EP2915590A1 - Procédé et dispositif de recouvrement partiel d'une zone de composant d'un composant - Google Patents

Procédé et dispositif de recouvrement partiel d'une zone de composant d'un composant Download PDF

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Publication number
EP2915590A1
EP2915590A1 EP15157092.6A EP15157092A EP2915590A1 EP 2915590 A1 EP2915590 A1 EP 2915590A1 EP 15157092 A EP15157092 A EP 15157092A EP 2915590 A1 EP2915590 A1 EP 2915590A1
Authority
EP
European Patent Office
Prior art keywords
component
cover
container
seal
blisk
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
Application number
EP15157092.6A
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German (de)
English (en)
Other versions
EP2915590B1 (fr
Inventor
Robert Winsy
Manuel Hertter
Wolfgang Wachter
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.)
MTU Aero Engines AG
Original Assignee
MTU Aero Engines AG
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Publication date
Application filed by MTU Aero Engines AG filed Critical MTU Aero Engines AG
Publication of EP2915590A1 publication Critical patent/EP2915590A1/fr
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Publication of EP2915590B1 publication Critical patent/EP2915590B1/fr
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Classifications

    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/01—Selective coating, e.g. pattern coating, without pre-treatment of the material to be coated

Definitions

  • the invention relates to a device for partially covering a component region of a component according to the preamble of claim 1.
  • the invention further relates to a method for partially covering a component region of a component according to the preamble of claim 8.
  • Components in particular engine components, have to be coated in certain places in order, for example, to have improved durability.
  • the components are masked before coating, so that only the area to be coated remains free.
  • flexible masks for example made of silicone rubber can be used, which follow each contour, as in the document DE 199 19 054 A1 was disclosed.
  • certain layers can only be applied to the component with certain coating methods, such as thermal spraying.
  • the silicone rubber can withstand only temperatures up to 200 ° C, but the spray mist produced during thermal spraying has significantly higher temperatures, so that the spray mist burns through the silicone rubber and can reach the sensitive component.
  • the present invention is based on the object to present an apparatus and a method in which no coating material reaches undesired areas of the component to be coated.
  • the object is solved by the features of claim 1.
  • the object is further achieved by the features of claim 8.
  • the invention relates to a device for partially covering a component region of a component or a component group for a coating process.
  • the device comprises at least one rigid cover element, a flexible seal being arranged in a gap formed between the cover element and the component.
  • the seal is temperature resistant to a temperature of at least 400 ° C.
  • the device is particularly suitable for thermal spraying and less reject components arise when using this device.
  • the seal includes ceramic fiber paper.
  • the ceramic fiber paper can be self-adhesive.
  • the paper may further include alumina fiber and aluminosilicate fiber, in particular, the Al 2 O 3 fiber and / or the Al 2 O 3 -SiO 2 fiber may include sodium oxide and / or potassium oxide.
  • the gasket may alternatively or in combination include zirconia and / or iron oxide. This is particularly advantageous since this paper tolerates temperatures of over 1000 ° C. Since the paper is easily moldable and cuttable, tolerance variations and out-of-roundness of the component can be easily compensated.
  • the gap which forms between the component and the cover element is sealed in such a way that no spray particles reach the components, in particular airfoils. This effectively prevents that in the worst case, the components would have to be scrapped.
  • the device comprises a container for receiving at least a part of the component, wherein the container has a bottom and two side walls.
  • the cover is attachable to at least one of the two side walls, so that the cover covering a non-coated area of the component.
  • the cover can be applied as a lid to the container. In this case, a part of the component between the cover and the lid can be arranged.
  • the container and the cover are annular, wherein the inner diameter of the cover is greater than the inner diameter of the container.
  • blisks bladed disks
  • blings bladed ring
  • a blisk is a disk on whose outer diameter radially outwardly arranged blades are integrally formed.
  • a Bling is a ring, on whose outer diameter radially outwardly arranged blades are integrally formed.
  • FIG. 1 shows a plan view of the inventive device 2, a container 4, a first cover 6 and a second cover 8 (only in FIG. 2 shown).
