WO2010142610A1 - Gabarit et jeu de gabarits utilisés pour la réparation de matériaux composites - Google Patents

Gabarit et jeu de gabarits utilisés pour la réparation de matériaux composites Download PDF

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Publication number
WO2010142610A1
WO2010142610A1 PCT/EP2010/057835 EP2010057835W WO2010142610A1 WO 2010142610 A1 WO2010142610 A1 WO 2010142610A1 EP 2010057835 W EP2010057835 W EP 2010057835W WO 2010142610 A1 WO2010142610 A1 WO 2010142610A1
Authority
WO
WIPO (PCT)
Prior art keywords
template
templates
stencil
recess
grinding
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
Application number
PCT/EP2010/057835
Other languages
German (de)
English (en)
Inventor
Jörg-Ulrich ZOWALLA
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2010142610A1 publication Critical patent/WO2010142610A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/04—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements
    • B29C73/10—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements using patches sealing on the surface of the article
    • 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
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/04—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements
    • B29C73/10—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements using patches sealing on the surface of the article
    • B29C73/12—Apparatus therefor, e.g. for applying
    • 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
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/24—Apparatus or accessories not otherwise provided for
    • B29C73/26—Apparatus or accessories not otherwise provided for for mechanical pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/20—Curve rulers or templets
    • B43L13/201—Stencils for drawing figures, objects
    • B43L13/205—Stencils for drawing figures, objects geometrical figures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L9/00—Circular curve-drawing or like instruments
    • 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
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/24—Apparatus or accessories not otherwise provided for
    • B29C73/26—Apparatus or accessories not otherwise provided for for mechanical pretreatment
    • B29C2073/264—Apparatus or accessories not otherwise provided for for mechanical pretreatment for cutting out or grooving the area to be repaired

