Abstract: Rewinder for producing paper logs, comprising a winding station with a first winding roller, a second winding roller and a third winding roller driven by corresponding electric motors, including a detection system capable to detect a succession of diameters of the log being formed in the winding station and a programmable electronic unit connected to the electric motors. The system compares the measured diameters with a succession of corresponding diameters of predetermined value and to calculate a sequence of differences between these values. The electronic unit determines a parameter (a) related to the trend over time of the values. The electronic unit changes the relative speed of the first and second roll depending on the value of the parameter.

Abstract: Rewinder for making paper logs of paper material including a detection system with optical means adapted to detect, in a succession of predetermined detection times, a succession of diameters assumed in such times by a log being formed in a winding station and a programmable electronic unit which compares the diameters measured by the optical means with a succession of corresponding preset diameters and to calculate a sequence of differences. The processing unit receives a signal relating to the value of the actual diameter of the completed log and determines a parameter related to the trend over time of the differences. Elements for adjusting the thickness of the paper web automatically adjust said thickness if the parameter is between predetermined values.

Abstract: A core end engagement assembly is provided for a rewinding machine. The core end engagement assembly is configured to engage an end of the core and transmit rotational movement to the core during winding of the web material about the core. The assembly may include a drive housing. A chuck may project from a first end of the drive housing and may be configured to engage the end of the core. A first actuator may reciprocate the drive housing along a central axis of the core between an engagement and disengagement position of the chuck relative to the core. A second actuator may be mounted on the drive housing. The second actuator may be configured and adapted to move the chuck between release and hold positions. A flexible drive shaft operatively connects with and rotationally drives the chuck.

Abstract: Rewinder for making paper logs, including a winding station with a first winding roller and a second winding roller delimiting a nip and a third winding roller downstream of the other rollers. The rewinder includes optical elements for detecting, at a predetermined time, an actual position of each log in said winding station and an electronic unit connected to the optical elements and programmed to compare the actual position with a theoretical position of the log at the time, the electronic unit being connected to at least one motor driving the rollers and programmed to modify the speed of the at least one motor when a deviation between the actual and theoretical positions exceeds a pre-established value, the electronic unit being also programmed to operate said optical elements at the time.

Abstract: A transport device includes a medium carrying unit on which a medium having a first surface and a second surface opposite the first surface is superposedly wound in a cylindrical shape so as to form a roll body, the second surface being oriented so as to form an inner circumferential surface in the roll body, a route defining portion fixed in a curved shape so as to guide the medium such that the second surface is oriented to the inner side of the curve, and a slave roller that nips the medium in collaboration with a transport roller so as to deform the medium such that the second surface becomes oriented to the outer side of the curve, the slave roller being located downstream of the route defining portion in the transport direction of the medium.

Abstract: The invention relates to a winder (1) for winding strips (2), in particular thin metal strips, comprising a coiler drum (3) which is arranged such that it can rotate about a rotational axis (4), and at least one pivoting arm (5) which is arranged such that it can pivot about an axis (6) and which has at least one deflection plate (7) and at least one pressure roller (8), which deflect and press the strip (2) which is to be wound. In order to improve, in particular, the winding of thin strips, the invention provides for the at least one pressure roller (8) to be assigned at least one movement means (9), by way of which the pressure roller (8) can be moved relative to the pivoting arm (5).

Abstract: The invention relates to a device for continuous reeling of a pulp web (1), particularly a paper web, for example tissue, where the pulp web (1) is carried over a reel drum (2) that is supported on rocker arms (4) and is then wound onto a winding unit (5), and the pressing force in the nip (24) is measured between paper roll (16) and reel drum (4) with the aid of a load-sensing device (7), where the rocker arm (4) can be preloaded against the load-sensing device (7), where the rocker arm (4) can be preloaded against the load-sensing device (7) by means of a preloading element (8). It is mainly characterized by the preloading force for preloading the rocker arm (4) against the load-sensing device (7) being adjustable by means of the preloading element (8).

