EP3235399B1 - Procédé et dispositif d'application sélective de vernis protecteur - Google Patents

Procédé et dispositif d'application sélective de vernis protecteur Download PDF

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Publication number
EP3235399B1
EP3235399B1 EP17155627.7A EP17155627A EP3235399B1 EP 3235399 B1 EP3235399 B1 EP 3235399B1 EP 17155627 A EP17155627 A EP 17155627A EP 3235399 B1 EP3235399 B1 EP 3235399B1
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EP
European Patent Office
Prior art keywords
brush
relative movement
component
application
covering varnish
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
EP17155627.7A
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German (de)
English (en)
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EP3235399A1 (fr
Inventor
Christian Falk
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.)
Bolta Werke GmbH
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Bolta Werke GmbH
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Filing date
Publication date
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Publication of EP3235399A1 publication Critical patent/EP3235399A1/fr
Application granted granted Critical
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Classifications

    • 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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/06—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length by rubbing contact, e.g. by brushes, by pads
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/06—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water connected to supply pipe or to other external supply means
    • 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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
    • B05C1/027—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles only at particular parts of the articles
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1603—Process or apparatus coating on selected surface areas
    • C23C18/1605—Process or apparatus coating on selected surface areas by masking
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/02—Electroplating of selected surface areas
    • C25D5/022—Electroplating of selected surface areas using masking means
    • 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
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • 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
    • B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists

Definitions

  • the invention relates to a method according to the preamble of claim 1 for electroplating, in particular chrome plating, a, in particular three-dimensional, plastic molded part, preferably a plastic injection molded part, a covering lacquer being applied to the component and then the component being metallized.
  • the invention relates to a system according to claim 8, comprising a metallization device and a device for selectively applying a covering lacquer to an application surface of a component to be galvanized, in particular three-dimensional, designed as a molded plastic part.
  • the system is designed and designed to carry out the method according to the invention.
  • Plastic parts especially plastic injection molded parts, mostly made of ABS (acrylonitrile-butadiene-styrene copolymer) or ABS-PC plastics are provided with a mostly multi-layer electroplating, i.e. electrochemically coated, for a wide variety of applications, especially for the automotive industry.
  • An upper electroplating metal layer is usually formed by a chrome layer.
  • the EP 1 302 564 A2 describes a method for metallizing metal surfaces. It is known from the publication to apply a large area of a photoresist coating by dipping, spray painting, mechanical brushing or dipping.
  • the DE 44 38 799 A1 deals with mask technology in connection with the production of automatic cards or printed circuit boards.
  • the WO 2015/041831 A1 describes a method for applying lubricant to pipe ends for torque reduction.
  • the object of the invention is to provide an alternative, reliable process for the selective application of a covering lacquer layer to a component to be electrochemically metallized in a later process step. Furthermore, the object is to provide a system for the process-reliable selective application of masking lacquer in advance of, in particular electrochemical, metallization of a component, which is suitable and intended for carrying out the method according to the invention.
  • the invention leads to a method for, preferably galvanic (electrochemical) metallization, in particular chrome plating, of a plastic component, the, in particular electrochemical, further preferably at least one, preferably uppermost, chromium layer comprising metallization or the metallization process, a cover lacquer application method according to the invention which is explained below is connected upstream.
  • the invention is based on the idea of applying the covering lacquer to the component selectively, ie not covering the entire surface, to prevent the subsequent metallization of the partial area covered by the covering lacquer (application surface) and / or a recess area surrounding the covering lacquer, ie the application surface provided with covering lacquer not (more) manually but automatically, using a brush, whereby according to the invention automatic, ie by means of at least one, in particular electrical (Pneumatic or hydraulic) drive-driven relative movement means are provided, with the aid of which a relative movement is automatically generated between the brush and the component during the application of the covering lacquer to the component, so that the application area, that is to say, with the brush in contact with the component to cover the partial surface of the component to be provided with the masking lacquer.
