EP3774165A1 - Vorrichtung und verfahren zum entfernen von beschichtungsmaterial aus öffnungen eines bauteils - Google Patents
Vorrichtung und verfahren zum entfernen von beschichtungsmaterial aus öffnungen eines bauteilsInfo
- Publication number
- EP3774165A1 EP3774165A1 EP19739955.3A EP19739955A EP3774165A1 EP 3774165 A1 EP3774165 A1 EP 3774165A1 EP 19739955 A EP19739955 A EP 19739955A EP 3774165 A1 EP3774165 A1 EP 3774165A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- cooling fluid
- area
- region
- reference point
- 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.)
- Pending
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 74
- 239000011248 coating agent Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 63
- 239000000463 material Substances 0.000 title claims description 47
- 239000012809 cooling fluid Substances 0.000 claims abstract description 133
- 230000008439 repair process Effects 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 13
- 238000001816 cooling Methods 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 239000013078 crystal Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910000601 superalloy Inorganic materials 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000012720 thermal barrier coating Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000009419 refurbishment Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/54—Controlling or regulating the coating process
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/5873—Removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
- B23P6/007—Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/28—Vacuum evaporation by wave energy or particle radiation
- C23C14/30—Vacuum evaporation by wave energy or particle radiation by electron bombardment
-
- 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
-
- 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
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- 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
- C23C4/18—After-treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/005—Repairing methods or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/06—Cooling passages of turbine components, e.g. unblocking or preventing blocking of cooling passages of turbine components
Definitions
- the present invention relates to a method for removing coating material from the cooling fluid openings of a component. Furthermore, the present invention relates to a device which can be used in the method according to the invention. Furthermore, the present invention relates to the use of the inventive method and measuring device according to the invention in the manufacture or repair of a component.
- Components that are exposed to a high level of mechanical stress and are exposed to a hot and corrosive medium are often made from high-temperature super alloys and are also provided with complex corrosion and / or oxidation-inhibiting coatings and / or heat-insulating coatings.
- such components are typically equipped with internaldefluidka channels, with the help of which cooling air can be passed through the construction part to quickly dissipate heat. If, in addition, a cooling air film is to be created over the surface of the component so that the surface is not directly exposed to the hot and corrosive medium, the components have cooling air holes through which cooling air is blown out of the interior of the component.
- the cooling air holes are at least partially closed by the coating material. They must therefore be opened again after the coating process has been completed. This can be done, for example, by selecting certain cooling air holes as reference holes and then before the coating process using a masking material on which the coating material is located clings badly, be locked. After coating, the masking material in the reference holes is then either removed manually or burned out if a burnt out masking agent is used. The position of the remaining holes is then determined based on the position of the reference holes. Then the further holes are opened again, for example by means of a laser program.
- a problem here is, however, that deviations in the position and orientation of the further channels may also be present when the design data of the component are present. This is due, for example, to different tolerances from different manufacturers. Furthermore, there may be a change in the geometry of the component during operation of the components. When repairing components that are already in use, it is therefore not possible to rely entirely on the design data.
- the invention relates to a
- Method for coating a component having a first region and a second region, where the first region comprises at least one cooling fluid opening with a cooling fluid channel adjoining it, and wherein the first region is to be coated with a coating material which is not in the second area to be brought up, the process being the following
- Steps include:
- step A) detection of the at least one reference point in the second region of the component and determination of the position of the at least one cooling fluid opening in the first region of the component by means of the first device from step A),
- the second device at least one detection device, at least one holding device and comprises at least one device for removing coating material in the area of the cooling fluid openings, the holding device being suitable for providing a direct or indirect, releasable fastening with the second area of the component,
- the at least one detection device is suitable for detecting at least one reference point in the second region, in order to use it to determine the position of the at least one reference point and / or to adapt the position of the component based on the reference point, the device for removing the coating material in the
- the area of the cooling fluid openings is suitable, based on the position and / or adapted position of the component determined by means of the detection device, to remove the coating material from the cooling fluid openings in order to restore the functionality of the cooling fluid channels.
- the first device can also be a device like the second device or the first device can be identical to the second device.
