EP2509714B2 - Lackieranlagenbauteil mit einer modifizierten oberfläche - Google Patents

Lackieranlagenbauteil mit einer modifizierten oberfläche Download PDF

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Publication number
EP2509714B2
EP2509714B2 EP10787321.8A EP10787321A EP2509714B2 EP 2509714 B2 EP2509714 B2 EP 2509714B2 EP 10787321 A EP10787321 A EP 10787321A EP 2509714 B2 EP2509714 B2 EP 2509714B2
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EP
European Patent Office
Prior art keywords
surface layer
bell plate
roughness
specifically
less
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
EP10787321.8A
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German (de)
English (en)
French (fr)
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EP2509714B1 (de
EP2509714A2 (de
Inventor
Hans-Georg Fritz
Hans-Jürgen Nolte
Timo Beyl
Marcus Kleiner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Duerr Systems AG
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Duerr Systems AG
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Publication date
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Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Priority to EP13001691.8A priority Critical patent/EP2612710B2/de
Publication of EP2509714A2 publication Critical patent/EP2509714A2/de
Application granted granted Critical
Publication of EP2509714B1 publication Critical patent/EP2509714B1/de
Publication of EP2509714B2 publication Critical patent/EP2509714B2/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
    • B05B15/18—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for improving resistance to wear, e.g. inserts or coatings; for indicating wear; for handling or replacing worn parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
    • B05B3/1014—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell

Definitions

  • the invention relates to a bell cup for a rotary atomizer according to the preamble of claim 1. Furthermore, the invention comprises a corresponding manufacturing method.
  • Rotary atomizers which have a rotating bell plate as an application element are usually used for painting motor vehicle body components.
  • the problem here is the fact that the bell plate in the painting operation is heavily contaminated with the applied lacquer both on the outer surfaces (e.g. jacket surface) and on the inner surfaces (e.g. overflow surface), the lacquer sometimes adhering very strongly to the surface of the bell plate.
  • a relatively large amount of washing-up liquid must therefore be used in order to clean the bell plate from the adhering residues of the old coating agent, which also requires a relatively long time. This also applies to the so-called short rinsing, which is carried out between the coating of individual coating objects (e.g. motor vehicle bodies).
  • a disadvantage of the conventional bell plates is the tendency to become dirty and the unsatisfactory cleanability.
  • the surfaces, in particular the overflow surfaces, of the conventional bell cups are subject to wear due to corrosion and / or abrasion, which increases the surface roughness, which in turn increases the requirements for cleaning the bell cups.
  • the object of the invention is therefore to reduce the tendency of a bell plate to become dirty and / or to improve the cleanability of the bell plate.
  • a bell plate has a surface layer which reduces the tendency to become dirty and / or improves the ability to be cleaned.
  • the surface layer is produced by the method of ion implantation.
  • the base body itself can consist, for example, of aluminum or an aluminum alloy, titanium, steel, stainless steel, non-ferrous metal (copper and its alloys), ceramic, plastic or a combination of these materials.
  • the surface layer contains tantalum, niobium and / or vanadium.
  • the surface layer consists of a material based on Si-O, Si-OH or silicon-organic compounds, in particular in the form of a nano-layer, as will be described in detail. It should also be noted that the surface layer preferably contains metal oxides, metal nitrides or organometallic compounds. It should also be mentioned that the surface layer can optionally consist of an organic, in particular metal-organic material or an inorganic material. Depending on the coating agent to be used, the surface layer can be either hydrophilic or hydrophobic. A hydrophilic surface layer is characterized by a contact angle with water which is less than 90 °, 45 °, 20 °, 10 °, 8 ° or even less than 6 °.
  • the surface layer can even be superhydrophilic, the surface layer then being characterized by a contact angle with water of less than 5 °, 3 °, 2 ° or even less than 1 °.
  • the contact angle with water is preferably greater than 90 °, 110 °, 130 ° or 150 °.
  • the surface layer is superhydrophobic, the contact angle with water being greater than 160 °.
  • the surface layer is a so-called nano-layer which has a layer thickness which is in the nanometer range.
  • the surface layer has a microstructuring in order to reduce the tendency to contamination.
  • WO 96/04123 A1 a self-cleaning component surface that combines a microstructure with a hydrophobic coating to achieve the self-cleaning effect.
  • the surface layer according to the invention can perform a further technical function in that the surface layer is, for example, wear-reducing, which in itself is apparent from the patent application already cited at the beginning DE 101 12 854 A1 is known.
  • the base body and the surface layer consist of the same starting material, the material properties of the surface layer being changed in a targeted manner in order to reduce the tendency of the paint system component to become dirty and / or to improve the cleanability.
  • the surface layer has several areas which are separated from one another and have different properties. In a mechanically heavily loaded area, for example, the surface layer can be more strongly optimized for the greatest possible abrasion resistance, whereas the good cleanability at such places has a lower priority.
  • the surface layer can primarily be optimized for the lowest possible tendency to become contaminated, whereas the abrasion resistance in these areas has only a lower priority.
  • the surface layer can consist of a material with a high, medium or low interface friction. The same applies mutatis mutandis to the wettability of the surface layer, which can optionally consist of a material with a very good, good or low / poor wettability.
  • ductility there are various possibilities within the scope of the invention, which can be selected depending on the application.
  • the surface layer can consist of a material with a high ductility, in particular with an elongation at break of more than 5% or 10%.
  • the surface layer consists of a material with a medium ductility, in particular with an elongation at break between 0.5 and 5%. Furthermore, there is also the possibility that the surface layer consists of a material with a low ductility, in particular with an elongation at break of less than 0.5%, 0.3% or 0.1%.
  • the surface layer consists of a material with a low roughness (Rz ⁇ 10 ⁇ m).
  • the surface layer can optionally consist of a material with a high, medium or low abrasion resistance.
  • the corrosion resistance of the surface layer can optionally consist of a material with a large, medium or small corrosion resistance.
  • Corrosion resistance is particularly important if the paint system component (e.g. bell plate) is made of non-ferrous metal (copper and its alloys), since non-ferrous metals also corrode in connection with deionized water (demineralized water). This is important because demineralized water is contained in water-based paints and detergents, so that bell plates made of non-ferrous metals have to be coated with a corrosion-resistant surface layer.
  • non-ferrous metal copper and its alloys
  • demineralized water deionized water
  • the coating agent For the finest possible atomization of the coating agent, it is advantageous, for example, to combine the following material properties of the surface layer: low interfacial friction, low wettability, high ductility, low roughness, high abrasion resistance and low corrosion resistance.
  • the cleaning-optimizing surface layer covers the entire surface of the base body.
  • the invention also includes a production method for producing a bell plate optimized according to the invention, as can already be seen from the above description.
  • Figure 1 shows a largely conventional bell plate 1 for a rotary atomizer 2, the bell plate 1 rotating in operation about an axis of rotation 3.
  • the paint to be applied is fed to the bell cup 1 through a paint tube and then axially strikes a baffle plate 4, which deflects the paint in the radial direction.
  • the paint then flows along an overflow surface 5 to an annular circumferential spray edge 6, on which the paint is sprayed.
  • the bell plate 1 has a conical outer surface 7 on its outside, which is also known per se from the prior art.
  • the bell plate 1 is coated on its surface with a surface layer which reduces the tendency to soiling and improves the cleaning ability.
  • This surface layer is applied to the overflow surface 5 and the lacquer-carrying inner surfaces of the bell plate 1 and also extends over the entire lateral surface 7.
  • the entire surface of the bell plate 1 is sealed with the surface coating.
  • the surface layer according to the invention contains a nano-layer which realizes a lotus effect, so that the bell plate 1 is self-cleaning and, if need be, requires a short cleaning.
  • the embodiment according to Figure 2 largely corresponds to the exemplary embodiment described above, so that reference is made to the above description in order to avoid repetition, the same reference numerals being used for corresponding details.
  • a special feature of this exemplary embodiment is that the bell cup 1 has a surface layer 8 only in the region of its spraying edge 6, the surface layer 8 being located both on the overflow surface 5 and on the outer lateral surface 7.
  • the embodiment according to Figure 3 again true largely corresponds to the exemplary embodiments described above, so that reference is made to the above description in order to avoid repetition, the same reference numerals being used for corresponding details.
  • This exemplary embodiment is characterized in that the surface layer only covers the outer lateral surface 7 and the rear of the bell plate 1, whereas the overflow surface 5 and the inner surface of the bell plate 1 are not materially changed by ion implantation.
  • the embodiment according to Figure 4 again largely corresponds to the exemplary embodiments described above, so that reference is made to the above description in order to avoid repetition.
  • This exemplary embodiment is characterized in that the bell cup 1 is completely sealed with the surface layer 8. This means that the entire surface of the bell plate 1 is covered by the surface layer 8.
  • the embodiment according to Figure 5 largely coincides with the exemplary embodiments described above, so that reference is made to the above description in order to avoid repetition.
  • a special feature of this exemplary embodiment is that only the overflow surface 5 and the inner surface of the bell cup 1 are materially changed by ion implantation.
  • the invention is not restricted to the preferred exemplary embodiments described above. Rather, a large number of variants and modifications are possible, which likewise fall under the scope of protection defined by the patent claims.