Abstract: An apparatus is disclosed for winding a paper web from a rotatable drum onto a driven spool which supports a reel. The apparatus includes a frame which includes a base having a first and a second end. A stand extends from the first end of the base for rotatably supporting the drum so that the paper web is guided by the drum. A further stand extends from the second end of the base. A carriage is slidably supported by the base such that sliding of the carriage between the first and second ends of the base is permitted. A moving device extends between the carriage and the further stand for moving the carriage relative to the drum. A reel in position control device is controllably connected to the moving device for selectively moving the carriage towards and away from the drum. The arrangement is such that when the reel supported by the driven spool is mounted on the carriage and the paper web is guided by the drum onto the reel, the paper web is controllably wound onto the core.

Abstract: The machine control 30 drives the winder 1 according to the invention in such a manner that for the winding of a reel 6, the pair of supporting arms 17 is continuously moved away from the contact roller 4 in accordance with the calculated desired radius of the reel 6 which is building up. The contact roller is exposed to the contact pressure through the cylinder arrangement 24 and remains in its desired position without any perturbations (out-of-round reel, incorrectly calculated desired radius) but in the event of perturbations, can avoid the perturbation due to its floating mounting.

Abstract: A reel-up for reeling a fiber web where the fiber web to be reeled and a supporting body form a reel nip. The reel-up has at least one measuring body which is arranged in order to be influenced by a turning torque which is a function of the linear load in the reel nip.

Abstract: A method and an apparatus for controlling the cross-directional nip profile of a reeling nip in a reeler, in which the reeling nip is arranged by means of a reeling core or a growing machine reel and at least one loop of an endless supporting member continuous in the direction of the axis of the reeling core. To control the cross-directional nip profile of the reeling nip, variables proportional to the tension of the supporting member are measured, cross-directional tension profile of the supporting member is determined on the basis of said variables, and further, a cross-directional nip profile of the reeling nip is determined, said nip profile being controlled by adjusting the determined cross-directional tension profile of the supporting member.

Abstract: Process and apparatus for damping vibrations in a machine for winding material webs, in which the apparatus includes at least two cylindrical bodies. The process includes positioning the at least two cylindrical bodies to roll on each other to form a nip, such that at least one of imbalance and out-of-roundness of either of the at least two cylindrical bodies form a system capable of vibration. The process further includes actively damping vibrational forces of the vibration system in at least one of the at least two cylindrical bodies by displacing an axis of rotation of the at least one of the at least two cylindrical bodies in accordance with a current one of a plurality of vibrational force measurements made per each rotation of the at least one of at least two cylindrical bodies and with additional energy fed from outside of the vibration system.

Abstract: A winding apparatus for transferring a web from a carrier drum to a spool. Pressure between the spool and the carrier drum is higher in the area of the feed strip of the web by applying a higher contact force, or by orienting the spool and drum at an angle to one another.

Abstract: The apparatus for winding at least one web (1), on a winding roll (2), comprises at least a first roll (3), a second roll (4) and a third roll (5) parallel to one another and to said winding roll (2), said apparatus having a nominal winding position in which: said web (1) passes at least between said third roll (5) and said winding roll (2), and wherein in said nominal winding position, said half-plane delimited by the axis of said third roll (5) and comprising the axis of said winding roll (2) is substaintially horizontal.

Abstract: Apparatus for winding a material web includes one of a spool and a reel. A carrier drum forms a winding nip with the spool or the reel. The material web is guided over the carrier drum. Primary arms guide the spool or the reel when the spool or the reel is in a primary winding phase. Pressing levers are arranged on the primary arms. The pressing levers are structured and arranged to press the spool or the reel onto the carrier drum. Secondary arms are structured and arranged to press the spool or the reel onto the carrier drum when the spool or the reel is in a secondary winding phase. The carrier drum is mounted axially between the primary arms. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: Successive machine reels are reeled from a paper web (W) so the machine reel (R) that is becoming full is reeled in contact with a movable pressing device (5) at a second reeling nip (N2) in a final stationary reeling station apart from a device (1) forming a first reeling nip (N1). A new, empty reel spool (2) is taken to a transfer device (6) and the change is conducted when the reel spool is located in the transfer device (6). The reel spool (2) with machine reel (R) is transferred after the change by the transfer device (6), while in nip contact with the pressing device (5) away from the first nip contact (N1) to the final reeling station, where the machine reel is reeled so that it becomes full, in nip contact (N2) with the pressing device (5), whereafter the transfer device returns to the change station.

