WO2014009635A1 - Procede de fixation d'un renfort metallique structurel sur une partie d'une aube de turbine a gaz en materiau composite et moule d'injection pour la mise en œuvre d'un tel procede. - Google Patents
Procede de fixation d'un renfort metallique structurel sur une partie d'une aube de turbine a gaz en materiau composite et moule d'injection pour la mise en œuvre d'un tel procede. Download PDFInfo
- Publication number
- WO2014009635A1 WO2014009635A1 PCT/FR2013/051576 FR2013051576W WO2014009635A1 WO 2014009635 A1 WO2014009635 A1 WO 2014009635A1 FR 2013051576 W FR2013051576 W FR 2013051576W WO 2014009635 A1 WO2014009635 A1 WO 2014009635A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blade
- metal reinforcement
- structural metal
- injection mold
- leading edge
- 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.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/54—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts
- B29C65/542—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts by injection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
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- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1671—Making multilayered or multicoloured articles with an insert
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
- B29C65/7847—Holding or clamping means for handling purposes using vacuum to hold at least one of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
- B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
- B29C66/12461—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being rounded, i.e. U-shaped or C-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
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- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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- B29C66/721—Fibre-reinforced materials
- B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
- B29C66/72141—Fibres of continuous length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/08—Reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/18—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2603/00—Vanes, blades, propellers, rotors with blades
-
- 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
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Definitions
- the present invention relates to the general field of gas turbine blades for aeronautical engines which are made of composite material and whose leading edge and / or the trailing edge is equipped with a metal structural reinforcement.
- a field of application of the invention is that of turbomachine fan blades or propeller blades.
- Another field of application of the invention is that of the guide vanes (or OGV for "Outlet Guide Vane") turbomachine.
- Such structural reinforcements make it possible to protect the composite vane during the impact on the blower of a foreign body such as a bird ingested by the turbomachine, for example.
- the metal structural reinforcements protect the leading edge (or the trailing edge) of the composite material blade by avoiding the risk of delamination, fiber breakage or damage by a fiber / matrix decohesion.
- the structural reinforcements are titanium parts made by milling from a block of material and which are directly bonded to the outside profile of the blade to be protected.
- the bonding of a structural metal reinforcement poses several problems.
- this object is achieved by a method of fixing a structural metal reinforcement on a portion of a gas turbine blade of composite material having a fiber reinforcement densified by a matrix, comprising the positioning of the reinforcement structural metal in an injection mold, the positioning in the injection mold of the part of the blade on which the structural metal reinforcement must be fixed, the part of the blade and the structural metal reinforcement being positioned one relative to each other in their final positioning and leaving a gap between them, the injection of glue into the gap between the structural metal reinforcement and the part of the blade on which the structural metal reinforcement must be fixed, and the polymerization of the glue.
- the fixing method according to the invention has the advantage of being based on a LCM liquid-type resin filling process (for "Liquid Composite Molding"), more particularly of a vacuum resin injection method. type RTM (for "Resin Transfer Molding") or vacuum type VARTM (for "Vaccum Assisted Resin Transfer Molding”) to ensure a bonding structural metal reinforcement on the blade.
- LCM liquid-type resin filling process for "Liquid Composite Molding”
- type RTM for "Resin Transfer Molding”
- VARTM vacuum type Assisted Resin Transfer Molding
- Such a method is well known per se, which makes it possible to ensure perfect control of the method of fixing the structural metal reinforcement. With this method, it is in particular possible to perfectly control the final thickness of the adhesive joint at any point on the contact surface between the metal reinforcement and the blade. This results in the possibility of easily reproducing the bonding of the metal reinforcements on the gas turbine blades.
- the positioning of the blade in the injection mold can be done horizontally or vertically. Similarly, the blade may be partially or fully positioned in the injection mold. In this way, the method according to the invention has great freedom of use.
- the method further comprises establishing a vacuum in the gap between the structural metal reinforcement and the part of the blade on which the structural metal reinforcement must be fixed prior to the injection of glue. The establishment of the vacuum ensures a perfectly homogeneous distribution of the glue in the gap.
- the structural metal reinforcement is maintained inside the injection mold by means of a vacuum or suction effect.
- a vacuum or suction effect it is possible to have a two-part injection mold articulated with respect to each other, each part of the mold receiving a lateral flank of the structural metal reinforcement.
- the subject of the invention is also the use of the method as defined above for fixing a structural metal reinforcement on the leading edge, the trailing edge or the top of a fan blade, a blade propeller or an output guide vane made of composite material for a turbomachine.
- the invention also relates to an injection mold for implementing the method as defined above, the mold comprising a location for receiving a structural metal reinforcement intended to be fixed on a portion of the blade, and means to maintain the structural metal reinforcement in the mold.
- the mold may comprise two parts hinged to each other by a hinge.
- FIG. 1 is a schematic view of a turbomachine fan blade section of composite material whose leading edge is covered with a structural metal reinforcement;
- FIG. 6 is a diagram of a structural straightener blade section of composite material whose leading edge is covered with a structural metal reinforcement
- FIG. 7 shows a step of the method according to the invention for fixing the structural metal reinforcement on the leading edge of the blade of FIG. 6.
- the invention applies to any gas turbine blade made of composite material for an aeronautical engine, and in particular to turbomachine fan blades such as that shown in section in FIG.
- the fan blade 1 has an aerodynamic surface that extends in particular between a leading edge 2 and a trailing edge 3.
- the aerodynamic surface of the fan blade also comprises a lower surface 4 and an extrados face 5 which forms the side faces of the blade connecting the leading edge to the trailing edge.
- the fan blade 1 is made of composite material with a fiber reinforcement densified by a matrix.
- the blade may be made by three-dimensional weaving of a fibrous preform and impregnation of the preform with a matrix, the assembly being formed by molding using a vacuum resin injection method VARTM type.
- the fan blade 1 comprises a structural metal reinforcement
- the structural metal reinforcement 10 matches the shape of the leading edge 2 of the blade which it extends to form a metal leading edge 2a. Beyond the leading edge of the dawn, the structural metal reinforcement partially matches the profile of the intrados 4 and extrados 5 faces of the blade.
- the structural metal reinforcement 10 has a cross-section substantially V-shaped rounded with a base 11 conforming the edge attack 2 of the dawn and extended by two lateral flanks 12, 13 respectively conforming to the intrados face 4 and the extrados face 5 of the blade.
- the lateral flanks 12, 13 of the structural metal reinforcement have a thinned profile in the direction of the trailing edge of the blade.
- the structural metal reinforcement 10 is a monoblock piece preferably made of titanium. This material has indeed a high energy absorption capacity due to shocks.
- the structural metal reinforcement 10 is fixed on the leading edge
- the structural metal reinforcement 10 to be fixed on the leading edge of the fan blade is positioned inside an injection mold 20.
- the injection mold 20 has an internal surface whose profile substantially corresponds to the external profile of the structural metal reinforcement 10, in particular with a bottom
- the structural metal reinforcement 10 is held inside the injection mold 20 via a vacuum.
- the edges 22, 23 of the injection mold have channels 24 intended to evacuate between the inner surface of the injection mold and the external surface of the structural metal reinforcement so as to maintain the latter. inside the injection mold.
- the inner surface of the injection mold could be provided with suction cups on which would be plated the structural metal reinforcement.
- the injection mold is made in two parts articulated to each other by a hinge 25.
- the two articulated parts correspond to the two edges 22, 23 of the injection mold.
- any other type of closure of the injection mold can be envisaged.
- the leading edge of the fan blade intended to be covered is positioned.
- the injection mold 10 is open (by removing the edges 22, 23) to allow the introduction of the leading edge 2 of the blade inside the mold d 'injection.
- the leading edge 2 of the blade is held in this position by embedding the blade in a fixed part of a tool through its foot and / or its trailing edge for example.
- the injection mold 10 can then be closed by placing its edges 22, 23 in their initial position.
- the next step of the process illustrated in FIG. 5 consists in injecting glue into the gap 26 created between the structural metal reinforcement 10 and the leading edge 2 of the blade.
- a seal 27 is positioned on the injection mold around the end of the two lateral flanks 12, 13 of the structural metal reinforcement and the glue injection can be carried out at any peripheral point of the edge of the attack dawn (this glue injection point is shown schematically by the arrow 28 in Figure 5).
- the glue fills the entire space of the gap 26.
- the glue injection is carried out after having previously carried out the vacuum at the gap 26 between the structural metal reinforcement 10 and the leading edge 2 of the blade to ensure a perfectly homogeneous distribution of glue.
- the adhesive that is injected into the gap 26 between the structural metal reinforcement 10 and the leading edge 2 of the blade may be a polymer of polyester, polyurethane, polyepoxide, bismaleimide and / or phenolic type and be in the form of of a paste.
- This glue is then polymerized.
- a 180 ° C class epoxy adhesive its polymerization will be carried out by raising the temperature to 140 ° C. for 2 hours after its injection.
- the leading edge of the blade can be demolded from the injection mold.
