EP3584016B1 - Wear reduction in coil box rollers - Google Patents

Wear reduction in coil box rollers Download PDF

Info

Publication number
EP3584016B1
EP3584016B1 EP19179962.6A EP19179962A EP3584016B1 EP 3584016 B1 EP3584016 B1 EP 3584016B1 EP 19179962 A EP19179962 A EP 19179962A EP 3584016 B1 EP3584016 B1 EP 3584016B1
Authority
EP
European Patent Office
Prior art keywords
rollers
wear
setting
strip
variables
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19179962.6A
Other languages
German (de)
French (fr)
Other versions
EP3584016A1 (en
Inventor
Bernhard Ehls
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Group GmbH
Original Assignee
SMS Group GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP3584016A1 publication Critical patent/EP3584016A1/en
Application granted granted Critical
Publication of EP3584016B1 publication Critical patent/EP3584016B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16—Unwinding or uncoiling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C49/00—Devices for temporarily accumulating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/522—Wear of friction surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal

Definitions

  • the invention relates to a device and a method for winding and / or unwinding a tape, preferably for winding a metal tape into a bundle in metal processing.
  • a windable metal strip - for example after exiting a roll stand of a rolling train - in a coil box to form a bundle, also referred to as a coil.
  • the coil box usually has several bending rollers that bend the tape and thus bring it into a position suitable for winding, and winding rollers that usually wind the tape without a mandrel, ie with the eye open.
  • the coil box can also have means for transporting the strip, as well as for repositioning and unwinding the bundle.
  • Such a coil box is, for example, in the DE 198 03 091 A1 described.
  • rollers involved in the transport, bending and winding of the tape are exposed to different loads during the process, which means that they wear out at different speeds and in different ways.
  • the times of engagement and angles of attack of the tape relative to the rollers change over time. This problem occurs more intensely when several rollers are driven by a common drive train.
  • the WO 2009/097957 A1 describes a method in which the peripheral speed of the bending rollers is adjusted to the surface speed of the metal strip at the contact line. This can reduce the slip between the metal band and the bending rollers, but are the bending rollers continue to be exposed to different loads - for example different times of engagement, angles of attack, compressive forces, etc. - which can result in different wear behavior.
  • the DE 10 2006 023 602 A1 which forms the basis for the preamble of the independent claims, describes a device for bending a coil eye, the bending rollers of which have a non-cylindrical cut shape.
  • One object of the invention is to provide a device and a method for winding and / or unwinding a strip, preferably for winding a metal strip into a bundle in metal processing, which reduces the wear behavior of rollers, in particular transport, guide, bending and take-up rolls.
  • the device is used for winding and / or unwinding a tape.
  • the tape is preferably a metal tape.
  • the strip can be a metal strip which runs out of a roll stand and which is wound up by the device to form a bundle.
  • the device has several roles.
  • the rollers serve, for example, for transporting, guiding, bending, winding and / or unwinding the tape and are at least temporarily in contact with it.
  • At least one role, preferably several or all roles, has one or more changeable manipulated variables that can be set by an adjusting device.
  • a variable physical, preferably mechanical, property of the role is referred to as “manipulated variable”.
  • the speed of rotation of the roller can be a manipulated variable, as can the torque, the position and / or alignment of the roller, etc.
  • the manipulated variable can also indirectly describe the state of the roller, for example by relating to a variable for controlling a drive of the roller. In this sense, for example, the speed of rotation of the roller is also considered a possible manipulated variable, as is the motor torque of the drive or the excitation current for actuating the drive.
  • the manipulated variable can identify the position of the roller, the position of the piston in the cylinder or the pressures for actuating the hydraulic cylinder. It is important that one or more manipulated variables can be set by a control unit, which is referred to here as an actuating device.
  • the device also has a wear determination device which is set up to determine a state of wear of at least one of the rollers.
  • the state of wear comprises at least one physical property of one or more rollers that changes in the course of the operation of the device due to wear. For example, contact of a roller with the tape can cause a profile change or a change in the diameter of the roller over time.
  • the device preferably has a plurality of driven rollers, each of which has at least one manipulated variable, which can be set by the adjusting device, and is driven by its own drive train.
  • the drive train preferably comprises a drive gear so that the driven rollers are decoupled at least with regard to the gear, whereby the different wear behavior can be taken into account.
  • the individual Drive trains also have their own motors, such as electric motors, in order to further optimize wear behavior.
  • the diameter of one or more rollers can be measured continuously or at certain intervals during operation, the change of which over time is used as a determining parameter of the state of wear.
  • the profiles of rollers can be measured or theoretically determined and included in the state of wear.
  • manipulated variables can be taken into account as well as the belt thickness, belt width, belt temperature, bending force, the bundle weight, the bundle size, etc. The state of wear determined on an experimental and / or theoretical basis is therefore a measure of the wear of one or more rollers.
  • the adjusting device is set up in such a way that it changes one or more manipulated variables, taking into account the determined state of wear.
  • the control of one or more rollers such as setting rotational speeds and / or the timing of the opening of the bending rollers and / or the lowering of winding rollers, etc., takes into account the determined wear condition.
  • one or more manipulated variables can be set during regular operation of the device, i.e. while a tape is being wound.
  • the wear behavior can be optimized.
  • the wear and tear of different rollers can be made more uniform, thereby increasing their operating time and reducing maintenance times and times in which the device is idle due to wear.
  • the wear optimization insofar as it includes bending rollers and / or winding rollers, also contributes to an improvement in the collar eye diameter, the ovality of the collar and the collar opening sequence.
  • the production security is increased by a reduction the cobbler rate improved.
  • the associated improvement in the wear forecast also improves the downtime and spare parts planning.
  • the optimization of the wear behavior can be carried out by readjusting the setting values of the roller drives on the basis of the measured and / or otherwise determined wear on different rollers, e.g. based on the different intervention times, bandwidths and the loads that occur, as well as the input roller shape, i.e. the original roll shape the change due to wear, and the roll base material.
  • Typical wear behavior is known as the "coffin profile”. This means the tendency that rollers wear faster in the middle than at the edges due to a higher load in the middle than at the edges (viewed in the axial direction), which results in a concave wear profile. Such wear behavior can be counteracted by applying layers of different hardness along the axial extent of the roller.
  • a further measure which relates to a preferred embodiment, consists in achieving an equalization of the load distribution through the fluctuation of the strip width by shifting the roller laterally.
  • a measure for the lateral position or displacement of the roller represents a manipulated variable in the sense defined above, which can be set via the actuating device, taking into account the state of wear.
  • the method according to the invention is used for winding and / or unwinding a strip, preferably for winding a metal strip in metal processing.
  • the technical effects, preferred exemplary embodiments and contributions to the state of the art that have been described in relation to the device apply in an analogous manner to the method.
  • the device and the method are particularly suitable for optimizing the wear of bending rolls and / or winding rolls in coil boxes.
  • the invention can also be implemented in other areas, for example to optimize the wear and tear of transport rollers, guide rollers, unwinding rollers, etc.
  • the Figures 1 to 6 show in a schematic way the arrangement of bending and winding rollers of a coil box in the course of winding a metal strip.
  • the Figure 1 shows an arrangement of bending and winding rollers in a coil box for winding a metal strip.
  • the coil box has a group of bending rollers with two upper bending rollers 10a, 10b and a lower bending roller 11.
  • the upper bending roller 10b and the lower bending roller 11 define a bending gap B through which the tape 1 to be wound (cf. Figures 2 to 6 ) is passed through.
  • the adjustment of the upper bending rollers 10a, 10b relative to the lower bending roller 11 can be changed by means of an adjusting cylinder 12.
  • the lower bending roller 11 is designed to be stationary in the present exemplary embodiment, but its position can also be provided to be adjustable.
  • the coil box also has two take-up rollers 20a, 20b, which hold the bundle 2 (cf. Figures 4 to 6 ) carry and store rotatably.
  • the adjustment of the take-up rolls 20a, 20b can be changed by means of an adjustment cylinder 22.
  • the adjusting cylinders 12, 22 are each designed as hydraulic cylinders, but there is no restriction in this regard.
  • the rollers can be adjusted in various ways, for example by an electric motor or magnetically. The roles can also be adjusted in groups or individually.
  • the coil box according to the present example has, for example, a forming roller 30 and three contact elements 31a, 31b, 31c which contribute to a defined winding of the strip 1.
  • the adjusting cylinders 12, 22 are controlled by an adjusting device 40.
  • the actuating device 40 has a wear determining device 50, which is described in more detail below, or communicates with such a device.
  • the Figure 2 shows a state of the coil box at the start of the winding process.
  • the band 1, which passes through the bending gap B, is bent during the transport by the bending rollers 10a, 10b, 11 in such a way that it comes into contact with the contact element 31a.
  • the positions and speeds of the bending and winding rollers 10a, 10b, 11, 20a, 20b are controlled by the actuating device 40, with the rollers with their leads and lags in relation to the belt speed are brought to a certain speed and held.
  • the Figure 3 shows a state in which the tape 1 pre-bent by the bending rollers 10a, 10b, 11 has been transported further in the direction of the take-up rollers 20a, 20b.
  • the tape 1 begins to be wound into a bundle 2 without a mandrel and in contact with the take-up roll 20a, as compared with FIG Figure 4 shows.
  • the adjusting device 40 causes the upper bending rollers 10a, 10b to open, ie the adjusting cylinder 12 moves one or both of the upper bending rollers 10a, 10b away from the stationary bending roller 11, thereby increasing the bending gap B.
  • the direction of the opening of the upper bending rollers 10a, 10b is in the Figure 4 shown by an arrow.
  • the adjusting device 40 also causes the winding rollers 20a, 20b to lower the upper bending rollers 10a, 10b in order to create space for the growing bundle 2. This is also indicated by an arrow from the Figure 5 emerged.
  • the contact condition of the band 1 changes relative to the bending rollers 10a, 10b, 11.
  • the contact of the band 1 changes from contact with all three bending rollers 10a, 10b, 11 to a contact with only two bending rollers 10b, 11, as in FIG Figure 6 shown.
  • the change in the contact state is not only a function of time, ie the process stage, but also depends on other parameters, such as the material thickness of the strip 1, the strip temperature and the strip strength.
  • the coil box has the wear determination device 50. This is set up to determine a state of wear of one or more of the rollers 10a, 10b, 11, 20a, 20b.
  • the state of wear includes at least one physical property of the roll (s) in question, which changes in the course of the operation of the coil box due to wear. For example, a profile change or a change in the diameter of one or more of the bending rollers 10a, 10b, 11 can be included in the state of wear.
  • the state of wear can be determined in various ways. In particular, the state of wear can take place on the basis of a theoretical wear model and / or taking sensor data into account.
  • sensors can be assigned to the bending rollers 10a, 10b, 11, which measure one or more parameters suitable for determining the state of wear, such as the roller diameter, the roller profile, the rotational speed, etc.
  • the sensors communicate with the wear determination device 50, which in turn determines a wear condition from the sensor data and possibly taking into account a theoretical model.
  • the adjusting device 40 is now set up in such a way that it changes the manipulated variables taking into account the determined wear state.
  • the speeds of the bending rollers 10a, 10b, 11 and / or the chronological progression of the opening of the upper bending rollers 10a, 10b can be a function of the state of wear, for example the measured roller diameter.
  • the wear behavior of the rollers can be optimized.
  • the wear and tear on different rollers can be made more uniform, thereby increasing their operating time and reducing maintenance times and times in which the coil box is idle due to wear.
  • the wear optimization also contributes to an improvement in the collar eye diameter, the ovality of collar 2 and the collar opening sequence. Production reliability is improved by reducing the cobbler rate.
  • a more precise wear forecast is possible, which contributes to an improvement in the planning of downtimes and spare parts.
  • the wear determining device (50) is preferably set up to determine the state of wear taking into account measured values measured by one or more sensors, the measured values preferably comprising one or more variables from the following selection: rotational speed of one or more of the rollers (10a, 10b , 11, 20a, 20b); Torque of one or more of the rollers; Change in rotational speed of one or more of the rollers; Change in torque of one or more of the rollers; Profile of one or more of the roles; Profile change of one or more of the roles; Diameter of one or more of the rollers; Change in diameter of one or more of the rollers; Position and / or orientation of one or more of the rollers; Tape thickness; Bandwidth; Belt temperature; Bending force; Bundle weight; Fret size.
  • the manipulated variables that can be set by the adjusting device (40) preferably include one or more variables from the following selection: rotational speed of one or more of the rollers (10a, 10b, 11, 20a, 20b); Torque of one or more of the rollers; Leading and / or lagging factor of one or more of the roles; Position and / or orientation of one or more of the roles.
  • the rollers (10a, 10b, 11, 20a, 20b) preferably include several driven rollers, each of which has at least one manipulated variable, which can be set by the adjusting device (40), and is powered by its own drive train (in the Figures not shown), which preferably has a drive gear and / or a motor, can be driven.