  • automatic ie by means of at least one, in particular electrical (Pneumatic or hydraulic) drive-driven relative movement means are provided, with the aid of which a relative movement is automatically generated between the brush and the component during the application of
  • the brush is supplied, in particular continuously, from a masking material reservoir via a masking agent supply line while the masking lacquer is being applied.
  • a manual application in the automated application according to the invention it is therefore not necessary to interrupt the application process for immersing the brush in a supply of masking lacquer.
  • the automated generation of a relative movement of a brush and the component supplied with masking varnish, in particular continuously, can ensure process-reliable application of the masking varnish to areas of the component which is preferably made of plastic, in particular ABS, ABS-PC, PA 6.6, or PP .
  • the method according to the invention and the device according to the invention enable the automated, process-reliable application of masking lacquer to three-dimensional components or surfaces that extend along three perpendicular spatial axes of a Cartesian spatial coordinate system.
  • the relative movement means only have to be designed such that they allow a relative movement along all three spatial axes.
  • the automated application of the topcoat by means of a brush supplied with topcoat, a multi-bristle arrangement has surprisingly proven to be particularly effective and reproducible in terms of the coating or application result.
  • both the brush and the component are actively (simultaneously or in succession) adjusted by the relative movement means during the application process, as a result of which, in particular, very complex component geometries are comparatively easily possible with masking lacquer, in particular along a predetermined application track or line, in particular circumferentially is.
  • the component is arranged in a stationary manner, in particular is held in a workpiece carrier, while the brush is actively adjusted relative to the fixed component, in particular along a predetermined and / or predeterminable (parameterizable by the user) relative movement path.
  • the movement means comprise a robot arm which can be pivoted, in particular about at least one joint, preferably about several joints, and which carries the brush.
  • the robot arm is designed as a collaborative robot arm, which enables an employee to work without blocking and / or other security measures, in particular for loading a workpiece carrier directly next to the robot arm, especially in its working area or range allow.
  • the variant with an actively adjustable brush relative to a fixed component, in particular by means of a robot arm also has the advantage that several components are arranged in a workpiece carrier around the robot arm and these are processed one after the other by the robot arm or cover varnish on the latter can be applied, so that components that have already been processed or that have been selectively coated or coated with masking lacquer can be exchanged either automatically or with components that are still to be provided with masking lacquer.
  • the relative movement means in particular the robot arm, are designed or controlled such that they execute the relative movement in such a way that the brush is related to the component (by actively adjusting the brush and / or the component) along a predetermined and / or predeterminable trajectory is guided and remains in contact with the component.
  • the trajectory coordinates or the course can either be predefined or what is preferred can be predefined, i.e. can be varied, in particular can be parameterized, very particularly preferably via a corresponding input mask or via a corresponding control file, which is or is created, for example, on the basis of CAD data of the component.
  • a particularly preferred embodiment variant of the method is one in which the volume of masking lacquer supplied to the brush is varied or can be varied during application, in particular in order to adapt the application behavior or application to a relative speed between the brush and the component, in particular to a brush travel speed and / or to a component geometry.
  • the covering volume flow is preferably controlled and / or regulated in such a way that the layer thickness and / or an application track width increases during the covering lacquer application; especially the paint trail, despite changing relative speed and / or application area changed.
  • the covering volume flow is controlled in such a way that a layer thickness is specified and / or application track width is maintained, in particular in such a way that a layer thickness and / or application track width remains constant.
  • the relative movement of the brush takes place in a pulling direction, that is, such that a longitudinal axis of the brush with a relative movement direction in which the brush is relative to the component, in particular by actively adjusting the brush by means of the relative movement means is inclined or includes an angle of less than 90 °, in particular between 70 ° and 88 °, even more preferably between 75 ° and 88 °, very particularly preferably between 80 ° and 85 °, with the relative movement direction (movement vector).
  • the direction of relative movement changes during the application of the resist, whereby the brush inclination, i.e.