- the dawn to be provided with a structural metal reinforcement is a turbine engine output guide vane, also called OGV (for "Outlet Guide Vane”).
- OGV turbine engine output guide vane
- the output guide vane has an aerodynamic surface that extends in particular between a leading edge 2 'and a trailing edge 3'.
- the output guide blade is made of composite material and has a structural metal reinforcement 10 'which is glued at its leading edge 2' and which extends to both axially beyond the leading edge of the blade and radially over the entire height of the leading edge.
- the method of fixing the structural metal reinforcement 10 'on the leading edge 2' of the blade is identical to that described above.
- it consists mainly in positioning the structural metal reinforcement 10 'in an injection mold 20', then positioning the leading edge 2 'of the blade in the injection mold so that it and the structural metal reinforcement are positioned relative to one another in their final positioning and leaving between them a gap 26 '.
- the glue can then be injected by an adhesive injection point 28 'placed at the periphery of the leading edge of the blade. After polymerization of the glue, the blade and its leading edge can be demolded from the injection mold.
- the injection mold used here is not necessarily made in two parts articulated with respect to each other. Indeed, given the non-arched shape of the exit director blade, it is not essential to have to open the injection mold to position the leading edge of the blade.
- the dawn can be positioned in the injection mold vertically or horizontally as needed. It can also be partially or completely positioned inside the injection mold.
- the injection of glue into the gap formed between the structural metal reinforcement and the leading edge of the blade can be done at the periphery of the leading edge as illustrated in the figures or at the level of one or both radial ends of the structural metal reinforcement. It is also possible to envisage that the glue injection is done by one or more holes drilled in the base of the structural metal reinforcement, these holes then being filled (for example by laser refilling).
- the polyurethane film serves to protect the face covered with dawn against erosion.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201380036642.0A CN104428128B (zh) | 2012-07-09 | 2013-07-03 | 将金属结构性加强件固定到包括复合材料的气体涡轮叶片的一部分上的方法,以及实施该方法的注入模 |
| BR112015000312-5A BR112015000312B1 (pt) | 2012-07-09 | 2013-07-03 | método de fixação de reforço de metal estrutural, uso de um método, e, molde de injeção |
| EP13747431.8A EP2869985B1 (fr) | 2012-07-09 | 2013-07-03 | Procédé de fixation d'un renfort métallique structurel sur une partie d'une aube de turbine à gaz en matériau composite et moule d'injection pour la mise en oeuvre d'un tel procédé |
| RU2015104046A RU2638401C2 (ru) | 2012-07-09 | 2013-07-03 | Способ закрепления конструктивного металлического усиливающего элемента на изготовленной из композитного материала части лопатки газовой турбины и форма для литья под давлением, обеспечивающая осуществление такого способа |
| US14/412,532 US10259169B2 (en) | 2012-07-09 | 2013-07-03 | Method of fastening structural metal reinforcement on a portion of a gas turbine blade made of composite material, and an injection mold for performing such a method |
| CA2877214A CA2877214C (fr) | 2012-07-09 | 2013-07-03 | Procede de fixation d'un renfort metallique structurel sur une partie d'une aube de turbine a gaz en materiau composite et moule d'injection pour la mise en oeuvre d'un tel procede |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1256597 | 2012-07-09 | ||
| FR1256597A FR2992887B1 (fr) | 2012-07-09 | 2012-07-09 | Procede de fixation d'un renfort metallique structurel sur une partie d'une aube de turbine a gaz en materiau composite et moule d'injection pour la mise en oeuvre d'un tel procede |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014009635A1 true WO2014009635A1 (fr) | 2014-01-16 |
Family
ID=47003019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2013/051576 Ceased WO2014009635A1 (fr) | 2012-07-09 | 2013-07-03 | Procede de fixation d'un renfort metallique structurel sur une partie d'une aube de turbine a gaz en materiau composite et moule d'injection pour la mise en œuvre d'un tel procede. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US10259169B2 (fr) |