Description

Technisches GebietTechnical area

Die Erfindung betrifft eine Vorrichtung und ein Verfahren zum Aufwickeln und/oder Abwickeln eines Bandes, vorzugsweise zum Aufwickeln eines Metallbandes zu einem Bund in der Metallverarbeitung.The invention relates to a device and a method for winding and / or unwinding a tape, preferably for winding a metal tape into a bundle in metal processing.

Hintergrund der ErfindungBackground of the invention

Es ist bekannt, ein wickelfähiges Metallband - etwa nach dem Austritt aus einem Walzgerüst einer Walzstraße - in einer Coilbox zu einem Bund, auch als Coil bezeichnet, aufzuwickeln. Die Coilbox weist üblicherweise mehrere Biegerollen, die das Band anbiegen und auf diese Weise in eine zum Aufwickeln geeignete Lage bringen, und Aufwickelrollen auf, die das Band zumeist dornlos, d.h. mit offenem Auge, aufwickeln. Die Coilbox kann ferner Mittel zum Transportieren des Bandes, sowie zum Umsetzen und Abwickeln des Bundes aufweisen. Eine solche Coilbox ist beispielsweise in der DE 198 03 091 A1 beschrieben.It is known to wind a windable metal strip - for example after exiting a roll stand of a rolling train - in a coil box to form a bundle, also referred to as a coil. The coil box usually has several bending rollers that bend the tape and thus bring it into a position suitable for winding, and winding rollers that usually wind the tape without a mandrel, ie with the eye open. The coil box can also have means for transporting the strip, as well as for repositioning and unwinding the bundle. Such a coil box is, for example, in the DE 198 03 091 A1 described.

