WO2014068222A1 - Procédé de rechargement d'au moins un bras de carter intermédiaire d'une turbomachine - Google Patents
Procédé de rechargement d'au moins un bras de carter intermédiaire d'une turbomachine Download PDFInfo
- Publication number
- WO2014068222A1 WO2014068222A1 PCT/FR2013/052528 FR2013052528W WO2014068222A1 WO 2014068222 A1 WO2014068222 A1 WO 2014068222A1 FR 2013052528 W FR2013052528 W FR 2013052528W WO 2014068222 A1 WO2014068222 A1 WO 2014068222A1
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- WO
- WIPO (PCT)
- Prior art keywords
- arm
- electrode
- during
- reloading
- leveled
- Prior art date
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Classifications
-
- 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
- B23P6/04—Repairing fractures or cracked metal parts or products, e.g. castings
- B23P6/045—Repairing fractures or cracked metal parts or products, e.g. castings of turbine components, e.g. moving or stationary blades, rotors, etc.
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
- B23K37/0235—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member forming part of a portal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/042—Built-up welding on planar surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
- B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
- B23K9/093—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits the frequency of the pulses produced being modulatable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/124—Circuits or methods for feeding welding wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- 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
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/162—Bearing supports
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- 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
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/14—Titanium or alloys thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/80—Repairing, retrofitting or upgrading methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
Definitions
- the present invention relates to a method of reloading at least one intermediate casing arm of a turbomachine, such as a turbojet or an airplane turboprop.
- a turbomachine conventionally comprises, from upstream to downstream, a fan, a low-pressure compressor, an intermediate casing, a high-pressure compressor, a combustion chamber, a high-pressure turbine and a low-pressure turbine.
- the air entering the turbomachine is divided into a primary flow that circulates inside the low and high pressure compressors, and a secondary flow that bypasses the compressor, the combustion chamber and the turbine.
- the intermediate casing comprises an outer shell and an inner hub defining a portion of the vein in which the secondary flow flows.
- the ferrule and the hub are connected by radial structural arms which are circumferentially spaced from each other on a regular basis. These arms have a high mechanical strength allowing, firstly, to transmit the forces between the ferrule and the hub and, secondly, to resist any projectiles likely to impact them.
- the arms each have a shaped shape so as to fulfill a function of outgoing guide vane or OGV (Outlet Guide Vane), to straighten the secondary air flow to limit the gyration.
- OGV Outlet Guide Vane
- the defects due to machining generally appear at the radially outer ends of the arms, more particularly at the soles provided at these ends.
- phenomena of shrinkage of material may cause dimensional non-conformities.
- some soles may be leveled and then reloaded by deposition of material by TIG (Tungsten Inert Gas) welding process.
- TIG Tungsten Inert Gas
- the reloaded part is then machined so as to give it the geometry to be obtained while respecting the dimensional specifications of the arm.
- the reloading operation is performed manually by an operator and lasts approximately 20 hours. It is generally necessary to make 9 to 10 successive layers of reloading in order to reach the desired thickness of material.
- the TIG process is also relatively energetic and overall heating of the sole often causes unacceptable deformations.
- the invention aims in particular to provide a simple, effective and economical solution to this problem.
- a short-circuit transfer MIG welding process also called CMT (Cold Metal Transfer) process, in which a consumable electrode serves as filler metal
- a synergy law comprising a priming cycle in which the intensity I of a current flowing through the electrode varies between a minimum value between 50 and 70 A and a maximum value between 130 and 140 A, followed by several pulse cycles in which the intensity I varies between a minimum value of between 70 and 100 A and a maximum value of between 280 and 320 A.
- said arm is made of titanium alloy
- the priming cycle comprises the following successive phases:
- combustion phase during which the speed Vd is maintained at the threshold between 24 and 26 m / min, the intensity I being reduced to a threshold of between 90 and 1 10 A, sufficient to maintain the existence of an electric arc, and in which, at the end of this phase, the electrode touches again the flared end to recharge so as to generate a short circuit and extinguish the electric arc, if the electric arc has been maintained during the combustion phase,
- the velocity Vd is brought to a stable value of between 2 and 7 m / min so that the electrode is consumed gradually and the intensity I varies cyclically between a minimum value of between 70 and 100 A and a maximum value of between 280 and 320 A.
