EP2113608A2 - Dispositif de racloir et dispositif de raclage - Google Patents

Dispositif de racloir et dispositif de raclage Download PDF

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Publication number
EP2113608A2
EP2113608A2 EP09154835A EP09154835A EP2113608A2 EP 2113608 A2 EP2113608 A2 EP 2113608A2 EP 09154835 A EP09154835 A EP 09154835A EP 09154835 A EP09154835 A EP 09154835A EP 2113608 A2 EP2113608 A2 EP 2113608A2
Authority
EP
European Patent Office
Prior art keywords
blade
scraper
scraper blade
piezoelectric sensors
movable surface
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.)
Withdrawn
Application number
EP09154835A
Other languages
German (de)
English (en)
Other versions
EP2113608A3 (fr
Inventor
Antje Dr. Berendes
Norbert Dr. Gamsjäger
Georg Dr. Mag. Gobec
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2113608A2 publication Critical patent/EP2113608A2/fr
Publication of EP2113608A3 publication Critical patent/EP2113608A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G3/00—Doctors
    • D21G3/005—Doctor knifes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/10—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with blades

Definitions

  • the invention relates to a scraper device comprising a doctor blade for interacting with a movable surface, a holding device for the doctor blade, a device for generating a contact pressure for pressing the doctor blade to the movable surface and means for at least indirectly detecting a contact pressure and / or Contact pressure over at least a portion of the extension of the doctor blade at least indirectly descriptive size.
  • the invention further relates to a doctor device.
  • Scraper devices for cleaning movable surfaces or doctor devices for equalizing application media to movable surfaces are previously known in a variety of prior art designs.
  • the adjustment of the blades in scraper devices takes place counter to the direction of movement of the movable surface
  • squeegee devices in particular stripping devices
  • the employment takes place in the direction of movement and spaced from the surface.
  • the problem is often to ensure a secure operation across the width of a predefined required contact pressure and / or a required contact pressure distribution and / or a uniform Distance between blade and surface to achieve.
  • the deflection caused by large blade lengths plays an essential role.
  • the contact pressure and / or the contact pressure during operation may vary due to further influences.
  • For measuring the contact pressure and / or the contact pressure and its distribution profile therefore means for at least indirect detection of the contact pressure and / or the contact pressure are at least indirectly characterizing size previously known. The measurement takes place either directly or indirectly.
  • a further embodiment of a scraper device to be used in a machine for producing fibrous webs with a support beam, a blade holder arranged thereon, in which a scraper blade is used for scraping off the roller or a correspondingly moving surface is known from US Pat EP 1 244 850 B1 previously known.
  • the scraper blade or the blade holder in this case have one or more sensors, which are arranged inside or outside and are intended to measure the wear and / or the tension of the blade holder and / or the scraper blade, wherein one or more serving as a sensor optical fibers in Inside the blade holder and / or the doctor blade are arranged.
  • This version is designed for the specific sensor version.
  • the optical fibers are in the Integrated arrangement, which has to be considered in the structural design.
  • a calibration device is previously known, by means of which the contact pressure of an adjacent to the circumference of a roll or a cylinder in a paper machine blade of a scraper device can be controlled.
  • This device is characterized in that on a holding blade, a sensor holder is provided, which is provided with a pressure sensor, wherein the holding blade, the sensor holder and the pressure sensor are positionable such that the position of the pressure sensor on the circumference of the roller or the cylinder the investment of the Blade matches.
  • This device is used for calibrating, in particular for determining the contact pressure, wherein the blade is replaced after the calibration process by the actual doctor blade, with the contact pressure on the doctor blade edge can be generated reproducible.
  • the single pressure sensor can be designed differently.
  • this is designed as a tactile pressure sensor, in particular as a piezoelectric sensor.
  • the solution is characterized in that although a calibration of the contact pressure can be carried out in advance, but in the application of the contact pressure is not further monitored and due to the lack of monitoring and no adjustment to changing boundary conditions.