Die am Transport, Biegen und Aufwickeln des Bandes beteiligten Rollen sind während des Prozesses unterschiedlichen Belastungen ausgesetzt, wodurch sie unterschiedlich schnell und auf unterschiedliche Weise verschleißen. So ändern sich die Eingriffszeiten und Angriffswinkel des Bandes relativ zu den Rollen im Verlauf der Zeit. Dieses Problem tritt verstärkt dann auf, wenn mehrere Rollen von einem gemeinsamen Antriebsstrang angetrieben werden.The rollers involved in the transport, bending and winding of the tape are exposed to different loads during the process, which means that they wear out at different speeds and in different ways. The times of engagement and angles of attack of the tape relative to the rollers change over time. This problem occurs more intensely when several rollers are driven by a common drive train.

Die WO 2009/097957 A1 beschreibt ein Verfahren, bei dem die Umfangsgeschwindigkeit der Biegerollen auf die Oberflächengeschwindigkeit des Metallbandes an der Berührungslinie eingestellt wird. Dadurch lässt sich der Schlupf zwischen dem Metallband und den Biegerollen verringern, allerdings sind die Biegerollen weiterhin unterschiedlichen Belastungen - etwa unterschiedlichen Eingriffszeiten, Angriffswinkeln, Druckkräften usw. - ausgesetzt, wodurch ein unterschiedliches Verschleißverhalten auftreten kann.The WO 2009/097957 A1 describes a method in which the peripheral speed of the bending rollers is adjusted to the surface speed of the metal strip at the contact line. This can reduce the slip between the metal band and the bending rollers, but are the bending rollers continue to be exposed to different loads - for example different times of engagement, angles of attack, compressive forces, etc. - which can result in different wear behavior.

Die DE 10 2006 023 602 A1 , welche die Basis für den Oberbegriff der unabhängigen Ansprüche bildet, beschreibt eine Vorrichtung zum Biegen eines Coilauges, deren Biegerollen eine nicht-zylindrische Schliffform aufweisen.The DE 10 2006 023 602 A1 , which forms the basis for the preamble of the independent claims, describes a device for bending a coil eye, the bending rollers of which have a non-cylindrical cut shape.

Darstellung der ErfindungPresentation of the invention

Eine Aufgabe der Erfindung besteht darin, eine Vorrichtung und ein Verfahren zum Aufwickeln und/oder Abwickeln eines Bandes, vorzugsweise zum Aufwickeln eines Metallbandes zu einem Bund in der Metallverarbeitung, bereitzustellen, die das Verschleißverhalten von Rollen, insbesondere Transport-, Führungs-, Biege- und Aufwickelrollen, optimieren.One object of the invention is to provide a device and a method for winding and / or unwinding a strip, preferably for winding a metal strip into a bundle in metal processing, which reduces the wear behavior of rollers, in particular transport, guide, bending and take-up rolls.

Gelöst wird die Aufgabe mit einer Vorrichtung mit den Merkmalen des Anspruchs 1 sowie einem Verfahren mit den Merkmalen des Anspruchs 6. Vorteilhafte Weiterbildungen folgen aus den Unteransprüchen, der folgenden Darstellung der Erfindung sowie der Beschreibung bevorzugter Ausführungsbeispiele.The object is achieved with a device with the features of claim 1 and a method with the features of claim 6. Advantageous developments follow from the subclaims, the following presentation of the invention and the description of preferred exemplary embodiments.

Erfindungsgemäß dient die Vorrichtung zum Aufwickeln und/oder Abwickeln eines Bandes. Das Band ist vorzugsweise ein Metallband. So kann das Band beispielsweise ein aus einem Walzgerüst auslaufendes Metallband sein, das von der Vorrichtung zu einem Bund aufgewickelt wird. Die Vorrichtung weist mehrere Rollen auf. Die Rollen dienen beispielsweise dem Transport, der Führung, dem Biegen, Aufwickeln und/oder Abwickeln des Bandes und stehen dabei mit diesem zumindest zeitweise in Kontakt. Zumindest eine Rolle, vorzugsweise mehrere oder alle Rollen, weist eine oder mehrere änderbare Stellgrößen auf, die von einer Stelleinrichtung einstellbar sind.According to the invention, the device is used for winding and / or unwinding a tape. The tape is preferably a metal tape. For example, the strip can be a metal strip which runs out of a roll stand and which is wound up by the device to form a bundle. The device has several roles. The rollers serve, for example, for transporting, guiding, bending, winding and / or unwinding the tape and are at least temporarily in contact with it. At least one role, preferably several or all roles, has one or more changeable manipulated variables that can be set by an adjusting device.

Mit "Stellgröße" ist eine änderbare physikalische, vorzugsweise mechanische, Eigenschaft der Rolle bezeichnet. Die Drehgeschwindigkeit der Rolle kann eine Stellgröße sein, wie auch das Drehmoment, die Lage und/oder Ausrichtung der Rolle usw.. Die Stellgröße kann den Zustand der Rolle auch indirekt beschreiben, indem sie beispielsweise eine Größe zur Ansteuerung eines Antriebs der Rolle betrifft. In diesem Sinne wird beispielsweise die Drehgeschwindigkeit der Rolle ebenso als mögliche Stellgröße betrachtet, wie das Motordrehmoment des Antriebs oder der Erregerstrom zur Betätigung des Antriebs. Wird - um ein anderes Beispiel zu nennen - die räumliche Lage der Rolle über einen Hydraulikzylinder eingestellt, so kann die Stellgröße die Position der Rolle, die Position des Kolbens im Zylinder oder auch die Drücke zum Betätigen des Hydraulikzylinders kennzeichnen. Wichtig ist, dass eine oder mehrere Stellgrößen von einer Steuereinheit, die hier als Stelleinrichtung bezeichnet ist, einstellbar sind.A variable physical, preferably mechanical, property of the role is referred to as “manipulated variable”. The speed of rotation of the roller can be a manipulated variable, as can the torque, the position and / or alignment of the roller, etc. The manipulated variable can also indirectly describe the state of the roller, for example by relating to a variable for controlling a drive of the roller. In this sense, for example, the speed of rotation of the roller is also considered a possible manipulated variable, as is the motor torque of the drive or the excitation current for actuating the drive. If - to name another example - the spatial position of the roller is set via a hydraulic cylinder, the manipulated variable can identify the position of the roller, the position of the piston in the cylinder or the pressures for actuating the hydraulic cylinder. It is important that one or more manipulated variables can be set by a control unit, which is referred to here as an actuating device.

Die Vorrichtung weist ferner eine Verschleißermittlungseinrichtung auf, die eingerichtet ist, um einen Verschleißzustand zumindest einer der Rollen zu ermitteln. Der Verschleißzustand umfasst zumindest eine physikalische Eigenschaft einer oder mehrerer Rollen, die sich im Verlauf des Betriebs der Vorrichtung aufgrund von Verschleiß ändert. So kann der Kontakt einer Rolle mit dem Band im Verlauf der Zeit eine Profiländerung oder eine Änderung des Durchmessers der Rolle bewirken. Es sei darauf hingewiesen, dass verschiedene Rollen in der Regel unterschiedlich schnell und auf unterschiedliche Art und Weise verschleißen, da sie unterschiedlichen Belastungen, etwa unterschiedlichen Eingriffszeiten und Angriffswinkeln, ausgesetzt sind. Dieses Problem tritt verstärkt dann auf, wenn mehrere Rollen von einem gemeinsamen Antriebsstrang angetrieben werden. Aus diesem Grund weist die Vorrichtung vorzugsweise mehrere angetriebene Rollen auf, die jeweils zumindest eine Stellgröße, einstellbar durch die Stelleinrichtung, aufweisen und von einem eigenen Antriebsstrang angetrieben werden. Der Antriebsstrang umfasst vorzugsweise ein Antriebsgetriebe, so dass die angetriebenen Rollen zumindest im Hinblick auf das Getriebe entkoppelt sind, wodurch dem unterschiedlichen Verschleißverhalten Rechnung getragen werden kann. Vorzugsweise verfügen die individuellen Antriebsstränge auch über eigene Motoren, etwa Elektromotoren, um das Verschleißverhalten weiter zu optimieren.The device also has a wear determination device which is set up to determine a state of wear of at least one of the rollers. The state of wear comprises at least one physical property of one or more rollers that changes in the course of the operation of the device due to wear. For example, contact of a roller with the tape can cause a profile change or a change in the diameter of the roller over time. It should be noted that, as a rule, different roles wear out at different speeds and in different ways, since they are exposed to different loads, such as different engagement times and angles of attack. This problem occurs more intensely when several rollers are driven by a common drive train. For this reason, the device preferably has a plurality of driven rollers, each of which has at least one manipulated variable, which can be set by the adjusting device, and is driven by its own drive train. The drive train preferably comprises a drive gear so that the driven rollers are decoupled at least with regard to the gear, whereby the different wear behavior can be taken into account. Preferably the individual Drive trains also have their own motors, such as electric motors, in order to further optimize wear behavior.