- the method according to the invention allows the cooling fluid openings to be opened with high precision without the need for manual steps such as opening reference openings. This not only simplifies and speeds up the process, it also allows, for example, data about the component to be obtained, which can later be used, for example, as part of process control to clearly identify and characterize the component.
- a reference point can represent a characteristic structure on the component or shape of the surface of the component, which are detected by means of a measuring device.
- the at least one ne reference point for example, also mechanically detected. For example, this can be done by probing a specific point in the second area of the component. This is particularly advantageous, since it can be used to make an exact statement about the reference point, such as, for example, its position in the internal coordinate system of the device used, with high precision and reliably using simple known means.
- the reference point can also be brought into contact by means of a component of the device, for example, and can be moved to a specific position.
- the invention relates to a
- the device for opening cooling fluid openings of a coated component, the component having a first region and a second region, the first region comprising at least one cooling fluid opening with a cooling fluid channel adjoining it, and wherein the first region has been coated with a coating material, which was not applied in the second area
- the device comprising at least one detection device, at least one holding device and at least one device for removing coating material in the area of the cooling fluid openings, the holding device being suitable for direct or indirect, releasable attachment to the second area of the
- the at least one detection device is suitable to detect at least one reference point in the second area in order to determine the position of the at least one reference point and / or based on the position of the component end to be adapted to the reference point
- the device being suitable for removing the coating material in the area of the cooling fluid openings, based on the position and / or adjusted position of the component determined by the detection device, specifically removing the coating material from the cooling fluid openings in order to ensure the functionality of the cooling fluid channels to restore.
- the invention relates to the use of the method according to the invention and / or a device according to the invention in the manufacture or repair of a component of a turbomachine comprising a fluid flow, the component comprising a first region and a second region, the first region of the component is provided with a coating and is suitable for being exposed to the fluid flow of the turbomachine.
- Figure 1 shows a flow diagram of the process according to the invention.
- the first device is a device such as the second device or the first device is identical to the second device. Due to the possibility of carrying out the method according to the invention with a very simply constructed device, the purchase price of the corresponding device is very low. This also allows a device as used in step F) to be used in an economically sensible manner for step B), even if components thereof are not required for step B). This offers advantages for the method, since, for example, no adaptation to another reference system
- the component is preferably suitable for its intended use, with no removal and / or modification of the reference point being necessary. Additionally or alternatively, it is preferred in further embodiments that the reference point is not provided for the method according to the invention. In particular, it is typically preferred that the reference point represents an already existing feature of the component.
- the at least one cooling fluid opening in the first region of the component in step B) serves as a reference opening, from which the position of at least one further cooling fluid opening in the first region of the component is derived.
- the mechanical detection of the reference point is surprisingly particularly advantageous. Reliability, speed and accuracy are particularly good.
- the detection of the at least one reference point is therefore preferably carried out by probing the reference point.
- the at least one reference point comprises at least one 6-point nest.
- the component can be advantageously aligned.
- the orientation of the component can be improved such that the device can be used to remove the coating material in the area of the cooling fluid openings with an improved angle.
- an improved quality of the cooling fluid openings which are ultimately retained and thus also of the flows of the cooling fluid which are passed through the cooling fluid channel can be achieved.
- the component is aligned in the first device and / or the second device in the respective step based on the detection of the at least one reference point in step B) and / or F). In particular, it is preferred that a corresponding alignment takes place in step F).
- fastenings proved to be particularly advantageous in which either a holding device is present in the device directly, which touches the surface of the second region of the component. Or are provided in the interior of the device fasteners on which a holding device that was attached to the component can be fixed.
- the direct, releasable fastening of the component in the first device and / or the second device is achieved by means of a holding device which is part of the first device and / or second device and touches the surface of the second region of the component, and / or the indirect, releasable fastening of the component by means of a holding device, which is temporarily connected to the first device and / or two device and the second region of the Touched component.
- the holding device used for the aforementioned indirect, releasable fastening is connected to the device such as the first device and / or second device only for the time of the method according to the invention.
- mobile holding devices can be used, which are connected to the component for the manufacturing process or repair process and are moved with this component between different stations of the process.
- the use of a mobile holding device has typically proven to be advantageous.
- the component is fastened to the holding device, which in turn is temporarily fixed in particular in the device according to the invention. This typically maintains at least one basic position and orientation of the component even when the component is removed from the device in the meantime.