  • the angle between the longitudinal axis of the brush, along which the bristles of the brush extend and the direction of relative movement is tracked in order to maintain the aforementioned angle of inclination to the direction of relative movement. It is preferred if the longitudinal axis of the brush is oriented perpendicular to an axis which is arranged at a right angle in the contact area of the brush with the component, ie on the component surface to the direction of relative movement.
  • the invention also leads to a system which is preferably designed and intended to carry out a method previously described in detail.
  • the system comprises a metallization device for the galvanic metallization of a, preferably three-dimensional Plastic molded part (component), in particular a plastic injection molded part and a device for applying masking lacquer to the component before metallizing.
  • the device comprises a brush for applying the covering varnish to the application surface and a covering varnish supply line, with which the brush can be supplied with covering varnish from a covering varnish reservoir during application.
  • the device according to the invention comprises automatic relative movement means, ie driven with at least one drive and connected to control means in a signal-conducting manner, for generating a relative movement between the brush and the application surface of the component.
  • the brush is moved relative to a fixed component, in particular along a predefined and / or predeterminable movement path in order to generate a defined application lacquer trace. It is possible and preferred to use a robot arm, in particular a collaborative one. Alternatively, it is possible to actively move both the component and the brush relative to each other or only the component relative to the fixed brush. For the preferred case of providing a brush, in particular one that can be adjusted by means of a robot arm, it is preferred if a plurality of workpiece receptacles are arranged around the relative movement means, which in particular are moved in succession by the robot arm or the brush to produce a respective covering lacquer application.
  • control means can be used to control volume flow setting means with which the covering volume flow supplied to the brush can be varied during the application, in particular as a function of a relative speed between the brush and the component and / or a component geometry known to the control means. It is particularly expedient if the volume flow setting means have a proportional valve, in particular in the Cover varnish supply line, the opening cross-section being varied depending on at least one parameter, for example the relative speed between the brush and the component or the component geometry for setting the volume flow.
  • the masking varnish pressure applied to the proportional valve is constant, at least within predefined limits, or is kept within predefined limits, which is possible, for example, with a feed pump or can preferably be achieved by the reservoir for masking varnish being preferably constant or fluctuating delivery gas pressure, in particular air pressure, is supplied. If a delivery pump is provided instead of the static pressure delivery previously explained, it is possible to control the delivery pump to adjust the volume flow. It is also conceivable to assign conveying pressure setting means to the cover reservoir in order to vary the conveying pressure (gas pressure) as a function of the relative speed and / or component geometry.
  • the brush is detachably attached to a holder, in particular a bayonet connection or a Luerlok connection, in particular known from medical technology.
  • This holder is preferably formed by the relative movement means, in particular a robot arm.
  • the exchange can be done for cleaning and / or replacement purposes of the brush. It is also possible in this way to use brushes with different geometries for different applications with the same relative adjustment movement means.
  • the brush is a multi-bristle arrangement. It preferably comprises a large number of bristles comprehensive brush bristles of different lengths and / or thicknesses and / or of different materials.
  • an outlet opening for covering lacquer which is connected to the supply line in a manner that covers the covering lacquer, is set back in relation to a front brush end (contact end to the component), in particular a brush tip.
  • the outlet opening is preferably located in an area within the bristles, in particular in a bristle center and / or behind the bristles, and opens out, for example, in a distributor space for masking lacquer arranged behind the bristles.
  • the relative movement means track the brush or the brush inclination accordingly, so that the inclination angle is the same or at least in the preferred angular range remains, at least less than 90 °, in order to realize a continuous pulling movement of the brush.
  • the relative movement means of the brush and / or the component are designed or adjusted along three perpendicular spatial axes of a 3D-Katesic coordinate system.
  • a more than three-axis, in particular five- or even more preferably six-axis, robot arm which, in addition to a translatory adjustment movement of the brush and / or the component along three spatial axes arranged at right angles to one another, the rotation or pivoting of the brush by at least one of the spatial axis, preferably around at least two of the Space axes, very particularly preferably around three of the space axes.
  • the relative adjustment movement means are preferably designed such that not only the aforementioned angle of inclination, that is to say the angle between the longitudinal central axis of the brush and the relative movement direction, is kept in the desired angular range, in particular at the desired angular dimension, but also an angle between the longitudinal axis, in particular the longitudinal central axis of the brush and an axis that meets the direction of movement in the contact area of the brush with the component, in particular surface axis.
  • the relative movement means track the inclination angle of the brush or of its longitudinal axis or adapt it to the changing relative movement direction.
  • this can be realized or programmed by moving the movement means, in particular a robot arm, in a so-called teach mode (learning mode) along a movement path to be specified along the component, and setting or respectively setting or tilting the brush at a plurality of points to be stored is specified manually.
  • teach mode learning mode
  • a regulated tracking is also fundamentally conceivable, it being necessary to determine the respective angular position of the brush, for example using sensor means, such as a camera.
  • an embodiment of the device or of the method implemented thereby is very particularly preferred, in which the device has suction means for suctioning off emissions resulting from the coating application, in particular solvent vapors, with which the corresponding emissions can be extracted or extracted in order to increase the occupational safety for operators.
  • FIG. 1 A device 1 for the selective application of masking lacquer on, in particular electrochemically, components to be metallized, in particular made of plastic, such as ABS, ABS-PC, PA 6.6, PEI, or LCP, is shown.
  • the device 1 comprises relative movement means 2 in the form of a collaborative robot arm which carries a brush 3 at the end, as is shown, for example, in FIG Fig. 4 is shown in detail.
  • the robot arm can be automatically adjusted around several swivel joints by means of appropriate drives, in order to thus traverse software trajectories by means of the brush while the brush is in contact with the component.
  • Various workpiece carriers 4 are located around the relative movement means 2, each for receiving a component to be provided with a resist, which is not shown for reasons of clarity.
  • the components can be processed one after the other or provided with masking lacquer and then exchanged manually or automatically.
  • Control means 5 are assigned to the relative movement means 2 in order to carry out the relative movement in accordance with the specification and, as will be explained later, to vary a volume of masking lacquer during the application.
  • the brush 3 is supplied with masking lacquer via a masking lacquer supply line 6 which connects the masking lacquer to a masking lacquer reservoir 7 designed as a pressure container is.
  • a metering valve 8 which can be controlled via the control means 5 and is designed as a proportional valve, is provided for varying the volume of masking lacquer.
  • the reference number 9 denotes an exhaust air line for removing any solvent vapors from the covering lacquer.
  • FIG. 2 is part of the device according to Fig. 1 shown.
  • An attachment 10 can be seen for fixing to the robot arm.
  • the brush 3 is held at the end of the attachment 10 and is continuously supplied with masking lacquer via the masking lacquer reservoir 7 shown in sections.
  • the metering valve 8 which can alternatively also be arranged in the region of a connection element 11, which can be fixed via clamps 12 to an arm section of the robot arm of the relative adjustment means 2.
  • Fig. 3 shows the top coat reservoir 7, which is connected to the brush 3 via the top coat supply line 6 in a paint-conducting manner.
  • the covering lacquer reservoir 7 is supplied with a substantially constant delivery pressure via a compressed gas line, in particular a compressed air line, under manometer control.
  • a delivery pump for example with a screw conveyor, can also be used to generate a delivery pressure.
  • Such a feed pump can be combined with a metering valve designed as described and / or can itself be controlled to vary the volume flow, for example speed-controlled, stroke-controlled, etc.
  • Fig. 4 shows a possible embodiment of a brush 3 designed according to the concept of the invention.
  • This includes a plurality of elongated bristles 13 which are fixed in a holding section 14.
  • an outlet opening 15 for masking lacquer In an area centered on the radial extent within the bristles 13 there is an outlet opening 15 for masking lacquer.
  • This is supplied with masking lacquer via a supply duct 16 forming part of the supply line. It can be seen that the outlet opening 15 is set back in relation to a front end 18 of the bristles 13 or of the brush 3.
