EP3619333B1 - Vorrichtung zum behandeln eines metallbandes - Google Patents

Vorrichtung zum behandeln eines metallbandes Download PDF

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Publication number
EP3619333B1
EP3619333B1 EP18728792.5A EP18728792A EP3619333B1 EP 3619333 B1 EP3619333 B1 EP 3619333B1 EP 18728792 A EP18728792 A EP 18728792A EP 3619333 B1 EP3619333 B1 EP 3619333B1
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EP
European Patent Office
Prior art keywords
metal strip
blow
magnets
stabilization
traverse
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
EP18728792.5A
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German (de)
English (en)
French (fr)
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EP3619333A1 (de
Inventor
Pascal Fontaine
Dominique Fontaine
Thomas Daube
Michael Zielenbach
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Fontaine Engineering und Maschinen GmbH
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Fontaine Engineering und Maschinen GmbH
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Priority to PL18728792T priority Critical patent/PL3619333T3/pl
Priority to SI201830276T priority patent/SI3619333T1/sl
Publication of EP3619333A1 publication Critical patent/EP3619333A1/de
Application granted granted Critical
Publication of EP3619333B1 publication Critical patent/EP3619333B1/de
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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
    • C23C2/003—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
    • C23C2/04—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
    • 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
    • C23C2/14—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
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets

Definitions

  • the invention relates to a device for treating a metal strip after it has been removed from a coating container with liquid coating material, e.g. B. zinc, leaked.
  • liquid coating material e.g. B. zinc
  • Such devices are basically known in the prior art, such. B. from the international patent application WO 2012/172648 A1 and the German patent applications DE 10 2009 051 932 A1 , DE 10 2007 045 202 A1 and DE 10 2008 039 244 A1 as well as from the conference contribution " Electromagnetic strip Stabilizer for Hot Dip Galvanizing Lines ", Peter Lofgren et al., held / disclosed at the 97th encounter of the Galvanizers Association, Lexington, KY, October 16-19, 2005 . Specifically, these publications 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.
  • the metal strip After leaving the coating container, the metal strip passes through a blow-off device or nozzle arranged above the coating container for blowing off excess parts of the still liquid coating material that adheres to the surface of the metal strip.
  • a blow-off device or nozzle arranged above the coating container for blowing off excess parts of the still liquid coating material that adheres to the surface of the metal strip.
  • an electromagnetic stabilization device supported by the blow-off device also called Dynamic Electro Magnetic Coating Optimizer DEMCO, is arranged to stabilize the strip after it has left the coating tank and the blow-off device.
  • the electromagnetic stabilization device generates electromagnetic forces with the aid of which the metal strip is held in the middle in a central plane of the entire device; swinging of the metal strip while passing through, in particular, the blow-off device is at least reduced in this way.
  • the electromagnetic stabilization device is arranged quite far above the blow-off device.
  • This is disadvantageous in that the stabilizing effect exerted by the stabilizing device on the metal strip only reaches the blow-off device to a limited extent.
  • the forces to be generated by the stabilization device which are necessary in order to stabilize the metal strip in the area of the remote blow-off device, are relatively large in the prior art. Accordingly, the energy expenditure for operating the stabilization device is also relatively high.
  • the stabilization device is arranged above the nozzle carrier or the cross member, because this makes access to the metal strip in the region of the nozzle carrier significantly more difficult.
  • German property rights provides a remedy here DE 10 2015 216 721 B3 and DE 20 2015 104 823 U1 which provide for the electromagnetic stabilization device to be arranged between the traverse and the blow-off device and thus even closer to the blow-off device.
  • the invention is based on the object of developing a known device for treating a metal strip in such a way that the efficiency of the machine is increased even further.
  • pot magnets In contrast to the usual magnets with a horseshoe-shaped iron core, pot magnets have the advantage that they are much more compact. I.e. Their external dimensions are significantly smaller compared to other magnets with an iron core when designed to generate an equally large magnetic force. This in turn offers the advantage that the vertical distance between the stabilization device and the blow-off device can be reduced even further, and thus the efficiency of the machine can be increased even further. Nevertheless, the magnetic coils have little or no influence on the wiping behavior or the air flow of the blow-off device.
  • a horizontal cross member also called a nozzle carrier, is mounted between two vertical uprights.
  • the blow-off device is attached to the traverse, preferably hanging from the traverse below it.
  • the stabilizing device is also preferably suspended from the crossbeam below the latter, but between the crossbeam and the blow-off device. The mounting of the stabilization device on the traverse is independent of the attachment of the blow-off device to the traverse.
  • the arrangement of both the stabilization device and the blow-off device below the crossbeam offers the advantage that the area above the crossbeam and thus also a slot spanned by the crossbeam for the passage of the metal strip are very easily accessible to an operator.
  • the inventive use of the pot magnets enables the stabilization device to be arranged closer to the blow-off device at a distance of 100-800 mm, preferably in a distance range of 100-550 mm or more preferably in a distance range of 100-450 mm. Because of the small distance, less has to be from the stabilization device Force can be generated to stabilize the metal strip in the area of the blow-off device or nozzle. This also reduces the energy requirement of the stabilization device and makes the device more efficient overall.
  • each of the magnets is preferably assigned its own distance sensor for the preferably continuous detection of the distance of the respective magnet from the metal strip.
  • This distance sensor is advantageously arranged in the middle of the coreless hollow pot spool. This offers the advantage that the distance sensors do not take up any additional space next to the magnets within the electromagnetic stabilization device, as a result of which the entire stabilization device can in turn be made much more compact.
  • the distance sensor in the eye of the pot spool is thermally and mechanically protected. The thermal protection exists because the distance sensor there is not exposed to direct thermal radiation from the zinc pot.
  • the distance sensor can be designed as an eddy current sensor or as an optical sensor.
  • the device further comprises a regulating device for regulating the position of the metal strip in the slot of the electromagnetic stabilization device to a predetermined target center position, also called a pass line.
  • the regulation takes place in accordance with the distances between the magnets and the metal strip determined by the distance sensors by suitable variation of the current through the coils of the magnets.
  • the distance sensors in conjunction with the control device help to ensure that the metal strip can be held in the desired central position in the slot of the electromagnetic stabilization device, which in turn advantageously contributes to a more uniform coating thickness on the metal strip.
  • the individual attachment of the blow-off device and the stabilization device to the cross-beam is carried out using independent displacement devices.
  • the blow-off device is attached to the traverse via a blow-off displacement device, but can be displaced relative to the traverse.
  • the stabilization device is attached to the crossbeam via a stabilization displacement device, but can be displaced relative to the crossbeam.
  • a displacement device is preferably assigned to each of the magnets of the electromagnetic stabilization device. This makes it possible for each individual magnet to be fastened to the crossbeam and mounted so as to be displaceable relative to the crossbeam.