- the duration of the first withdrawal phase is between 0.5 and
- the duration of the pulse phase and generation of an arc is between 1 and 3 ms, and / or
- the duration of the combustion phase is between 0.5 and 4 ms, and / or
- the duration of a pulse cycle is between 2 and 2.5 ms.
- the electrode is displaced relative to the leveled end to be recharged at a constant speed, between 20 cm / min and 50 cm / min.
- the number of pulse cycles is between 80 and 120.
- the speed of advance of the electrode relative to the leveled end to be recharged is kept substantially constant and is between 10 and 120 cm / min.
- Reloading using a CMT (Cold Metal Transfer) type process considerably reduces heating in the arm and therefore limits the lowering of the mechanical characteristics of the material and prevents deformations of the arm.
- Such a reloading process makes it possible in particular to reduce the thermally affected zone or ZAT, which is the seat of metallurgical modifications of the base metal which can induce weaknesses, decreases in mechanical strength or ductility failures.
- Such a method also makes it possible to reduce the number of successive recharging layers, so that the recharging time can be reduced significantly.
- the implementation of the CMT process can be automated, using a numerically controlled machine.
- the CMT process is notably known from the US document
- the parameters of the CMT process are controlled so as to limit heating of the recharged zone.
- the end of the arm can be equipped with at least one temperature sensor, such as a thermocouple.
- thermocouple type sensor comprises at least one junction of two metals of different natures, subjected to different temperatures.
- one of the metals is brought to the temperature of the end zone at which the thermocouple is mounted, the other metal being maintained at a reference temperature.
- the thermocouple By Seebeck effect, the thermocouple generates a potential difference that depends on the temperature difference between the two metals.
- Such a temperature sensor has the advantage of being used in a relatively large temperature range, and especially for high temperatures.
- the temperature values thus measured are used to control the parameters of the CMT process, such as in particular the intensity of the current flowing through the electrode or the speed of advance of the electrode relative to the surface to be recharged, so as to to avoid a significant heating of the recharged area and degradation of the arm of the intermediate casing.
- a bead of material is produced at least along the edges of the leveled surface of the end of the arm, and then the material on the rest of the leveled surface.
- This characteristic makes it possible to better control the dimensions of the recharged zone.
- the arm is mounted in an enclosure containing an inert gas.
- the enclosure may comprise a removable plate comprising an opening for the passage of a welding tool, arranged opposite the end of the arm to be recharged.
- the titanium alloy used for the arm may be TA6V, the filler metal used during the CMT welding being TA6V.
- the method is performed automatically on a numerically controlled machine.
- FIG. 1 is a schematic half-sectional view of an upstream part of a turbojet engine of the prior art
- FIG. 2 is a perspective view of an end plate of an intermediate casing arm obtained after shaving of the soleplate and before reloading it in accordance with the method according to the invention
- FIG. 3 is a view illustrating the mounting of the arm in a numerically controlled machine for the step of reloading the end of the arm
- FIGS. 4 and 5 are views illustrating the mounting of the arm in an enclosure containing an inert gas
- FIG. 6 represents the different steps implemented during the CMT welding process
- FIG. 7 is a set of diagrams illustrating the different steps of the CMT welding process.
- FIGS 8 and 9 are two views corresponding to Figure 2, illustrating an exemplary reloading strategy according to the invention.
- FIG. 1 represents a turbomachine of the prior art comprising, from upstream to downstream, a fan 1, a separation nozzle 2, a low-pressure compressor 3, an intermediate casing 4, a high-pressure compressor 5, a combustion chamber combustion, a high pressure turbine and a low pressure turbine (not visible).
- the flow of air F entering the turbomachine is divided into a primary flow F1 which circulates inside the compressors low and high pressure 3, 5, and a secondary flow F2 which bypasses the compressors 3, 5, the chamber of combustion and turbines.