Abstract: A process for continuous reeling of a pulp sheet, particularly a paper sheet, where the sheet runs over a reel drum and is later wound on a winding unit. The pressing force in the nip between the horizontal reel and the reel drum being measured without any losses during the entire winding process. This process is implemented by a device having a reel drum and a horizontal reel supported on load-sensing devices.

Abstract: A reel-up having pivoting first members mounted on carriages where the first members engage the bearing housings of a reel spool. The first members are mounted between stops which limit their maximum deflection. A load cell is positioned on each carriage, the pivoting first members being between the load cell and the reel spool bearing housings. The load cells and the flexibility of the pivoting first members are selected so that each first member bottoms out on a stop before the load cell is subjected to more than its design load.

Abstract: In the method for changing linear load on a reel-up which comprises an initial reeling device (9), a reeling shaft (1), a surface drive apparatus or the like, and a loading device (8) for the reeling process taking place after initial reeling, the reeling begins as a so-called initial reeling in the initial reeling device (9) from which the reeling shaft (1) and the initial portion of the reel formed thereon is transferred to the loading device by means of which the stages following the formation of the initial portion of the reel are conducted, in such a manner that the part (8) of the loading device which transmits load to the reeling shaft (1) is brought in contact with the reeling shaft (1).

Abstract: Apparatus for winding a material web includes one of a spool and a reel. A carrier drum forms a winding nip with the spool or the reel. The material web is guided over the carrier drum. Primary arms guide the spool or the reel when the spool or the reel is in a primary winding phase. Pressing levers are arranged on the primary arms. The pressing levers are structured and arranged to press the spool or the reel onto the carrier drum. Secondary arms are structured and arranged to press the spool or the reel onto the carrier drum when the spool or the reel is in a secondary winding phase. The carrier drum is mounted axially between the primary arms. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: In reeling up of a paper web, a continuous paper web is reeled around a reeling core/reeling cores into successive machine reels or customer rolls. The actual control system controlling the reeling up process is supplemented with a substantially separate, model-based learning fault diagnostics. The fault diagnostics in a diagnostic state detects the malfunctions in components critical in view of the operation of the reel-up by monitoring measuring, control and actuating variables of the reel-up and by comparing them with a model formed during a learning state. In a fault tolerance state the fault diagnostics actively affects the measuring, control and actuating variables to maintain the function of the reel-up, and improve operating reliability.

Abstract: A winding machine can wind webs into a plurality of rolls at spaced positions. The machine has a winding roll assembly including a winding roll support and driver. A rider support supports a plurality of rider rollers at and between the spaced winding positions, without projecting between the rider rollers. Some of the rider rollers can contact the rolls. Each of the rider rollers includes a rim wheel encircling the rider support and a pusher reciprocatably mounted on the rider support within the rim wheel. Each of the pushers is commonly coupled within the rider support to enable the pushers to be driven toward an extended position in response to a common force. An extrinsic force can push the pusher into a retracted position to switch into a holding state limiting the ability of the pusher to move to the extended position.

Abstract: Process and winding machine for winding a continuous material web on a reel spool forming a wound reel. The process includes, upon attaining a desired roll diameter in an old wound reel, closing a new winding nip between a reeling drum and a new reel spool brought into a standby position. In this regard, the reeling drum and the old wound reel are jointly displaced while maintaining the old winding nip formed between the reeling drum and the old wound reel. After the closing of the new winding nip between the reeling drum and the new reel spool, the linear load in the new winding nip is adjusted, controlled or regulated by a corresponding displacement and tightening of the reeling drum.

Abstract: A process for continuous reeling of a pulp sheet, particularly a paper sheet, where the sheet runs over a reel drum and is later wound on a winding unit. The pressing force in the nip between the horizontal reel and the reel drum is measured without any losses.

