EP2055809B1 - Procédé et dispositif destinés à la production d'une couche de conversion - Google Patents
Procédé et dispositif destinés à la production d'une couche de conversion Download PDFInfo
- Publication number
- EP2055809B1 EP2055809B1 EP20080105723 EP08105723A EP2055809B1 EP 2055809 B1 EP2055809 B1 EP 2055809B1 EP 20080105723 EP20080105723 EP 20080105723 EP 08105723 A EP08105723 A EP 08105723A EP 2055809 B1 EP2055809 B1 EP 2055809B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- atomiser
- conversion medium
- medium
- conversion
- 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.)
- Revoked
Links
- 238000006243 chemical reaction Methods 0.000 title claims description 118
- 238000000034 method Methods 0.000 title claims description 47
- 239000000758 substrate Substances 0.000 claims description 95
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 38
- 229910052782 aluminium Inorganic materials 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 19
- 229910000838 Al alloy Inorganic materials 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000003595 mist Substances 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 5
- 239000002800 charge carrier Substances 0.000 description 7
- 239000006199 nebulizer Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007739 conversion coating Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- IKZBVTPSNGOVRJ-UHFFFAOYSA-K chromium(iii) phosphate Chemical class [Cr+3].[O-]P([O-])([O-])=O IKZBVTPSNGOVRJ-UHFFFAOYSA-K 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical class [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/14—Plant for applying liquids or other fluent materials to objects specially adapted for coating continuously moving elongated bodies, e.g. wires, strips, pipes
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/76—Applying the liquid by spraying
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/126—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to target velocity, e.g. to relative velocity between spray apparatus and target
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
Definitions
- Conversion layers on aluminum substrates serve to give the substrate a better corrosion resistance and optionally a lower resistance to sweat transfer. Furthermore, conversion layers are suitable for increasing the adhesion of laminating substances, adhesives or paints on the aluminum substrate.
- the conversion layer is formed by a chemical reaction, in particular by chemical oxidation, between the surface of the substrate and the applied conversion medium.
- the Rollcoating Kunststoffe For applying a conversion layer generating conversion medium to the surface of a substrate, for example, the Rollcoating vide, so the application by roller application, known.
- the substrate for example an aluminum strip
- the rollers are so on one arranged the conversion medium having trough that the not in contact with the tape part of the roller in the tub, and thus in the liquid conversion medium immersed.
- the conversion medium adhering to the part of the roller is then applied to the surface of the substrate.
- Conversion layers can also be created by spraying the conversion medium onto the surface of the substrate.
- this procedure is disadvantageous that after the spraying a squeezing process is required to achieve a homogeneous distribution of the sprayed conversion medium on the surface of the substrate.
- This in turn increases the procedural and device complexity.
- the layer thickness application is significantly influenced by the reactivity of the surface of the substrate, which complicates the control of the layer thickness application during spraying and subsequent squeezing.
- the conversion medium is electrically charged.
- the electrical charge is essentially based on an accumulation of the same electrical charge carriers.
- the electrical repulsion of the accumulated charge carriers causes the liquid conversion medium to be divided into smaller liquid units, in particular droplets.
- the fineness of the mist can be reinforced, with a surface of a substrate can be sprayed mainly uniformly.
- means for moving the substrate relative to the atomizer are provided.
- the substrate can be moved so that it is provided over its entire surface with a conversion layer.
- the atomizer can be designed to be movable. The fluid lines connected to it are then accordingly directionally flexible and length-flexible form.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Chemical Treatment Of Metals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Claims (18)
- Procédé de création d'une couche de conversion sur au moins une surface d'un substrat comportant aluminium ou un alliage d'aluminium, comprenant les étapes de procédé suivantes :alimentation d'un milieu de conversion liquide d'un réservoir de milieu vers au moins un pulvérisateur, le milieu de conversion liquide étant mené du réservoir de milieu vers au moins une unité de dosage et de l'unité de dosage en quantité dosée vers le pulvérisateur et les conduits de fluides assurant la liaison étant reliés de manière conductrice d'électricité avec l'au moins un pulvérisateur,pulvérisation du milieu de conversion liquide en fines gouttelettes,application d'une tension électrique entre le pulvérisateur et l'au moins une surface du substrat au moyen d'une alimentation en tension,pulvérisation du brouillard de fines gouttelettes comportant le milieu de conversion sur l'au moins une surface du substrat, de sorte que le milieu de conversion réagisse chimiquement avec l'au moins une surface du substrat comportant de l'aluminium ou un alliage d'aluminium et qu'il soit créé ainsi une couche de conversion.