Zum Begriff des "Verschleißzustands" sei darauf hingewiesen, dass dieser durch Messwerte von Sensoren, auf der Grundlage eines theoretischen Verschleißmodells oder durch eine Kombination aus beiden Konzepten ermittelt werden kann. So kann beispielsweise während des Betriebs kontinuierlich oder in bestimmten Abständen der Durchmesser einer oder mehrerer Rollen gemessen werden, dessen Änderung im Verlauf der Zeit als ein Bestimmungsparameter des Verschleißzustands herangezogen wird. Alternativ oder zusätzlich können die Profile von Rollen gemessen oder theoretisch ermittelt werden und in den Verschleißzustand eingehen. Stellgrößen können zu diesem Zweck ebenso berücksichtigt werden wie die Banddicke, Bandbreite, Bandtemperatur, Biegekraft, das Bundgewicht, die Bundgröße usw.. Der auf experimenteller und/oder theoretischer Basis ermittelte Verschleißzustand ist somit ein Maß für den Verschleiß einer oder mehrerer Rollen.Regarding the term "state of wear", it should be pointed out that this can be determined by measured values from sensors, on the basis of a theoretical wear model or by a combination of both concepts. For example, the diameter of one or more rollers can be measured continuously or at certain intervals during operation, the change of which over time is used as a determining parameter of the state of wear. Alternatively or in addition, the profiles of rollers can be measured or theoretically determined and included in the state of wear. For this purpose, manipulated variables can be taken into account as well as the belt thickness, belt width, belt temperature, bending force, the bundle weight, the bundle size, etc. The state of wear determined on an experimental and / or theoretical basis is therefore a measure of the wear of one or more rollers.

Die Stelleinrichtung ist so eingerichtet, dass diese eine oder mehrere Stellgrößen unter Berücksichtigung des ermittelten Verschleißzustands ändert. In anderen Worten: Die Ansteuerung einer oder mehrerer Rollen, etwa das Einstellen von Drehgeschwindigkeiten und/oder der zeitliche Verlauf des Auffahrens von Biegerollen und/oder das Absenken von Aufwickelrollen usw., erfolgt unter Berücksichtigung des ermittelten Verschleißzustands. Hierbei ist eine oder sind mehrere Stellgrößen während des regulären Betriebs der Vorrichtung, d.h. während des Wickelns eines Bandes, einstellbar.The adjusting device is set up in such a way that it changes one or more manipulated variables, taking into account the determined state of wear. In other words: The control of one or more rollers, such as setting rotational speeds and / or the timing of the opening of the bending rollers and / or the lowering of winding rollers, etc., takes into account the determined wear condition. Here, one or more manipulated variables can be set during regular operation of the device, i.e. while a tape is being wound.

Auf diese Weist lässt sich das Verschleißverhalten optimieren. Insbesondere kann der Verschleiß verschiedener Rollen vergleichmäßigt werden, wodurch ihre Einsatzzeit vergrößert, sowie Wartungszeiten und Zeiten, in denen die Vorrichtung verschleißbedingt stillsteht, verringert werden können. Die Verschleißoptimierung, sofern sie Biegerollen und/oder Aufwickelrollen umfasst, trägt zudem zu einer Verbesserung des Bundaugendurchmessers, der Ovalität des Bundes und der Bundöffnungssequenz bei. Die Produktionssicherheit wird durch eine Reduzierung der Cobblerate verbessert. Durch eine damit verbundene Verbesserung der Verschleißvorhersage ist zudem eine Verbesserung der Stillstands- und Ersatzteilplanung gegeben.In this way, the wear behavior can be optimized. In particular, the wear and tear of different rollers can be made more uniform, thereby increasing their operating time and reducing maintenance times and times in which the device is idle due to wear. The wear optimization, insofar as it includes bending rollers and / or winding rollers, also contributes to an improvement in the collar eye diameter, the ovality of the collar and the collar opening sequence. The production security is increased by a reduction the cobbler rate improved. The associated improvement in the wear forecast also improves the downtime and spare parts planning.

Die Optimierung des Verschleißverhaltens kann durch Nachregelung von Setzwerten der Rollenantriebe auf der Basis des gemessenen und/oder anderweitig ermittelten Verschleißes an verschiedenen Rollen erfolgen, etwa basierend auf den unterschiedlichen Eingriffszeiten, Bandbreiten und den dabei auftretenden Belastungen, sowie der Eingangsrollenform, d.h. der ursprünglichen Rollenform vor der verschleißbedingten Änderung, und dem Rollengrundmaterial.The optimization of the wear behavior can be carried out by readjusting the setting values of the roller drives on the basis of the measured and / or otherwise determined wear on different rollers, e.g. based on the different intervention times, bandwidths and the loads that occur, as well as the input roller shape, i.e. the original roll shape the change due to wear, and the roll base material.

Ein typisches Verschleißverhalten, insbesondere bei Warmbandstraßen, ist unter der Bezeichnung "Sargprofil" bekannt. Damit ist die Tendenz gemeint, dass Rollen aufgund einer stärkeren Belastung in der Mitte als an den Rändern (in Axialrichtung gesehen) in der Mitte schneller verschleißen als an den Rändern, wodurch ein konkaves Verschleißprofil entsteht. Einem solchen Verschleißverhalten kann durch Aufbringen unterschiedlich harter Schichten entlang der axialen Erstreckung der Rolle entgegengewirkt werden. Eine weitere Maßnahme, die eine bevorzugte Ausführungsform betriff, besteht darin, durch eine seitliche Verschiebung der Rolle eine Vergleichmäßigung der Lastverteilung durch die Bandbreitenschwankung zu erreichen. Ein Maß für die seitliche Position oder Verschiebung der Rolle stellt in diesem Fall eine Stellgröße in dem oben definierten Sinne dar, die über die Stelleinrichtung unter Berücksichtigung des Verschleißzustands einstellbar ist.Typical wear behavior, especially in hot strip mills, is known as the "coffin profile". This means the tendency that rollers wear faster in the middle than at the edges due to a higher load in the middle than at the edges (viewed in the axial direction), which results in a concave wear profile. Such wear behavior can be counteracted by applying layers of different hardness along the axial extent of the roller. A further measure, which relates to a preferred embodiment, consists in achieving an equalization of the load distribution through the fluctuation of the strip width by shifting the roller laterally. In this case, a measure for the lateral position or displacement of the roller represents a manipulated variable in the sense defined above, which can be set via the actuating device, taking into account the state of wear.