- step B) damage to the cooling fluid openings or to the reference point can be corrected to a certain extent by means of fit processes.
- the data obtained in step B) are therefore preferably corrected using fit processes.
- corrections are made to the shape of the at least one reference point and the at least one cooling fluid opening in order, for example, to correct deviation from the ideal shape as a result of damage. This also allows, for example in the event of one-sided damage to the at least one cooling fluid opening, an exact determination of the intended position of the cooling fluid opening.
- step B it has typically proven to be advantageous to use data obtained in step B) in order to hereby create a data set relating to the relative position of the at least one cooling fluid opening with respect to the at least one reference point.
- a simple transfer of the data to another device can be carried out with this.
- the relative position of the at least one cooling fluid opening in the first region of the component with respect to the at least one reference point in the second region of the component is therefore preferably determined from the data obtained in step B).
- the relative position of the at least one cooling fluid opening can be used to in based on the absolute position of the at least one reference point
- Step F) to calculate the absolute position of the at least one cooling fluid opening in this step, even if it is covered by the coating.
- the method has the at least one cooling fluid opening a relative position with respect to the at least one reference point and an absolute position in the first device in step B) and in the second device in step F), and it is therefore preferably based on the relative position of the at least one cooling fluid opening in step B) and detection of the at least one reference point in step F), the absolute position of the at least one cooling fluid opening in step F) is determined, and it is based on the absolute position of the at least one Cooling fluid opening the removal of the coating material in step F).
- the position of further cooling fluid openings is determined, for example, on the basis of existing design data, such as CAD data, the cooling fluid opening whose position was actually used as the reference point.
- CAD data existing design data, such as CAD data
- the position of at least one further cooling fluid opening in the first region of the component is determined by the position of the at least one cooling fluid opening in the first region of the component obtained by means of the measuring device and the relative position of the at least one further cooling fluid opening based on design data, such as CAD Data, determined.
- one or more cooling fluid openings can be selected manually or automatically from the interpolated cooling fluid openings and their position can also be determined in the measuring method in step B).
- the position of at least one additional cooling fluid opening in the first region of the component is therefore preferably measured in step B) in order to manually or automatically, preferably automatically, with a position of a cooling fluid opening in the first region of the component interpolated by means of the construction data Compare measurement data. This allows, for example, potential errors in the design data to be detected, which may have arisen, for example, as a result of excessive component manufacturing tolerances.
- the automated testing of corresponding positions enables, for example, that in such a case the method is changed such that the position of all cooling fluid openings is determined in step B).
- the cooling fluid openings in the first area of the component can be successfully reopened in step F) without having to use the design data, which is not possible in this case.
- the speed of the method can be increased significantly by skillful selection of the interpolated and actually measured cooling fluid opening, without, however, appreciably impairing the accuracy.
- the rows comprise at least 5 cooling fluid openings and the position of at least one, preferably two, of the cooling fluid openings of the respective row is determined.
- the cooling fluid openings in the first region of the component are at least partially arranged in the form of rows comprising at least 5 cooling fluid openings and at least the position of the first, preferably the first and the last, cooling fluid opening of the rows is determined by means of the measuring device of the first device in Step B) determined.
- the coating to be removed is removed in the first region of the component before step B).
- the coating in the first area of the component is therefore preferably removed in the case of a repair before step B).
- the optional step C) is typically omitted here, unless it is established that further coating residues are present and must be removed.
- step B) regarding the position of the at least one cooling fluid opening are checked for usability and, if appropriate, the position of at least one further cooling fluid opening is determined.
- the at least one cooling fluid opening should serve as a reference point in order to obtain the exact position of the further cooling fluid opening based on construction data by means of interpolation. It had proven to be advantageous to check the measurement data obtained for the at least one cooling fluid opening. fen. If, for example, the exact position of the cooling fluid opening in question cannot be determined precisely enough as a result of damage, it has proven to be advantageous if an alternative reference opening is determined in this case.
- the first device in step B) and the second device in step F) had the same coordinate system. This significantly facilitates the transfer of the data received.
- the first device and the second device preferably have the identical coordinate system, more preferably the devices which are identical in construction in step B) and the second device in step F), and even more preferably it is the identical device.