- the intermediate casing 4 comprises an outer shell 6 and an inner hub 7 delimiting a portion of the vein 8 in which flows the secondary flow F2.
- the ferrule 6 and the hub 7 are connected by radial structural arms 9 which are circumferentially spaced apart from one another on a regular basis. These arms 9 have a high mechanical strength allowing, firstly, to transmit the forces between the shell 6 and the hub 7 and, secondly, to resist any projectiles likely to impact them.
- the arms 9 each have a profiled shape so as to fulfill a function of outgoing guide vane or OGV (Outlet Guide Vane), aimed at straightening the secondary air flow F2 to limit the gyration .
- OGV Outlet Guide Vane
- the invention proposes a method consisting of sharpening the soles 1 1 of the arms 9 not compliant (defects in the sole 1 1, non-conforming dimensions, ...), to reload the sole 1 1 leveled by adding of filler metal using a short-circuit transfer MIG welding process, also called CMT (Cold Metal Transfer) process, and then machining the refilled portion of the arm 9 so as to give it the geometry to get.
- a short-circuit transfer MIG welding process also called CMT (Cold Metal Transfer) process
- the shaving step is not necessarily necessary. Reloading the flange 1 1 leveled allows to recreate a healthy sole, free of defects, and / or compensate for shrinkage phenomena by adding an additional thickness of material.
- the arm 9 is mounted in a box 13 for confining an inert gas, such as ARCAL 32 comprising 80% argon and 20% helium ( Figures 4 and 5).
- an inert gas such as ARCAL 32 comprising 80% argon and 20% helium
- the box 13 has a side wall 13a surrounding the arm 9, closed by a removable plate 14 having a central opening 15 (Figure 5) for the passage of a head 16 carrying a consumable electrode 17 ( Figures 3 and 6) serving as metal contributed.
- the electrode 17 is for example made of TA6V.
- the lateral wall 13a comprises ball bearings 18 on which the plate 14 is positioned. These bearings 18 thus make it possible to facilitate the displacement of the plate 14.
- the edges of the plate 14 comprise flanges 19 facing downwards intended to guide the sliding of the removable plate 14 relative to the side wall 13a.
- the removable wall 14 is also equipped with a connection 20 for an inert gas supply line (FIG. 5).
- the casing 13 and the arm 9 are fixedly mounted on a support plate 21 of a numerically controlled machine 22, comprising the head 16, the electrode 17 and control means 23 for the movement and operation thereof.
- the numerically controlled machine 22 also has an interface 24 allowing in particular the adjustment of the parameters of the CMT process by an operator.
- the consumable electrode 17 (for example in the form of a wire) is cyclically movable relative to the head 16.
- an electric arc 25 is first generated between the electrode 17 and the surface 26 of the part to be recharged 1 1 (phase (a)), with the aid of a pulsed current source, so as to cause the local melting of a zone of the part 1 1.
- the electrode 17 is directed towards the surface 26 of the part 1 1 until immersing the end of the electrode 17 in the melt.
- the electric arc 25 is off and the welding current is reduced (phase (b)).
- the electrode 17 is then moved away from the part 1 1, the recoil movement of the electrode 17 during the short-circuit phase facilitating the detachment of a drop 27 of filler metal.
- the short-circuit current is maintained at a low value.
- the movement of the electrode 17 is reversed, so as to start a new cycle.
- the electrode 17 is moved relative to the surface 26 of the part to be recharged 1 1, in such a way the drops 27 of successive filler metal form a bead of filler material after cooling.
- FIG. 7 This figure comprises several diagrams representing the evolution of the displacement velocity Vd of the electrode (also called the velocity wire feed), the intensity I of the current flowing through the electrode and the potential difference U applied between the electrode and the part to be recharged, as a function of time t.
- This law comprises a priming cycle 28, followed by several pulse cycles 29.
- the priming cycle 28 comprises the following successive phases:
- a first phase 30 for withdrawing the electrode 17 and for generating a short circuit the electrode 17 is remote from the surface to be recharged 26 at a maximum speed Vd of between -1 and -3 m / min, the negative value indicating a distance from the electrode 17 and the surface to be recharged 26, as opposed to a positive value which indicates an approximation of the electrode 17 and said surface 26.