Das erfindungsgemäße Verfahren dient wie die Vorrichtung zum Aufwickeln und/oder Abwickeln eines Bandes, vorzugsweise zum Aufwickeln eines Metallbandes in der Metallverarbeitung. Die technischen Wirkungen, bevorzugten Ausführungsbeispiele und Beiträge zum Stand der Technik, die in Bezug auf die Vorrichtung beschrieben wurden, gelten auf analoge Weise für das Verfahren.The method according to the invention, like the device, is used for winding and / or unwinding a strip, preferably for winding a metal strip in metal processing. The technical effects, preferred exemplary embodiments and contributions to the state of the art that have been described in relation to the device apply in an analogous manner to the method.

Die Vorrichtung und das Verfahren sind besonders geeignet zur Verschleißoptimierung von Biegerollen und/oder Aufwickelrollen in Coilboxen. Doch die Erfindung kann auch in anderen Bereichen umgesetzt werden, so etwa zur Verschleißoptimierung von Transportrollen, Führungsrollen, Abwickelrollen usw..The device and the method are particularly suitable for optimizing the wear of bending rolls and / or winding rolls in coil boxes. However, the invention can also be implemented in other areas, for example to optimize the wear and tear of transport rollers, guide rollers, unwinding rollers, etc.

Weitere Vorteile und Merkmale der vorliegenden Erfindung sind aus der folgenden Beschreibung bevorzugter Ausführungsbeispiele ersichtlich. Die dort beschriebenen Merkmale können alleinstehend oder in Kombination mit einem oder mehreren der oben dargelegten Merkmale realisiert werden, insofern sich die Merkmale nicht widersprechen. Die folgende Beschreibung bevorzugter Ausführungsbeispiele erfolgt mit Bezug auf die begleitenden Zeichnungen.Further advantages and features of the present invention can be seen from the following description of preferred exemplary embodiments. The features described there can be implemented alone or in combination with one or more of the features set out above, provided that the features do not contradict one another. The following description of preferred exemplary embodiments is made with reference to the accompanying drawings.

Kurze Beschreibung der FigurenBrief description of the figures

Die Figuren 1 bis 6 zeigen auf schematische Weise die Anordnung von Biege- und Aufwickelrollen einer Coilbox im Verlauf des Aufwickelns eines Metallbandes.The Figures 1 to 6 show in a schematic way the arrangement of bending and winding rollers of a coil box in the course of winding a metal strip.

Detaillierte Beschreibung bevorzugter AusführungsbeispieleDetailed description of preferred exemplary embodiments

Im Folgenden werden bevorzugte Ausführungsbeispiele anhand der Figuren beschrieben. Dabei sind gleiche, ähnliche oder gleichwirkende Elemente mit identischen Bezugszeichen versehen, und auf eine wiederholende Beschreibung dieser Elemente wird teilweise verzichtet, um Redundanzen zu vermeiden.Preferred exemplary embodiments are described below with reference to the figures. Identical, similar or identically acting elements are provided with identical reference symbols, and a repetitive description of these elements is in some cases dispensed with in order to avoid redundancies.

Die Figur 1 zeigt eine Anordnung von Biege- und Aufwickelrollen in einer Coilbox zum Aufwickeln eines Metallbandes. Die Coilbox weist eine Gruppe von Biegerollen mit zwei oberen Biegerollen 10a, 10b und einer unteren Biegerolle 11 auf. Die obere Biegerolle 10b und die untere Biegerolle 11 definieren einen Biegespalt B, durch den das aufzuwickelnde Band 1 (vgl. Figur 2 bis 6) hindurchgeführt wird. Die Anstellung der oberen Biegerollen 10a, 10b relativ zur unteren Biegerolle 11 ist mittels eines Anstellzylinders 12 veränderbar. Die untere Biegerolle 11 ist im vorliegenden Ausführungsbeispiel stationär ausgebildet, deren Position kann allerdings ebenfalls verstellbar vorgesehen sein. Die Coilbox weist ferner zwei Aufwickelrollen 20a, 20b auf, die den während des Aufwickelns entstehenden und wachsenden Bund 2 (vgl. Figur 4 bis 6) tragen und drehbar lagern. Die Anstellung der Aufwickelrollen 20a, 20b ist durch einen Anstellzylinder 22 änderbar.The Figure 1 shows an arrangement of bending and winding rollers in a coil box for winding a metal strip. The coil box has a group of bending rollers with two upper bending rollers 10a, 10b and a lower bending roller 11. The upper bending roller 10b and the lower bending roller 11 define a bending gap B through which the tape 1 to be wound (cf. Figures 2 to 6 ) is passed through. The adjustment of the upper bending rollers 10a, 10b relative to the lower bending roller 11 can be changed by means of an adjusting cylinder 12. The lower bending roller 11 is designed to be stationary in the present exemplary embodiment, but its position can also be provided to be adjustable. The coil box also has two take-up rollers 20a, 20b, which hold the bundle 2 (cf. Figures 4 to 6 ) carry and store rotatably. The adjustment of the take-up rolls 20a, 20b can be changed by means of an adjustment cylinder 22.

Die Anstellzylinder 12, 22 sind im vorliegenden Beispiel jeweils als Hydraulikzylinder ausgeführt, allerdings besteht diesbezüglich keine Beschränkung. Die Verstellung der Rollen kann auf verschiedene Weise realisiert werden, beispielsweise elektromotorisch oder magnetisch. Ferner kann die Verstellung der Rollen gruppenweise oder individuell erfolgen.In the present example, the adjusting cylinders 12, 22 are each designed as hydraulic cylinders, but there is no restriction in this regard. The rollers can be adjusted in various ways, for example by an electric motor or magnetically. The roles can also be adjusted in groups or individually.

Neben den Biegerollen 10a, 10b, 11 und den Aufwickelrollen 20a, 20b können weitere Rollen und/oder Mittel zum Führen und/oder Transportieren des Bandes 1 vorgesehen sein. Die Coilbox gemäß dem vorliegenden Beispiel weist beispielsweise eine Formrolle 30 und drei Kontaktelemente 31a, 31b, 31c auf, die zu einem definierten Aufwickeln des Bandes 1 beitragen.In addition to the bending rollers 10a, 10b, 11 and the take-up rollers 20a, 20b, further rollers and / or means for guiding and / or transporting the tape 1 can be provided. The coil box according to the present example has, for example, a forming roller 30 and three contact elements 31a, 31b, 31c which contribute to a defined winding of the strip 1.

Die Anstellzylinder 12, 22 werden von einer Stelleinrichtung 40 angesteuert. Die Stelleinrichtung 40 weist eine weiter unten detaillierter beschriebene Verschleißermittlungseinrichtung 50 auf oder kommuniziert mit einer solchen.The adjusting cylinders 12, 22 are controlled by an adjusting device 40. The actuating device 40 has a wear determining device 50, which is described in more detail below, or communicates with such a device.