  • the displacement devices allow different degrees of freedom for the movement of the blow-off device and the stabilization device with respect to the central plane of the device and also with respect to the metal strip.
  • the displacements enable in particular a displacement of the blow-off device and the stabilization device relative to one another.
  • the displacement devices enable, in particular, a displacement of the blow-off device, the stabilization device as a whole, or optionally also the individual magnets of the stabilization device relative to one another.
  • the displacement devices enable the individual magnets to be displaced individually relative to one another in the width direction of the metal strip, ie. H. in the longitudinal direction of the traverse.
  • the crossbeam, together with the blow-off and stabilization devices attached to it is vertically displaceable on the vertical stands.
  • the vertical uprights can be displaced parallel to one another in the horizontal plane together with the traverse. Because the traverse on one of the vertical uprights is pivotable about a fixed pivot point (fixed side) in the horizontal plane and the traverse is loosely mounted on the other vertical upright (loose side), the traverse is also pivotable possible in the horizontal plane.
  • the magnets of the stabilization device are arranged on both sides of the metal band.
  • the tensile forces then exerted by the magnets on the tape can be individually adjusted so that they partially compensate for one another or keep the tape in the middle position.
  • the possibility of displacing the individual magnets, in particular also parallel to the plane of the metal strip, which is given by the stabilization displacement device according to the invention, offers the possibility that unevenness in the metal strip can also be compensated for.
  • a separate control device is provided for this purpose, which moves the magnets parallel to the plane of the metal strip but possibly also offset from one another on both sides of the metal strip so that the tensile forces generated by the offset magnets generate bending moments in the metal strip, which are designed so that wave troughs and Wave crests in the metal strip are compensated as possible. This makes the metal strip flat.
  • the blow-off device has an air gap on both sides of the metal strip.
  • the device according to the invention is characterized by a collision protection device for withdrawing the electromagnetic stabilization device, in particular the individual magnets, preferably together with their housings, and preferably also for withdrawing the blow-off device in the event of a malfunction.
  • the stabilization device and / or the blow-off device are then withdrawn away from the metal strip, in particular in a direction transverse to the plane of the metal strip, so that the metal strip does not collide with the magnets or sensors as far as possible.
  • a fault is, for example, a tape break or the recognition that the wrong tape is being coated.
  • Figure 1 shows the device 100 according to the invention. It comprises two laterally arranged, vertically extending uprights 150 on which a traverse 130, also called a nozzle carrier, is mounted so that it can move vertically, see the double arrows in FIG Figure 1 .
  • the device 100 is also pivotable in the horizontal plane.
  • one of the two uprights 150 is designed as a fixed side A, on which the traverse is mounted pivotably about a vertical axis of rotation.
  • the opposite stand is designed as a loose side B and only supports the cross member vertically.
  • the device 100 and in particular the traverse 130 can be aligned symmetrically to this with the aid of a stand displacement device 158 when the metal strip 200 is inclined by pivoting it horizontally.
  • the broad sides of the traverse should always be aligned parallel to the metal strip and both should have the same distance from it.
  • a blow-off device 110 or nozzle hangs on the cross member 130.
  • the coupling of the blow-off device 110 to the traverse 130 is not rigid, but rather via a blow-off displacement device 115 which is designed to move the blow-off device 110 relative to the traverse 130 in the horizontal plane, i.e. H. in particular to shift perpendicular to the central plane 160 of the device.
  • the blow-off displacement device 115 is designed to pivot the blow-off device 110 about its own longitudinal axis L and thus suitably position it against the metal strip 200.
  • a stabilization device 140 also called Dynamic Electro Magnetic Coating Optimizer DEMCO, is attached to the cross member between the cross member 130 and the blow-off device 110.
  • the stabilizer 140 includes a plurality of individual magnets 144 on each side of the metal strip. All of these magnets are preferably designed as pot magnets. Preferably, each of these magnets is individually attached to the traverse via a stabilization displacement device 145.
  • These stabilization displacement devices 145 enable an individual, translational displacement of each individual magnet in the horizontal plane relative to the cross member, ie perpendicular and parallel to the center plane 160 of the device 100, especially in the longitudinal direction of the traverse.
  • the stabilization displacement device 145 can also be designed to pivot the stabilization device 140 in the horizontal plane relative to the cross member 130 and relative to the blow-off device 110 about a vertical axis of rotation.
  • pot magnets are not limited to the arrangement between the crossbeam and the blow-off device. Rather, the pot magnets can also be arranged above the cross member.
  • FIG. 2 shows the device according to the invention Figure 1 in a cross-sectional view.
  • the reference numeral 170 denotes a control device for controlling the stabilization displacement devices 145.
  • a coating container 300 can be seen which is basically arranged below the device 100.
  • the metal strip 200 to be coated is guided in the transport direction R into the coating container 300 with the liquid coating material 310 and deflected there vertically with the aid of a deflection roller 320. It then first passes through the blow-off device 110 and then the stabilization device 140 from bottom to top.
  • the present invention provides that the distance d between the line of action of the maximum force F of the stabilization device on the metal strip 200 and the air outlet gap 112 in one Range from 100 to 800 mm, preferably in a range from 100 to 550 mm or more preferably in a range from 100-450 mm.
  • the blow-off device 110 spans a slot 122 through which the metal strip 200 is guided. Excess coating material is blown off the surface of the metal strip 200 with the aid of the blow-off device.
  • Figure 4 shows a third possible undesired actual position, in which the metal strip 200 is displaced parallel to the nominal central position in the X direction, ie in the width direction.