- the fastening of the component at least in the device in step F) is movable in such a way that changes in the position of the component between step B) and F) with respect to the coordinate system of the device can be reversed.
- the storage can take place on a portable storage medium or a storage unit integrated into a network.
- the transportable storage unit can subsequently be connected to the second device, for example for step F), or the data obtained in step B) can be called up via a network connection from the storage unit integrated into the network.
- the first device is identical to the second device, it has typically proven advantageous to store the data externally. For example, this can ensure increased data security and even if the device is damaged between step B) and F), the data can be used for a device that is used as a replacement.
- the method according to the invention has proven to be particularly advantageous for the manufacture and repair of components of a turbomachine.
- the component is therefore preferably part of a turbomachine and the first region of the construction part is suitable for being set out of the fluid flow of the turbomachine.
- the component can in particular be any component of flow machines provided with cooling fluid openings.
- the cooling fluid openings typically serve as film cooling openings for cooling and protecting the corresponding component.
- the component is therefore preferably a blade or a heat shield. For example, this is a guide vane or moving blades.
- the component is therefore preferably selected from the group consisting of heat shields, guide vanes and rotor blades of a turbine and guide vanes and rotor blades of a compressor.
- corresponding components are made, at least in part, of high-temperature resistant alloy such as iron, nickel or cobalt-based superalloys.
- high-temperature resistant alloy such as iron, nickel or cobalt-based superalloys.
- superalloys are known, for example, from EP 1 204 776 B1, EP 1 306 454, EP 1 319 729 A1, WO 99/67435 or WO 00/44949.
- nickel super alloys are often used because they are advantageous for many applications are. It is further preferred here that the corresponding components are single-crystal (SX structure).
- Such single-crystalline workpieces follows e.g. by directional solidification from the melt. These are casting processes in which the liquid metallic alloy forms a single-crystal structure, i.e. to the single-crystalline workpiece, or solidified in a directed manner.
- dendritic crystals are aligned along the heat flow and either form a stem-crystalline grain structure (columnar, i.e. grains that run the entire length of the workpiece and here, according to general usage, are referred to as directionally solidified) or a single-crystal structure, i.e. the entire workpiece consists of a single crystal.
- a stem-crystalline grain structure columnumnar, i.e. grains that run the entire length of the workpiece and here, according to general usage, are referred to as directionally solidified
- a single-crystal structure i.e. the entire workpiece consists of a single crystal.
- directionally solidified structures If there is general talk of directionally solidified structures, this means both single crystals which have no grain boundaries or at most small-angle grain boundaries, and stem crystal structures which probably have grain boundaries running in the longitudinal direction but no transverse grain boundaries. These second-mentioned crystalline structures are also referred to as directionally solidified structures.
- the components can have coatings against corrosion or oxidation, eg. B. (MCrAIX; M is at least one element from the group iron (Fe), cobalt (Co), nickel (Ni), X is an active element and stands for yttrium (Y) and / or silicon zium and / or at least one element of the rare earth, or hafnium (Hf)).
- M is at least one element from the group iron (Fe), cobalt (Co), nickel (Ni)
- X is an active element and stands for yttrium (Y) and / or silicon zium and / or at least one element of the rare earth, or hafnium (Hf)).
- Y yttrium
- Hf hafnium
- EP 0486489 B1 EP 0786017 B1, EP 0412397 B1 or
- the density is preferably 95% of the theoretical density.
- the layer composition preferably has Co-30Ni-28Cr-8A1-0, 6Y-0, 7Si or Co-28Ni-24Cr-10Al-0, 6Y.
- nickel-based protective layers are also preferably used, such as Ni-10Cr-12Al-0, 6Y-3Re or Ni-12Co-21Cr-llAl-0, 4Y-2Re or Ni-25Co-17Cr-10A1-0, 4Y-1 , 5Re.
- a thermal insulation layer which is preferably the outermost layer, may also be present on the MCrAIX and consists, for example, of ZrCg, Y 2 ⁇ D 3 -Zr0 2 , ie it is not, partly or completely stabilized by yttrium oxide
- the thermal insulation layer covers the entire MCrAlX layer.
- Electron beam vaporization creates stem-shaped grains in the thermal barrier coating.