  • the FIG. 2 shows a section through the device 2 according to the invention together with inserted component 20 along the line AA in FIG. 1
  • the sectionally U-shaped container 4 has a in the FIG. 2 vertically extending and annular inner side wall 10 and one in the FIG. 2 vertically extending and annular outer side wall 12, which has a in the FIG. 2 substantially horizontally extending floor 14 are interconnected.
  • the inner side wall 10 has an inner radius R I and the outer side wall 12 has an outer radius R A , wherein the inner radius R I is smaller than the outer radius R A.
  • the upper end of the inner side wall 10 projects radially inwardly and thus forms an annular collar 16 with a support 18 extending horizontally here, so that there the radius R K is smaller at the level of the collar than the inner radius R I.
  • a component to be coated may be, for example, a blisk 20.
  • the blisk 20 comprises, from the outside inwards, a plurality of essentially radially extending airfoils 22, a disk 24, on the lateral surface of which the airfoils 22 are integrally formed, and a hub 26 with an opening 28 for receiving an engine shaft, not shown.
  • the hub 26 is arranged centrally to the disc 24 and axially slightly thicker than the disc 24. Between the airfoil 22, 22 'and the disc 24 extends axially a cone 25 with a rubbing portion 27 for a guide vane, not shown.
  • the device 2 is now designed for this component 20 so that the collar radius R k is smaller than the radius of the opening 28 and the inner radius R I is greater than the radius of the opening 28.
  • the inner radius R I may be smaller as the radius of the opening 28, in which case no radially inwardly projecting collar is needed, but one formed on the inner side wall 10 and radially outwardly extending shoulder.
  • the upper surface of the shoulder then forms another support, not shown, for receiving the hub 26 of the blisk 20.
  • the blisk 20 Before the blisk 20 can be coated at certain points, in particular the rubbing area 27, the blisk 20 is placed in the container 4 in such a way that the hub 26 lies on the support 18 of the container 4. Between the support 18 and the hub 26, a first seal 30 may be arranged. Between the hub 26 and the collar 16 may also be provided a seal (not shown). In the area of the inner side wall 10, no high temperatures are to be expected, so that these two seals can be elastic O-rings or can be made of plastic. Thus, the blisk 20 is in the container 4 and runs in FIG. 2 horizontally, so that the blades 22, 22 'seem to float. Next, the annular first cover member 6 on the outer side wall 12 of the container 4 - here with screws 30 - fixed.
  • annular cover plate 32 protrudes radially inwardly to the blisk 20.
  • the cover plate 32 may be made of metal.
  • the cover plate 32 can cover only a few blades (as in FIG. 1 shown) or a closed ring, so that at the same time all the blades 22, 22 'are covered.
  • the cover plate 32 is disposed over the blades 22, 22 'and ends below the abradable portion 27, which is to be coated later. At this point, later because of the coating process, the coating particles temperatures of about 400 ° C, so that the gap S can be sealed only by a temperature-resistant seal 34.
  • This temperature-resistant seal 34 may be made of ceramic fiber paper.
  • a second cover element 8 can be arranged above the abutting region 27, so that only the abutting region 27 remains free. Between the second cover member 8 and the cone 25, a gap, not shown, arise, which must also be sealed with a temperature-resistant seal.
  • the abutting region 27 is then coated with a stiffening coating, preferably by means of thermal spraying, such as arc spraying, plasma spraying, high-speed flame spraying and / or laser-beam cleaning.
  • thermal spraying such as arc spraying, plasma spraying, high-speed flame spraying and / or laser-beam cleaning.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Paper (AREA)
EP15157092.6A 2014-03-06 2015-03-02 Procédé et dispositif de recouvrement partiel d'une zone de composant d'un composant Active EP2915590B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014204117.1A DE102014204117A1 (de) 2014-03-06 2014-03-06 Verfahren und Vorrichtung zum partiellen Abdecken eines Bauteilbereichs eines Bauteils

Publications (2)

Publication Number Publication Date
EP2915590A1 true EP2915590A1 (fr) 2015-09-09
EP2915590B1 EP2915590B1 (fr) 2019-05-08

Family

ID=52633101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15157092.6A Active EP2915590B1 (fr) 2014-03-06 2015-03-02 Procédé et dispositif de recouvrement partiel d'une zone de composant d'un composant

Country Status (2)

Country Link
EP (1) EP2915590B1 (fr)
DE (1) DE102014204117A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015203729A1 (de) * 2015-03-03 2016-09-22 MTU Aero Engines AG Vorrichtung und Verfahren zum partiellen Abdecken einer Bauteilzone eines Bauteils
DE102015117424A1 (de) 2015-10-13 2017-04-13 Rolls-Royce Deutschland Ltd & Co Kg Abdeckvorrichtung zur Anbringung an einem Bauteil

