EP1486262A1 - Vorrichtung und Verfahren zur Pulverbeschichtung - Google Patents

Vorrichtung und Verfahren zur Pulverbeschichtung Download PDF

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Publication number
EP1486262A1
EP1486262A1 EP03101743A EP03101743A EP1486262A1 EP 1486262 A1 EP1486262 A1 EP 1486262A1 EP 03101743 A EP03101743 A EP 03101743A EP 03101743 A EP03101743 A EP 03101743A EP 1486262 A1 EP1486262 A1 EP 1486262A1
Authority
EP
European Patent Office
Prior art keywords
support
strip
installation
paint
lacquering
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Withdrawn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
EP03101743A
Other languages
English (en)
French (fr)
Inventor
Paul Lambert
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.)
Dmsys Sarl
Original Assignee
Dmsys Sarl
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 Dmsys Sarl filed Critical Dmsys Sarl
Priority to EP03101743A priority Critical patent/EP1486262A1/de
Publication of EP1486262A1 publication Critical patent/EP1486262A1/de
Withdrawn legal-status Critical Current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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • B05D1/06—Applying particulate materials
    • 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
    • B05C9/08—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 and performing an auxiliary operation
    • B05C9/14—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 and performing an auxiliary operation the auxiliary operation involving heating or cooling
    • 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
    • B05D2202/00—Metallic substrate
    • 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
    • B05D2252/00—Sheets
    • B05D2252/02—Sheets of indefinite length
    • 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
    • B05D2252/00—Sheets
    • B05D2252/10—Applying the material on both sides
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0263—After-treatment with IR heaters

Definitions

  • the present invention relates to an installation or compact line for pre-lacquering substrates, preferably supports in the form of metal strips.
  • the factories producing pre-lacquered metal are generally subsidiaries of large steel groups, for example example in Europe Arcelor, Thyssen, Chorus, SSAB, and others installed in the USA, Australia, Japan, Korea, etc.
  • the industries using pre-lacquer are generally steel forming industries and among profilers either for sheet metal fabrication profiles, either of foamed panels.
  • the installation according to the present invention responds to this double problem of profilers, flexibility and time delivery, becoming their own pre-lacquer, which allows a drastic reduction in stocks of pre-coated coils upstream of the installation, which are replaced by unpainted coils.
  • the size of the stock in front of the line can be reduced by around 10 times, and by substantial reductions in storage and locked-in money plus the economy of supplier margin.
  • the object of the present invention is to provide a installation assembled in a compact unit of the order of 20 to 40 m depending on the options.
  • the components of the installation are known per se, individually, but their meeting makes it possible to carry out a pre-lacquering operation of equal or greater quality than that obtained with existing facilities.
  • Another object of the invention by means of this installation, is without necessarily excluding them, is to delete some mandatory steps mentioned more high in conventional systems, such as pre-treatment support, smoke incinerators, input and output accumulators etc ... Thanks to this installation, there is no more generation of pollution, nor risk of explosion or fire.
  • Another object of the invention is the production an installation allowing production speeds between 10 to 50 m / min which is in harmony with the speeds of the profiling machines.
  • the support strip is unwound in a unit of unrolling (1) and pass through a trimmer (2) where it is straightened and from there it passes successively into a powder coating booth (3) operating according to the electrostatic powdering process, a NIR cooking (4), then a cooling and drying (5) before being rewound in a rewinding unit (6).
  • the electrostatic powder coating booth (3) is a closed assembly and equipped with a suction and recycling of paint via a cyclone. Extraction and rejection of the residual atmosphere takes place in a hall via a battery of filters.
  • the paint overlay is achieved by minimum air electrostatic spraying.
  • the set is compact and autonomous, and is designed to allow fast color loading.
  • the equipment will be designed to allow the application of a coating nominal thickness 60 ⁇ at specified speeds. The usual dimensions will be; length 4 to 6m, width 1 at 3m, height 2.5m to 3m.
  • the NIR Cooking Oven is based on Very short wavelength infrared e.g. (2.5 ⁇ m) (near infrared) which allows cooking to be carried out times of 1 to 4 seconds, so it only requires 2m length of radiators for a speed of 50m / min.
  • the primary advantage of this system besides its short length, lies in the fact that the cooking takes place in the mass of the paint itself, without excessive heating of the mass of the support (steel for example) unlike others techniques like induction for example.
  • the power installed is significant in the order of 900 KVA, and requires cooling of the IR elements due to the heat released.
  • a measuring device regulates the strip temperature.
  • the radiation from the lamps requires a rollover sufficient as well as a fume extraction ends.
  • All control elements are grouped in a cabinet control and synchronized for online walking.
  • the water cooler (5) was chosen for reasons of efficiency compared to the air cooler. he also helps to cool the NIR oven heating elements.
  • the set is made of INOX, for example, and includes a polished entry roller allowing a slight embarrassment of the strip, preventing a flow of water upstream. he includes a series of powered spray booms by a high flow circulation pump. The ramps are followed by a pair of wringers and an air dryer blade. The length of the assembly will be of the order of 3 m. A outdoor refrigerant is provided to maintain the water temperature within well defined limits.
  • the metallic support used in the form of coils can be galvanized steel Z 275 or Aluzinc AZ 150 SPT treaties.
  • the present invention is intended with the filing a dry film (SPT) ensuring good paint adhesion, a pre-treatment section maybe in the installation.
  • the paint is of characteristic defined for the NIR cooking in the required time.
  • the base of these paints are of the exterior quality polyester type, that is, meets ECCA standards. She is applied in thicknesses of approximately 60 micrometers ( ⁇ ), and it can be smooth or textured.
  • the speed range adopted is from 10 to 50 m / min for the band.
  • the line is run by two operators of average qualification.
  • the strip width is from 600 to 1500 mm.