| EP (1) | EP2869985B1 (fr) |
| CN (1) | CN104428128B (fr) |
| BR (1) | BR112015000312B1 (fr) |
| CA (1) | CA2877214C (fr) |
| FR (1) | FR2992887B1 (fr) |
| RU (1) | RU2638401C2 (fr) |
| WO (1) | WO2014009635A1 (fr) |
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| CN106794641A (zh) * | 2014-08-27 | 2017-05-31 | 赛峰飞机发动机公司 | 用于气体涡轮发动机的、由复合材料制成的导向叶片及其制造方法 |
| FR3102086A1 (fr) * | 2019-10-17 | 2021-04-23 | Safran Aircraft Engines | Aube en matériau composite comportant un renfort métallique, et procédés de fabrication et de réparation d’une telle aube |
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| US10907609B2 (en) | 2014-07-15 | 2021-02-02 | Ge Renewable Technologies | Apparatus and method for modifying a geometry of a turbine part |
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| FR3040902B1 (fr) * | 2015-09-10 | 2017-09-01 | Snecma | Procede de fabrication d'un renfort de protection pour une aube (p) presentant un bord d'attaque ou de fuite courbe |
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| FR3079445B1 (fr) * | 2018-03-28 | 2020-04-24 | Safran | Procede de fabrication d'une aube en materiau composite a bord d'attaque metallique rapporte pour turbine a gaz |
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| CN112373052B (zh) * | 2020-10-21 | 2022-11-29 | 武汉理工大学 | 一种复合材料叶片金属包边的胶接方法及装置 |
| FR3121864A1 (fr) * | 2021-04-19 | 2022-10-21 | Safran Aircraft Engines | Procede de fabrication d’une aube composite de turbomachine |
| CN113459526B (zh) * | 2021-06-30 | 2022-06-10 | 中国航空制造技术研究院 | 一种复合材料风扇叶片与金属包边的胶接成型方法 |
| CN114211797B (zh) * | 2021-11-24 | 2024-01-23 | 东方电气风电股份有限公司 | 风电叶片腹板快速粘接结构及其快速成型方法 |
| CN114683558B (zh) * | 2022-04-06 | 2023-10-03 | 航天海鹰(镇江)特种材料有限公司 | 一种复合材料叶片金属包边的胶接方法 |
| FR3136475B1 (fr) * | 2022-06-09 | 2024-06-14 | Safran | Procédé de fixation d’une pièce sur un support par transfert d’un film adhésif |
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| US12467476B2 (en) | 2023-02-20 | 2025-11-11 | General Electric Company | Turbine engine with composite airfoils |
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| US12326154B2 (en) | 2023-02-20 | 2025-06-10 | General Electric Company | Turbine engine with composite airfoils |
| US12345177B2 (en) | 2023-02-20 | 2025-07-01 | General Electric Company | Turbine engine with composite airfoils |
| US12352183B2 (en) | 2023-02-20 | 2025-07-08 | General Electric Company | Turbine engine with composite airfoils |
| US12359572B2 (en) | 2023-02-20 | 2025-07-15 | General Electric Company | Turbine engine with composite airfoils |
| US12098653B1 (en) * | 2023-04-12 | 2024-09-24 | Rtx Corporation | Adhesive bond for fan blades |
| FR3155459A1 (fr) | 2023-11-22 | 2025-05-23 | Safran Aircraft Engines | Aube comprenant un bord d’attaque |
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- 2013-07-03 CN CN201380036642.0A patent/CN104428128B/zh active Active
- 2013-07-03 EP EP13747431.8A patent/EP2869985B1/fr active Active
- 2013-07-03 RU RU2015104046A patent/RU2638401C2/ru active
- 2013-07-03 BR BR112015000312-5A patent/BR112015000312B1/pt active IP Right Grant
- 2013-07-03 CA CA2877214A patent/CA2877214C/fr active Active
- 2013-07-03 WO PCT/FR2013/051576 patent/WO2014009635A1/fr not_active Ceased
- 2013-07-03 US US14/412,532 patent/US10259169B2/en active Active
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| EP1777063A1 (fr) * | 2005-10-21 | 2007-04-25 | Snecma | Procédé de fabrication d'une aube de turbomachine composite, et aube obtenue par ce procédé |
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| FR3102086A1 (fr) * | 2019-10-17 | 2021-04-23 | Safran Aircraft Engines | Aube en matériau composite comportant un renfort métallique, et procédés de fabrication et de réparation d’une telle aube |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2015104046A (ru) | 2016-08-27 |
| US20150151485A1 (en) | 2015-06-04 |
| FR2992887A1 (fr) | 2014-01-10 |
| CA2877214A1 (fr) | 2014-01-16 |
| FR2992887B1 (fr) | 2015-05-01 |
| CN104428128B (zh) | 2017-01-18 |
| CN104428128A (zh) | 2015-03-18 |
| BR112015000312A2 (pt) | 2017-06-27 |
| US10259169B2 (en) | 2019-04-16 |
| EP2869985A1 (fr) | 2015-05-13 |
| BR112015000312B1 (pt) | 2020-07-21 |
| EP2869985B1 (fr) | 2016-12-07 |
| CA2877214C (fr) | 2020-08-04 |
| RU2638401C2 (ru) | 2017-12-13 |
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