- the heat insulation layer can have porous, micro- or macro-cracked grains for better thermal shock resistance.
- the thermal barrier coating is therefore preferably more porous than that
- Refurbishment means that components may need to be stripped of protective layers after use (e.g. by sandblasting). The corrosion and / or oxidation layers or products are then removed. If necessary, cracks or other damage to the component are also repaired. The component is then recoated in order to reuse the component.
- the blade can be hollow or solid. If the blade is to be cooled, it is hollow and may have film cooling holes.
- the present invention relates to devices which are particularly well suited for carrying out the method according to the invention.
- the term device preferably refers to the second device of the method.
- the devices according to the invention can also be used as the first device.
- the device for removing the coating material is attached to a robot arm.
- the device for removing the coating material is therefore preferably selected from the group consisting of laser drills and mechanical drills, more preferably laser drills.
- the second device used in step F) has a measuring device. points, which is suitable to determine at least the position of the cooling fluid openings, more preferably to provide additional information on the quality of the removal of the coating material.
- the device preferably comprises a measuring device that is suitable for determining the position of the at least one cooling fluid opening.
- the holding device is therefore preferably movable and the movable holding device is suitable for providing a rotation of the component in the device by at least 210 °, preferably by at least 360 °, without having to release the holding device.
- These devices are typically geous before, because particularly high speeds of the method can be achieved for example for typical applications.
- Figure 1 shows a flow diagram of the method according to the invention.
- a component is machined the first one Includes area and a second area.
- the first area of the component has at least one cooling fluid opening with a cooling fluid channel adjoining it, this area being intended to be coated with a coating material.
- the second area of the component the application of such a coating is not necessary, since this area, for example, should not be exposed to the fluid flow of a turbomachine.
- Examples of a corresponding component are heat shields, guide vanes and blades of a turbine and guide vanes and blades of a compressor, as can be found in turbomachines.
- step A Before the component to be machined is used in step A), previous steps such as the removal of an existing coating and / or the repair of damage to the component can be carried out, in particular when repairing a construction.
- This has the advantage, for example, that the subsequent determination of the position of the at least one cooling fluid opening in the first loading area of the component can typically be followed with greater accuracy.
- the component to be machined is introduced into S1 in a first device, as described under A).
- the device is suitable for measuring at least one reference point in the second area of the component and for determining the position of at least one cooling fluid opening in the first area of the component.
- Step B) of the method according to the invention then takes place in S2.
- the at least one reference point is detected in the second area of the component.
- the position of the at least one cooling fluid opening in the first loading region of the component is determined.
- a characteristic point or the shape of a characteristic area can serve as a reference point and this by means of a measuring device, such as that used for determining the position of the at least one cooling fluid opening is used in the first area.
- different measuring devices or other means for detecting the at least one reference point can also be used.
- the reference point can be touched mechanically, for example, in order to obtain the required data of the reference point.
- An example of such a reference point is a 6-point nest, which is preferably touched mechanically.
- the relative position of the at least one reference point in the second region of the component and the at least one cooling fluid opening in the first region of the component can be derived, for example, from data obtained in S2.
- coating material can optionally be removed in S3, as described in step C). For example, this may be necessary if only part of the coating in the first area of the component has been removed beforehand.
- step E the coating material described in step E) is applied in the first area of the component. This results in at least partially, typically completely, closing the cooling fluid opening in the first region of the component.
- the at least one reference point in the second region of the component is then detected in S6.
- the method according to the invention can be carried out completely in a single device, it is typically advantageous to optimize the process, at least some of the steps, such as repair steps or the application of the coating in the first area of the component, outside of the step B) used first device and / or the second device used in step F).
- the second device used in step F) is suitable to fix the component directly or indirectly by means of a releasable fastening, to detect the at least one reference point in the second region of the component and by means of a device integrated in the device to coat the coating material in the region of the at least one Remove the cooling fluid opening.
- a device can be used in step F), as was also used in step B).
- the identical device can also be used.
- a holding device contained in the device can be used. This can touch the component in the second area and thereby fix it mechanically.
- the holding device can grip the component from opposite sides by means of suitably shaped counterparts of the corresponding part of the second region of the component.