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB871577A (en) * 1957-02-27 1961-06-28 Carborundum Co Ceramic fibre products and method and apparatus for manufacture thereof
DE19919054A1 (de) 1999-04-27 2000-11-02 Mtu Muenchen Gmbh Abdeckung für eine Bauteiloberfläche
US6224673B1 (en) * 1999-08-11 2001-05-01 General Electric Company Apparatus for masking turbine components during vapor phase diffusion coating
US6253441B1 (en) * 1999-04-16 2001-07-03 General Electric Company Fabrication of articles having a coating deposited through a mask
DE10233492A1 (de) * 2001-08-02 2003-11-06 Gen Electric Verfahren und Vorrichtung zum Beibehalten eines inneren Überzuges während einer Gegenstandsreparatur
EP1388592A1 (fr) * 2002-07-31 2004-02-11 METAPLAS IONON Oberflächenveredelungstechnik GmbH Procédé et installation d'isolement d'une zone superficielle d'une pièce
WO2009100706A1 (fr) * 2008-02-14 2009-08-20 Mtu Aero Engines Gmbh Procédé et dispositif de revêtement partiel d'éléments
EP1762303B1 (fr) 2005-09-09 2012-10-17 Siemens Aktiengesellschaft Procédé pour préparer des aubes de turbine en vue de leur revêtement par pulvérisation et support pour fixer de telles aubes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4031794B2 (ja) * 2002-08-02 2008-01-09 三菱重工業株式会社 遮熱皮膜施工方法，マスキングピン及び燃焼器尾筒
DE10351168A1 (de) * 2003-11-03 2005-06-02 Mtu Aero Engines Gmbh Verfahren zum teilweisen Beschichten von Bauteiloberflächen mittels thermischem Spritzen
EP1582694A1 (fr) * 2004-04-02 2005-10-05 Siemens Aktiengesellschaft Procédé de protection des ouvertures dans un component pendant le traitement
EP1808236A1 (fr) * 2006-01-16 2007-07-18 Siemens Aktiengesellschaft Procédé pour masquer des trous de refroidissement, en particulier d'aubes de turbine
DE102008048127A1 (de) * 2008-09-20 2010-03-25 Mtu Aero Engines Gmbh Vorrichtung und Verfahren zum Maskieren einer Bauteilzone
DE102008053394A1 (de) * 2008-10-27 2010-04-29 Mtu Aero Engines Gmbh Vorrichtung zum partiellen Abdecken einer Bauteilzone

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB871577A (en) * 1957-02-27 1961-06-28 Carborundum Co Ceramic fibre products and method and apparatus for manufacture thereof
US6253441B1 (en) * 1999-04-16 2001-07-03 General Electric Company Fabrication of articles having a coating deposited through a mask
DE19919054A1 (de) 1999-04-27 2000-11-02 Mtu Muenchen Gmbh Abdeckung für eine Bauteiloberfläche
US6224673B1 (en) * 1999-08-11 2001-05-01 General Electric Company Apparatus for masking turbine components during vapor phase diffusion coating
DE10233492A1 (de) * 2001-08-02 2003-11-06 Gen Electric Verfahren und Vorrichtung zum Beibehalten eines inneren Überzuges während einer Gegenstandsreparatur
EP1388592A1 (fr) * 2002-07-31 2004-02-11 METAPLAS IONON Oberflächenveredelungstechnik GmbH Procédé et installation d'isolement d'une zone superficielle d'une pièce
EP1762303B1 (fr) 2005-09-09 2012-10-17 Siemens Aktiengesellschaft Procédé pour préparer des aubes de turbine en vue de leur revêtement par pulvérisation et support pour fixer de telles aubes
WO2009100706A1 (fr) * 2008-02-14 2009-08-20 Mtu Aero Engines Gmbh Procédé et dispositif de revêtement partiel d'éléments

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015203729A1 (de) * 2015-03-03 2016-09-22 MTU Aero Engines AG Vorrichtung und Verfahren zum partiellen Abdecken einer Bauteilzone eines Bauteils
US9920411B2 (en) 2015-03-03 2018-03-20 MTU Aero Engines AG Device and method for partially masking a component zone of a component
DE102015117424A1 (de) 2015-10-13 2017-04-13 Rolls-Royce Deutschland Ltd & Co Kg Abdeckvorrichtung zur Anbringung an einem Bauteil
EP3156135A1 (fr) 2015-10-13 2017-04-19 Rolls-Royce Deutschland Ltd & Co KG Dispositif de recouvrement a monter sur un composant

Also Published As

Publication number Publication date
EP2915590B1 (fr) 2019-05-08
DE102014204117A1 (de) 2015-10-15

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