Abstract: Roll winding device, in particular for a reel cutter, with at least one support device, comprising at least one carrying roll disposed with its axis in the lateral direction in a machine frame, which has a column device disposed on each of the two axial ends of the carrying roll, the columns being connected to each other in the lateral direction by means of at least one cross bar. At least one cross bar is embodied as a sealing box which is disposed underneath a winding bed and has a high mechanical stability so that it considerably increases the rigidity of the frame.

Abstract: A device for continuous reeling of a pulp sheet, particularly a paper sheet, where the sheet runs over a reel drum and is later wound on a horizontal reel with a horizontally adjustable holding device. The horizontally adjustable holding device having support rollers that run in guide units, where the guide units are sealed off by a vertically arranged moving belt.

Abstract: A method and apparatus for reeling or winding of a web in which one or more factors affecting the web in the reeling or winding process are controlled by means of measurement data in order to affect the quality of the reel or roll formed in the reeling or winding process. The is measurement data used is the web tension profile of the web brought into the reeling. The web tension profile is measured by means of a measuring device from which the web tension profile data is transmitted to a data processing unit which adjusts the factors affecting the web during reeling or winding.

Abstract: The invention relates to a method for reeling up, in which a paper web or the like is continuously reeled on a reeling core. The formation of the paper reel is controlled at least by means of an actuator (6) of the reeling core (4), advantageously by means of a centre-drive, an actuator (3) of a primary surface drive device (2) of the paper reel, and a nip load (N1) effective between the outer perimeter of a paper reel (5) formed on the reeling core (4) and the outer perimeter of the primary surface drive device (2) of the paper reel, said nip load being produced by means of an actuator (10), a so-called nip load device. According to the invention the torque (Mrs) produced by the actuator (3) of the primary surface drive device (2) of the paper reel is selected to be smaller than the sum (&Sgr;Mi) of the torque values produced by the other actuators driving the paper reel that is being formed.

Abstract: A method is provided using a winder to afford precise adjustment, preferably control of the progression of line force between the reel drum and the wound roll despite unevenness in the surface contour of the wound roll, and ensures that no air entrapment occurs between the individual layers in the wound roll. Further, the “wound in” web tension is maintained during the entire winding process.

Abstract: In reeling up of a paper web, a continuous paper web is reeled around a reeling core/reeling cores into successive machine reels or customer rolls. The actual control system controlling the reeling up process is supplemented with a substantially separate, model-based learning fault diagnostics. The fault diagnostics in a diagnostic state detects the malfunctions in components critical in view of the operation of the reel-up by monitoring measuring, control and actuating variables of the reel-up and by comparing them with a model formed during a learning state. In a fault tolerance state the fault diagnostics actively affects the measuring, control and actuating variables to maintain the function of the reel-up, and improve operating reliability.

Abstract: A web roll is wound (11) by passing the web onto a core (12) via a pressure nip (N) formed between a winding drum (10) and the roll (11), whereby the core (12) is supported by chucks (14) mounted on roll support arms (13). The pressing-nip force in the nip (N) formed between the roll (11) and the winding drum (10) is controlled using a position-feedback technique in which the movements of the roll support arms (13) are synchronized. Moreover, the support arms are moved is response to a control unit which uses a physical model of the winding process which predicts roll diameter at any time. When force sensors which detect an increase in pressure the arms can be advanced to promote even winding of the roll.

Abstract: A take-up reel has a diameter equal to or more than 85 times a thickness of a veneer sheet wound thereon and equal to or more than 300 mm so as to be of a curvature of the take-up reel to reduce cracking in parallel to fiber orientations that occurs in winding a veneer sheet after drying on a winding surface of the take-up reel.

Abstract: Process and apparatus for winding a material web onto a reel spool to produce a wound reel. The process is performed in the apparatus and includes producing the material web, online smoothing of the produced material web, guiding the smoothed material web over a reel drum and through a nip formed between the reel drum and one of the reel spool and the wound reel, maintaining contact between the reel drum and the one of the reel spool and the wound reel, and reeling the smoothed material web while transversely moving at least one of the reel drum and the one of the reel spool and the wound reel relative to a web travel direction. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: A device for use in a reel-up of a paper web, the reel-up including a reeling cylinder mounted on bearings to guide a web on to a reeling axle. The device includes an actuator and a control member for setting and controlling the distance between the reeling cylinder and the reeling axle. The device further includes an actuator and a control member for effectuating and maintaining a force effect between the reeling cylinder and the reeling axle.