- the intensity I is kept at a reduced threshold , between 50 and 70 A and the voltage U is substantially zero since the electrode 17 touches the surface 26 of the part 1 1 (short circuit).
- This phase 30 has a duration of between 0.5 and 4 ms.
- phase 31 of pulse and generation of an arc the withdrawal movement of the electrode 17 ends then the electrode 17 is brought closer to the surface 26 to be recharged, until the speed Vd reaches a maximum threshold between 24 and 26 m / min.
- intensity I increases to a threshold between 130 and 140 A, with the effect of generating an electric arc 25.
- This phase has a duration of between 1 and 3 ms.
- combustion phase the speed Vd is maintained at the threshold between 24 and 26 m / min, the intensity I being reduced to a threshold of between 90 and 1 10 A, sufficient to maintain the existence of a
- the electrode 17 again touches the surface 26 of the part 1 1 to be recharged so as to generate a short circuit and extinguish the electric arc 25 (if the electric arc has was maintained during the combustion phase).
- This phase has a duration of between 0.5 and 4 ms.
- the electrode 17 is remote from the surface to be recharged 26 at a maximum speed Vd of between -1 and -3 m / s, intensity I is maintained at a reduced threshold, between 50 and 70 A and the voltage U is substantially zero since the electrode 17 touches the surface 26 of the part 1 1 (short circuit).
- the electrode 17 is displaced relative to the surface to be recharged 26 at a constant speed, between 20 cm / min and 50 cm / min.
- the priming cycle 28 detailed above is followed by several pulse cycles 29 during which the speed Vd is brought to a stable value of between 2 and 7 m / min (the electrode 17 is consumed gradually) and the I intensity varies cyclically between a minimum value between 70 and 100 A and a maximum value between 280 and 320 A.
- the duration of a cycle 29 is between 2 and 2.5 ms (a frequency between 400 and 500 Hz) and the number of pulse cycles 29 is for example between 80 and 120.
- the speed of advance of the head 16 (and therefore also of the electrode 17) with respect to the surface 26 of the part 1 1 is preferably kept substantially constant and is between 10 and 120 cm / min.
- Figures 8 and 9 illustrate a reloading strategy according to an exemplary embodiment of the invention.
- This strategy consists in producing a bead of material 34 along the edges of the surface to be refilled 26 of the sole 1 1 and, possibly, along the edges of the openings 35 of the sole 1 1 (FIG. 8), then to be deposited later. of the material 36 on the remainder of the leveled surface 26, making successive and adjacent cords (Figure 9).
- the cords of material thus obtained may have a width of between 5 and 10 mm and a thickness of between 3 and 5 mm.
- the reloading time of a sole 1 1 is of the order of 3 hours, that is to say much less than the reloading time required in the prior art (about 20 hours ).
- the trajectories of the head 16 are adapted so as to obtain a slight overlap of the cords in order to avoid a lack of material and / or the appearance of porosities between the cords.
- the parameters used make it possible to avoid or limit the projections of material, to reduce as much as possible the zones affected thermally (ZAT), to avoid the phenomena of burns or sinkholes at the beginning and at the end of the cord, and to avoid geometric deformations of the sole 1 1 (minimization of thermal stresses within the material).
- ZAT zones affected thermally
- pause times between the different passes and / or the different layers of material 36, between 60 and 600 seconds allow sufficient cooling of the cords and / or filler metal layers to avoid the appearance of geometric deformations of the sole 1 1.
- thermocouples In order to further control the quality of the recharging performed, temperature sensors 37 in the form of thermocouples are set locally in the most critical areas (ie in the hottest areas), which are the lobes 12 of the sole 1 1.
- thermocouples 37 are mounted under the sole 1 1 at these lobes 12, as can be seen in FIGS. 4, 5, 8 and 9.
- thermocouples 37 return information on the temperatures of the zones concerned of the sole 1 1, this information then being used to adapt the various parameters of the CMT process accordingly.
