FR2983420A1 - Systemes, dispositifs et/ou procedes de formation de trous - Google Patents
Systemes, dispositifs et/ou procedes de formation de trous Download PDFInfo
- Publication number
- FR2983420A1 FR2983420A1 FR1261717A FR1261717A FR2983420A1 FR 2983420 A1 FR2983420 A1 FR 2983420A1 FR 1261717 A FR1261717 A FR 1261717A FR 1261717 A FR1261717 A FR 1261717A FR 2983420 A1 FR2983420 A1 FR 2983420A1
- Authority
- FR
- France
- Prior art keywords
- spindle
- hole
- fillet
- pin
- predetermined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
-
- 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
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
-
- 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
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on 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
- F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
-
- 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
- F01D5/284—Selection of ceramic materials
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12361—All metal or with adjacent metals having aperture or cut
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Ceramic Engineering (AREA)
- Composite Materials (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
Claims (49)
- REVENDICATIONS1. Dispositif, comprenant : une première forme en céramique ou en cire, comprenant : une première pluralité d'artéfacts de surface faisant partie intégrante de la première forme et reproduisant sensiblement spatialement une géométrie de surface d'un premier moule à feuilles empilées ; et une première broche, qui : a une composition principalement céramique ; fait partie intégrante de la première forme ; est conçue pour former un premier trou dans un produit moulé métallique qui est coulé à l'état fondu sensiblement autour de la première broche ; est conçue pour se désintégrer sensiblement structurellement à cause des contraintes thermiques communiquées à la première broche lors du refroidissement du produit moulé métallique de l'état fondu à l'état solide ; et définit un axe longitudinal de broche, une intersection de la première forme et la première broche définissant un congé faisant partie intégrante de la première broche et la première forme, le congé définissant une première profondeur à point-milieu de congé mesurée dans un premier plan contenant l'axe longitudinal de broche, le congé définissant une deuxième profondeur à point-milieu de congé mesurée dans un deuxième plan contenant l'axe longitudinal de broche, le premier plan étant séparé du deuxième plan par un angle prédéterminé mesuré perpendiculairement à l'axe longitudinal de broche.
- 2. Dispositif selon la revendication 1, caractérisé en ce que : la première profondeur à point-milieu de congé est mesurée à un point-milieu longitudinal situé environ à mi-chemin entre une transition de la première broche située là où le congé se fusionne sensiblement dans la première broche dans le premier plan et une transition de la première forme située là où le congé se fusionne sensiblement dans la première forme dans le premier plan.
- 3. Dispositif selon la revendication 1, caractérisé en ce que : la deuxième profondeur à point-milieu de congé est mesurée à un point-milieu longitudinal situé environ à mi-chemin entre une transition de la deuxième broche située là où le congé se fusionne sensiblement dans la première broche dans le deuxième plan et une transition de la deuxième forme située là où le congé se fusionne sensiblement dans la première forme dans le deuxième plan.
- 4. Dispositif selon la revendication 1, caractérisé en ce que : une surface externe du congé est définie par une surface externe de la forme et une surface externe de la première broche.
- 5. Dispositif selon la revendication 1, caractérisé en ce que : le produit moulé est au moins une partie d'une surface portante.
- 6. Dispositif selon la revendication 1, caractérisé en ce que : la première forme définit au moins une partie d'un noyau en céramique.
- 7. Dispositif selon la revendication 1, caractérisé en ce que : la première forme définit au moins une partie d'un moule en cire.
- 8. Dispositif selon la revendication 1, caractérisé en ce que : au moins une partie de la première forme est conçue pour être remplacée par un alliage fondu métallique créant, après solidification, au moins une partie du produit moulé.
- 9. Dispositif selon la revendication 1, caractérisé en ce que : le produit moulé est conçu pour être coulé sensiblement autour de la forme.
- 10. Dispositif selon la revendication 1, caractérisé en ce que : le produit moulé est conçu pour être coulé sensiblement à l'intérieur de la forme.
- 11. Dispositif selon la revendication 1, caractérisé en ce que : la première broche est conçue pour être extraite de façon destructive du produit moulé.
- 12. Dispositif selon la revendication 1, caractérisé en ce que : la première broche s'étend vers l'extérieur par rapport à un axe prédéterminé de la première forme.
- 13. Dispositif selon la revendication 1, caractérisé en ce que : la première broche s'étend vers l'intérieur par rapport à un axe prédéterminé de la première forme.
- 14. Dispositif selon la revendication 1, caractérisé en ce que : la première broche s'étend vers l'extérieur par rapport à un axe prédéterminé de la première forme vers une deuxième broche qui s'étend vers l'intérieur depuis une coque ou un moule.
