WO2013139834A1 - Procédé de drapage de bande thermoplastique, utilisation d'une bande, et bande - Google Patents

Procédé de drapage de bande thermoplastique, utilisation d'une bande, et bande Download PDF

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Publication number
WO2013139834A1
WO2013139834A1 PCT/EP2013/055778 EP2013055778W WO2013139834A1 WO 2013139834 A1 WO2013139834 A1 WO 2013139834A1 EP 2013055778 W EP2013055778 W EP 2013055778W WO 2013139834 A1 WO2013139834 A1 WO 2013139834A1
Authority
WO
WIPO (PCT)
Prior art keywords
tape
thermoplastic
fiber
reinforcing fibers
plastic
Prior art date
Application number
PCT/EP2013/055778
Other languages
German (de)
English (en)
Inventor
René HOLSCHUH
Marcel Christmann
Jens Lichtner
Original Assignee
Institut Für Verbundwerkstoffe Gmbh
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 Institut Für Verbundwerkstoffe Gmbh filed Critical Institut Für Verbundwerkstoffe Gmbh
Publication of WO2013139834A1 publication Critical patent/WO2013139834A1/fr

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
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
    • B29C70/506—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands and impregnating by melting a solid material, e.g. sheet, powder, fibres
    • 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
    • B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat
    • 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
    • B29C70/34—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 and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • 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
    • B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
    • B29C70/386—Automated tape laying [ATL]