Die Figur 2 zeigt einen Zustand der Coilbox zu Beginn des Aufwickelvorgangs. Das Band 1, das durch den Biegespalt B tritt, wird während des Transports von den Biegerollen 10a, 10b, 11 so gebogen, dass es mit dem Kontaktelement 31a in Kontakt kommt. Die Positionen und Drehzahlen der Biege- und Aufwickelrollen 10a, 10b, 11, 20a, 20b werden hierbei von der Stelleinrichtung 40 gesteuert, wobei die Rollen mit Ihren Vor- und Nacheilungen in Relation zur Bandgeschwindigkeit auf eine bestimmte Drehzahl gebracht und gehalten werden.The Figure 2 shows a state of the coil box at the start of the winding process. The band 1, which passes through the bending gap B, is bent during the transport by the bending rollers 10a, 10b, 11 in such a way that it comes into contact with the contact element 31a. The positions and speeds of the bending and winding rollers 10a, 10b, 11, 20a, 20b are controlled by the actuating device 40, with the rollers with their leads and lags in relation to the belt speed are brought to a certain speed and held.

Die Figur 3 zeigt einen Zustand, in dem das durch die Biegerollen 10a, 10b, 11 vorgebogene Band 1 weiter in Richtung zu den Aufwickelrollen 20a, 20b transportiert wurde. Das Band 1 beginnt, sich ohne Dorn und in Kontakt mit der Aufwickelrolle 20a zu einem Bund 2 aufzuwickeln, wie ein Vergleich mit der Figur 4 zeigt.The Figure 3 shows a state in which the tape 1 pre-bent by the bending rollers 10a, 10b, 11 has been transported further in the direction of the take-up rollers 20a, 20b. The tape 1 begins to be wound into a bundle 2 without a mandrel and in contact with the take-up roll 20a, as compared with FIG Figure 4 shows.

Beim Erreichen eines bestimmten Bunddurchmessers veranlasst die Stelleinrichtung 40 ein Auffahren der oberen Biegerollen 10a, 10b, d.h. der Anstellzylinder 12 bewegt eine oder beide obere Biegerollen 10a, 10b von der stationären Biegerolle 11 weg, wodurch sich der Biegespalt B vergrößert. Die Richtung des Auffahrens der oberen Biegerollen 10a, 10b ist in der Figur 4 durch einen Pfeil gezeigt.When a certain collar diameter is reached, the adjusting device 40 causes the upper bending rollers 10a, 10b to open, ie the adjusting cylinder 12 moves one or both of the upper bending rollers 10a, 10b away from the stationary bending roller 11, thereby increasing the bending gap B. The direction of the opening of the upper bending rollers 10a, 10b is in the Figure 4 shown by an arrow.

Im weiteren Verlauf des Aufwickelns, ausgelöst durch Erreichen eines bestimmten Bunddurchmessers, veranlasst die Stelleinrichtung 40 zusätzlich zum Auffahren der oberen Biegerollen 10a, 10b ein Absenken der Aufwickelrollen 20a, 20b, um Platz für den wachsenden Bund 2 zu schaffen. Dies geht, ebenfalls durch einen Pfeil angezeigt, aus der Figur 5 hervor.In the further course of the winding, triggered by reaching a certain bundle diameter, the adjusting device 40 also causes the winding rollers 20a, 20b to lower the upper bending rollers 10a, 10b in order to create space for the growing bundle 2. This is also indicated by an arrow from the Figure 5 emerged.

Durch das Auffahren der oberen Biegerollen 10a, 10b verändert sich der Kontaktzustand des Bandes 1 relativ zu den Biegerollen 10a, 10b, 11. So ändert sich ab einer gewissen Öffnung des Biegespalts B die Anlage des Bandes 1 von einem Kontakt mit allen drei Biegerollen 10a, 10b, 11 zu einem Kontakt mit nur noch zwei Biegerollen 10b, 11, wie in der Figur 6 dargestellt. Die Änderung des Kontaktzustands ist nicht nur eine Funktion der Zeit, d.h. des Prozessstadiums, sondern hängt auch von anderen Parametern ab, so etwa der Materialdicke des Bandes 1, der Bandtemperatur und Bandfestigkeit. Ferner verschiebt sich mit dem Absenken der Aufwickelrollen 20a, 20b der Schwerpunkt des Bundes 2 von der Aufwickelrolle 20a und der Formrolle 30 nach und nach in Richtung zur Aufwickelrolle 20b, wodurch sich die Kontaktpunkte und Kontaktdrücke zwischen den Rollen und dem Band 1 verändern. Dadurch können Verschleißungleichgewichte bei den Rollen auftreten.When the upper bending rollers 10a, 10b move up, the contact condition of the band 1 changes relative to the bending rollers 10a, 10b, 11. Thus, from a certain opening of the bending gap B, the contact of the band 1 changes from contact with all three bending rollers 10a, 10b, 11 to a contact with only two bending rollers 10b, 11, as in FIG Figure 6 shown. The change in the contact state is not only a function of time, ie the process stage, but also depends on other parameters, such as the material thickness of the strip 1, the strip temperature and the strip strength. Furthermore, with the lowering of the winding rollers 20a, 20b, the center of gravity of the federal government 2 shifts from the The take-up roll 20a and the forming roll 30 gradually move towards the take-up roll 20b, whereby the contact points and contact pressures between the rolls and the tape 1 change. This can cause wear imbalances in the rollers.

Um einem ungleichmäßigen Verschleißverhalten entgegenzuwirken und den Verschleiß insgesamt zu verringern, weist die Coilbox die Verschleißermittlungseinrichtung 50 auf. Diese ist eingerichtet, um einen Verschleißzustand einer oder mehrerer der Rollen 10a, 10b, 11, 20a, 20b zu ermitteln. Der Verschleißzustand umfasst zumindest eine physikalische Eigenschaft der betreffenden Rolle(n), die sich im Verlauf des Betriebs der Coilbox aufgrund von Abnutzung ändert. So kann beispielsweise eine Profiländerung oder eine Änderung des Durchmessers einer oder mehrerer der Biegerollen 10a, 10b, 11 in den Verschleißzustand eingehen. Die Ermittlung des Verschleißzustands kann auf verschiedene Art und Weise erfolgen. Insbesondere kann der Verschleißzustand auf der Grundlage eines theoretischen Verschleißmodells und/oder unter Berücksichtigung von Sensordaten erfolgen.In order to counteract uneven wear behavior and to reduce overall wear, the coil box has the wear determination device 50. This is set up to determine a state of wear of one or more of the rollers 10a, 10b, 11, 20a, 20b. The state of wear includes at least one physical property of the roll (s) in question, which changes in the course of the operation of the coil box due to wear. For example, a profile change or a change in the diameter of one or more of the bending rollers 10a, 10b, 11 can be included in the state of wear. The state of wear can be determined in various ways. In particular, the state of wear can take place on the basis of a theoretical wear model and / or taking sensor data into account.

So können beispielsweise den Biegerollen 10a, 10b, 11 Sensoren zugeordnet sein, die einen oder mehrere zur Ermittlung des Verschleißzustands geeignete Parameter - etwa den Rollendurchmesser, das Rollenprofil, die Drehgeschwindigkeit usw. - messen. Die Sensoren kommunizieren mit der Verschleißermittlungseinrichtung 50, die wiederum aus den Sensordaten und ggf. unter Berücksichtigung eines theoretischen Modells einen Verschleißzustand ermittelt. Die Stelleinrichtung 40 ist nun so eingerichtet, dass diese die Stellgrößen unter Berücksichtigung des ermittelten Verschleißzustands ändert. So können beispielsweise die Drehzahlen der Biegerollen 10a, 10b, 11 und/oder der zeitliche Verlauf des Auffahrens der oberen Biegerollen 10a, 10b eine Funktion des Verschleißzustands, etwa der gemessenen Rollendurchmesser, sein.For example, sensors can be assigned to the bending rollers 10a, 10b, 11, which measure one or more parameters suitable for determining the state of wear, such as the roller diameter, the roller profile, the rotational speed, etc. The sensors communicate with the wear determination device 50, which in turn determines a wear condition from the sensor data and possibly taking into account a theoretical model. The adjusting device 40 is now set up in such a way that it changes the manipulated variables taking into account the determined wear state. For example, the speeds of the bending rollers 10a, 10b, 11 and / or the chronological progression of the opening of the upper bending rollers 10a, 10b can be a function of the state of wear, for example the measured roller diameter.