Abstract: Process and winding machine for winding a continuous material web on a reel spool forming a wound reel. The process includes, upon attaining a desired roll diameter in an old wound reel, closing a new winding nip between a reeling drum and a new reel spool brought into a standby position. In this regard, the reeling drum and the old wound reel are jointly displaced while maintaining the old winding nip formed between the reeling drum and the old wound reel. After the closing of the new winding nip between the reeling drum and the new reel spool, the linear load in the new winding nip is adjusted, controlled or regulated by a corresponding displacement and tightening of the reeling drum.

Abstract: In the method for controlling reeling in a reel-up of a paper web, a paper web (W) is guided via a rotating reeling cylinder (1) around a reel spoil (2) into a reel (R) in such a way that the paper web (W) is passed onto the reel via a nip (N) between the reeling cylinder (1) and the reel (R). The paper web (W) running onto the reel is subjected to a load by means of actuators of the reel-up, which load affects the structure of the reel and is controlled by means of measured variables determined during the reeling process. A reel density is used as the measured variable, the reel density being determined during the reeling process continuously or at intervals, wherein it is possible to implement a closed control loop.

Abstract: Process and apparatus for damping vibrations in a machine for winding material webs, in which the apparatus includes at least two cylindrical bodies. The process includes positioning the at least two cylindrical bodies to roll on each other to form a nip, such that at least one of imbalance and out-of-roundness of either of the at least two cylindrical bodies form a system capable of vibration. The process further includes actively damping vibrational forces of the vibration system in at least one of the at least two cylindrical bodies by displacing an axis of rotation of the at least one of the at least two cylindrical bodies in accordance with a current one of a plurality of vibrational force measurements made per each rotation of the at least one of at least two cylindrical bodies and with additional energy fed from outside of the vibration system.

Abstract: A process for continuous reeling of a pulp sheet, particularly a paper sheet, where the sheet runs over a reel drum and is later wound on a winding unit. The pressing force in the nip between the horizontal reel and the reel drum is measured without any losses.

Abstract: A method is provided using a winder to afford precise adjustment, preferably control of the progression of line force between the reel drum and the wound roll despite unevenness in the surface contour of the wound roll, and ensures that no air entrapment occurs between the individual layers in the wound roll. Further, the “wound in” web tension is maintained during the entire winding process.

Abstract: The invention relates to a nip force control system in a reel-up gear for a paper machine comprising a pair of primary arms (6, 7) and secondary arms (8, 9) for supporting and positioning a tambour core (2, 3) at the paper web winding operation as well as at the so-called change-over procedure when the tambour core is replaced. Each of the arms are connected to a hydraulic cylinder (10, 11) for positioning the arms and the primary—as well as the secondary arms are provided with load cells (12, 15) for measuring the nip force (F) for respective arm against the tambour core (2, 3). The control system also includes load cells (17) in the holding bracket (4) of the tambour core for measuring the additional force from said holding bracket. By this location of the load cells close to the measuring point an improved nip force control is obtained, especially during the critical change-over procedure.

Abstract: Apparatus and process for winding a web onto a wound reel. The apparatus includes at least one king roll, at least one roll support unit, and a winding bed formed by the at least one king roll and the at least one roll support unit. A separating device includes a cutter located on a displaceable cutter holder, and support arms are swivelably coupled around a rotational axis of the at least one king roll. The support arms are coupled to the cutter holder. The process includes rotating the at least one king roll, such that the wind reel is rotatably driven, moving the cutter toward a gap between the at least one king roll and the at least one roll support unit, and rotating the cutter holder around the rotational axis of the at least one king roll. The process also includes pressing, with the cutter holder, the web against an outer circumference of the at least one king roll, and ejecting the reel from the winding bed, such that the web is separated along the cutter.