  • the electromagnetic stabilization device 140 for its part has a slot 142 through which the metal strip 200 is also guided.
  • the metal strip 200 preferably runs through the slot 142 in a predetermined desired central position 160, as in FIG Figures 3 and 4 shown. This is achieved in that the forces provided by the magnets of the electromagnetic stabilization device 140 act in a suitable manner on the metal strip 200.
  • the slot 142 and the desired central position also aimed for there, the same applies as before with reference to FIG Figures 3 and 4 for the slot 122 of the blow-off device 110.
  • a first detection device 154 is also arranged between the stabilization device 140 and the blow-off device 110 for detecting a deviation of the actual position of the metal strip 200 from a predetermined target central position in the slot 122 of the blow-off device 110.
  • the first detection device 154 can also only be used for detection the actual position of the metal strip be trained.
  • a regulating device 180 is furthermore provided for regulating the actual position of the metal strip 200 to the predetermined desired central position 128 in the slot 122 of the blow-off device, as above with reference to FIG Figures 3 and 4 explained.
  • This regulation can take place a) by moving the blow-off device 110 with the help of a blow-off displacement device 115 and / or b) by moving the cross member 130 on which the blow-off device 110 hangs with the aid of a stand displacement device 158.
  • the control takes place in response to the recorded deviation from the actual to the target position. If the determination of the deviation of the actual position from the target central 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 of the blow-off device 110 takes place in the horizontal plane transversely 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 central position in the slot 122 of the blow-off device.
  • the blow-off device 110 is displaced with the aid of the blow-off displacement device 115 in such a way that the metal strip returns the slot 122 of the blow-off device to the specified target -Middle layer 128 passes through.
  • the first detection device 154 is designed such that it preferably includes all three above with reference to the Figures 3 and 4 can detect actual positions of the metal strip 200 that differ from the nominal central position 128.
  • the control device 170 is designed to control the stabilization displacement devices 145 of the individual magnets 144 in such a way that the electromagnetic stabilization device 140 is not moved along with a displacement of the blow-off device 110 in relation to a pass line reference position, but can remain in its original location .
  • the stabilization device 140 and the blow-off device 110 are decoupled from one another. I.e. they can be moved independently of one another and relative to one another with the aid of their respective displacement devices 145, 115.
  • the pass line reference position 160 denotes a firmly defined central plane of the device.
  • the nominal central positions 128 relate to the slots 122, 142.
  • the control device 170 accordingly acts on the stabilization displacement devices 145 in such a way that, in the event of a displacement of the blow-off device 110, the electrical stabilization devices 140 preferably have exactly the opposite movement as the blow-off device 110 makes, that is, preferably remains in its original location as a result.
  • the control device 170 can evaluate different situations.
  • the control device 170 can be designed to shift the electromagnetic stabilization device 140 or the individual magnets 144 in accordance with the deviation of the actual position of the metal strip from the predetermined target central position of the metal strip in the slot 122 of the first detection device 154 Perform blow-off device 110.
  • control device 170 can be designed to move the electromagnetic stabilization device 140 or the individual magnets 144 in accordance with and in the opposite direction to the displacement of the blow-off device 120 detected by a second detection device 155.
  • the second detection device 155 serves to detect the displacement of the blow-off device 110 with respect to a fitting line reference position 160 of the device 100.
  • control device 170 can be designed to move the electromagnetic stabilization device 140 or the individual magnets 144 in accordance with a detected deviation of the actual position of the metal strip from a predefined target central position in the slot 142 of the electromagnetic stabilization device.
  • a third detection device 156 is present to detect the said deviation of the actual position of the metal strip from the specified target central position in the slot 142 of the electromagnetic stabilization device 140.
  • Each magnet 144 is preferably assigned such a third detection device 156 as a distance sensor .
  • These sensors are preferably arranged in the pot magnets. For example, they work optically or with the help of induced eddy currents.
  • the first, second and third detection devices 154, 155, 156 are each designed to preferably detect all conceivable deviations of an actual position of the metal strip from the desired central position. These include in particular a (parallel) displacement of the metal strip in the x or y direction or a rotation, as above with reference to FIG Figures 3 and 4 explained.
  • the stabilization and blow-off displacement device 145, 115 - with suitable control by the regulating device 180 or the control device 170 - are designed to move the blow-off device 110 and the electromagnetic stabilization device 140 in the horizontal plane transversely to the transport direction R of the metal strip in any way , in particular to move (parallel) or to rotate about a vertical axis of rotation in order to realize the passage of the metal strip in the desired central position.
  • the first and third detection devices 154, 156 and optionally also the second detection device 155 can be implemented in the form of one or more optical sensor devices 190.
  • the sensor device forms a structural unit for the aforementioned detection devices.
  • One sensor device 190 is preferably provided for each coil in the electromagnetic stabilization device 140. The measured values of all sensor devices are typically averaged.
  • the sensor device 190 can also generally be referred to as a distance detection device.
  • control 170 is used to regulate the actual position to the sol position or to the pass line by suitable means individual variation of the currents through the coils in the magnets 144.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Coating With Molten Metal (AREA)
  • Coating Apparatus (AREA)
EP18728792.5A 2017-05-04 2018-04-11 Vorrichtung zum behandeln eines metallbandes Active EP3619333B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL18728792T PL3619333T3 (pl) 2017-05-04 2018-04-11 Urządzenie do obróbki taśmy metalowej
SI201830276T SI3619333T1 (sl) 2017-05-04 2018-04-11 Naprava za obdelavo kovinskega traka

