EP4743300A1 - Procede de fabrication d'une piece mecanique en materiau composite ayant un alesage forme a partir de deux preformes fibreuses - Google Patents

Procede de fabrication d'une piece mecanique en materiau composite ayant un alesage forme a partir de deux preformes fibreuses

Info

Publication number
EP4743300A1
EP4743300A1 EP24746398.7A EP24746398A EP4743300A1 EP 4743300 A1 EP4743300 A1 EP 4743300A1 EP 24746398 A EP24746398 A EP 24746398A EP 4743300 A1 EP4743300 A1 EP 4743300A1
Authority
EP
European Patent Office
Prior art keywords
produce
body made
composite part
fiber preforms
mechanical composite
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
Application number
EP24746398.7A
Other languages
German (de)
English (en)
Inventor
Ali Lahmar
Quentin Roirand
Nicolas Quang-Ninh Tran
Christophe Floreani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran SA
Original Assignee
Safran SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Safran SA filed Critical Safran SA
Publication of EP4743300A1 publication Critical patent/EP4743300A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/545—Perforating, cutting or machining during or after moulding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
    • F16C7/02—Constructions of connecting-rods with constant length
    • F16C7/026—Constructions of connecting-rods with constant length made of fibre reinforced resin
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
    • 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
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/24—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three-dimensional [3D] structure
    • 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
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/06—Rods, e.g. connecting rods, rails, stakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/02—Shaping by casting
    • F16C2220/04—Shaping by casting by injection-moulding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/43—Aeroplanes; Helicopters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforced Plastic Materials (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
EP24746398.7A 2023-07-13 2024-07-03 Procede de fabrication d'une piece mecanique en materiau composite ayant un alesage forme a partir de deux preformes fibreuses Pending EP4743300A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2307539A FR3150975B1 (fr) 2023-07-13 2023-07-13 Procede de fabrication d’une piece mecanique en materiau composite ayant un alesage forme a partir de deux preformes fibreuses
PCT/FR2024/050894 WO2025012548A1 (fr) 2023-07-13 2024-07-03 Procede de fabrication d'une piece mecanique en materiau composite ayant un alesage forme a partir de deux preformes fibreuses

Publications (1)

Publication Number Publication Date
EP4743300A1 true EP4743300A1 (fr) 2026-05-20

Family

ID=88505008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24746398.7A Pending EP4743300A1 (fr) 2023-07-13 2024-07-03 Procede de fabrication d'une piece mecanique en materiau composite ayant un alesage forme a partir de deux preformes fibreuses

Country Status (4)

Country Link
EP (1) EP4743300A1 (fr)
CN (1) CN121511163A (fr)
FR (1) FR3150975B1 (fr)
WO (1) WO2025012548A1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH652176A5 (en) * 1981-05-11 1985-10-31 Seger & Hoffmann Ag Elongate force-transmission element and process for producing it
FR2543054B1 (fr) * 1983-03-22 1986-02-28 Renault Procede de fabrication d'une bielle en materiau composite pour moteur, notamment de vehicule automobile

Also Published As

Publication number Publication date
WO2025012548A1 (fr) 2025-01-16
FR3150975A1 (fr) 2025-01-17
FR3150975B1 (fr) 2025-08-29
CN121511163A (zh) 2026-02-10

Similar Documents

Publication Publication Date Title
EP4400524A4 (fr) Composition photodurcissable, article durci, corps stratifié, procédé de production d'article durci et procédé de production de lentille
EP4396005C0 (fr) Procédé de fabrication d'un produit comprenant une couche de surface décorative
EP4375316A4 (fr) Procédé de production de composition de résine de sulfure de polyphénylène recyclée renforcée en fibres de verre et article moulé obtenu par moulage de composition de résine de sulfure de polyphénylène recyclée renforcée en fibres de verre
EP4488318A4 (fr) Procédé destiné à produire un composite formé d'un faisceau de fibres de carbone, et composite formé d'un faisceau de fibres de carbone
EP4297960C0 (fr) Procede de fabrication d'une piece composite et preforme pour sa fabrication
EP4417325A4 (fr) Procédé de production de corps multicouche
EP4289887C0 (fr) Procédé de fabrication d?une composition de résine
EP4249541A4 (fr) Substrat en résine renforcé de fibres, préforme, article moulé intégré et procédé de fabrication de substrat en résine renforcé de fibres
EP4502017A4 (fr) Structure de résine renforcée par des fibres et procédé de production d'une structure de résine renforcée par des fibres
EP4406994A4 (fr) Matériau composite renforcé par des fibres de carbone et procédé de production de matériau composite renforcé par des fibres de carbone
EP4617738A4 (fr) Fibre à âme creuse et procédé de fabrication de fibre à âme creuse
EP4245508C0 (fr) Procédé de fabrication d'un article composite
EP4516820A4 (fr) Procédé de production d'une composition contenant une résine fluorée, et composition contenant une résine fluorée
EP3771541C0 (fr) Préforme, matériau composite de résine renforcée par des fibres et procédé de fabrication d'un matériau composite de résine renforcée par des fibres
EP4484029A4 (fr) Procédé de production d'un corps moulé par estampage à chaud stratifié
EP4424451A4 (fr) Procédé de fabrication d'un corps assemblé
ATE511440T1 (de) Verfahren zur herstellung eines verbundwerkstoffteils
EP4331838A4 (fr) Film stratifié piézoélectrique et procédé de production de film stratifié piézoélectrique
EP4177283A4 (fr) Composition de résine, fibre optique et procédé de production de fibre optique
EP4222764C0 (fr) Procédé de fabrication d'une couche de matière pourvue d'au moins un évidement
EP4105001C0 (fr) Procédé de fabrication d'un corps creux composite fibreux à doublage
EP4324634A4 (fr) Procédé permettant de fabriquer un article en résine renforcé par des fibres, et article en résine renforcé par des fibres
EP4464436A4 (fr) Procédé de fabrication d'un matériau composite à matrice métallique
EP4458918A4 (fr) Procédé de fabrication d'un corps assemblé
EP4011841C0 (fr) Procédé de fabrication d'une préforme pour fibre à coeur creux anti-résonante

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE