EP3215280A1 - System und verfahren zur lokalen oberflächenbehandlung - Google Patents
System und verfahren zur lokalen oberflächenbehandlungInfo
- Publication number
- EP3215280A1 EP3215280A1 EP15808702.3A EP15808702A EP3215280A1 EP 3215280 A1 EP3215280 A1 EP 3215280A1 EP 15808702 A EP15808702 A EP 15808702A EP 3215280 A1 EP3215280 A1 EP 3215280A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bath
- surface treatment
- treatment
- box
- workpiece
- 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.)
- Granted
Links
- 238000004381 surface treatment Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 23
- 238000011282 treatment Methods 0.000 claims abstract description 94
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000576 coating method Methods 0.000 description 5
- 238000007598 dipping method Methods 0.000 description 5
- 238000007743 anodising Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C25D11/022—Anodisation on selected surface areas
-
- 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
- C25D5/026—Electroplating of selected surface areas using locally applied jets of electrolyte
-
- 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
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/005—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material incorporating means for heating or cooling the liquid or other fluent material
-
- 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
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/09—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles
- B05C3/109—Passing liquids or other fluent materials into or through chambers containing stationary articles
-
- 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
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/20—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material for applying liquid or other fluent material only at particular parts of the work
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/08—Apparatus, e.g. for photomechanical printing surfaces
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/02—Tanks; Installations therefor
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
-
- 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
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
-
- 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
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/04—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
-
- 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
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/12—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length
-
- 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
-
- 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
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/02—Heating or cooling
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/06—Filtering particles other than ions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/10—Agitating of electrolytes; Moving of racks
Definitions
- the invention relates to systems and methods for local surface treatment of industrial parts.
- the invention relates to systems and methods for local treatment of metal parts intended for aeronautical use.
- the treatment of the surfaces of parts consists in applying one or more treatment products to the surface of a part to form a coating, the purpose of which is to improve the protection of the part, for example against corrosion, better chemical or mechanical resistance, etc., or a change in the external appearance of the part, for example by applying a layer of paint.
- the coating is formed by applying the treatment products to the part by soaking said piece in one or more baths each comprising a treatment product.
- the baths are located in tanks adapted to the size of the room to be treated. This soaking process is already proven in the field of aeronautics and allows the obtaining of qualified coatings in accordance with the constraints of this field, in particular in terms of performance and environmental constraints.
- devices allow the local application of a treatment product by the use of pads soaked with this treatment product, Nevertheless, these devices are used by manual application on the part of the workpiece. Thus the application times are long and poorly compatible with a series production line. Moreover, the manual application is not very reproducible, and can generate coulures likely to polish and degrade areas peripheral to those treated. Finally, these applications have not been systematically certified in the aeronautical field, and therefore can not be used to form certain types of coatings.
- this solution requires expensive investments, particularly because of the equipment used (automated means, controlled atmosphere systems, plasma torches, etc.), and has not been certified in the aeronautical field.
- this solution can only be used on the production site and not for direct repair on another site.
- the invention aims to overcome at least some of the disadvantages of known local surface treatment systems and methods.
- the invention also aims to provide, in at least one embodiment of the invention, a system and a method of local surface treatment that allow local processing of large parts.
- the invention also aims to provide, in at least one embodiment, a system and a method of local surface treatment that allow a local treatment does not question the quality of the formed coating, compared to a bath dipping.
- the invention also aims to provide, in at least one embodiment of the invention, a system and method for local mobile surface treatment, that is to say that can be moved and used on a production site, a repair site, a maintenance site, etc.
- the invention also aims to provide, in at least one embodiment, a system and a method of local surface treatment guaranteeing the absence of run-off of treatment product on surfaces that do not require treatment.
- the invention also aims to provide, in at least one embodiment, a system and method for local surface treatment that can be used on series production lines.
- the invention also aims to provide, in at least one embodiment, a high performance surface treatment system and method,
- the invention also aims to provide, in at least one embodiment, an inexpensive local surface treatment system and method.
- the invention relates to a local surface treatment system of an aeronautical part to be treated, characterized in that it comprises:
- At least one bath box adapted to delimit a sealed space between this bath box and a part of the workpiece, a controlled circuit supplying said sealing space with treatment product of at least one reservoir, connecting the reservoirs to said reservoir watertight space and comprising valves for managing the supply of the sealed space by one or more reservoirs of the plurality of tanks.
- An aircraft part is a part mounted on an aircraft or intended to be mounted on an aircraft.
- a surface treatment system iocal according to the invention therefore allows the treatment of a workpiece with a treatment product by directly providing a bath to the room to be treated with the bath box that allows apply the treatment product to the part of the part that it is desired to treat.
- the bath box also allows the application of the treatment product in different situations, especially on a part of a room facing the ground. The tightness of the sealed space defined by the box avoids run-off on other parts of the workpiece that do not require treatment.
- the local surface treatment system allows the use of treatment products identical to those used in bath dipping techniques for local application.
- the local surface treatment system according to the invention does not call into question the quality and the possible certifications of the treatment with respect to bath dipping.
- the speed, cost and energy consumption of the local treatment system of surface are substantially equivalent to bath dipping of the prior art.
- the local surface treatment system is suitable for mass production, and may be automated, for example by using robotic arms to bring the bath box to the surface to be treated.
- the treatment products used are, for example, products that make it possible to limit the risks and the effects of corrosion, to facilitate the subsequent application of another treatment product, to bring an aesthetic quality to the part to be treated, to improve chemical and mechanical resistance to environmental conditions, etc.
- the use of a bath box also makes it possible to carry out local treatment on parts of any size, and in particular for example directly on an aircraft at a maintenance or repair site, without having to isolate the part to be treated.
- the shape of the bath box can be adapted for the treatment of parts to be treated of different shapes, for example flat, curved or cylindrical (especially for piping).
- At least one bath box in particular each bath box, comprises a wall having an opening, adapted to cover the part of the piece to be treated so that the sealed space is delimited by the wall of the bath box on the one hand, and the part of the workpiece on the other hand.
- the opening allows an arrangement of the box on the part of the part to be treated, this part of part playing the role of closing the box to form I sealed space.
- the opening is surrounded by seals.
- the seals make it possible to improve the tightness of the sealed space, in order to avoid run-off of the treatment product on parts of the part which must not be treated by the treatment product.
- At least one bath box in particular each bath box, comprises a device for regulating the temperature in the sealed space, said regulating device comprising heating means and means for measuring the temperature. temperature.
- the device allows the regulation of the temperature inside the sealed space, for example if the treatment product needs to be used under particular temperature conditions, or to check the temperature. smooth treatment inside the sealed space by controlling the temperature or variations in temperature.
- At least one bath box in particular each bath box, comprises means for agitating the treatment product in the sealed space.
- the stirring means make it possible to homogenize the treatment product to allow the same application throughout the part of the part to be treated.
- the aeronautical part is a large part.
- large part is meant a piece whose dimensions are large compared to a human operator, difficult to manipulate or not manipulable or man uvrable by a human operator because of its large size and generally requiring the use of robotic elements such as robotic arms to be manipulated.
- the size of large parts In particular, it requires maneuvering or maneuvering in suitable spaces and equipment, such as sheds.
- an aeronautical piece of large dimensions is for example the elements of a cell of an aircraft, that is to say a fuselage, a wing (or wing), a tail, or the complete cell itself. same, when the aircraft is assembled.
- a system according to the invention comprises a plurality of bath boxes adapted to delimit a plurality of sealed spaces between the plurality of bath boxes and a plurality of parts of the workpiece.
- the presence of a plurality of bath boxes allows the simultaneous application of the same treatment product, or a mixture of treatment products, to several parts of the workpiece. This greatly improves the speed of surface treatment, by simultaneous treatment, using a single system for all treatments to be performed.
- the bath boxes may have different shapes to adapt to pieces to be treated of different shapes.
- a system according to the invention comprises an electrical generator comprising a negative pole connected to at least one bath box, in particular each bath box, and a positive pole connected to the workpiece.
- the generator allows the anodizing treatments of the part, particularly when the piece is metallic, the part playing the role of an anode and the bath box playing the role of a cathode, and the treatment product being an electrolytic solution filling the sealed space between the workpiece and the bath box during the anodizing treatment.
- the negative pole is connected to the bath box for example by means of a connector screwed into the wall of the bath box.
- a system according to the invention comprises a filtration device arranged on the controlled supply circuit.
- the filtration device allows the depollution a treatment product already used before re-injecting it into the feed circuit.
- the invention also relates to a method of local surface treatment of an aeronautical part to be treated, comprising a step of applying at least one treatment product to a part of the part to be treated, characterized in that it comprises prior to the application stage:
- the local treatment process according to the invention is implemented. by the local treatment system according to the invention.
- the local processing system according to the invention implements the local treatment method according to the invention.
- the invention also relates to a local treatment system and a local treatment method characterized in combination by all or some of the characteristics mentioned above or below.
- the invention is suitable for any part to be subjected to a surface treatment, whatever the field concerned and in particular the parts intended for aeronautical, naval, automobile, railway, etc. applications.
- FIG. 1 is a schematic sectional view of a local surface treatment system according to a first embodiment of the invention
- FIG. 2 is a schematic sectional view of a local processing system of FIG. surface according to a second embodiment of the invention
- Figure 3 is a schematic view of a local surface treatment method according to one embodiment of the invention.
- Figure 1 shows schematically in section a system 100 of local surface treatment of a portion 101a, 101b of a workpiece 1 to be treated according to a first embodiment of the invention.
- the system 100 allows the treatment of a workpiece 1 to be treated with treatment products 22, 23, 24, 25, each treatment product 22, 23, 24, 25 being respectively stored in a reservoir 18, 19, 20, 21.
- the part 1 to be treated is for example a metal part forming part of an aircraft.
- the local treatment system 100 comprises one or more bath boxes, for example two boxes 102a, 102b to bath in this first embodiment, each being located on a face of the part 1 to be treated.
- Each box 102a, 102b bath delimits a sealed space 26a, 26b between walls 7a, 7b of each box 102a, 102b bath and the portion 101a, 101b of the workpiece.
- Each box 102a, 102b bath includes an opening adapted to cover the portion 101a, 101b of the workpiece so as to close the space 26a, 26b sealed.
- sealing joints 8 to prevent the flow of one of the treatment products on other areas of the workpiece that the portion 101a, 101b of the workpiece.
- These sealing seals 8 can be made for example by means of an adhesive masking tape adhesive allowing the protection of the workpiece 1 to be treated, or by electromagnetic suction pads, allowing the connection with the workpiece 1 to be treated, covered with 'an elastomeric material allowing sealing, or thanks to a mechanical assembly compressing a seal.
- the reservoirs 18, 19, 20, 21 are connected to each sealed space 26a, 26b by a controlled supply circuit.
- the controlled supply circuit comprises a set of valves, here solenoid valves 35 allowing the supply of one or more sealed spaces 26a, 26b of products 22, 23, 24, 25 of treatment coming from one or more tanks 1S. , 19, 20, 21.
- the products 22, 23, 24, 25 of treatment are transported in the supply circuit by means of pumps 33, one per tank, and connected to the tanks by conduits 14, 15, 16, 17, a programmable controller 34 controls the opening and closing of the solenoid valves 35 and the operation of the pumps 33 (on / off, flow, etc.),
- the controlled supply circuit 10 is connected to the spaces 26a, 26b sealed by conduits 9a, 9b of supply and extraction. These conduits 9a, 9b of supply and extraction through the walls 7a, 7b boxes 102a, 102b bath to allow the supply of sealed spaces 26a, 26b product 22, 23, 24, 25 treatment.
- the extraction of the treatment products is carried out by the conduits 9a, 9b of supply and extraction through divers 38, or by a simple extraction plug (not shown) and by playing on the relative slope of the bath box for the total extraction of the product 22, 23, 24, 25 of treatment present in the sealed space 26a, 26b, Two additional additional supply and extraction ducts 9c and 9d are shown, having the same characteristics that the ducts 9a, 9b of supply and extraction.
- the additional duct 9d supply and extraction is connected for example to a bath box not shown, and the additional duct 9c supply and extraction is equipped with a filter device comprising for example a filter and a de-oiler (not shown) and allowing for example to clean up a treatment product already used before returning it to the feed circuit.
- a filter device comprising for example a filter and a de-oiler (not shown) and allowing for example to clean up a treatment product already used before returning it to the feed circuit.
- the local surface treatment system 100 makes it possible to perform different types of local treatments in the room 1 to be treated.
- the reservoirs 18, 19, 20, 21 contain different types of products 22, 23, 24, 25 of treatment, for example, in this embodiment:
- the reservoir 18 comprises an alkaline degreasing product 22
- the reservoir 19 comprises demineralized water 23
- the reservoir 20 comprises a stripping product 24 composed of sodium acid
- the reservoir 21 comprises a deoxidation product.
- Other tanks not shown may contain other types of treatment products.
- the system 100 comprises an electric generator 2, a negative pole is connected to the walls of the boxes 102a, 102b bath via 6 points of connection to the boxes and through cables 3 of cathode, and a positive pole is connected to the workpiece 1 to be treated via a point 5 of connection to the workpiece and through anode cables 4,
- the boxes 102a, 102b bath form cathodes and the piece 1 to be treated forms an anode for anodizing treatment.
- the sealed spaces 26a, 26b are filled with a treatment product acting as an electrolytic solution.
- the power supply of the electric generator is read by an ammeter 32, and its voltage is read a voltmeter 31.
- each bath box 102a, 102b comprises:
- heating means here an electrical resistance 12 supplied by a current generator 11, for heating the treatment product present in the sealed space
- temperature measuring means here a temperature sensor 27, for measuring the temperature, and forming with the resistor 12 a temperature control device, a timer 28, for measuring the application time of the treatment product ,
- stirring means here a filtered air agitator 29 for homogenizing the treatment product
- nozzles 36 for spraying, allowing the spraying of product of treatment on the part of the part to be treated,
- a temperature control system 37 immersed in the bath and designed with components resistant to the treatment products used.
- the reservoirs 18, 19, 20, 21 may also each comprise such sensors and / or equipment, such as, for example, a resistor 12, a temperature probe 27 and a temperature control system 37.
- FIG. 2 schematically represents in section a surface treatment system 104 according to a second embodiment.
- This second embodiment includes elements of the first embodiment described in Figure 1. The elements already described above are not described again and have the same references. The different elements are described below.
- a single box 105 bath is shown, allowing the treatment of a workpiece 106 to be cylindrical, for example a pipe element.
- the workpiece 106 to be treated is surrounded by the bath box 105, and the bath box 105 comprises a wall formed of two portions 7c and 7d, joined by seals 8, for example electromagnetic suction cups. Fixing the two portions 7c, 7d of the wall is further reinforced by the addition of clamps 40 fixing.
- the piece 106 to be cylindrical is inserted into the bath box by a circular opening of the same diameter as the piece 106 to be cylindrical, not visible in the sectional view. For reasons of readability in the sectional representation of FIG.
- connection point 5 can also be located on a metal support of the part (not shown) on which the workpiece rests during processing.
- FIG. 3 schematically represents a method 107 of local surface treatment according to an embodiment of the invention
- the local treatment method 107 surface comprises a step 108 of setting up a bath box on the workpiece, so as to delimit a sealed space 26, 26a, 26b as shown in Figures 1 and 2, between the bath box and the part of the room to be treated.
- the surface treatment method 107 then comprises a step 109 of supplying the sealed space with a treatment product, through the controlled supply circuit as shown in FIGS. 1 and 2, then a step 110 application of the treatment product on a part of the workpiece.
- the number of tanks and bath boxes in the system may vary according to the needs, as well as the number and type of treatment products used, the number of sensors and devices present on the bath boxes in the systems. sealed spaces delimited by these bath boxes, and / or tanks, etc.
