EP1327484A2 - Procédé pour revêtir des pièces, particulièrement des pièces de carrosserie - Google Patents

Procédé pour revêtir des pièces, particulièrement des pièces de carrosserie Download PDF

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Publication number
EP1327484A2
EP1327484A2 EP02027880A EP02027880A EP1327484A2 EP 1327484 A2 EP1327484 A2 EP 1327484A2 EP 02027880 A EP02027880 A EP 02027880A EP 02027880 A EP02027880 A EP 02027880A EP 1327484 A2 EP1327484 A2 EP 1327484A2
Authority
EP
European Patent Office
Prior art keywords
paint
process step
functional
applying
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02027880A
Other languages
German (de)
English (en)
Other versions
EP1327484A3 (fr
Inventor
Erwin Gross
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.)
Eisenmann Anlagenbau GmbH and Co KG
Original Assignee
Eisenmann Anlagenbau GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eisenmann Anlagenbau GmbH and Co KG filed Critical Eisenmann Anlagenbau GmbH and Co KG
Publication of EP1327484A2 publication Critical patent/EP1327484A2/fr
Publication of EP1327484A3 publication Critical patent/EP1327484A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/57—Three layers or more the last layer being a clear coat
    • B05D7/574—Three layers or more the last layer being a clear coat at least some layers being let to dry at least partially before applying the next layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/007—Processes for applying liquids or other fluent materials using an electrostatic field

Definitions

  • the functional paint layer is produced by spraying on a water-based paint, to which solvents may have been added.
  • electrostatic processes are generally used, a relatively large proportion of the sprayed-on paint misses the workpiece surface and is produced as sludge to be disposed of.
  • solvent vapors develop with this type of application of the functional lacquer.
  • the clearcoat is sprayed on as a two-component paint, which is also associated with relatively high solvent emissions and the build-up of paint sludge.
  • a typical value of the total solvent emissions is around 35 g / m 2 based on the total surface.
  • the object of the present invention is a method of the type mentioned in such a way that it overall is more environmentally friendly and cheaper.
  • step b) a paint material is used to carry out of step f) an increased electrical Has conductivity. That way avoided that applied in process step b) Base coat due to its insulation effect the application of the functional lacquer layer in the process step d) in the electrophoretic immersion process with special needs.
  • step 1 the surfaces the body for the actual painting process prepared, d. H. especially degreased, rinsed, phosphated and passivated if necessary.
  • the one so pretreated Surface of the body is in step 2 in one cataphoretic immersion process in one layer thickness of about 20 ⁇ outdoors, in cavities in one Layer thickness of about 10 ⁇ with a water-based Resin varnish covered.
  • This "base coat" connects closely with the surface of the workpiece and gives one good oxygenation.
  • a paint material is chosen that an increased electrical compared to the previous Has conductivity.
  • a repeated rinsing process follows, which is shown in the flow chart is not specifically shown and in the loose Paint material is removed by rinsing water that through Ultrafiltration is obtained from the immersion bath.
  • step 3 the body is or two-phase drying process.
  • both Cases are initially at temperatures between about 80 and 100 ° C plays, from the base coat essentially the water removed. If necessary. then in a second, in the temperature range between 175 and 200 ° C Branded the base coat phase.
  • this drying step could if necessary, connect a grinding process.
  • the painting process shown in the drawing is on such a grinding process waived.
  • a Functional lacquer layer applied. Since, as mentioned above, the base coat of a comparatively good electrical conductive material, the cataphoretic Deposition of the functional lacquer layer not by a Isolation effect of the base coat layer hindered.
  • This functional lacquer layer can, as by the several Box of step 4 is symbolized in different immersion baths 4a, 4b, 4c with different Color can be applied, which optionally go through become.
  • the result is a functional lacquer layer, the Color of the color of the water basecoat to be applied later similar.
  • the total layer thickness in process step 4 is at about 35 ⁇ , also with a synthetic resin varnish Water base is used.
  • a synthetic resin varnish Water base is used.
  • the cataphoretic dip painting process in the process step 4 are followed by rinsing processes, which are not shown in the flow chart.
  • step 7 there are two processes in step 7 instead, the nothing with the actual painting process have to do and basically elsewhere of the painting process: First of all are made by applying beads from elastic Plastic material or rubber seals the seams ("NAD”), preferably in the coarse seal (“GAD") Robots, in the fine sealing (“FAD”) also manual work be used. In addition, the required Make a up to 500 ⁇ thick with the help of a robot Underbody protection layer made of elastic plastic material (“UBS”) applied, which the noise and stone chip insulation serves.
  • UBS Underbody protection layer made of elastic plastic material
  • a water basecoat is applied sprayed on, which is the "value-adding", coloring lacquer layer.
  • the layer thickness generally depends on the color: White shades have thicker layers, while with well covering colors, especially with the color red, smaller layer thicknesses are sufficient. For metallic paints medium layer thicknesses are used.
  • the water basecoat is preferred in process step 10 dried in a condensation dryer, i.e. in the flow of very dry air circulating guided and dehumidified outside the drying room. This drying process takes place comparatively low temperatures of 30 ° for example. there essentially only the water is removed.
  • process step 13 there is still final work, in particular inspection and repair work.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
EP02027880A 2002-01-11 2002-12-13 Procédé pour revêtir des pièces, particulièrement des pièces de carrosserie Withdrawn EP1327484A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10200994 2002-01-11
DE10200994A DE10200994A1 (de) 2002-01-11 2002-01-11 Verfahren zum Lackieren von Werkstücken, insbesondere von Fahrzeugkarosserien