- 15. Dispositif selon la revendication 1, caractérisé en ce que : la première broche s'étend vers l'intérieur par rapport à un axe prédéterminé de la première forme vers une deuxième broche qui s'étend vers l'extérieur par rapport à un axe prédéterminé d'un noyau.
- 16. Dispositif selon la revendication 1, caractérisé en ce que : le premier trou est un trou de refroidissement.
- 17. Dispositif selon la revendication 1, caractérisé en ce que : le premier trou est un trou débauchant.
- 18. Dispositif selon la revendication 1, caractérisé en ce que : le premier trou est un trou borgne.
- 19. Dispositif selon la revendication 1, caractérisé en ce que : le premier trou est conçu pour être fini via une technique d'usinage.
- 20. Dispositif selon la revendication 1, caractérisé en ce que : la première broche est conçue pour s'étendre depuis la forme vers une caractéristique cible prédéterminée dans un modèle en cire ou une coque.
- 21. Dispositif selon la revendication 1, caractérisé en ce que : le premier trou est conçu pour s'étendre depuis un modèle en cire vers une caractéristique cible prédéterminée dans un noyau ou une coque.
- 22. Dispositif selon la revendication 1, caractérisé en ce que : la première broche est l'une d'un réseau de broches définie par la première forme et partie intégrante de celle-ci.
- 23. Dispositif selon la revendication 1, caractérisé en ce que : la première broche est revêtue d'un matériau prédéterminé.
- 24. Dispositif selon la revendication 1, caractérisé en ce que : la première broche est une structure composite et renforcée.
- 25. Dispositif selon la revendication 1, caractérisé en ce que : la première broche est consommable.
- 26. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit une entrée et/ou sortie, ayant une courbure prédéterminée, du premier trou.
- 27. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit une section transversale du premier trou qui, à une profondeur prédéterminée du premier trou, est arrondie.
- 28. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit une section transversale du premier trou qui, à une profondeur prédéterminée du premier trou, n'est pas arrondie.
- 29. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit : une périphérie de la première broche ayant une première forme prédéterminée comme mesurée dans un premier plan longitudinal transversal prédéterminé de la première broche entrecoupant une première position prédéterminée le long de l'axe longitudinal de broche ; et une périphérie de la deuxième broche ayant une deuxième forme prédéterminée comme mesurée dans un deuxième plan longitudinal transversal prédéterminé de la première broche entrecoupant une deuxième position prédéterminée le long de l'axe longitudinal de broche la première forme prédéterminée différant de la deuxième forme prédéterminée.
- 30. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit : une aire transversale de la première broche étant mesurée dans un premier plan longitudinal transversal prédéterminé de la première broche entrecoupant une première position prédéterminée le long de l'axe longitudinal de broche; et une aire transversale de la deuxième broche étant mesurée dans un deuxième plan longitudinal transversal prédéterminé de la première broche entrecoupant une deuxième position prédéterminée le long de l'axe longitudinal de broche ; l'aire de la première broche différant de l'aire de la deuxième broche.
- 31. Dispositif selon la revendication 1, caractérisé en ce que : l'axe longitudinal de broche n'est pas perpendiculaire à un axe longitudinal de la première forme.
- 32. Dispositif selon la revendication 1, caractérisé en ce que : l'axe longitudinal de broche est courbe par rapport à un axe longitudinal de la première forme.
- 33. Dispositif selon la revendication 1, caractérisé en ce que : le produit moulé définit une région fraisée et/ou en forme de fossé adjacente à une entrée et/ou à une sortie du premier trou.
- 34. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit un repère sur une paroi latérale du premier trou et/ou un fond du premier trou, le repère étant conçu pour localiser un deuxième trou et/ou aligner une technique classique d'usinage avec le premier trou.
- 35. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit un canal reliant le premier trou à un deuxième trou, ce canal éventuellement s'étendant entre le premier trou et le deuxième trou à une position quelconque sur une longueur du premier trou.
- 36. Dispositif selon la revendication 1, caractérisé en ce que : une surface externe de la première broche définit une caractéristique de réduction de contraintes, de fatigue et/ou de criques.
- 37. Dispositif selon la revendication 1, caractérisé en ce que : une surface externe de la première broche définit une géométrie prédéterminée de surface.
- 38. Dispositif selon la revendication 1, caractérisé en ce que : une surface externe de la première broche définit une rugosité prédéterminée de surface.
- 39. Dispositif selon la revendication 1, caractérisé en ce que : une surface externe de la première broche est embrevée.
- 40. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit une paroi de trou comprenant des projections de filtrage.
- 41. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit une paroi de trou comprenant une caractéristique de filtrage.
- 42. Dispositif selon la revendication 1, caractérisé en ce que : la première broche définit une paroi de trou comprenant des cavités borgnes.
- 43. Dispositif selon la revendication 1, caractérisé en ce que : la première forme comprend une garniture en caoutchouc fixée à une base métallique, la garniture étant conçue pour définir un contour de la première forme, la garniture comprenant une deuxième pluralité d'artéfacts de surface faisant partie intégrante de la garniture et reflétant sensiblement spatialement une surface d'un deuxième moule à feuilles empilées.
- 44. Dispositif selon la revendication 1, caractérisé en ce que : le produit moulé définit une pluralité de cavités internes.
- 45. Dispositif selon la revendication 1, caractérisé en ce que : le produit moulé définit une paire de cavités internes étant reliées entre elles par un ou plusieurs passages.
- 46. Dispositif selon la revendication 1, caractérisé en ce que : la première pluralité d'artéfacts de surface reproduisant de façon inversée et spatiale la géométrie de surface du premier moule à feuilles empilées.
- 47. Dispositif selon la revendication 1, caractérisé en ce que : la première pluralité d'artéfacts de surface comprenant au moins une saillie en contre-dépouille.
- 48. Dispositif selon la revendication 1, caractérisé en ce que : la composition céramique est conçue pour subir une transformation de structure cristalline avant la coulée du produit moulé métallique autour de la première broche.
- 49. Dispositif, comprenant : un produit moulé métallique, comprenant : une première pluralité d'artéfacts de surface faisant partie intégrante du produit moulé et reproduisant sensiblement spatialement une géométrie de surface d'un moule à feuilles empilées ; et une surface de produit définissant un premier trou, le premier trou définissant un axe longitudinal de trou, une intersection de la surface de produit et une paroi du premier trou définissant une profondeur du premier trou, l'intersection définissant un congé faisant partie intégrante du produit, le congé définissant une première profondeur à point-milieu de congé mesurée dans un premier plan contenant l'axe longitudinal de trou, le congé définissant une deuxième profondeur à point-milieu de congé mesurée dans un deuxième plan contenant l'axe longitudinal de trou, le premier plan étant séparé du deuxième plan par un angle prédéterminé mesuré perpendiculairement à l'axe longitudinal de trou. 0. Procédé, comprenant : dans une première partie d'un moule en modèle perdu en céramique ou en cire et une deuxième partie du moule de coulée, au moins l'une de la première partie et la deuxième partie étant une première forme, comprenant : une première pluralité d'artéfacts de surface faisant partie intégrante de la première forme et reproduisant sensiblement spatialement une géométrie de surface d'un premier moule à feuilles empilées; et une première broche qui : a une composition principalement céramique ; fait partie intégrante de la première forme ; est conçue pour former un premier trou dans un produit moulé métallique qui est coulé à l'état fondu sensiblement autour de la première broche ; est conçue pour se désintégrer sensiblement structurellement à cause des contraintes thermiques communiquées à la première broche lors du refroidissement du produit moulé métallique de l'état fondu à l'état solide ; et définit un axe longitudinal de broche, une intersection de la forme et la première broche définissant un congé faisant partie intégrante de la première broche et la première forme, le congé définissant une première profondeur à point-milieu de congé mesurée dans un premier plan contenant l'axe longitudinal de broche, le congé définissant une deuxième profondeur à point-milieu de congé mesurée dans un deuxième plan contenant l'axe longitudinal de broche, le premier plan étant séparé du deuxième plan par un angle prédéterminé mesuré perpendiculairement à l'axe longitudinal de broche, en coulant le produit moulé.
Applications Claiming Priority (1)
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US201161567259P | 2011-12-06 | 2011-12-06 |
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FR2983420A1 true FR2983420A1 (fr) | 2013-06-07 |
FR2983420B1 FR2983420B1 (fr) | 2021-10-01 |
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FR1261717A Active FR2983420B1 (fr) | 2011-12-06 | 2012-12-06 | Systemes, dispositifs et/ou procedes de formation de trous |
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US (2) | US8813824B2 (fr) |
DE (1) | DE102012111875A1 (fr) |
FR (1) | FR2983420B1 (fr) |
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US20130139990A1 (en) | 2013-06-06 |
FR2983420B1 (fr) | 2021-10-01 |
GB2500449A (en) | 2013-09-25 |
US9057277B2 (en) | 2015-06-16 |
GB2500449B (en) | 2014-08-20 |
DE102012111875A1 (de) | 2013-06-06 |
US20140342176A1 (en) | 2014-11-20 |
US8813824B2 (en) | 2014-08-26 |
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