Definitions

  • Stencil and stencil are used in the repair of composite materials
  • the present invention describes a stencil set comprising a plurality of n separated stencils each having a peripheral contour and a central recess surrounding a recess contour, in particular as an aid for the repair of damaged areas in surfaces.
  • Fiber reinforced composites including multi / unidirectional woven fabrics of glass, carbon or aramid fibers, are used in aerospace, boatbuilding, automotive, but also in modeling and sports equipment.
  • the laminate structure comprises a plurality of different fiber-reinforced composite layers, which are bonded together with different fiber orientations oriented relative to one another, whereby an extreme strength can be achieved.
  • EP178294 discloses a method for easy and quick repair of damaged areas, but no tool which simplifies the preparation of the surface.
  • SRMs Structure Repair Manuals
  • the object of the present invention is to provide a template which permits simple and reproducible grinding surface marking in the area of damaged areas in surfaces, in particular of composites, and an exact and reproducible cutting definition of corresponding patches, in particular of composite materials, which are connected to material the prepared surface can be used.
  • Another object of the invention is to provide a stencil set of a plurality of stencils which achieves the abrasive surface marking in different sizes corresponding to each other on the surface to be prepared.
  • the individual stencils are designed such that they can be stowed and transported into one another.
  • the stencil according to the invention as well as the stencil set can be used for repairing damaged areas in a surface of multilayer composite materials which have a laminate structure.
  • the use of the stencil according to the invention can be used for repairing damaged areas in a surface of multilayer composite materials which have a laminate structure.
  • FIG. 1 shows a first template and a first template set, comprising template-like configured templates in a perspective view.
  • Figure 2 shows a sectional view of a surface with an applied template on the outer contour of a marking means is guided along.
  • FIG. 3 a shows a sectional side view of a five-layered laminate structure of composite materials with a damaged area
  • FIG. 3 b shows a sectional side view according to FIG. 3 a with a blister set, which is a flat panel
  • FIG. 3c shows a sectional side view of the ground surface according to FIG. 3a, with a total of five grinding surfaces being applied.
  • FIG. 3d shows a sectioned side view of the prepared surface, as well as patches already to be positioned already cut by means of a template set, while FIG. 3d
  • FIG. 3e shows a sectioned side view of the repaired surface after a material connection of the patches.
  • FIG. 4a shows a perspective view of a second stencil set, wherein the first stencil is disc-shaped and the plurality of second stencils are annular.
  • FIG. 4b shows the second stencil set according to FIG. 4a folded together in a plan view.
  • Figure 5 shows a sectional view of a surface with an applied second template in the central recess a grinding device is moved.
  • Figures 6a to 6c show the Schleif vomkennrace, as well as the Absch leiflui in nerha lb egg ner four-ply surface of fiber-reinforced composite material in a sectional side view shown.
  • a template 1, as well as a stencil set 0, comprising the template 1 and at least one corresponding additional template 1 'and the use for the preparation of flat and curved surfaces 3 are disclosed.
  • a marking of the cut lines on patches 2 made of repair material, preferably in the form of fiber-reinforced composite material, can additionally be carried out with the template 1 and the at least one additional template 1 '.
  • the surfaces 3 shown in the figures represent multilayer surfaces 3 of fiber-reinforced composite materials, which have a so-called laminate structure and are used primarily in aircraft, boat and automobile construction.
  • the egg sentence of the templates 1, 1 'presented here is explained using the example of fiber-reinforced composite materials, their use for solid single-layer surfaces 3 is also possible.
  • the blade 1 is a plate having a peripheral contour 11 and a central recess 10
  • the recess contour 12 delimits the central recess 10, wherein the contact between the recess and the recess is limited to the central recess 10
  • Circumferential contour 11 forms a covering surface 13 of the template 1.
  • the template 1 is formed as a rotationally symmetrical disc with a circular peripheral contour 11.
  • the template 1 as a disc and in forming the base of the
  • the cover surface 13 is annular. It is depending on the purpose but also possible to make the template 1 with a polygonal circumferential contour 11 and a polygonal base of the recess 10.
  • the at least one additional template 1 ' has compared to the template 1 different sized outer circumferential contours 11 and different stepped diameters Di.
  • the diameter Dr of successive additional templates 1 ' is gradually increased.
  • the template 1 with the smallest diameter Di of the entire template set 0 is always referred to here.
  • All additional templates 1 ' have correspondingly stepwise larger diameter D r .
  • a minimum overlap of successive templates 1 or additional templates 1 'of at least half an inch is preferred.
  • the template 1 has a thickness and thereby an edge surrounding the peripheral contour 11 so that a marking means 7, for example a pin 7, can be guided along the edge around the peripheral contour 11 and along the recess contour 12, whereby grinding surface delimiting lines 55 can be produced on the surface 3.
  • a marking means 7, for example a pin 7 can be guided along the edge around the peripheral contour 11 and along the recess contour 12, whereby grinding surface delimiting lines 55 can be produced on the surface 3.
  • Fig. 3 the stepwise repair of a damaged area 4 in a surface 3 of a fiber reinforced composite comprising five different layers of material 30, 31, 32, 33, 34 is shown.