Publications (2)

Publication Number Publication Date
EP1327484A2 true EP1327484A2 (fr) 2003-07-16
EP1327484A3 EP1327484A3 (fr) 2004-10-27

Family

ID=7712008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02027880A Withdrawn EP1327484A3 (fr) 2002-01-11 2002-12-13 Procédé pour revêtir des pièces, particulièrement des pièces de carrosserie

Country Status (3)

Country Link
US (1) US20030132116A1 (fr)
EP (1) EP1327484A3 (fr)
DE (1) DE10200994A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007034674A1 (fr) * 2005-09-26 2007-03-29 Honda Motors Co., Ltd. Système d’application de revêtement à base d’eau
CN104923464A (zh) * 2015-07-02 2015-09-23 大亚车轮制造有限公司 哑光黑轮毂的喷涂方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106746707B (zh) * 2016-11-14 2019-12-31 信义超薄玻璃(东莞)有限公司 镀膜玻璃边部除膜的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3447257A1 (de) * 1984-12-22 1986-06-26 Basf Farben + Fasern Ag, 2000 Hamburg Verfahren zur mehrschichtigen kathodischen nass-in-nasslackierung von metallisch leitfaehigen substraten
DE4134289A1 (de) * 1991-10-17 1993-04-22 Herberts Gmbh Verfahren zur herstellung von mehrschichtueberzuegen, insbesondere bei der kraftfahrzeuglackierung, die eine gute zwischenschichthaftung ergeben
US5326596A (en) * 1991-12-19 1994-07-05 Kansai Paint Company, Ltd. Coating method
DE19519667C1 (de) * 1995-05-30 1997-02-06 Herberts Gmbh Verfahren zur Mehrschichtlackierung
DE19716234A1 (de) * 1997-04-18 1998-04-02 Herberts Gmbh Verfahren zur Herstellung von mehrschichtig lackierten Automobilteilen und Automobilkarosserien
US6231738B1 (en) * 1998-12-21 2001-05-15 Basf Corporation Multilayer electrodeposited coating
US6531043B1 (en) * 2000-06-29 2003-03-11 Ppg Industries Ohio, Inc. Methods for electrocoating a metallic substrate with a primer-surfacer and articles produced thereby
US6398934B1 (en) * 2000-10-19 2002-06-04 E. I. Du Pont De Nemours And Company Concentrate suitable for the preparation of cathodic electrodeposition coating compositions
JP2002126620A (ja) * 2000-10-26 2002-05-08 Nippon Paint Co Ltd 多層塗膜形成方法及び多層塗膜

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007034674A1 (fr) * 2005-09-26 2007-03-29 Honda Motors Co., Ltd. Système d’application de revêtement à base d’eau
GB2444440A (en) * 2005-09-26 2008-06-04 Honda Motor Co Ltd Water-based coating application system
GB2444440B (en) * 2005-09-26 2010-06-16 Honda Motor Co Ltd Water-based coating application system
US8499713B2 (en) 2005-09-26 2013-08-06 Honda Motor Co., Ltd. Water-based coating application system
CN104923464A (zh) * 2015-07-02 2015-09-23 大亚车轮制造有限公司 哑光黑轮毂的喷涂方法

Also Published As

Publication number Publication date
DE10200994A1 (de) 2003-07-31
US20030132116A1 (en) 2003-07-17
EP1327484A3 (fr) 2004-10-27

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