  • the brush 3 includes fixing means 17 on the side facing away from the bristles 13, here in the form of a Luerlok connection for releasable fixing to the relative adjusting means 2.
  • Fig. 5 a situation during operation of the device according to the invention is shown.
  • the brush 3 can be seen with a longitudinal axis L (here, for example, the longitudinal central axis). This is not exactly vertical on a component 20 to be coated with masking lacquer 19 (which will later be metallized, in particular galvanized later in the process) - rather, the longitudinal axis L of the brush 3 is inclined to a relative movement direction R in which the brush 3, here pulling, is adjusted or pulled along the component surface or component 20 by relative adjustment movement means.
  • This relative adjustment movement direction changes during the application process in which the brush 3 is moved along a movement path.
  • the angle ⁇ between the longitudinal axis L and the relative movement direction R is tracked or kept in the value range from 80 to 85 ° in the exemplary embodiment shown during the covering lacquer application.
  • An angle ⁇ is preferably maintained at the same time between an axis A (surface axis) oriented in the contact area of the brush 3 with the component 20 perpendicular to the direction of relative movement R.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (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)

Claims (15)

  1. Procédé pour la métallisation galvanique, notamment le chromage, d'un composant réalisé comme pièce moulée en matière plastique, un vernis protecteur étant appliqué sur le composant et le composant étant ensuite métallisé,
    le vernis protecteur étant appliqué sur la surface d'application au moyen d'un pinceau (3),
    caractérisé en ce
    qu'un déplacement relatif entre le pinceau (3) est la surface d'application du composant est réalisé au moyen des moyens de déplacement relatif (2) automatiques afin d'appliquer le vernis protecteur et qu'un réservoir de vernis protecteur (7) alimente le pinceau (3) via une conduite d'alimentation de vernis protecteur (6) pendant l'application, notamment de manière continue, et que les moyens de déplacement relatif (2) réalisent le déplacement relatif de telle manière que le pinceau (3) et/ou le composant est/sont guidé(s) le long d'un trajet de déplacement qui est défini et/ou peut être défini.
  2. Procédé selon la revendication 1,
    caractérisé en ce
    qu'afin de réaliser le déplacement relatif, le pinceau (3) et le composant sont déplacés de manière active, ou le composant est déplacé de manière active par rapport au pinceau (3) fixe ou le pinceau (3) est déplacé de manière active par rapport au composant fixe, de sorte que le pinceau (3) est guidé sur la surface d'application.
  3. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les moyens de déplacement relatif (2) déplacent le pinceau (3) et/ou le composant le long de trois axes d'un système de coordonnées cartésiennes 3D, les axes s'étendant perpendiculairement l'un à l'autre.
  4. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les moyens de déplacement relatif (2) comprennent un bras de robot, notamment collaborant.
  5. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'un débit volume de vernis protecteur qui est amené au pinceau (3) est varié pendant l'application.
  6. Procédé selon la revendication 5,
    caractérisé en ce que
    le débit volume de vernis protecteur est contrôlé et/ou régulé de telle manière qu'indépendamment d'une vitesse de déplacement de pinceau changeante et/ou d'une géométrie de composant qui change le long de la surface d'application, une épaisseur de couche et/ou une largeur de voie d'application du vernis protecteur reste stable.
  7. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le pinceau (3) est déplacé par rapport au composant (20) dans une direction de déplacement relatif (R) qui change pendant l'application afin d'appliquer le vernis protecteur (19) et le pinceau est et/ou reste incliné par rapport à la direction de déplacement relatif (R), de telle manière qu'un axe longitudinal (L) du pinceau et la direction de déplacement relatif (R) forment un angle (a) inférieur à 90°.