- the plurality of bath boxes can make it possible simultaneously to treat several parts of the same workpiece but also several parts of different workpieces, which makes it possible, for example, to speed up the rate of production in the workpiece. frame of a series production allowing the treatment of several parts simultaneously.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Coating Apparatus (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1460663A FR3027826B1 (fr) | 2014-11-05 | 2014-11-05 | Systeme et procede de traitement local de surface |
PCT/FR2015/052977 WO2016071633A1 (fr) | 2014-11-05 | 2015-11-04 | Système et procédé de traitement local de surface |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3215280A1 true EP3215280A1 (de) | 2017-09-13 |
EP3215280B1 EP3215280B1 (de) | 2019-01-09 |
Family
ID=52021382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15808702.3A Active EP3215280B1 (de) | 2014-11-05 | 2015-11-04 | Vorrichtung sowie verfahren zur lokalen oberflächenbehandlung |
Country Status (4)
Country | Link |
---|---|
US (1) | US20180195191A1 (de) |
EP (1) | EP3215280B1 (de) |
FR (1) | FR3027826B1 (de) |
WO (1) | WO2016071633A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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NL2017127B1 (nl) * | 2016-07-07 | 2018-01-15 | Patricia Martina Maria Van Wieringen | Doseerinrichting voor het doseren van een afdichtmiddel voor het afdichten van een wand van een riool, systeem voorzien van de doseerinrichting, toepassing van de doseerinrichting, werkwijze voor het afdichten van een riool en een riool verkregen door de werkwijze |
EP3530776B1 (de) | 2018-02-26 | 2020-07-08 | Cockerill Maintenance & Ingenierie S.A. | Anlage und verfahren zur lokalisierten oberflächenbehandlung von industriellen werkstücken |
DE102021214987A1 (de) * | 2021-12-23 | 2023-06-29 | Dürr Systems Ag | Behandlungsanlage und Verfahren zum Behandeln von Werkstücken |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3420101A1 (de) * | 1983-08-08 | 1985-11-28 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur oberflaechenbehandlung von bauteilen |
US4750981A (en) * | 1986-09-30 | 1988-06-14 | The Boeing Company | Apparatus for electroplating limited surfaces on a workpiece |
DE29813977U1 (de) * | 1998-08-05 | 1998-11-26 | Behr Automotive GmbH, 73240 Wendlingen | Vorrichtung zur Oberflächenbeschichtung eines Innenausbauteiles für Fahrzeuge sowie mittels der Vorrichtung hergestelltes Innenausbauteil |
US6254760B1 (en) * | 1999-03-05 | 2001-07-03 | Applied Materials, Inc. | Electro-chemical deposition system and method |
US6203551B1 (en) * | 1999-10-04 | 2001-03-20 | Advanced Cardiovascular Systems, Inc. | Chamber for applying therapeutic substances to an implant device |
US6254921B1 (en) * | 1999-12-08 | 2001-07-03 | Surmodics, Inc. | Coating process and apparatus |
JP2005324114A (ja) * | 2004-05-14 | 2005-11-24 | Yuushin Kk | 表面処理治具と表面処理方法 |
US9044774B2 (en) * | 2007-12-18 | 2015-06-02 | Intermolecular, Inc. | Vented combinatorial processing cell |
FR2971719B1 (fr) * | 2011-02-22 | 2014-01-24 | Dassault Aviat | Dispositif d'enduction d'un objet saillant par un produit fluide, ensemble de distribution et de procede associes |
GB2491799A (en) * | 2011-03-03 | 2012-12-19 | S & T Systems Ltd | Locking of threaded fasteners |
TWI551725B (zh) * | 2012-05-22 | 2016-10-01 | 隔板式沉積裝置 |
-
2014
- 2014-11-05 FR FR1460663A patent/FR3027826B1/fr active Active
-
2015
- 2015-11-04 WO PCT/FR2015/052977 patent/WO2016071633A1/fr active Application Filing
- 2015-11-04 US US15/524,737 patent/US20180195191A1/en not_active Abandoned
- 2015-11-04 EP EP15808702.3A patent/EP3215280B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
FR3027826A1 (fr) | 2016-05-06 |
EP3215280B1 (de) | 2019-01-09 |
WO2016071633A1 (fr) | 2016-05-12 |
FR3027826B1 (fr) | 2018-11-02 |
US20180195191A1 (en) | 2018-07-12 |
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