- the corresponding component of the holding device can be designed as a corresponding negative. The use of such a specific holding device has the advantage, for example, that a certain direction of the component is already predetermined.
- a mobile holding device for the component can be used for example.
- the holding device is typically attached to the component for the complete method according to the invention. For example, this is done by a clamping process as described above for the direct detachable connection.
- This fastening offers the possibility of being releasably fastened within the device.
- attachment can also be carried out in such a way that an otherwise unstable construction part can be set up in a stable manner, for example a turbine blade, this has further procedural advantages.
- a mobile holding device can offer simplified gripping and transportation between individual stations of the method.
- the positions of further cooling fluid openings in the first area of the component can be determined.
- a statistical selection of the corresponding cooling fluid opening to be determined can be automated, for example, in order to provide a control option for deviations from the design data. This is particularly important if the position of further cooling fluid openings in the first area of the component is interpolated for removal of the coating material there.
- Such an interpolation of the further cooling fluid openings in the first region of the component is particularly advantageous, for example, when there are rows of cooling fluid openings.
- the component can be aligned within the device.
- Such an alignment is based on the position of the detected reference point and can, for example, improve the position and alignment of the component. Such an improvement can, for example, simplify the removal of the coating material in step F) or increase the accuracy.
- the removal of the coating material in step F) is necessary in order to restore the functionality of the cooling fluid openings and the cooling fluid channels connected therein.
- the device can comprise a laser drill or a mechanical drill.
- the device for removing the coating material can be attached to a robot arm in order to provide the greatest possible mobility.
- a control step can optionally be carried out.
- a device according to the invention which also comprises a measuring device which can at least determine the position of the cooling fluid openings.
- the measuring device can provide further information which, for example, allows conclusions to be drawn about the quality of the removal of the coating material in the region of the respective cooling fluid opening.
- a measuring device based on interferometry can be used for this purpose. If defects are found, the component can, for example, be transferred to an earlier step of the method according to the invention, as represented by S8. For example, the component can be stripped of the coating in S3 before the subsequent steps are carried out again.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018211284.3A DE102018211284A1 (de) | 2018-07-09 | 2018-07-09 | Vorrichtung und Verfahren zum Entfernen von Beschichtungsmaterial aus Kühlfluidöffnungen eines Bauteils |
PCT/EP2019/068128 WO2020011674A1 (de) | 2018-07-09 | 2019-07-05 | Vorrichtung und verfahren zum entfernen von beschichtungsmaterial aus öffnungen eines bauteils |
Publications (1)
Publication Number | Publication Date |
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EP3774165A1 true EP3774165A1 (de) | 2021-02-17 |
Family
ID=67297152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19739955.3A Pending EP3774165A1 (de) | 2018-07-09 | 2019-07-05 | Vorrichtung und verfahren zum entfernen von beschichtungsmaterial aus öffnungen eines bauteils |
Country Status (4)
Country | Link |
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US (1) | US11898237B2 (de) |
EP (1) | EP3774165A1 (de) |
DE (1) | DE102018211284A1 (de) |
WO (1) | WO2020011674A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11840032B2 (en) * | 2020-07-06 | 2023-12-12 | Pratt & Whitney Canada Corp. | Method of repairing a combustor liner of a gas turbine engine |
Family Cites Families (23)