Auf diese Weist lässt sich das Verschleißverhalten der Rollen optimieren. Insbesondere kann der Verschleiß verschiedener Rollen vergleichmäßigt werden, wodurch ihre Einsatzzeit vergrößert, sowie Wartungszeiten und Zeiten, in denen die Coilbox verschleißbedingt stillsteht, verringert werden können. Die Verschleißoptimierung trägt zudem zu einer Verbesserung des Bundaugendurchmessers, der Ovalität des Bunds 2 und der Bundöffnungssequenz bei. Die Produktionssicherheit wird durch eine Reduzierung der Cobblerate verbessert. Ferner ist eine genauere Verschleißvorhersage möglich, die zu einer Verbesserung der Stillstands- und Ersatzteilplanung beiträgt.In this way, the wear behavior of the rollers can be optimized. In particular, the wear and tear on different rollers can be made more uniform, thereby increasing their operating time and reducing maintenance times and times in which the coil box is idle due to wear. The wear optimization also contributes to an improvement in the collar eye diameter, the ovality of collar 2 and the collar opening sequence. Production reliability is improved by reducing the cobbler rate. Furthermore, a more precise wear forecast is possible, which contributes to an improvement in the planning of downtimes and spare parts.

Die Verschleißermittlungseinrichtung (50) ist vorzugsweise eingerichtet, um den Verschleißzustand unter Berücksichtigung von Messwerten, gemessen von einem oder mehreren Sensoren, zu ermitteln, wobei die Messwerte vorzugsweise eine oder mehrere Größen der folgenden Auswahl umfassen: Drehgeschwindigkeit einer oder mehrerer der Rollen (10a, 10b, 11, 20a, 20b); Drehmoment einer oder mehrerer der Rollen; Drehgeschwindigkeitsänderung einer oder mehrerer der Rollen; Drehmomentänderung einer oder mehrerer der Rollen; Profil einer oder mehrerer der Rollen; Profiländerung einer oder mehrerer der Rollen; Durchmesser einer oder mehrerer der Rollen; Durchmesseränderung einer oder mehrerer der Rollen; Lage und/oder Ausrichtung einer oder mehrerer der Rollen; Banddicke; Bandbreite; Bandtemperatur; Biegekraft; Bundgewicht; Bundgröße.The wear determining device (50) is preferably set up to determine the state of wear taking into account measured values measured by one or more sensors, the measured values preferably comprising one or more variables from the following selection: rotational speed of one or more of the rollers (10a, 10b , 11, 20a, 20b); Torque of one or more of the rollers; Change in rotational speed of one or more of the rollers; Change in torque of one or more of the rollers; Profile of one or more of the roles; Profile change of one or more of the roles; Diameter of one or more of the rollers; Change in diameter of one or more of the rollers; Position and / or orientation of one or more of the rollers; Tape thickness; Bandwidth; Belt temperature; Bending force; Bundle weight; Fret size.

Die von der Stelleinrichtung (40) einstellbaren Stellgrößen umfassen vorzugsweise eine oder mehrere Größen der folgenden Auswahl: Drehgeschwindigkeit einer oder mehrerer der Rollen (10a, 10b, 11, 20a, 20b); Drehmoment einer oder mehrerer der Rollen; Vor- und/oder Nacheilungsfaktor einer oder mehrerer der Rollen; Lage und/oder Ausrichtung einer oder mehrerer der Rollen.The manipulated variables that can be set by the adjusting device (40) preferably include one or more variables from the following selection: rotational speed of one or more of the rollers (10a, 10b, 11, 20a, 20b); Torque of one or more of the rollers; Leading and / or lagging factor of one or more of the roles; Position and / or orientation of one or more of the roles.

Die Rollen (10a, 10b, 11, 20a, 20b) umfassen vorzugsweise mehrere angetriebene Rollen, die jeweils zumindest eine Stellgröße, einstellbar durch die Stelleinrichtung (40), aufweisen und von einem eigenen Antriebsstrang (in den Figuren nicht dargestellt), der vorzugsweise ein Antriebsgetriebe und/oder einen Motor aufweist, antreibbar sind.The rollers (10a, 10b, 11, 20a, 20b) preferably include several driven rollers, each of which has at least one manipulated variable, which can be set by the adjusting device (40), and is powered by its own drive train (in the Figures not shown), which preferably has a drive gear and / or a motor, can be driven.

BezugszeichenlisteList of reference symbols

11
Bandtape
22
Bund/CoilBundle / coil
10a, 10b10a, 10b
Obere BiegerollenUpper bending rollers
1111
Untere BiegerolleLower bending roller
1212th
Anstellzylinder für die oberen BiegerollenAdjustment cylinder for the upper bending rollers
20a, 20b20a, 20b
AufwickelrollenTake-up rolls
2222nd
Anstellzylinder für die AufwickelrollenAdjustment cylinder for the take-up rolls
3030th
FormrolleForming roll
31a, 31b, 31c31a, 31b, 31c
KontaktelementeContact elements
4040
StelleinrichtungAdjusting device
5050
VerschleißermittlungseinrichtungWear detection device
BB.
BiegespaltBending gap

Claims (10)