Definitions

  • thermoplastic tape laying Method for thermoplastic tape laying, the use of a tape and a tape
  • the invention relates to a process for thermoplastic tape laying, the
  • thermoplastic fiber-plastic composite FKV
  • Plastics are stored in the factory. Workplaces made from a thermoplastic fiber-plastic composite are characterized by high strength and rigidity and are regularly used, for example, in the automotive industry as well as in the aerospace industry.
  • thermoplastic Tapelegeclar For the creation of workpieces made of a thermoplastic fiber-plastic composite so-called thermoplastic Tapelegeclar are known.
  • duroplastics tapes are made of tapes in the form of a fiber-plastic composite of reinforcing fibers and a duroplastic material.
  • the invention relates to a method for thermo-elastic tape laying, in which tapes in the form of a fiber-plastic composite of reinforcing fibers and a thermoplastic material are used,
  • thermoplastic tape laying Today, unidirectional fiber reinforced, fully impregnated and consolidated tapes are used in thermoplastic tape laying.
  • the thermoplastic tapes are usually provided wound on spools and taping continuously unwound from the spool and deposited on a surface of a tool or component. Immediately before the deposit, during the deposit or
  • the tapes or the portions of the tapes to be deposited or deposited on the surface are heated to above the melting temperature of the thermoplastic of the tap.
  • the tapes deposited on the surface have cooled and the thermoplastic has hardened again, the tapes form a workpiece made of a thermoplastic fiber-plastic composite. As a rule, this workpiece can already be made available as a final component from a fiber-plastic composite.
  • thermoplastic tape laying In principle, corresponding processes for thermoplastic tape laying have proven successful. In particular, methods for thermoplastic tape laying can be performed easily, as far as the tapes in geodesic Lanes can be stored on the surface of the tool or component. Often, however, it is not possible to place the tapes on the surface in geodesic orbits alone. Rather, due to the specific surface on which they are deposited, the tapes must regularly also be filed in a curve shape. In a curved drape, the tapes are at least partially bent in the plane of the tapes
  • the prior art does not provide a solution to the problem, as in a kurvenförmi gene storage of the tapes in thermoplastic boarding an ondulation of the tapes can be avoided.
  • the present invention is based on the object to provide a method for thermoplastic composting for the production of a workpiece from a thermoplastic-plastic fiber composite composite available through the tapes even with a curved placement of tapes ondulationslitis on a surface of a workpiece or component can be stored.
  • thermoplastic bonding method for producing a workpiece from a fiber-plastic composite, comprising the following steps:
  • At least one tape in the form of a fiber-plastic composite of Verstärkungsfasem and a thermoplastic material; Heating at least a portion of the tape to a temperature above the melting temperature of the thermoplastic;
  • the invention is based on the basic knowledge according to the invention that tapes in the form of a fiber-plastic composite of reinforcing fibers and a thermoplastic thermoplastics in a thermoplastic Tapelegeveriahren can be stored ondulationslitis even with a curved placement of tapes when the reinforcing fibers in the form of staple fibers in Tape available.
  • Thermoplastics of the tape heated by heating above its melting temperature i st the tape can be stored curved, without the tape on the inside of the curve wrinkles or undulates.
  • workpiece is, as far as used herein, understood both a finished component and a semi-finished product in the form of a fiber-plastic composite.
  • the tapes are inventively preferably heated immediately before their deposition or during deposition on the surface of the tool or component to a temperature above the melting temperature of the thermoplastic Kunststoffsto ffs the tape.
  • a relatively short portion of the tape is heated, in particular a portion which is deposited immediately after di e heating on the surface.
  • a portion of the tape is heated at least over a length which is twice the length of the longest staple fibers of the tape.
  • the tapes when curving on such a minimum length curvatures particularly well undulation-free i st.
  • the tapes may have a thickness in the range of 0.1 to 1 mm, and for example have a width in the range of 5 to 30 mm,
  • the reinforcing fibers and the thermoplastic material of the tape may be the reinforcing fibers and thermoplastics known from the prior art.
  • the staple fibers may be reinforcing fibers of glass, carbon, aramid, steel, boron or SiC.
  • the thermoplastic material may be, for example, a plastic in the form of polypropylene (P.P), polyamide 66, polyethylene terephthalate (PET),
  • PPS Polyphenylene sulfide
  • PEEK polyetheretherketone
  • a tape head is a rotatable and regularly pivotable roller or roller that can pick up a tape and roll it on a surface.
  • pressure on the tape will be applied. This pressure can be applied in particular by the tape head on the tape. By applying pressure to the deposited tape in particular a complete
  • the tape can - before filing on the tool surface or
  • the reinforcing fibers are completely impregnated with the thermoplastic material and the free spaces between the fibers are completely filled with the plastic.
  • the free space between the fibers is not or only partially filled with the plastic.
  • thermoplastic material workpiece may be present in the form of a finished component. Further treatment of the workpiece obtained after cooling is not necessary for obtaining a finished component.
  • the proportion of the reinforcing fibers in the fully consolidated tape may, for example, be in the range of 30 to 70% by volume, based on the volume of the tape.
  • the tape provided for the inventive method in the form of a not completely consolidated fiber-plastic composite Wi rd can be provided in particular that the reinforcing fibers with the thermoplastic already completely or partially impregnated s ind, but the space between the fibers is not or largely not filled with the thermoplastic material.
  • non-taped Tapes can therefore be provided, for example, in particular in the form of preimpregnated fiber bundles available.
  • Fiber pia.ee.ment Tape laying processes employing tapes in the form of such fiber bundles are also referred to as "fiber pia.ee.ment” and have heretofore been known solely from the technology of thermoset tape ply.
  • the fibers are completely or partially impregnated or coated with the thermoplastic in the case of non-fully consolidated tapes.
  • the fibers are not completely consolidated tapes with a powder of a
  • thermoplastic coated The share of the
  • thermoplastic plastic powder based on the total mass of the tape. may for example be in the range of only 0.2 to 5% by mass, preferably in the range of from 0, 5 to 2% by mass, after heating, depositing and
  • thermoset is introduced into the workpiece after it has been produced or when the thermoplastic has completely hardened.
  • a duroplastic plastic may be injected into the workpiece by an autoclave or vacuum injection process
  • thermoset introduced into the free spaces completely fills the open spaces.
  • thermoset subsequent complete crosslinking or solidification of the thermoset yields a final component.
  • Embodiment of the method according to the invention is in particular that for the preparation of the workpiece, in which a thermosetting plastic is introduced, a thermoplastic Tapelegeclar can be used in the
  • thermosetting Tapelege compiler with a much simpler process technology is feasible.
  • this embodiment makes it possible, however, to produce a component made of a fiber-plastic composite in which the plastic is largely in the form of a fiber-plastic composite
  • Thermosets vorl Lies which has over a thermoplastic for many applications more advantageous properties.
  • thermoplastic tapes in carrying out the method according to the invention on the e e to the thermoplastic tapes from the prior art known methods and techniques are used, in particular the
  • Component surface applying pressure to the deposited tape as well separating off tapes on the tool surface or component surface.
  • the tape is brought into a shape that later
  • Geometry of the tape when laying on the surface is equal or approximated. As a result, it is possible to also store the tape curvedly with especially small radii ondulationslitis.
  • the predraping of the tape may be accomplished by any means known in the art
  • Draping device suc conditions.
  • the tape is first heated to a temperature above the melting temperature of the thermoplastic material of the tape, subsequently predrawn and then, if appropriate after further heating, deposited on the surface of the tool or component,
  • the invention further relates to the use of a tape in the form of a fiber-plastic composite of reinforcing fibers and a
  • thermoplastic material in which the reinforcing fibers are present in the form of staple fibers, for thermoplastic tape laying to create a workpiece.
  • the invention further relates to a tape in the form of a fiber-plastic composite of reinforcing fibers and a thermoplastic material in which the reinforcing fibers are in the form of staple fibers.
  • Figure 1 shows the implementation of the method according to the invention by means of a device for thermoplastic tape Tiegen.
  • the apparatus for thermoplastic tape-bending in FIG. 1 is identified by the reference numeral 1.
  • the device 1 comprises, in particular, a semifinished product reel 3, a conveying and guiding system 5, a cutting device 7, a stacking head 9 and a heating device 11.
  • the wound up first on the Halbzeugspuie 3 Tape 1 3 can be unwound by means of the conveying and guiding system 5 of the semi-finished coil 3 and the tape head 9 can be fed.
  • the Tapelegekopf 9 is designed as a swivel and rollable roller, which under pressure against the surface 15 of a tool 1 7 feasible and unrolled on this i st. , ⁇ ?.
  • the Schneidevorrichtimg 7 connects. d urch which the tape 13, after it has been supplied to the tape head 9, can be cut off.
  • the tape 1 3 is heated.
  • the heating device 1 1 i st arranged such that a portion of the tape 1 3 is heated in its supply to the tape head 9.
  • Tool 1 7 can be stored.
  • the device 1 which is movable in its entirety, is moved along the surface 15 of the tool 17.
  • Tapel egekorb 9 receives the supplied from the conveying and guiding system 5 tape 13 and sets di eses from rolling on the surface 15, over which it is moved under pressure.
  • the tape 1 3 kurvenförmi g on the surface 15 of the tool 17 can be stored.
  • the tape 1 3 according to the invention in the form of a fiber-plastic composite of ampli gs fibers in the form of staple fibers and a
  • thermoplastic's plastic Since the tape is 1 3 immediately before being deposited by the heating device 1 1 heated so that the thermoplastic material of the tape 13 melts, the staple fibers of the tape 1 3 in the heated portion of the tape are mutually movable, so that the tape 1 3 also can be deposited on the surface 1 5 in the case of a curvilinear laying on undulating. Kachdem the tape 13 has been deposited in a desired length on the surface 15, this dropped section is through the
  • thermoplastic Tapeiegeclar feasible in which the
  • thermoplastic tape 13 can be deposited on the surface 15 of a tool 17, even with a curvilinear laying down.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Robotics (AREA)
  • Reinforced Plastic Materials (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