  • the first layer 30 according to the grinding surface marking of the largest, with respect to the diameter, additional template 1 'by means of a grinding device 8 ground.
  • a first grinding surface 50 is abraded according to the marked grinding surface delimiting lines 55.
  • the second layer 31 is ground according to a marked second grinding surface 51 corresponding to the second largest additional template 1 '. This process is repeated accordingly until the third layer 32, the fourth layer 33 and the fifth layer 34 have been graded with different diameters, according to a third grinding surface 52, a fourth grinding surface 53, and a fourth grinding surface 54 have been ground.
  • the template 1, as well as the additional templates 1 ' are likewise used for the reproducible cutting definition of corresponding patches 2, in particular made of composite materials which are suitable for material-bonding connection with the prepared surface 3.
  • the blank definition is carried out on the patches 2 by a marking agent 7 is guided around the peripheral contour 11 of the template 1 and the additional templates 1 ', while the template 1 and the additional templates 1' are held fixed by hand.
  • a cut of the patches 2 After the blank definition, a cut of the patches 2 according to the prior art. After the preparation of the surface and the cutting of the patches 2, the patches 2 are secured in a coherent manner with an adhesive, for example synthetic resin, on the abraded surfaces of the surface 3.
  • the patches 2 can either be impregnated with synthetic resin, or be coated on both sides with synthetic resin, before they are placed on the surface and pressed. Under certain circumstances, a repainting with adhesive, especially with synthetic resin is necessary after the positioning of the patches 2. In order to support the fixation of the patches 2 on thin surfaces 3, the use of a support pad 6 below the surface 3 is helpful.
  • the two composite materials are impregnated with adhesive and glued in different fiber orientations over the ground grinding surfaces.
  • known standard methods for pressing, drying and curing, for example by generating a vacuum in the region of the patches 2 can be carried out.
  • This known Vakuumiermethode uses the outer air pressure for a uniform pressing of the patches 2 on the surface.
  • FIGS. 4a and 4b Another embodiment of the stencil set 0 is shown in FIGS. 4a and 4b.
  • the additional templates 1 ' are at least approximately annular, wherein the central recess 10 is designed to be correspondingly large.
  • the template 1 is annular and has such a large diameter that the template 1 in the recess contour 12 of the following additional annular second template 1 'is flush inserted.
  • Each additional additional template 1 ' can be inserted into the recess contour 12 of the respectively next larger additional template 1'.
  • Each subsequent next larger additional template 1 ' completely surrounds the smaller template 1 or additional template 1'. That's the way it is it is possible to put together the template 1 and the plurality of additional templates 1 'in a plane stencil set 0. It is also possible to make the template 1 as in the first embodiment according to FIG.
  • a grinding device 8 can be inserted directly into the recess 10, the recess 10 transversely and operated there.
  • the user can either hold them by hand or, for example, fix them releasably on the surface 3 with an adhesive tape.
  • FIG. 5 shows an additional template 1 'which is placed on the surface 3 or on the first layer 30 and fixed.
  • the central recess 10 marks the grinding surface without the need for marking with marking means.
  • the first layer 30 can be removed directly with the grinding device 8.
  • the grinding head 80 of the grinding device 8 is moved within the recess 10 on the first layer 30, wherein a region around the damaged area 4 to the second layer 31 in the z-direction is removed.
  • FIGS. 6a to 6c show the further steps of the stencil support and thus for the grinding surface marking and the individual abrading processes.
  • the grinding process directly in the recess 10 of the templates 1, 1' take place.
  • the patches 2 are cut with the template 1 and the plurality of additional templates 1 ', so that on the grinding surfaces adapted patches 2 can be produced.
  • the template 1, as well as the additional templates 1 ' have a defined edge, so that the circumferential contour 11 of the templates 1, 1' defined with the marking means 7 is reversible.
  • the thickness of the templates 1, 1' must be such that the templates 1, 1 'can be fixed stably on the surface 3 or on the patches 2.
  • the first template 1 can optionally be embodied as an annular template 1 or disc-shaped template 1, with the outer circumferential contour 11 of the template 1 corresponding to the recess contour 12 of the following additional template 1 'corresponding to the template blone 1 is completely enveloped by the following additional template 1 'in a plane.
  • the diameter of the template 1 must be at least approximately the diameter of the central recess 10 of the stencil 1 following additional template 1 'correspond.
  • the diameter of the successive additional templates 1 ' is executed stepwise verg rosse rt.
  • the material of the template 1 and the additional templates 1 ' should be chosen to be flexible. For a nestling of the template 1 and the additional templates 1 'on a curved surface 3 is possible.
  • the template 1 and the additional templates 1 'are made of dimensionally stable and chemically neutral materials. Then it is possible to pass along the marking means and the grinding head and the templates 1, 1 'are not chemically attacked during the grinding process.
  • the material used can nevertheless be flexible within narrow limits, flexible and easily deformable according to the curved surfaces.
  • the different sized, stepped running diameter of the templates 1, 1 ' are designed such that a minimum overlap of the next smaller grinding surface is achieved. For example, since the S RM of at least one well-known manufacturer (OEM) requires a minimum overlap of Vi inch, the gradual reduction of the diameter is carried out accordingly.
  • OEM well-known manufacturer