- a heating of the temperature detected in a zone 12 will require, for example, a reduction in the intensity of the current flowing through the electrode 17, a longer pause time between two passes, etc.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Arc Welding In General (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/440,427 US20150251281A1 (en) | 2012-11-05 | 2013-10-22 | Method for resurfacing at least one arm of an intermediate casing of a turbomachine |
GB1507621.9A GB2521580B (en) | 2012-11-05 | 2013-10-22 | Method for resurfacing at least one arm of an intermediate casing of a turbomachine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1260489A FR2997646B1 (fr) | 2012-11-05 | 2012-11-05 | Procede de rechargement d'au moins un bras de carter intermediaire d'une turbomachine |
FR1260489 | 2012-11-05 |
Publications (1)
Publication Number | Publication Date |
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WO2014068222A1 true WO2014068222A1 (fr) | 2014-05-08 |
Family
ID=47666298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2013/052528 WO2014068222A1 (fr) | 2012-11-05 | 2013-10-22 | Procédé de rechargement d'au moins un bras de carter intermédiaire d'une turbomachine |
Country Status (4)
Country | Link |
---|---|
US (1) | US20150251281A1 (fr) |
FR (1) | FR2997646B1 (fr) |
GB (1) | GB2521580B (fr) |
WO (1) | WO2014068222A1 (fr) |
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FR3051840A1 (fr) * | 2016-05-31 | 2017-12-01 | Snecma | Carter intermediaire de turbomachine, equipee d'une piece d'etancheite a interface bras/virole |
CN109590668A (zh) * | 2019-01-07 | 2019-04-09 | 浙江翰德圣智能再制造技术有限公司 | 一种汽轮机缸体密封面修复工艺 |
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CN110340495B (zh) * | 2019-08-01 | 2021-07-13 | 中国航发成都发动机有限公司 | 一种用于薄壁机匣焊接热处理的一体化工装夹具及其装配方法 |
EP3815828A1 (fr) * | 2019-11-04 | 2021-05-05 | FRONIUS INTERNATIONAL GmbH | Procédé et dispositif de soudage d'un cordon de soudure |
CN110919135B (zh) * | 2019-12-03 | 2021-07-13 | 哈尔滨电机厂有限责任公司 | 一种曲面轴瓦表面巴氏合金复合焊接制备方法 |
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CN104476096A (zh) * | 2014-10-27 | 2015-04-01 | 沈阳黎明航空发动机(集团)有限责任公司 | 一种中介机匣的吊环修复方法 |
CN104476096B (zh) * | 2014-10-27 | 2016-08-24 | 沈阳黎明航空发动机(集团)有限责任公司 | 一种中介机匣的吊环修复方法 |
FR3051840A1 (fr) * | 2016-05-31 | 2017-12-01 | Snecma | Carter intermediaire de turbomachine, equipee d'une piece d'etancheite a interface bras/virole |
WO2017207890A1 (fr) * | 2016-05-31 | 2017-12-07 | Safran Aircraft Engines | Carter intermédiaire de turbomachine, équipée d'une pièce d'étanchéité à l'interface bras/virole |
CN109219688A (zh) * | 2016-05-31 | 2019-01-15 | 赛峰航空器发动机 | 在臂/护罩界面处设有密封部件的涡轮发动机的中间壳体 |
US10801369B2 (en) | 2016-05-31 | 2020-10-13 | Safran Aircraft Engines | Intermediate casing of a turbine engine, provided with a sealing part at the arm/shroud interface |
CN109219688B (zh) * | 2016-05-31 | 2021-09-10 | 赛峰航空器发动机 | 在臂/护罩界面处设有密封部件的涡轮发动机的中间壳体 |
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Also Published As
Publication number | Publication date |
---|---|
US20150251281A1 (en) | 2015-09-10 |
GB201507621D0 (en) | 2015-06-17 |
GB2521580A (en) | 2015-06-24 |
FR2997646B1 (fr) | 2015-03-27 |
GB2521580B (en) | 2018-09-19 |
FR2997646A1 (fr) | 2014-05-09 |
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