  • the invention is therefore based on the object, a scraper device of the type mentioned in such a way that on the one hand, the contact pressure and the distribution profile over the width of the movable surface can be determined as needed, the device for detecting the contact pressure can work independently and also the device for Detection can be used for any length of scraper.
  • the solution of the invention should be characterized by a low design and control engineering effort.
  • a scraper device comprising a scraper blade for cooperation with a movable surface, a holding device for the scraper blade, a device for generating a contact pressure for pressing the doctor blade to the movable surface and means for at least indirectly detecting the contact pressure and / or the contact pressure at least indirectly descriptive size over at least a portion of the extension of the scraper blade is inventively characterized in that the means for at least indirectly detecting a contact force and / or the contact pressure at least indirectly characterizing size comprises at least a portion of the extension of the doctor blade at least one piezoelectric sensor.
  • Piezoelectric sensors are active sensors which are preferably used for fast and timely detection of dynamically changing measured variables.
  • the operation of piezoelectric sensors is based on the induction of stresses under the influence of elastic stress states in the carrier region of the piezoelectric sensors. An external voltage supply is thus not necessary, which has a considerable constructive and energetic advantage.
  • the contact pressure can be determined directly and promptly.
  • the sensors are very small and compact, so that they can be arranged free of any impairment of the functioning of the doctor blade on or at this.
  • piezoelectric sensors are very robust and can deliver reproducible values over longer periods of time.
  • the sensors enable reliable detection during operation of the scraper device.
  • the attachment can be done on blades made of different materials and with different surface finish.
  • the scraper device is a device for cleaning movable surfaces.
  • the employment of the blade is opposite to the direction of movement of the movable surface.
  • a plurality of piezoelectric sensors are preferably provided for determining pressure profiles over the length of the doctor blade, which corresponds to the extension of the doctor blade in the width direction of the movable surface and / or over the length of doctor blade component regions.
  • the doctor blade comprises at least two doctor blade parts, which are arranged adjacent to each other over the length of the doctor blade, at least one of the doctor blade parts having piezoelectric sensors.
  • the scraper blade part having the piezoelectric sensors forms a measuring beam.
  • the piezoelectric sensors arranged over the length of the doctor blade and / or of the individual measuring beam are each arranged at the same distance from the blade end acting on the movable surface on the blade.
  • the piezoelectric sensors arranged over the length of the scraper blade and / or a scraper blade part are each viewed at a constant distance from one another in the length direction of the scraper blade.
  • meaningful distribution profiles for the contact pressure over the length of the doctor blade can be created with support from a large number of measuring points.
  • the piezoelectric sensors can be arranged on the blade underside directed away from the contact area on the surface of the doctor blade, but it is also possible to arrange the sensors on the top of the blade or on both sides of the blade, if this is advantageous or necessary due to the installation situation is.
  • the piezoelectric sensors are arranged on the movable surface within the extent of the contact region. When mounted on the underside of the blade, no special modifications are required.
  • the piezoelectric sensors can be easily arranged on the blade surface, for example by means of an adhesive connection.
  • the piezoelectric sensors may be disposed in recesses disposed on the blade surface. As a result, an arrangement in the contact area of the doctor blade on the doctor blade front side is possible.
  • the piezoelectric sensors may have a round shape whose extension is substantially equal in two mutually perpendicular directions lying in a plane. This shape is easy to produce.
  • the piezoelectric sensors may also have an elongate shape whose extent is different in size in two mutually perpendicular directions lying in a plane. This embodiment allows a targeted adjustment of the orientation of the sensors relative to each other and relative to an extension direction of the doctor blade with the corresponding possibility of modeling the evaluable signal.
  • the elongate piezoelectric sensors are arranged relative to each other in parallel with respect to their greater extent. As a result, a homogenization of the sensor signal across the entire width is possible.
  • the elongated piezoelectric sensors can be arranged inclined at an angle to the length direction of the doctor blade.
  • the angle should be greater than 0 °, preferably greater than 45 °, particularly preferably approximately 90 °. The greater the angle between the direction of extension of the sensor and the direction of extension of the doctor blade, the more accurately the force acting on the sensor can be measured.
  • the individual carrier region carrying the piezoelectric sensor on the doctor blade and / or on the individual doctor blade part is decoupled from the remaining carrier areas or free areas of piezoelectric sensors in order to actually free only the voltage states in the arrangement region of piezoelectric sensors from being influenced by deformation states in each adjacent area to capture.
  • the scraper blade and / or the individual scraper blade part have edge-open recesses or cuts on both sides of a piezoelectric sensor.
  • the piezoelectric sensor as encoder detects actual quantities of measured values that can be evaluated and / or as input variables for Controls / regulations are used.
  • the piezoelectric sensors of a scraper blade and / or a scraper blade part are for this purpose individually or in groups or coupled together with a data receiving and / or evaluation.
  • the coupling can be designed as an electrical coupling or wirelessly. In the first case, this includes line connections using single lines or a serial interface.
  • the cable connections and the areas of the doctor blade provided with sensors can be completely or partially protected by a suitable cover or housing.
  • the wireless connection can be via infrared or radio.
  • corresponding transmitting and / or receiving devices are required, which are coupled to the sensor and / or the data acquisition and / or evaluation or form a structural unit.
  • the data acquisition and / or evaluation device is preferably formed for further processing and adjustment of the contact pressure of a control and / or regulating device and / or a personal computer.
  • the inventive solution of using piezoelectric sensors is also applicable to doctor devices. These also include a blade, however, for equalizing a medium on a movable surface, a holding device for the blade, means for generating a pressure for the purpose of positioning the blade relative to the movable surface and means for at least indirectly detecting a contact force and / or the contact pressure over at least a portion of the extension of the blade at least indirectly descriptive size.
  • the device for at least indirectly detecting a size which at least indirectly characterizes the contact force and / or the contact pressure comprises at least one piezoelectric sensor, preferably a plurality of piezoelectric sensors arranged over the extension of the blade in the length direction. Regarding the arrangement of these over the length, with respect to the blade end and the Surfaces and the coupling with data processing equipment, the same statements apply, as already performed for the scraper device.
  • FIGS. 1a and 1b illustrate in schematic highly simplified representation of the basic structure of an inventively designed scraper device 1 in two views.
  • the FIG. 1a clarifies a view from the right, the Figure 1 b a view A according to FIG. 1a ,
  • a coordinate system is applied to the scraper device 1. When used in machines for producing material webs, this corresponds to the coordinate system usually applied to them.
  • the X direction describes the machine direction, ie the direction of passage of the material web, the Y direction the width direction and the Z direction the height direction.
  • the scraper device 1 comprises at least one scraper blade 2, which is mounted in a blade holder 3 on a carrying device 4.
  • the doctor blade 2 is flying, i. mounted on one side in the region of an end region 7 in the blade holder 3.
  • the remaining part of the doctor blade 2 extends cantilevered away from the blade holder 3.
  • the blade holder 3 is preferably designed in several parts.
  • the doctor blade 2 is assigned at least one device 5 for generating a contact pressure for pressing against a movable surface 6, in particular in the form of a rotatable curved surface.
  • the rotatable surface is usually formed when used in machines for producing webs of material, in particular fibrous webs in the form of paper, board or tissue webs of the lateral surface of a cylindrical body in the form of a roll or a cylinder.
  • the scraper blade 2 is used to clean the movable surface 6 and, in particular in the case of a material web break, avoiding wrapping the roller forming the movable surface with the material web.
  • the doctor blade 2 acts with its freely projecting end portion 13 at least indirectly tribologically together with the movable surface 6.
  • the doctor blade 2 is set against the direction of movement of the rotatable surface 6.
  • the adjustment of the scraper blade 2 is denoted by 12.
  • the scraper device 1 further comprises at least one device 8 for at least indirect detection of a pressing force and / or the contact pressure of the scraper blade 2 to the movable surface 6 at least indirectly characterizing size.
  • At least indirectly includes both a direct detection of the pressure as well as the detection of with the contact pressure on functional relationships or in relation to each other standing sizes.
  • the device 8 comprises at least one, preferably a plurality, of piezoelectric sensors 9 arranged on or in the scraper blade 2.
  • the extent of the scraper blade 2 in the width direction or Y direction of the movable surface 6 is considered over the extent of the scraper blade 2 the scraper blade 2 corresponds, preferably at least two, most preferably a plurality of such piezoelectric sensors 9.1 to 9.n provided, which may be arranged spaced from each other depending on the design in different ways.
  • Such piezoelectric sensors 9.1 to 9.n generate a current under elastic stresses by forming electrical charges. This can be recorded and used to determine the contact pressure or the contact pressure.
  • a major advantage of the piezoelectric sensors 9.1 to 9.n is that they do not require an energy source.
  • FIG. 1 b illustrated embodiment is a view A of a doctor blade 2 from above according to FIG. 1a reproduced, in which case the representation of the blade holder 3 has been omitted in detail. It can be seen that the doctor blade 2 has piezoelectric sensors 9.1 to 9.n. The arrangement takes place in the case shown on a blade back or top 10 of the doctor blade, that is, the surface facing away from the moving surface 6 of the doctor blade 2. This is a the Anstell Scheme 12 forming blade front or -unterseite 11 opposite.
  • the arrangement seen on the blade top 10 in use position offers the advantage that the individual piezoelectric sensors 9.1 to 9.n possible direct Effective range of the doctor blade 2 on the movable surface 6, which corresponds to the Anstell- or contact area 12 of the doctor blade 2, can be arranged. As a result, the deformations of the doctor blade 2 can be determined as optimally as possible in the actual deformation range or effective range and the contact pressure in this area can be detected very accurately.
  • the arrangement on the blade bottom 11, which is directed to the movable surface 6 in use position, is also possible, but here a displacement out of the effective area or an arrangement in recesses on the blade front side 11 would be necessary to avoid disturbing effects. Also, a two-sided arrangement of sensors 9.1 to 9.n is possible if the installation situation or the operating parameters require or appear to be advantageous.
  • the arrangement can also be carried out between blade holder 3 and the blade end region 13, so that the contact pressure can be determined via the voltages propagating in the doctor blade 2 in the region of the blade holder 3 or between the latter and the blade end region 13.
  • FIG. 1b illustrates an embodiment of a substantially across the width b 6 of the movable surface 6 extending doctor blade 2.
  • the extension corresponds to the length I of the doctor blade.
  • the arrangement of the piezoelectric sensors 9.1 to 9.n is characterized in that they are viewed at a uniform distance a from each other in the width direction of the movable surface 6, or in the length direction of the doctor blade 2 are arranged.
  • the arrangement is further carried out on the blade bottom 10 of the doctor blade 2 on a theoretical axis, which is arranged parallel to the bearing axis of the movable surface 6, in particular of the rotating roller or the cylinder.
  • This arrangement also corresponds to the arrangement at the same distance from the blade holder 3 or in each case the same distance c viewed from the blade end 13 from.
  • FIG. 1b clarifies a fundamental possibility.
  • Advantageous developments are in the FIGS. 2 to 6 played.
  • the doctor blade is divided into individual scraper blade parts 2.1 to 2.n.
  • the scraper device 1 is set over the width b 6 of the movable surface of the individual scraper blade parts 2.1 to 2.n, here 2.1 to 2.3 together.
  • Each of these individual scraper blade parts 2.1 to 2.3 is fixed in the blade holder 3 to the support means 4.
  • a scraper blade part 2.1 to 2.3 can each be assigned a separate device 5.1 to 5.3 for contact pressure, or a device 5 is assigned to all scraper blade parts 2.1 to 2.n together.
  • This embodiment is exemplary in the FIG. 2 clarified.
  • the individual scraper blade parts 2.1 to 2.3 can according to the embodiment in FIG. 2 preferably be executed identically. These are characterized by the same length I 2 .
  • the arrangement preferably takes place next to one another or adjacent to one another via the extent of the doctor blade 2 in the width direction of the movable surface 6.
  • the device 8 for at least indirectly detecting a size which at least indirectly characterizes the contact force and / or the contact pressure here comprises a plurality of partial devices 8.1 to 8.3, which are respectively arranged on the individual doctor blade parts 2.1 to 2.3.
  • the individual scraper blade parts 2.1 to 2.3 each have at least one or a plurality of piezoelectric sensors 9.11 to 9.nn, here 9.11 to 9.1 n, 9.21 to 9.2n and 9.31 to 9.3n.
  • measuring beam 14 here 14.1 to 14.3 can be formed, so that the measuring locations over the width of the movable surface 6 can be arranged arbitrarily distributed.
  • the individual measuring bars 14.1 to 14.3 can be provided as prefabricated standard modules for doctor blades 2, which are then used in the formation of a doctor blade 2 and thus can be used for different widths of the movable surface 6 by the measuring bars 14.1 to 14.n in desired and optimal way combined with each other or with piezoelectric sensors free blade parts.
  • the FIG. 2 illustrates an embodiment with preferably uniformly executed and evenly distributed over the width of the movable surface 6 arranged measuring beam 14.1 to 14.n.
  • FIG. 3a an embodiment of a doctor blade 2 with different sized measuring beam 14.1 to 14.5 to replicate the required length of the doctor blade 2.
  • the individual lengths of the scraper blade parts 2.1 to 2.5 are designated here by I 2.1 to I 2.5 .
  • the individual measuring bars 14.1 to 14.n are characterized here by way of example in each case by a different number of piezoelectric sensors 9.11, 9.21 to 9.22, 9.31 to 9.3n, 9.41 to 9.42 and 9.5. Furthermore, different roller widths can be measured with this design. In the case shown, furthermore, the individual sensors of a measuring beam 14.2, 14.3 and 14.4 are each arranged at a constant distance a from each other.
  • the individual adjacently arranged sensors 9.1 to 9.n free from to keep the deformation in the adjacent areas, as in FIG. 4 in a view of the scraper blade 2 on both sides next to each of the piezoelectric sensors 9.1 to 9.n incisions, especially in the form of open-edged recesses 15.11 to 15.nn incorporated in the blade material, so that the single piezoelectric sensor 9.1 to 9.n only at his Carrier area 16.1 to 16.n measures existing load.
  • the notches or recesses 15.11 to 15.nn which are denoted here for example for the piezoelectric sensor 9.1 with 15.11, 15.12, for the sensor 9.2 with 15.21, 15.22 and for the illustrated sensor 9.3 with 15.31 and 15.32, serve the mechanical, on the Deformation related decoupling of the individual piezoelectric sensors 9.1 to 9.3 of the respective adjacent Schaberklingen Suiteen.
  • the areas between the individual piezoelectric sensors 9.1 to 9.3 are each free of such sensors and here designated 17.1 and 17.2, wherein the deformation in the areas 17.1 and 17.2 due to this decoupling, in particular the mechanical decoupling of the carrier areas 16.1 to 16.3 of the adjacent , areas free of piezoelectric sensors do not affect the measurement.
  • FIG. 5 illustrates for illustrative purposes, a further embodiment with a measuring beam 14.1 with different distances a 1 , a 2 , a 3 each other in the length direction of the doctor blade 2 viewed arranged piezoelectric sensors 9.1 to 9.n.
  • the individual piezoelectric sensors 9.1 to 9.n are further arranged at different distances from the blade end 13. This distance is denoted here by c 1 and c 2 .
  • Reading out the data and further processing can be done in different ways.
  • an electrical coupling 18 is provided. This is usually done via line connections by the data from the individual sensor 9.1 to 9.n are passed to a corresponding readout unit 19 and / or data acquisition and / or evaluation device 20, which performs the function of Data processing takes over.
  • the data acquisition and / or evaluation device 20 can be formed by a control and / or regulating device 21, an evaluation device 22, for example in the form of a personal computer.
  • the FIG. 6b contrast illustrates an embodiment with wireless data transmission.
  • the individual piezoelectric sensors 9.1 to 9.1n or 9.21 to 9.2n of a measuring beam 14.1, 14.2 assigned at least one transmitting device 23.1, 23.2, via which the data from the piezoelectric sensors 9.1 to 9.n a measuring beam 14.1, 14.2 to a Receiving device 24 directed or sent.
  • the receiving device 24 may be designed in many forms. This may be a separate receiving device, a receiving device 24 that can be coupled to an evaluation device, a control and / or regulating device, a PC, or a receiving device that can be integrated into it, for example an integrated interface 25.
  • each of the individual piezoelectric sensors 9.1 to 9.n is assigned its own transmitting device. This allows a precise assignment of the data specifically related to the specific arrangement and location of a single piezoelectric sensor and acting in this area contact pressure and / or contact pressure.
  • the piezoelectric sensors 9.1 to 9.n are in each case designed as essentially round structures, the dimensions of which are dimensioned substantially equal in two mutually perpendicular directions lying in one plane (XY plane).
  • the sensors 9.1 to 9.n it is expressly possible to form the sensors 9.1 to 9.n as elongated shapes, which thus differ in their two mutually perpendicular extension directions are dimensioned.
  • Such trained sensors 9.1 to 9.n may be present as oblong rounded or oval shapes as well as elongated rectangular or polygonal shapes.
  • the sensors 9.1 to 9.n are elongated, they can assume different or the same orientations relative to each other and relative to the direction of extent of the doctor blade 2. Since a maximum signal can be obtained if the extension direction of the sensors 9.1 to 9.n is substantially parallel to the X direction or machine direction or perpendicular to the extension direction of the doctor blade 2, an arrangement of the sensors 9.1 to 9.n below is recommended a non-zero angle ⁇ between the longitudinal extent of the sensors 9.1 to 9.n and the longitudinal extension of the doctor blade 2.
  • the angle ⁇ should be as large as possible, preferably more than 45 °, be approximately 90 ° in the best case, when the sensors 9.1 to 9.n or coupling lines or other technical restrictions eg in terms of space allow this.
  • the sensors 9.1 to 9.n are preferably arranged parallel to one another, since the signal output by a sensor 9 varies due to its orientation when the shaping is not round. A parallel arrangement is thus to be preferred, since each sensor 9.1 to 9.n then provides a comparable signal; However, it is also possible to arrange the sensors 9.1 to 9.n different and to adjust the different signals by a suitable calibration or software in the evaluation device 22.
  • the embodiments described above which comprise regions 17, scraper blade parts 2.1 to 2.n or recesses 15 and have different spacings of the sensors 9.1 to 9.n with each other and relative to the blade extension, etc., of the shape of the sensors 9.1 to 9 remain. n untouched.
  • the individual features of the embodiments can be combined as desired in accordance with the requirements of the measurement.
  • the individual measuring bars When arranged in a scraper device 1, the individual measuring bars can be arranged at a distance from one another.
  • a blade integrally formed over the length is employed. This corresponds to the embodiment according to FIG. 1b .
  • the arrangement of the piezoelectric sensors 9.1 to 9.n is preferably carried out at a constant distance from one another. However, variable distances are also conceivable in the length direction of the blade.
  • doctor blades and doctor devices described Since the environment in which the doctor blades and doctor devices described are used are subject to high mechanical and chemical stress, in particular the cable connections leading to the data acquisition and evaluation device 20 and to the open-loop and closed-loop control device 21 as well as the areas of the doctor blades provided with sensors can be used. or doctor blade to be fully or partially protected by a suitable cover or housing.

