face of the carding cylinder, and the second flat bar part of the flat bars rides on the second slide guide. The second slide guide is wedge-shaped and is shiftable in a circumferential direction of the carding cylinder.

Abstract: A vacuum device is provided for use with a textile processing machine having a rotating roller with cleaning locations. The device has a vacuum generator, a main vacuum line operatively associated with the vacuum generator, a plurality of individual vacuum lines, and a vacuum control valve. Each of the individual vacuum lines has at least one cleaning opening. Each of the cleaning openings is for positioning at one of the cleaning locations. The vacuum generator creates a first vacuum at the upstream side of the vacuum control valve when the vacuum control valve is in one operating position, and a second vacuum at the upstream side of the vacuum control valve when the vacuum control valve is in a secondary operating position. The second vacuum is stronger than the first vacuum.

Abstract: A device for use with a fiber processing machine is provided. The device has a rotating cylinder, a fiber material feeding device that feeds fibers to the cylinder, an air duct that extends essentially tangential to the cylinder in a fiber-removal zone, an airflow creating device coupled to the air duct and creating an airflow in the air duct, and at least two adjustable airflow adjustment elements arranged inside the air duct in the fiber-removal zone.

Abstract: A carding machine includes clothed rolls for processing and carrying fiber material thereon; an arrangement for separating lightweight waste from the fiber material processed by the clothed rolls; a conduit for receiving the lightweight waste; an air stream generating arrangement for generating an air flow in the conduit for removing the lightweight waste; an adjusting device for varying a degree of carding intensity of the carding machine; and a detecting device for measuring quantities of the lightweight waste produced at a respective degree of carding intensity.

Abstract: A fiber cleaning device is provided for use with a carding machine having a rotating clothing cylinder, a housing surrounding the cylinder, and an opening in the housing for removing impurities. The device has a separating knife with a knife edge for locating in the opening and directed counter to a rotational direction of the cylinder, and a pressure regulating element installed downstream, in the rotational direction of the cylinder, of the separating knife. The pressure regulating element is for adjusting a pressure between the housing and the cylinder such that fiber material accumulation on the knife edge is promoted.

Abstract: In order to detect and remove interfering particles, particularly trash particles, husk naps, seed remnants and the like, from textile fiber goods, a device on a carding machine, a cleaner or the like is provided across the width of the carding machine, cleaner or the like with at least one detection device, for example, a camera with an electronic evaluation device for the detection, and a downstream-connected separating device for removing the particles. A plurality of guide elements are provided across the width, which can selectively deflect the fiber goods regions containing the interfering particles to improve the effect of the separating device in a simple manner.

Abstract: An apparatus for determining a point of regulation in a drafting unit includes a sensor for generating signals as a function of change in a quality-representing magnitude of the fiber material running through the drafting unit; a control device receiving the signals for varying a draft of the fiber material by the drafting unit; and an arrangement for continuously determining, during operation, optimal points of regulation based on the signals.

Abstract: A pressure control system is provided for use with a carding machine having a carding cylinder with clothing. The pressure control system has a cover for positioning opposite the carding cylinder clothing, an opening in the cover for separating foreign particles from desirable fibers, and a replaceable pressure regulator mounted in the cover. The pressure regulator is for adjusting a pressure between the cover and the carding cylinder.

Abstract: A device is provided for determining and optimizing a pre-draft value on a draw unit for slivers. The draw unit has a feed roll pair, a center roll pair and a delivery roll pair, a pre-draft zone between the feed roll pair and the center roll pair, and a main draft zone between the center roll pair and the delivery roll pair. The device has a center roll drive motor for driving a lower roll of the center roll pair, a sensor for measuring values of a variable indicative of draft forces at the center roll drive motor, and means for controlling the drive motor in accordance with a function defining a relationship between the measured value and the pre-draft value. The function indicates an optimum region having at least one of an increase end point and an increase end region, the optimum region providing a parameter that is usable for optimizing the pre-draft value for the draw unit.