- Procédé selon la revendication 1,
caractérisé en ce que
le substrat est réalisé en tant que bande en aluminium ou en un alliage d'aluminium. - Procédé selon la revendication 1 ou la revendication 2,
caractérisé en ce qu'
on applique la tension électrique créée au moyen de l'alimentation en tension sur le pulvérisateur, sur le réservoir de milieu relié de manière conductrice d'électricité avec le pulvérisateur et/ou sur les conduits de fluides reliés de manière conductrice d'électricité avec la pulvérisateur. - Procédé selon l'une quelconque des revendications 1 à 3,
caractérisé en ce que
on met le substrat à la terre par l'intermédiaire d'un galet de roulement de bande. - Procédé selon l'une quelconque des revendications 1 à 4,
caractérisé en ce qu'
on pulvérise le brouillard de fines gouttelettes comportant le milieu de conversion bilatéralement sur le substrat. - Procédé selon l'une quelconque des revendications 1 à 5,
caractérisé en ce qu'
on surveille la quantité du milieu de conversion pulvérisée sur l'au moins une surface du substrat. - Procédé selon l'une quelconque des revendications 1 à 6,
caractérisé en ce qu'
on applique la tension électrique créée au moyen de l'alimentation en tension sur l'unité de dosage reliée de manière conductrice d'électricité avec le pulvérisateur. - Procédé selon l'une quelconque des revendications 2 à 7,
caractérisé en ce qu'
on revêt la bande en aluminium ou en un alliage d'aluminium avec du milieu de conversion immédiatement après sa fabrication. - Dispositif (1) d'application d'un milieu de conversion (2) sur au moins une surface d'un substrat comportant aluminium ou un alliage d'aluminium,
avec un réservoir de milieu (6) qui met à disposition un milieu de conversion (2) liquide,
avec au moins un pulvérisateur (8, 8') comportant un orifice de sortie,
avec des conduits de fluide (10) reliant le réservoir de milieu (6) et l'au moins un pulvérisateur (8, 8'), une unité de dosage (14, 14') étant montée en amont d'au moins un pulvérisateur (8, 8') et les conduits de fluide (10) assurant la liaison étant reliés de manière conductrice d'électricité avec l'au moins un pulvérisateur (8, 8') et
avec une alimentation en tension pour appliquer une tension électrique entre le pulvérisateur et l'au moins une surface du substrat,
l'orifice de sortie de l'au moins un pulvérisateur (8, 8') pouvant être orienté vers l'au moins une surface du substrat. - Dispositif selon la revendication 9,
caractérisé en ce que
des moyens sont prévus pour déplacer le substrat par rapport au pulvérisateur. - Dispositif selon la revendication 10,
caractérisé en ce que
les moyens pour déplacer le substrat par rapport au pulvérisateur comprennent un dispositif d'entraînement de bande. - Dispositif selon l'une quelconque des revendications 9 à 11,
caractérisé en ce que
l'unité de dosage (14, 14') est intégrée dans le pulvérisateur (8, 8'). - Dispositif selon l'une quelconque des revendications 9 à 12,
caractérisé en ce que
le réservoir de milieu (6) et/ou l'au moins une unité de dosage (14, 14') sont reliés de manière conductrice d'électricité avec l'au moins un pulvérisateur (8, 8'). - Dispositif selon l'une quelconque des revendications 9 à 13,
caractérisé en ce qu'
il est prévu un galet de roulement de bande (16) pour mettre le substrat à la terre. - Dispositif selon l'une quelconque des revendications 9 à 14,
caractérisé en ce que
pour l'application bilatérale du milieu de conversion (2), sur le substrat, deux pulvérisateurs (8, 8') sont prévus. - Dispositif selon la revendication 15,
caractérisé en ce que
pour la mise à disposition du milieu de conversion (2) lors de l'application bilatérale sur le substrat, deux réservoirs de milieu (6, 6') sont prévus. - Dispositif selon l'une quelconque des revendications 9 à 16,
caractérisé en ce que
des moyens pour la surveillance de la quantité du milieu de conversion (2) pulvérisée sur l'au moins une surface du substrat sont prévus. - Dispositif selon l'une quelconque des revendications 9 à 17,
caractérisé en ce que
l'orifice de sortie du pulvérisateur (8, 8') est conçu de telle sorte qu'au moins une dimension de l'au moins une surface du substrat puisse être recouverte avec le brouillard de fines gouttelettes (18).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200710052770 DE102007052770A1 (de) | 2007-11-02 | 2007-11-02 | Verfahren und Vorrichtung zum Erzeugen einer Konversionsschicht |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2055809A2 EP2055809A2 (fr) | 2009-05-06 |
| EP2055809A3 EP2055809A3 (fr) | 2012-01-25 |
| EP2055809B1 true EP2055809B1 (fr) | 2014-05-14 |
Family
ID=40394010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20080105723 Revoked EP2055809B1 (fr) | 2007-11-02 | 2008-11-03 | Procédé et dispositif destinés à la production d'une couche de conversion |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2055809B1 (fr) |
| DE (1) | DE102007052770A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4268970A1 (fr) * | 2022-04-29 | 2023-11-01 | Speira GmbH | Dispositif de prélaquage en continu et procédé de production d'une couche de conversion et/ou de passivation sur au moins une surface d'une bande métallique |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013139811A1 (fr) * | 2012-03-20 | 2013-09-26 | Fmp Technology Gmbh Fluid Measurements & Projects | Procédé de pulvérisation sans air, dispositif de pulvérisation sans air, système de revêtement et capuchon de buse |
| DE102013107505A1 (de) * | 2013-07-16 | 2015-01-22 | Thyssenkrupp Rasselstein Gmbh | Verfahren zum Auftragen einer wässrigen Behandlungslösung auf die Oberfläche eines bewegten Stahlbands |
| DE102016114607A1 (de) | 2016-08-05 | 2018-02-08 | Infineon Technologies Ag | Flüssigkeitsabgabesystem, -Vorrichtung und -Verfahren |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1339565A (en) | 1970-10-13 | 1973-12-05 | British Steel Corp | Method and apparatus for passivating a metallic surface |
| JPS5210834A (en) * | 1975-06-02 | 1977-01-27 | Nippon Packaging Kk | Surface treatment of metal |
-
2007
- 2007-11-02 DE DE200710052770 patent/DE102007052770A1/de not_active Ceased
-
2008
- 2008-11-03 EP EP20080105723 patent/EP2055809B1/fr not_active Revoked
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4268970A1 (fr) * | 2022-04-29 | 2023-11-01 | Speira GmbH | Dispositif de prélaquage en continu et procédé de production d'une couche de conversion et/ou de passivation sur au moins une surface d'une bande métallique |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2055809A2 (fr) | 2009-05-06 |
| DE102007052770A1 (de) | 2009-05-07 |
| EP2055809A3 (fr) | 2012-01-25 |
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