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DE3926479A1 (de) | 1989-08-10 | 1991-02-14 | Siemens Ag | Rheniumhaltige schutzbeschichtung, mit grosser korrosions- und/oder oxidationsbestaendigkeit |
WO1991002108A1 (de) | 1989-08-10 | 1991-02-21 | Siemens Aktiengesellschaft | Hochtemperaturfeste korrosionsschutzbeschichtung, insbesondere für gasturbinenbauteile |
JP3370676B2 (ja) | 1994-10-14 | 2003-01-27 | シーメンス アクチエンゲゼルシヤフト | 腐食・酸化及び熱的過負荷に対して部材を保護するための保護層並びにその製造方法 |
EP0861927A1 (de) | 1997-02-24 | 1998-09-02 | Sulzer Innotec Ag | Verfahren zum Herstellen von einkristallinen Strukturen |
EP0892090B1 (de) | 1997-02-24 | 2008-04-23 | Sulzer Innotec Ag | Verfahren zum Herstellen von einkristallinen Strukturen |
WO1999067435A1 (en) | 1998-06-23 | 1999-12-29 | Siemens Aktiengesellschaft | Directionally solidified casting with improved transverse stress rupture strength |
US6748112B1 (en) * | 1998-07-28 | 2004-06-08 | General Electric Company | Method and apparatus for finding shape deformations in objects having smooth surfaces |
US6231692B1 (en) | 1999-01-28 | 2001-05-15 | Howmet Research Corporation | Nickel base superalloy with improved machinability and method of making thereof |
EP1204776B1 (de) | 1999-07-29 | 2004-06-02 | Siemens Aktiengesellschaft | Hochtemperaturbeständiges bauteil und verfahren zur herstellung des hochtemperaturbeständigen bauteils |
DE50104022D1 (de) | 2001-10-24 | 2004-11-11 | Siemens Ag | Rhenium enthaltende Schutzschicht zum Schutz eines Bauteils gegen Korrosion und Oxidation bei hohen Temperaturen |
DE50112339D1 (de) | 2001-12-13 | 2007-05-24 | Siemens Ag | Hochtemperaturbeständiges Bauteil aus einkristalliner oder polykristalliner Nickel-Basis-Superlegierung |
US20060291716A1 (en) | 2005-06-28 | 2006-12-28 | Janakiraman Vaidyanathan | Thermal imaging and laser scanning systems and methods for determining the location and angular orientation of a hole with an obstructed opening residing on a surface of an article |
EP1844892A1 (de) * | 2006-04-13 | 2007-10-17 | ALSTOM Technology Ltd | Verfahren zur Laserentfernung von Beschichtenmaterialen in Kühlenlöchern eines Turbinenbauteiles |
DE102008016026A1 (de) * | 2008-03-28 | 2009-10-01 | Mtu Aero Engines Gmbh | Verfahren und Vorrichtung zum Vermessen wenigstens einer Bohrung in zumindest einer ersten Oberfläche eines Bauteils |
EP2312122A1 (de) * | 2009-10-15 | 2011-04-20 | Siemens Aktiengesellschaft | Referenzbestimmung zur Ermittlung der Lage von verschlossenen Löchern, Vorrichtung und Bearbeitungsvorrichtung |
EP2428765A1 (de) | 2010-09-14 | 2012-03-14 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Behandlung von Turbinenschaufeln |
EP2719494A1 (de) * | 2012-10-12 | 2014-04-16 | MTU Aero Engines GmbH | Adaptives Verfahren zum Öffnen von verschlossenen Durchlässen eines Bauteils |
EP2845918A1 (de) * | 2013-09-04 | 2015-03-11 | Siemens Aktiengesellschaft | Verfahren zur zumindest teilweisen Beschichtung einer Schaufel, eine Beschichtungsvorrichtung und eine Schaufel |
US9348001B2 (en) * | 2013-10-21 | 2016-05-24 | General Electric Company | Method and system for detecting surface features on turbine components |
US9707645B2 (en) * | 2014-01-09 | 2017-07-18 | General Electric Company | Systems, methods, and apparatus for locating and drilling closed holes of a turbine component |
US20160186626A1 (en) * | 2014-12-30 | 2016-06-30 | General Electric Company | Engine component and methods for an engine component |
US9752440B2 (en) * | 2015-05-29 | 2017-09-05 | General Electric Company | Turbine component having surface cooling channels and method of forming same |
US10024760B2 (en) * | 2015-12-17 | 2018-07-17 | General Electric Company | Methods for monitoring turbine components |
-
2018
- 2018-07-09 DE DE102018211284.3A patent/DE102018211284A1/de not_active Withdrawn
-
2019
- 2019-07-05 EP EP19739955.3A patent/EP3774165A1/de active Pending
- 2019-07-05 WO PCT/EP2019/068128 patent/WO2020011674A1/de unknown
- 2019-07-05 US US17/251,782 patent/US11898237B2/en active Active
Also Published As
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US20210130946A1 (en) | 2021-05-06 |
WO2020011674A1 (de) | 2020-01-16 |
DE102018211284A1 (de) | 2020-01-09 |
US11898237B2 (en) | 2024-02-13 |
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