EP3221486B1 - Procédé et dispositif pour revêtir une bande métallique d'une matière de revêtement initialement encore liquide - Google Patents

Procédé et dispositif pour revêtir une bande métallique d'une matière de revêtement initialement encore liquide Download PDF

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Publication number
EP3221486B1
EP3221486B1 EP15775410.2A EP15775410A EP3221486B1 EP 3221486 B1 EP3221486 B1 EP 3221486B1 EP 15775410 A EP15775410 A EP 15775410A EP 3221486 B1 EP3221486 B1 EP 3221486B1
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EP
European Patent Office
Prior art keywords
metal strip
blow
displacement
slot
electromagnetic
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EP15775410.2A
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German (de)
English (en)
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EP3221486A1 (fr
Inventor
Dominique Fontaine
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Fontaine Engineering und Maschinen GmbH
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Fontaine Engineering und Maschinen GmbH
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Priority to SI201530296T priority Critical patent/SI3221486T1/en
Priority to PL15775410T priority patent/PL3221486T3/pl
Publication of EP3221486A1 publication Critical patent/EP3221486A1/fr
Application granted granted Critical
Publication of EP3221486B1 publication Critical patent/EP3221486B1/fr
Priority to HRP20181054TT priority patent/HRP20181054T1/hr
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C23C2/20—Strips; Plates
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • C23C2/00344—Means for moving substrates, e.g. immersed rollers or immersed bearings
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0035—Means for continuously moving substrate through, into or out of the bath
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/24—Removing excess of molten coatings; Controlling or regulating the coating thickness using magnetic or electric fields
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/50—Controlling or regulating the coating processes
    • C23C2/51—Computer-controlled implementation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/50—Controlling or regulating the coating processes
    • C23C2/52—Controlling or regulating the coating processes with means for measuring or sensing
    • C23C2/524—Position of the substrate
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/50—Controlling or regulating the coating processes
    • C23C2/52—Controlling or regulating the coating processes with means for measuring or sensing
    • C23C2/524—Position of the substrate
    • C23C2/5245—Position of the substrate for reducing vibrations of the substrate
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/50—Controlling or regulating the coating processes
    • C23C2/52—Controlling or regulating the coating processes with means for measuring or sensing
    • C23C2/526—Controlling or regulating the coating processes with means for measuring or sensing for visually inspecting the surface quality of the substrate

Definitions

  • the invention relates to a method and apparatus for coating a metal strip with an initially liquid coating material, for. As zinc.
  • the method and the device are used in particular for hot-dip galvanizing the metal strip.
  • Such devices for coating a metal strip are basically known in the art, such. B. from the DE 10 2009 051 932 A1 , of the WO 2009/024353 A2 and the WO 2006/006911 A1 , Specifically, these documents disclose a coating container which is filled with liquid coating material. For coating, the metal strip is passed through the container with the coating material. After leaving the coating container, the metal strip passes through a blow-off device arranged above the coating container for blowing off excess parts of the still liquid coating material from the surface of the metal strip. Above the blow-off device, an electromagnetic stabilization device supported by the blow-off device is arranged to stabilize the metal strip after leaving the coating container and the blow-off device.
  • the electromagnetic stabilizing device causes the band to be held centrally in a center plane of the entire apparatus and to prevent or at least reduce vibrations of the metal band during passage through the coating container and the blower.
  • the electromagnetic stabilization device is movable only vertically with respect to the blow-off device.
  • Both devices are - synchronized due to a mechanical coupling - in relation to the metal strip movable.
  • Both the blow-off device and the electromagnetic stabilization device each have a slot through which the metal strip is guided.
  • the metal strip runs in a predetermined desired center position through the slot of the blower. Only then is it ensured that the effect of the blow-off nozzles on the top and bottom of the metal strip is the same and that a desired uniform thickness distribution of the coating material is established on the metal strip.
  • the desired center position is defined in particular by a preferably uniform spacing of the broad sides and the narrow sides of the metal strip to the opposite sides of the slot of the blow-off device and in particular in that the metal strip is not inclined or rotated relative to the longitudinal orientation of the slot.
  • the metal strip Due to interference, however, it may happen that the metal strip is removed from the predetermined desired center position and thus deviates from its actual position of the desired center position. Traditionally, therefore, a possible deviation of the actual position of the metal strip from the said desired center position by an operator, or, as in the JP 2003-113460 described, monitored by a sensor. Possibly. Then, the blower is displaced in a plane perpendicular to the transport direction of the metal strip such that the metal strip is again guided in the predetermined desired center position in the slot of the blower.
  • the present invention seeks to develop a known method and a known device for coating a metal strip to the effect that an undesirable displacement of the electromagnetic stabilization device in the event of a displacement of the blower is prevented.
  • the electromagnetic stabilizer is also referred to by the applicant as Dynamic Electro Magnetic Coating Optimizer DEMCO.
  • the metal strip in the slot of the electromagnetic stabilizing device can preferably be held in a desired center position, even if the blower moves in a plane transverse to the transport direction of the metal strip.
  • the electromagnetic stabilizing device is moved relative to the blow-off device in exactly the opposite direction as the blow-off device (compensation).
  • the proper function of the electromagnetic stabilization device is ensured by this method step, even if the blower must be moved to restore the leadership of the metal strip in the desired center position through the slot of the blower.
  • a deviation of the actual position of the metal strip is detected by a predetermined desired center position in the slot of the blower and controlled the actual position of the metal strip to the predetermined desired center position by suitable displacement of the blower in a plane transverse to the transport direction of the metal strip.
  • the detection of the displacement of the blower with respect to a pass line reference position is defined by the constructive center of the plant, as defined in particular by the fixed position of a first deflection roller for the metal strip within the coating container and the fixed position of a second deflection roller above the stabilization device.
  • the detected deviation of the actual position of the metal strip from its desired center position in the slot of the electromagnetic stabilizing device or the blow-off device may be either a translatory displacement act parallel to a longitudinal direction defined by the desired center position or to a rotation relative to the predetermined desired center position.
  • the detected deviation of the actual position of the metal strip is a translational displacement in the width direction x (opposite) of the predetermined nominal center position of the metal strip in the slot of the electromagnetic stabilization device or blow-off device.
  • a deviation of the actual position from the desired center position of the metal strip or a corresponding displacement of the electromagnetic stabilization device is also referred to by the applicant as a scan function.
  • the device has a human machine interface (HMI) for an operator of the device for visualizing, for example, the detected deviation of the actual position of the metal strip from the desired center position in the slot of the blower or in the slot of the electromagnetic stabilization device or for visualizing the detected deviation of the blower from the pass-line reference position or for visualizing the time variation of said deviations.
  • HMI human machine interface
  • FIG. 1 shows the inventive device 100 for coating a metal strip 200 with a liquid coating material 300, z.
  • a liquid coating material 300 As zinc.
  • the first uncoated metal strip 200 is passed in the transport direction R in a coating container 110, which is filled with the liquid coating material.
  • the metal strip 200 Within the coating container 110, the metal strip 200 is deflected by means of a deflection roller, so that it leaves the coating container upwards. After passing through the coating container, the still liquid coating material adheres to the metal strip 200.
  • a blower 120 is arranged, which spans a slot 122, through which the metal strip 200 is guided. With the help of the blower excess coating material is blown off the surface of the metal strip 200.
  • FIG. 3 shows a third possible undesirable actual position in which the metal strip 200 is moved parallel to the desired center position in the X direction, ie in the width direction.
  • the blower 120 to detect an electromagnetic stabilizer 140, which in turn has a slot 142 through which the metal strip 200 is also guided.
  • the metal strip 200 preferably passes through the slot 142 in a predetermined desired center position 128, as in FIG FIGS. 2 and 3 shown so that the forces provided by the electromagnetic stabilizer 140 forces can act in a desired manner uniformly stabilizing the metal strip 200.
  • the slot 142 and the target center position also sought there the same applies as previously with reference to the FIGS. 2 and 3
  • the electromagnetic stabilizer 140 is mechanically supported on the blower 120.
  • this support is not rigid, but rather via a first displacement device 160, which is provided between the blow-off device 120 and the electromagnetic stabilization device 140.
  • the first displacement device 160 allows a displacement of the electromagnetic stabilization device 140 relative to the blower in a plane transverse to the transport direction R of the metal strip.
  • the first displacement device 160 is controlled by means of a control device 170.
  • a first detecting means 154 is further arranged for detecting a deviation of the actual position of the metal strip 200 from a predetermined desired center position in the slot 122 of the blower 120.
  • the first detecting means 154 also for detection only the actual position of the metal strip may be formed.
  • a control device 180 is provided for regulating the actual position of the metal strip 200 to a predetermined desired center position in the slot 122 of the blower, as described above with reference to FIGS FIGS. 2 and 3 explained by relocating the blower 120 with the help a second displacement device 130. The regulation takes place in response to the detected deviation.
  • the determination of the deviation of the actual position from the desired center position does not take place in the first detection device 154, it can also take place within the control device 180, for example.
  • the displacement takes place in a plane transverse to the transport direction R of the metal strip in accordance with the detected deviation of the actual position of the metal strip from the predetermined desired center position in the slot 122 of the blower.
  • the blower 120 is displaced by means of the second displacement device 130 such that the metal strip returns the slot 122 of the blower back to the predetermined target position.
  • Center layer 128 passes through.
  • the first detector 154 is for this purpose designed to preferably all three above with reference to FIGS FIGS. 2 and 3 described deviate from the desired center position 128 actual positions of the metal strip 200 can detect.
  • the said displacement of the blow-off device 120 should not affect the electromagnetic stabilization device 140, which is supported on the blow-off device 120.
  • the control device 170 is designed to control the first displacement device 160 in such a way that the electromagnetic stabilization device 140 in the case of a displacement of the blow-off device 120 is not moved with respect to a reference line reference position but can remain in its original location.
  • the control device 170 thus acts on the first displacement device 160 in such a way that, in the event of a displacement of the blow-off device 120, the electrical stabilization device 140 preferably makes the exactly opposite movement as the blow-off device 120, that is, as a result preferably remains in its original location.
  • control device 170 can evaluate various situations.
  • the control device 170 may be designed to carry out the displacement of the electromagnetic stabilization device 140 in accordance with the deviation of the actual position of the metal strip from the predetermined nominal center position of the metal strip in the slot 122 of the blow-off device 120, as detected by the first detection device 154.
  • control device 170 may be configured to perform the displacement of the electromagnetic stabilization device in accordance with and in the opposite direction to the displacement of the blow-off device 120 detected by a second detection device 155.
  • control device 170 may be designed to cause the displacement of the electromagnetic stabilization device 140 in accordance with a detected deviation of the actual position of the metal strip from a predetermined desired center position in the slot 142 of the electromagnetic stabilization device.
  • a third detection means 145 is provided for detecting the said deviation of the actual position of the metal strip from the predetermined desired center position in the slot 142 of the electromagnetic stabilization device 140.
  • the first, second and third detection means 154, 155, 145 are designed to detect preferably all conceivable deviations of an actual position of the metal strip from the desired desired center position. These include, in particular, a (parallel) displacement of the metal strip in the x or y direction or a rotation, as described above with reference to FIGS FIGS. 2 and 3 explained.
  • the first and second displacement devices 130, 160 are - with suitable control by the control device 180 or the control device 170 - formed, the blower 120 and the electromagnetic stabilizer 140 in a plane transverse to the transport direction R to move the metal strip in any way, in particular (parallel) to move or twist to realize the passage of the metal strip in the desired center position.
  • the representation of the first and second displacement means 160, 130 as a carriage or piston-cylinder unit is insofar only exemplary, but not limiting.
  • the first and third detection means 154, 145 and optionally also the second detection means 155 may be realized in the form of a single sensor device 150, for example a confocal or laser-based sensor.
  • the sensor device also called “laser” for short, forms a structural unit for the mentioned detection devices.
  • the sensor device 150 may also be referred to generally as a distance detection device.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Coating With Molten Metal (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Electroplating Methods And Accessories (AREA)

Claims (6)

  1. Procédé destiné à revêtir une bande métallique (200)
    d'un matériau de revêtement (300) d'abord encore liquide, le procédé comprenant les étapes suivantes :
    passage de la bande métallique (200) à revêtir à travers un réservoir de revêtement (110), lequel est rempli du matériau de revêtement liquide (300),
    élimination par soufflage des parties excédentaires du matériau de revêtement (300) encore liquide de la surface de la bande métallique (200) après traversée du réservoir de revêtement à l'aide d'un dispositif de soufflage (120),
    stabilisation de la bande métallique après avoir quitté le dispositif de soufflage (120) à l'aide d'un dispositif de stabilisation électromagnétique (140) disposé en aval du dispositif de soufflage dans le sens du transport de la bande métallique, lequel s'appuie sur le dispositif de soufflage,
    déplacement du dispositif de stabilisation électromagnétique (140)par rapport au dispositif de soufflage (120) dans un plan transversalement au sens de transport de la bande métallique (200) de telle sorte que la position réelle de la bande métallique (200) coïncide au moins à peu près avec une position médiane théorique prédéfinie dans la fente (142) du dispositif de stabilisation électromagnétique (140), et
    réglage de la position réelle de la bande métallique à la position médiane théorique prédéfinie par déplacement approprié du dispositif de soufflage (120) dans un plan transversalement au sens de transport de la bande métallique,
    caractérisé en ce qu'
    un écart de la position réelle de la bande métallique (200) d'une position médiane théorique prédéfinie dans la fente du dispositif de soufflage (120) est saisi,
    en ce que le déplacement du dispositif de soufflage (120) est directement ou indirectement saisi par rapport à une position de référence de la ligne de passage, et
    en ce que le déplacement du dispositif de stabilisation électromagnétique (140)a lieu conformément et en sens opposé au déplacement saisi du dispositif de soufflage (120) de sorte que le dispositif de stabilisation électromagnétique (140)reste en conséquence à son emplacement d'origine.
  2. Procédé selon la revendication 1, caractérisé en ce que concernant l'écart saisi de la position réelle de la bande métallique (200) dans la fente (122,142) du dispositif de stabilisation électromagnétique (140) ou du dispositif de soufflage (120), il s'agit d'un déplacement translatoire parallèle à une direction longitudinale définie par la position médiane théorique et/ou d'une rotation par rapport à la position médiane théorique prédéfinie de la bande métallique dans la fente (122,142) du dispositif de stabilisation électromagnétique (140)ou du dispositif de soufflage (120).
  3. Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que concernant l'écart saisi de la position réelle de la bande métallique (200), il s'agit d'un déplacement translatoire dans le sens de la largeur (x) par rapport à la position médiane théorique prédéfinie de la bande métallique dans la fente (122,142) du dispositif de stabilisation électromagnétique (140)ou du dispositif de soufflage (120) .
  4. Dispositif (100) destiné à revêtir une bande métallique (200) d'un matériau de revêtement liquide (300), le dispositif comportant :
    un réservoir de revêtement (110), lequel peut être rempli du matériau de revêtement liquide (300), pour faire passer la bande métallique (200) à revêtir,
    un dispositif de soufflage (120) disposé au-dessus du réservoir de revêtement pour éliminer par soufflage les parties excédentaires du matériau de revêtement (300) encore liquide de la surface de la bande métallique (200) après le passage de la bande métallique à travers le réservoir de revêtement,
    un dispositif de stabilisation électromagnétique (140) disposé au-dessus du dispositif de soufflage (120) et soutenu par le dispositif de soufflage pour stabiliser la bande métallique (200) après avoir quitté le réservoir de revêtement (110) et le dispositif de soufflage (120),
    un premier dispositif de déplacement (160) pour effectuer le déplacement du dispositif de stabilisation électromagnétique (140) par rapport au dispositif de soufflage (120) dans le plan transversalement au sens de transport (R)de la bande métallique,
    un système de commande (170) pour piloter le premier dispositif de déplacement (160),
    un deuxième dispositif de déplacement (130) pour déplacer le dispositif de soufflage (120), et
    un dispositif de réglage (180) pour régler la position réelle de la bande métallique (200) à une position médiane théorique prédéfinie de la bande métallique (200) dans une fente (122) du dispositif de soufflage (120) par déplacement du dispositif de soufflage (120) à l'aide du deuxième dispositif de déplacement (130) dans un plan transversalement au sens de transport (R) de la bande métallique, caractérisé en ce qu'
    un premier dispositif de saisie (150) est prévu pour saisir un écart entre la position réelle de la bande métallique (200) et une position médiane théorique prédéfinie dans la fente (122) du dispositif de soufflage (120),
    en ce que le deuxième dispositif de déplacement (130) est constitué pour déplacer le dispositif de soufflage conformément à l'écart saisi de la position réelle de la bande métallique (200) par rapport à une position médiane théorique prédéfinie dans la fente (122) du dispositif de soufflage (120),
    en ce qu'un deuxième dispositif de saisie (155) est prévu pour saisir le déplacement du dispositif de soufflage (120) par rapport à une position de référence de la ligne de passage, et
    en ce que le système de commande (170) est constitué pour déplacer le dispositif de stabilisation électromagnétique (140) conformément et en sens opposé au déplacement du dispositif de soufflage (120) saisi par le deuxième dispositif de saisie (155) de sorte que le dispositif de stabilisation électromagnétique reste en conséquence sur son emplacement d'origine.
  5. Dispositif (100) selon la revendication 4, caractérisé en ce que le premier dispositif de déplacement (160) pour déplacer le dispositif de stabilisation électromagnétique (140) est disposé entre le dispositif de soufflage (120) et le dispositif de stabilisation électromagnétique (140).
  6. Dispositif (100) selon l'une quelconque des revendications 4 ou 5, caractérisé par
    une interface homme machine (IHM) pour un opérateur du dispositif destiné à visualiser par exemple l'écart saisi entre la position réelle de la bande métallique (200) et la position médiane théorique dans la fente (122,142) du dispositif de soufflage (120) ou du dispositif de stabilisation électromagnétique (140) ou l'écart saisi entre le dispositif de soufflage (120) et la position de référence de la ligne de passage ou pour visualiser la modification temporelle des écarts.
EP15775410.2A 2014-11-21 2015-10-02 Procédé et dispositif pour revêtir une bande métallique d'une matière de revêtement initialement encore liquide Active EP3221486B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SI201530296T SI3221486T1 (en) 2014-11-21 2015-10-02 A process and apparatus for coating a metal strip with, initially, a liquid coating material
PL15775410T PL3221486T3 (pl) 2014-11-21 2015-10-02 Sposób i urządzenie do powlekania taśmy metalowej początkowo jeszcze ciekłym materiałem powlekającym
HRP20181054TT HRP20181054T1 (hr) 2014-11-21 2018-07-05 Postupak i uređaj za oblaganje metalne trake s materijalom za oblaganje koji je na početku još tekućina

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DE102014223818.8A DE102014223818B3 (de) 2014-11-21 2014-11-21 Verfahren und Vorrichtung zum Beschichten eines Metallbandes mit einem zunächst noch flüssigen Beschichtungsmaterial
PCT/EP2015/071859 WO2016078803A1 (fr) 2014-11-21 2015-10-02 Procédé et dispositif pour revêtir une bande métallique d'une matière de revêtement initialement encore liquide

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WO2018189874A1 (fr) * 2017-04-14 2018-10-18 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 Mécanisme et procédé de commande de poids de revêtement de placage
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IT201900023484A1 (it) * 2019-12-10 2021-06-10 Danieli Off Mecc Apparato di stabilizzazione
EP3910089A1 (fr) * 2020-05-12 2021-11-17 Clecim Sas Installation de revêtement de produit métallique en défilement

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PT3221486T (pt) 2018-06-15
AU2015348884B2 (en) 2018-11-29
DK3221486T3 (en) 2018-07-23
EP3221486A1 (fr) 2017-09-27
US10907242B2 (en) 2021-02-02
HUE037947T2 (hu) 2018-09-28
RU2665660C1 (ru) 2018-09-03
CA2968156A1 (fr) 2016-05-26
ZA201702216B (en) 2018-05-30
US20170283929A1 (en) 2017-10-05
PL3221486T3 (pl) 2018-08-31
BR112017008048A2 (pt) 2017-12-19
CN107208240B (zh) 2019-07-23
BR112017008048B1 (pt) 2021-08-03
CY1120330T1 (el) 2019-07-10
MX2017006591A (es) 2017-09-01
WO2016078803A1 (fr) 2016-05-26
US20180363116A1 (en) 2018-12-20
MY191015A (en) 2022-05-28
CA2968156C (fr) 2019-02-19
SI3221486T1 (en) 2018-08-31
DE102014223818B3 (de) 2016-04-14
HRP20181054T1 (hr) 2018-08-24
LT3221486T (lt) 2018-06-25
JP6530499B2 (ja) 2019-06-12
CN107208240A (zh) 2017-09-26
ES2669726T3 (es) 2018-05-29
US12018379B2 (en) 2024-06-25
NO2786187T3 (fr) 2018-07-28
US20230399731A1 (en) 2023-12-14
TR201808955T4 (tr) 2018-07-23
JP2017535678A (ja) 2017-11-30
KR20170052677A (ko) 2017-05-12
AU2015348884A1 (en) 2017-06-01
KR101884715B1 (ko) 2018-08-03

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