  8. Système pour effectuer un procédé selon l'une quelconque des revendications 1 à 7, comprenant un dispositif de métallisation servant à la métallisation galvanique, de préférence au chromage, d'un composant, notamment tridimensionnel, réalisé comme pièce moulée en matière plastique, et un dispositif servant à l'application sélective d'un vernis protecteur sur une surface d'application du composant à métalliser de manière galvanique, comprenant un pinceau (3) servant à l'application du vernis protecteur sur la surface d'application, une conduite d'alimentation de vernis protecteur (6) servant à l'alimentation du pinceau (3) en vernis protecteur d'un réservoir de vernis protecteur (7) pendant l'application et des moyens de déplacement relatif (2) automatiques qui sont reliés à des moyens de contrôle (5) en conduisant des signaux et qui servent à la réalisation d'un déplacement relatif entre le pinceau (3) et la surface d'application du composant, et que les moyens de contrôle sont réalisés afin de contrôler les moyens de déplacement relatif (2) de telle manière que lesdits moyens de déplacement relatif (2) réalisent le déplacement relatif de telle manière que le pinceau (3) et/ou le composant est/sont guidé(s) le long d'un trajet de déplacement qui est défini et/ou peut être défini, de préférence le long d'un trajet de déplacement 3D.
  9. Système selon la revendication 8,
    caractérisé en ce que
    les moyens de déplacement relatif (2) sont réalisés comme dispositif de manutention qui guide le pinceau (3) le long d'un trajet de déplacement, notamment tridimensionnel, qui est défini et/ou peut être défini.
  10. Système selon la revendication 8 ou la revendication 9, caractérisé en ce que
    des moyens d'ajustement de débit volume qui sont reliés aux moyens de contrôle (5) en conduisant des signaux sont prévus afin de varier le débit volume de vernis protecteur pendant le déplacement relatif.
  11. Système selon l'une quelconque des revendications 8 à 10, caractérisé en ce que
    le pinceau (3) est fixé de manière amovible sur un support.
  12. Système selon l'une quelconque des revendications 8 à 11, caractérisé en ce que
    le pinceau (3) comprend une pluralité de poils (13), de préférence de longueurs et/ou épaisseurs et/ou matières différentes.
  13. Système selon l'une quelconque des revendications 8 à 12, caractérisé en ce
    qu'une ouverture de sortie (15) pour le vernis protecteur est disposée en retrait par rapport à une extrémité avant du pinceau.
  14. Système selon l'une quelconque des revendications 8 à 13, caractérisé en ce que
    les moyens de déplacement relatif sont réalisés afin d'aligner le pinceau (3) de telle manière que ledit pinceau (3) est déplacé par rapport au composant dans une direction de déplacement relatif (R) changeante pendant l'application afin d'appliquer le vernis protecteur (19) et le pinceau (3) est et/ou reste incliné par rapport à la direction de déplacement relatif (R), de telle manière qu'un axe longitudinal (L) du pinceau, notamment un axe central longitudinal (L) du pinceau et la direction de déplacement relatif (R) forment un angle inférieur à 90°.
  15. Système selon l'une quelconque des revendications 8 à 14, caractérisé en ce que
    le dispositif a des moyens d'aspiration servant à aspirer des émissions qui résultent de l'application du vernis protecteur.
EP17155627.7A 2016-04-11 2017-02-10 Procédé et dispositif d'application sélective de vernis protecteur Active EP3235399B1 (fr)

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CN112808547A (zh) * 2019-11-15 2021-05-18 众鼎瑞展电子科技(深圳)有限公司 一种笔式涂布方法
CN114345615B (zh) * 2021-12-01 2023-03-10 浏阳市兴旺出口烟花制造有限公司 一种组合烟花加工用组盆刷胶装置

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Publication number Priority date Publication date Assignee Title
DE4438799A1 (de) * 1994-10-18 1996-04-25 Atotech Deutschland Gmbh Verfahren zum Beschichten elektrisch nichtleitender Oberflächen mit Metallstrukturen
DE10149892A1 (de) * 2001-10-10 2003-04-17 Thorsten Koras Verfahren zum partiellen Aufbringen einer Beschichtung auf eine Metalloberfläche mittels einer Oberflächenbehandlung
WO2015041831A1 (fr) * 2013-09-20 2015-03-26 Nabors Industries, Inc. Appareil d'enrobage de tuyaux

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