  1. Device for winding up and/or unwinding a strip (1), preferably for winding up a metal strip to form a coil (2) in metal processing, wherein the device comprises:
    a plurality of rollers (10a, 10b, 11, 20a, 20b) which are arranged to be at least temporarily in contact with the strip (1), wherein at least one of the rollers (10a, 10b, 11, 20a, 20b) has one or more changeable setting variables which are settable by a setting device (40);
    a wear determining device (50) arranged to determine a wear state of at least one of the rollers (10a, 10b, 11, 20a, 20b); wherein
    the setting device (40) is arranged to set one or more of the setting variables with consideration of the determined wear state,
    characterised in that
    the setting device (40) is arranged to set one or more of the setting variables, which are to be set with consideration of the determined wear state, during regular operation of the device.
  2. Device according to claim 1, characterised in that the wear determining device (50) is arranged to determine the wear state with consideration of measurement values measured by one or more sensors, wherein the measurement values preferably comprise one or more variables from the following selection: rotational speed of one of more of the rollers (10a, 10b, 11, 20a, 20b); torque of one or more of the rollers; rotational speed change of one or more of the rollers; torque change of one or more of the rollers; profile of one or more of the rollers; profile change of one or more of the rollers; diameter of one or more of the rollers; diameter change of one or more of the rollers; position and/or orientation of one or more of the rollers; strip thickness; strip width; strip temperature; bending force; coil weight; coil size.
  3. Device according to one of the preceding claims, characterised in that the wear determining device (50) is arranged to calculate the wear state on the basis of a wear model or with consideration of model parameters.
  4. Device according to any one of the preceding claims, characterised in that the setting variables settable by the setting device (40) comprise one or more variables from the following selection: rotational speed of one or more of the rollers (10a, 10b, 11, 20a, 20b); torque of one or more of the rollers; lead and/or lag factor of one or more of the rollers; position and/or orientation of one or more of the rollers.
  5. Device according to any one of the preceding claims, characterised in that the rollers (10a, 10b, 11, 20a, 20b) comprise a plurality of driven rollers which each have at least one setting variable settable by the setting device (40) and are drivable by an individual drive train, which preferably comprises a drive transmission and/or a motor.
  6. Method winding up and/or unwinding a strip (1), preferably for winding up a metal strip to form a coil (2) in metal processing, wherein the method comprises:
    transporting, guiding, bending, winding up and/or unwinding the strip (1) by a plurality of rollers (10a, 10b, 11, 20a, 20b) at least temporarily in contact with the strip;
    setting one or more setting variables of at least one of the rollers (10a, 10b, 11, 20a, 20b) by means of a setting device (40);
    determining a wear state of at least one of the rollers (10a, 10b, 11, 20a, 20b) by means of a wear determining device (50); wherein
    the setting device (40) sets one or more of the setting variables with consideration of the determined wear state,
    characterised in that
    the setting devices (40) sets one or more of the setting variables, which are set with consideration of the determined wear state, during regular operation of the device.
  7. Method according to claim 6, characterised in that the wear determining device (50) determines the wear state with consideration of measurement values measured by one or more sensors, wherein the measurement values preferably comprise one or more variables from the following selection: rotational speed of one of more of the rollers (10a, 10b, 11, 20a, 20b); torque of one or more of the rollers; rotational speed change of one or more of the rollers; torque change of one or more of the rollers; profile of one or more of the rollers; profile change of one or more of the rollers; diameter of one or more of the rollers; diameter change of one or more of the rollers; position and/or orientation of one or more of the rollers; strip thickness; strip width; strip temperature; bending force; coil weight; coil size.
  8. Method according to claim 6 or 7, characterised in that the wear determining device (50) calculates the wear state on the basis of a wear model or with consideration of model parameters.
  9. Method according to any one of claims 6 to 8, characterised in that the setting variables settable by the setting device (40) comprise one or more variables from the following selection: rotational speed of one or more of the rollers (10a, 10b, 11, 20a, 20b); torque of one or more of the rollers; lead and/or lag factor of one or more of the rollers; position and/or orientation of one or more of the rollers.
  10. Method according to any one of claims 6 to 9, characterised in that the rollers (10a, 10b, 11, 20a, 20b) comprise a plurality of driven rollers which each have at least one setting variable settable by the setting device (40) and are driven by an individual drive train, which preferably comprises a drive transmission and/or a motor.
EP19179962.6A 2018-06-15 2019-06-13 Wear reduction in coil box rollers Active EP3584016B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018209664.3A DE102018209664A1 (en) 2018-06-15 2018-06-15 Reduced wear on coil box rolls

Publications (2)

Publication Number Publication Date
EP3584016A1 EP3584016A1 (en) 2019-12-25
EP3584016B1 true EP3584016B1 (en) 2021-04-28

Family

ID=66857767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19179962.6A Active EP3584016B1 (en) 2018-06-15 2019-06-13 Wear reduction in coil box rollers

Country Status (2)

Country Link
EP (1) EP3584016B1 (en)
DE (1) DE102018209664A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111232704B (en) * 2020-03-01 2021-06-22 江苏荣生电子有限公司 Crimping device is used in electrode foil production
CN113843277A (en) * 2020-06-28 2021-12-28 上海梅山钢铁股份有限公司 Hot coil box coiling forming control device and control method
CN112705595A (en) * 2020-12-25 2021-04-27 中冶南方工程技术有限公司 Strap collection apparatus and method
CN113634620B (en) * 2021-08-11 2023-09-01 武汉科技大学 Roller wear monitoring and self-adaptive feedback adjusting system and method for straightener

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2325559A (en) * 1942-09-05 1943-07-27 Jr Patrick Henry Washam Strip coiler
JPH09196649A (en) * 1996-01-18 1997-07-31 Nippon Steel Corp Method for diagnosing wear and deterioration of roll-like rotating body
DE19803091A1 (en) 1998-01-28 1999-07-29 Schloemann Siemag Ag Operating procedure for a bundle conversion system and the corresponding bundle conversion system
DE102006023602A1 (en) * 2006-05-19 2007-11-22 Sms Demag Ag Assembly for the formation of a winding eye at the center of a sheet metal ribbon coil has profiled feed roller
AT506331B1 (en) 2008-02-08 2010-03-15 Siemens Vai Metals Tech Gmbh METHOD AND BENDING DEVICE FOR PROGRESSIVELY BENDING A METAL STRIP IN THE MOUNTING AREA OF A THINNESS BELT HASPING DEVICE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3584016A1 (en) 2019-12-25
DE102018209664A1 (en) 2019-12-19

Similar Documents

Publication Publication Date Title
EP3584016B1 (en) Wear reduction in coil box rollers
EP0350431B1 (en) Continuous casting method for production slabs compared to cast condition with a reduced thickness
EP1784266B1 (en) Rolling mill for rolling a metallic strip
EP3210681B1 (en) Device and method for rolling a strip of material with variable thickness
DE10014813A1 (en) System for position correct coiling metal strip in reeling system with which esp. rolled heating strip is supplied to reeling unit over drive rollers with regulator altering roller
EP1908534B1 (en) Rolling mill and method for flexible cold or hot one-way or reverse rolling of a metal strip
WO2012019917A1 (en) Method for producing rolling stock by means of a combined continuous casting and rolling system, control device for a combined continuous casting and rolling system, and combined continuous casting and rolling system
EP0906797B1 (en) Method and device for straightening a metal strip in a hot rolling mill
EP2621645B1 (en) Method for actuating a tandem roll train, control and/or regulating device for a tandem roll train, machine-readable program code, storage medium and tandem roll train
EP2741870B1 (en) Rolling system and rolling method
EP3595823B1 (en) Method for operating a roll straightening machine, and roll straightening machine
WO2005107973A1 (en) Method for rolling a product to be rolled comprising a transition region
DE19524729A1 (en) Method and device for rolling strips with a non-uniform thickness and / or length distribution across their width
EP3826781B1 (en) Method and device for determining the lateral contour of a running metal strip
EP2459329B1 (en) Method for controlling and/or regulating a bearing on a metal band that passes through a mill train, control and/or regulating device and mill train
WO2011095265A2 (en) Hot rolling train for rolling hot-rolled strip, method for operating a hot rolling train for rolling hot-rolled strip, and control device
DE60118964T2 (en) DEVICE AND METHOD FOR WRAPPING TRACKS
EP1669141B1 (en) Process for the control of the cross-section of wires running out from a wire rolling mill and metal wire rolling mill
EP4240544B1 (en) Stabilisation of the rolled product during opening and/or closing of a roll stand
DE10159608B9 (en) Rolling process and rolling train for a band with a weld
EP3873685B1 (en) Roll line
DE19939166B4 (en) Method for flexible rolling of a metal strip
DE19828575B4 (en) Metal strip forming method using hot strip mill
EP1294502B1 (en) Device for processing strip
EP1077192B1 (en) Method of winding a running material web

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20190613

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20200131

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20201203

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502019001301

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1386527

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210515

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210728

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210828

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210729

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210830

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210728

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20210428

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502019001301

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20210630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210613

26N No opposition filed

Effective date: 20220131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210613

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210828

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210628

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210630

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220630

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20190613

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20230620

Year of fee payment: 5

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230707

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20230623

Year of fee payment: 5

Ref country code: GB

Payment date: 20230622

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428