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

L'invention concerne un gabarit (1) et un jeu de gabarits (0) comprenant le gabarit (1) et au moins un gabarit supplémentaire correspondant (1'), et l'utilisation pour la préparation de surfaces planes et incurvées (3), de préférence formées de plusieurs couches de matériau composite. Outre la préparation des surfaces (3), on peut également effectuer avec le gabarit (1) et au moins un gabarit supplémentaire (1'), un marquage des lignes de coupe sur des rénovations en matériau de réparation sous forme de matériau composite renforcé par fibres.
PCT/EP2010/057835 2009-06-11 2010-06-04 Gabarit et jeu de gabarits utilisés pour la réparation de matériaux composites Ceased WO2010142610A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00907/09A CH701247A1 (de) 2009-06-11 2009-06-11 Schablone und Schablonenset zum Einsatz bei der Reparatur von Verbundwerkstoffen.
CH907/09 2009-06-11

Publications (1)

Publication Number Publication Date
WO2010142610A1 true WO2010142610A1 (fr) 2010-12-16

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PCT/EP2010/057835 Ceased WO2010142610A1 (fr) 2009-06-11 2010-06-04 Gabarit et jeu de gabarits utilisés pour la réparation de matériaux composites

Country Status (2)

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CH (1) CH701247A1 (fr)
WO (1) WO2010142610A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103648755A (zh) * 2011-07-07 2014-03-19 约尔格-乌尔里希·佐瓦拉 用于制造和修复合成材料复合部件的系统
CN114241047A (zh) * 2021-12-02 2022-03-25 广西大学 一种用于园林绿篱修剪的双目视觉识别和定位方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9676151B2 (en) * 2011-05-17 2017-06-13 The Boeing Company Bonded rework template system
FR3121382B1 (fr) * 2021-03-30 2023-11-17 Safran Aircraft Engines Réparation d’une pièce en matériau composite

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2207848A (en) * 1987-08-14 1989-02-15 Malcolm Thomas Craig Apparatus for marking a surface
US5023987A (en) * 1989-08-28 1991-06-18 The Boeing Company Strato streak flush patch
US20030188821A1 (en) * 2002-04-09 2003-10-09 The Boeing Company Process method to repair bismaleimide (BMI) composite structures
US7387819B2 (en) * 2005-01-10 2008-06-17 Ppg Industries Ohio, Inc. Method and apparatus for repairing bed-liner coatings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4820564A (en) * 1984-10-29 1989-04-11 The Boeing Company Blind-side repair patch kit
CA1250140A (fr) * 1985-08-22 1989-02-21 Black & Associates Instrument de tracage
DE3726638A1 (de) * 1987-08-11 1989-02-23 Paul Stueben Rundschablonen-system
FR2801964B1 (fr) * 1999-12-07 2002-06-21 Raja Hanbali Siblini Dispositif permettant de combiner deux ou plusieurs systemes de mesures sur la base de support circulaire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2207848A (en) * 1987-08-14 1989-02-15 Malcolm Thomas Craig Apparatus for marking a surface
US5023987A (en) * 1989-08-28 1991-06-18 The Boeing Company Strato streak flush patch
US20030188821A1 (en) * 2002-04-09 2003-10-09 The Boeing Company Process method to repair bismaleimide (BMI) composite structures
US7387819B2 (en) * 2005-01-10 2008-06-17 Ppg Industries Ohio, Inc. Method and apparatus for repairing bed-liner coatings

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BAKER A A ED - MIDDLETON DONALD H: "Repair Techniques for Composite Structures", 1 January 1990, COMPOSITE MATERIALS IN AIRCRAFT STRUCTURES, LONGMAN, NEW YORK, PAGE(S) 207 - 227, ISBN: 978-0-582-01712-2, XP008103764 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103648755A (zh) * 2011-07-07 2014-03-19 约尔格-乌尔里希·佐瓦拉 用于制造和修复合成材料复合部件的系统
CN103648755B (zh) * 2011-07-07 2016-01-13 约尔格-乌尔里希·佐瓦拉 用于制造和修复合成材料复合部件的系统
CN114241047A (zh) * 2021-12-02 2022-03-25 广西大学 一种用于园林绿篱修剪的双目视觉识别和定位方法

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Publication number Publication date
CH701247A1 (de) 2010-12-15

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