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Nozzles (AREA)
  • Laminated Bodies (AREA)
EP10787321.8A 2009-12-08 2010-12-03 Lackieranlagenbauteil mit einer modifizierten oberfläche Active EP2509714B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13001691.8A EP2612710B2 (de) 2009-12-08 2010-12-03 Lackieranlagenbauteil mit einer modifizierten oberfläche

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009057444A DE102009057444A1 (de) 2009-12-08 2009-12-08 Lackieranlagenbauteil mit einer Oberflächenbeschichtung
PCT/EP2010/007356 WO2011069622A2 (de) 2009-12-08 2010-12-03 Lackieranlagenbauteil mit einer oberflächenbeschichtung

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP13001691.8A Division-Into EP2612710B2 (de) 2009-12-08 2010-12-03 Lackieranlagenbauteil mit einer modifizierten oberfläche
EP13001691.8A Division EP2612710B2 (de) 2009-12-08 2010-12-03 Lackieranlagenbauteil mit einer modifizierten oberfläche

Publications (3)

Publication Number Publication Date
EP2509714A2 EP2509714A2 (de) 2012-10-17
EP2509714B1 EP2509714B1 (de) 2018-02-07
EP2509714B2 true EP2509714B2 (de) 2020-06-24

Family

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EP13001691.8A Active EP2612710B2 (de) 2009-12-08 2010-12-03 Lackieranlagenbauteil mit einer modifizierten oberfläche
EP10787321.8A Active EP2509714B2 (de) 2009-12-08 2010-12-03 Lackieranlagenbauteil mit einer modifizierten oberfläche

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Country Status (7)

Country Link
US (1) US9731311B2 (es)
EP (2) EP2612710B2 (es)
CN (1) CN102712005B (es)
DE (1) DE102009057444A1 (es)
ES (2) ES2667320T5 (es)
HU (2) HUE037576T2 (es)
WO (1) WO2011069622A2 (es)

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DE102008056411A1 (de) * 2008-11-07 2010-05-20 Dürr Systems GmbH Beschichtungsanlagenbauteil, insbesondere Glockenteller, und entsprechendes Herstellungsverfahren
DE102011085674A1 (de) * 2011-11-03 2013-05-08 Robert Bosch Gmbh Maschinenelement einer Kraftstoffpumpe mit Oberflächen-Mikrostrukturierung
WO2013087073A2 (de) * 2011-12-16 2013-06-20 Herbert Jennissen Substrat mit einer strukturierten oberfläche sowie verfahren zu dessen herstellung sowie verfahren zur bestimmung der benetzungseigenschaften davon
DE102014222240A1 (de) * 2014-10-30 2016-05-04 Continental Automotive Gmbh Ventilvorrichtung für ein Kraftfahrzeug
DE102015004066A1 (de) * 2015-03-28 2016-09-29 Eisenmann Se Wellenelement eines Luftlagers, Luftlager und Rotationszerstäuber
CN106086765B (zh) * 2016-07-25 2019-01-15 北京航空航天大学 一种抗cmas腐蚀微纳米复合结构热障涂层及其制备方法
EP3626351B1 (en) * 2017-05-17 2021-01-27 Nissan Motor Co., Ltd. Bell cup of rotary atomization type coating apparatus
DE102019135592A1 (de) * 2019-12-20 2021-06-24 Eisenmann Se Rotationszerstäuber zur Abgabe eines Beschichtungsmittels und Glockenteller hierfür

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Also Published As

Publication number Publication date
ES2668093T5 (es) 2021-02-16
HUE038951T2 (hu) 2018-12-28
US20120305681A1 (en) 2012-12-06
ES2667320T5 (es) 2024-02-27
EP2612710B2 (de) 2023-08-30
DE102009057444A1 (de) 2011-06-09
EP2509714B1 (de) 2018-02-07
EP2612710B1 (de) 2018-02-07
EP2509714A2 (de) 2012-10-17
ES2667320T3 (es) 2018-05-10
HUE037576T2 (hu) 2018-09-28
US9731311B2 (en) 2017-08-15
WO2011069622A3 (de) 2011-08-04
CN102712005A (zh) 2012-10-03
WO2011069622A2 (de) 2011-06-16
EP2612710A1 (de) 2013-07-10
ES2668093T3 (es) 2018-05-16
CN102712005B (zh) 2016-05-18

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