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
EP03101743A 2003-06-13 2003-06-13 Vorrichtung und Verfahren zur Pulverbeschichtung Withdrawn EP1486262A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03101743A EP1486262A1 (de) 2003-06-13 2003-06-13 Vorrichtung und Verfahren zur Pulverbeschichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03101743A EP1486262A1 (de) 2003-06-13 2003-06-13 Vorrichtung und Verfahren zur Pulverbeschichtung

Publications (1)

Publication Number Publication Date
EP1486262A1 true EP1486262A1 (de) 2004-12-15

Family

ID=33185966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03101743A Withdrawn EP1486262A1 (de) 2003-06-13 2003-06-13 Vorrichtung und Verfahren zur Pulverbeschichtung

Country Status (1)

Country Link
EP (1) EP1486262A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008090567A2 (en) * 2007-01-25 2008-07-31 Shree Precoated Steels Ltd An improved, continuous coating line and a process of continuously coating metal strip
EP2011660A1 (de) * 2007-07-06 2009-01-07 Cedrus Verfahren zur Herstellung einer Holzmaserung auf einem Metallprofil und so ausgeführtes Profil
EP2857112A1 (de) * 2013-10-01 2015-04-08 AB Anlagenplanung GmbH Verfahren und Anlage zum Pulverbeschichten

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176755A (en) * 1990-02-14 1993-01-05 Armco Inc. Plastic powder coated metal strip
US5618589A (en) * 1994-12-02 1997-04-08 Owens Corning Fiberglas Technology, Inc. Method and apparatus for coating elongate members
US5882405A (en) * 1993-09-17 1999-03-16 Illinois Tool Works Inc. Method and apparatus for coating fasteners
US20010018893A1 (en) * 1995-08-10 2001-09-06 Hakan Arverus Method and apparatus for powder coating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176755A (en) * 1990-02-14 1993-01-05 Armco Inc. Plastic powder coated metal strip
US5882405A (en) * 1993-09-17 1999-03-16 Illinois Tool Works Inc. Method and apparatus for coating fasteners
US5618589A (en) * 1994-12-02 1997-04-08 Owens Corning Fiberglas Technology, Inc. Method and apparatus for coating elongate members
US20010018893A1 (en) * 1995-08-10 2001-09-06 Hakan Arverus Method and apparatus for powder coating

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008090567A2 (en) * 2007-01-25 2008-07-31 Shree Precoated Steels Ltd An improved, continuous coating line and a process of continuously coating metal strip
WO2008090567A3 (en) * 2007-01-25 2008-09-25 Shree Precoated Steels Ltd An improved, continuous coating line and a process of continuously coating metal strip
EP2011660A1 (de) * 2007-07-06 2009-01-07 Cedrus Verfahren zur Herstellung einer Holzmaserung auf einem Metallprofil und so ausgeführtes Profil
EP2857112A1 (de) * 2013-10-01 2015-04-08 AB Anlagenplanung GmbH Verfahren und Anlage zum Pulverbeschichten

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