Abstract: Method for winding a material web onto a reel in an apparatus that includes a rotatable feed roll, a carrying drum, a discharge roll and a pulper. Winding device for winding a material web onto a reel, said winding device including: a feed roll, a carrying drum, and a support belt which is adapted to guide the material web over the feed roll and the carrying drum. An external vacuum device is positioned adjacent a circumferential surface of the carrying drum which is not contacted by the support belt and the material web and a winding nip is formed between the carrying drum and the reel. A discharge roll is provided for guiding the support belt, and the discharge roll is located in the vicinity of a pulper, downstream from the carrying drum, relative to a web run direction. The discharge roll is also adapted to divert at least a portion of the material web to the pulper before feeding the material web to the reel.

Abstract: Roll winding device and method. The roll winding device has two carrying rollers defining a winding bed adapted to receive a wound roll. Each roller has a respective longitudinal axis, the longitudinal axes being substantially parallel to one another. The device includes a pressure chamber arrangement having opposed sides, opposed ends and a bottom, each side being defined by a respective carrying roller, the bottom being defined by a sealing body, and an end wall present at each opposed end. At least one end wall is a mobile end wall that is adapted to move along an an axis substantially parallel to the longitudinal axes of the carrying rollers. Also provided is a roll winding method for use with a roll winding device.

Abstract: Web winding device for winding a material web into a winding roll. The device comprises a rotatably driven first support roller having a circumferential shell and opposed ends, the shell having an outer surface, an inner surface and further having a plurality of shell openings therethrough. A second support roller is also provided. An end face is disposed at one of the opposed ends of the first support roller and a plurality of conduits are axially disposed within the first support roller and axially extend to the end face section, at least one of the plurality of shell openings communicating with each the conduit. A winding bed area is defined by the first and the second support roller, and adapted to support the winding roll. A suction device is mounted to the end face and provides suction to a portion of the surface of the shell. The suction device is fixed relative to the rotation of said first support roller. A pressurization device may also be used to pressurize the winding bed area.

Abstract: Apparatus and process for at least one of winding and unwinding a material web. The apparatus includes a material web reel and a reel lightening device that includes a blow box and a compressed air supply coupled to the blow box. The blow box may direct the compressed air supply against a periphery of the material web reel to form a gap between the material web reel and the blow box. The apparatus also includes a regulating device coupled to the compressed air supply and adapted to control the gap formed between the material web reel and the blow box at a predefined set point. The process includes positioning the material web reel over the blow box, and blowing the compressed air upwardly toward a periphery of the material web roll, thus, forming a gap between the blow box and the periphery of the material web roll. The process also includes regulating the compressed air supply with the regulating device to maintain a predefined gap width between the blow box and the periphery of the material web roll.

Abstract: A rider roll arrangement adapted for use in a web winding device including at least one winding supported during winding, the rider roll arrangement including a rider roll for pressing against the one winding, the rider roll comprising a support beam and a plurality of weighting rollers mounted to the support beam. Each pair of the weighting rollers includes a bracket for mounting the roller on the support beam, and each weighting roller includes two end to end cylinder piston units that are connected to the bracket and that are located entirely within the respective roller.

Abstract: Reel winding device and process for supporting a winding reel. The device includes two support rolls arranged to form a winding bed adapted for receiving a winding reel, a compressed air support device having a pressure chamber arrangement with end sealing elements, and at least one of the end sealing elements including a sealing diaphragm arrangement that cooperates with a circumference of the winding reel. The process includes rotating the winding reel, positioning the at least one of the sealing elements in a vicinity of an axial end of the winding reel, blowing compressed air toward a circumferential surface of the winding reel, and adjusting a position of the sealing diaphragm in accordance with a diameter of the winding reel.

Abstract: A method and device for applying a load to a reel in a reel-up of a paper web in which a reel spool and the reel wound around it from the paper web are is loaded against a reeling cylinder with a predetermined loading force supported by a supporting point. The supporting point of the loading force is located in a construction movable at least in the machine direction along with the reel spool. The construction is positioned with respect to a fixed supporting point in accordance with the growth of the reel by a transfer device located between the construction and the supporting point and operating by mechanical power transmission, and/or a carriage at least partly bearing the weight of the reel is used as the construction. The supporting point of the reel is transferred at least in the machine direction by the carriage. The loading force is produced by a force device acting between the supporting point in the moving construction and the reel spool.