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EP09154835A 2008-04-18 2009-03-11 Dispositif de racloir et dispositif de raclage Withdrawn EP2113608A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810001265 DE102008001265A1 (de) 2008-04-18 2008-04-18 Schabervorrichtung und Rakelvorrichtung

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EP2113608A2 true EP2113608A2 (fr) 2009-11-04
EP2113608A3 EP2113608A3 (fr) 2009-12-09

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WO2010116027A1 (fr) * 2009-04-09 2010-10-14 Procemex Oy Structure de poutre
WO2012013857A1 (fr) * 2010-07-26 2012-02-02 Metso Paper, Inc. Agencement, appareil et procédé pour déterminer une pression de lame
WO2012130910A1 (fr) * 2011-03-29 2012-10-04 Pacon Ltd. & Co. Kg Régulation de zone de pression pour racloir
CN103194927A (zh) * 2012-01-06 2013-07-10 金红叶纸业集团有限公司 造纸设备及造纸方法
CN104551875A (zh) * 2013-10-25 2015-04-29 金红叶纸业集团有限公司 造纸设备及其刮刀装置
CN107012735A (zh) * 2017-06-08 2017-08-04 南通四通林业机械制造安装有限公司 一种能实现导向的自动刮边机构

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DE102011051929B3 (de) * 2011-07-19 2012-10-18 Gerhard Hertel Vorrichtung für einen Schaber und Schaberanordnung mit einer solchen Vorrichtung
DE102015212009A1 (de) * 2015-06-29 2016-12-29 Voith Patent Gmbh Kalandervorrichtung, Verwendung einer Kalandervorrichtung sowie Verfahren zur Unterdrückung von Walzenverschleiß
DE102017119526B4 (de) 2017-08-25 2021-02-25 Joh. Clouth GmbH & Co KG Vorrichtung zum Halten von Schaberklingen
DE102019117901A1 (de) * 2019-07-03 2021-01-07 Voith Patent Gmbh Schabvorrichtung und Verfahren zur Ermittlung des Anpressdrucks eines Schabers

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EP1584745B1 (fr) 2004-04-08 2006-12-20 Joh. Clouth GmbH & Co. KG Dispositif de calibrage
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EP1244850B1 (fr) 1999-09-14 2007-05-09 Metso Paper, Inc. Unite de racloir dans une machine a papier
EP1259377B1 (fr) 2001-01-18 2004-03-17 Alfred Simonetti Dispositif de raclage pour le nettoyage d'un cylindre rotatif
EP1584745B1 (fr) 2004-04-08 2006-12-20 Joh. Clouth GmbH & Co. KG Dispositif de calibrage

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010116027A1 (fr) * 2009-04-09 2010-10-14 Procemex Oy Structure de poutre
WO2012013857A1 (fr) * 2010-07-26 2012-02-02 Metso Paper, Inc. Agencement, appareil et procédé pour déterminer une pression de lame
WO2012130910A1 (fr) * 2011-03-29 2012-10-04 Pacon Ltd. & Co. Kg Régulation de zone de pression pour racloir
CN103194927A (zh) * 2012-01-06 2013-07-10 金红叶纸业集团有限公司 造纸设备及造纸方法
CN103194927B (zh) * 2012-01-06 2015-05-06 金红叶纸业集团有限公司 造纸设备及造纸方法
CN104551875A (zh) * 2013-10-25 2015-04-29 金红叶纸业集团有限公司 造纸设备及其刮刀装置
CN104551875B (zh) * 2013-10-25 2018-11-23 金红叶纸业集团有限公司 造纸设备及其刮刀装置
CN107012735A (zh) * 2017-06-08 2017-08-04 南通四通林业机械制造安装有限公司 一种能实现导向的自动刮边机构

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