Applications Claiming Priority (2)

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DE102017109559.4A DE102017109559B3 (de) 2017-05-04 2017-05-04 Vorrichtung zum Behandeln eines Metallbandes
PCT/EP2018/059227 WO2018202389A1 (de) 2017-05-04 2018-04-11 Vorrichtung zum behandeln eines metallbandes

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EP3619333A1 EP3619333A1 (de) 2020-03-11
EP3619333B1 true EP3619333B1 (de) 2021-02-24

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EP (1) EP3619333B1 (pt)
JP (1) JP7109474B2 (pt)
KR (1) KR102314296B1 (pt)
CN (1) CN110785509B (pt)
CA (1) CA3062106C (pt)
DE (1) DE102017109559B3 (pt)
ES (1) ES2858325T3 (pt)
HU (1) HUE053945T2 (pt)
MX (1) MX2019012948A (pt)
PL (1) PL3619333T3 (pt)
PT (1) PT3619333T (pt)
RU (1) RU2724269C1 (pt)
SI (1) SI3619333T1 (pt)
WO (1) WO2018202389A1 (pt)
ZA (1) ZA201907021B (pt)

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EP3910089A1 (fr) * 2020-05-12 2021-11-17 Clecim Sas Installation de revêtement de produit métallique en défilement

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Publication number Publication date
ES2858325T3 (es) 2021-09-30
DE102017109559B3 (de) 2018-07-26
KR102314296B1 (ko) 2021-10-20
CN110785509A (zh) 2020-02-11
EP3619333A1 (de) 2020-03-11
HUE053945T2 (hu) 2021-08-30
PL3619333T3 (pl) 2021-07-19
CA3062106C (en) 2022-12-06
BR112019022777A2 (pt) 2020-05-19
RU2724269C1 (ru) 2020-06-22
SI3619333T1 (sl) 2021-06-30
JP2020518728A (ja) 2020-06-25
ZA201907021B (en) 2021-04-28
CA3062106A1 (en) 2019-10-31
US20210189540A1 (en) 2021-06-24
US11549168B2 (en) 2023-01-10
PT3619333T (pt) 2021-03-31
WO2018202389A1 (de) 2018-11-08
KR20200003133A (ko) 2020-01-08
MX2019012948A (es) 2019-12-16
CN110785509B (zh) 2021-11-16
JP7109474B2 (ja) 2022-07-29

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