L'invention concerne un procédé de drapage d'une bande thermoplastique, l'utilisation d'une bande (13), ainsi qu'une bande (13).
PCT/EP2013/055778 2012-03-21 2013-03-20 Procédé de drapage de bande thermoplastique, utilisation d'une bande, et bande WO2013139834A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210102407 DE102012102407A1 (de) 2012-03-21 2012-03-21 Verfahren zum thermoplastischen Tapelegen, die Verwendung eines Tapes sowie ein Tape
DE102012102407.3 2012-03-21

Publications (1)

Publication Number Publication Date
WO2013139834A1 true WO2013139834A1 (fr) 2013-09-26

Family

ID=47988951

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/055778 WO2013139834A1 (fr) 2012-03-21 2013-03-20 Procédé de drapage de bande thermoplastique, utilisation d'une bande, et bande

Country Status (2)

Country Link
DE (1) DE102012102407A1 (fr)
WO (1) WO2013139834A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015122026A1 (de) 2015-12-16 2017-06-22 Automation Steeg & Hoffmeyer Gmbh Vorrichtung und Verfahren zur Komposition von Faser-Kunststoff-Verbunden mit hohen Appliziergeschwindigkeiten

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014223565A1 (de) * 2014-11-19 2016-05-19 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Herstellung eines Faserhalbzeugs und Faserhalbzeug
DE102015215669A1 (de) 2015-08-18 2017-02-23 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Herstellen eines Faserverbundbauteils mittels imprägnierter Faserrovings
DE102016117799A1 (de) 2016-09-21 2018-03-22 Airbus Operations Gmbh System und verfahren zur herstellung eines faserverbundhalbzeugs sowie ein verfahren zur herstellung eines faserverbundbauteils
DE102017215153B4 (de) 2017-08-30 2021-08-26 M & A - Dieterle GmbH Maschinen- und Apparatebau Handführungsvorrichtung
DE102021125797A1 (de) 2021-10-05 2023-04-06 Deutsches Zentrum für Luft- und Raumfahrt e.V. Tapelegemaschine und Verfahren zur Tapeablage an einem Substrat

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB735532A (en) * 1951-10-31 1955-08-24 Gen Electric Improvements in and relating to electrical insulation
EP0431916A2 (fr) * 1989-12-06 1991-06-12 E.I. Du Pont De Nemours And Company Procédé pour appliquer des rubans
EP2052831A1 (fr) * 2006-08-18 2009-04-29 Fukui Prefectural Government Stratifiés moulés à renfort multiaxial et leur procédé de production

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7842145B2 (en) * 2004-10-05 2010-11-30 The Boeing Company Method for laying composite tape
DE102009009186B4 (de) * 2009-02-16 2011-04-21 Airbus Operations Gmbh Anpressvorrichtung zum Anpressen von faserverstärkten thermoplastischen Materialien und Faseranordnungsvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB735532A (en) * 1951-10-31 1955-08-24 Gen Electric Improvements in and relating to electrical insulation
EP0431916A2 (fr) * 1989-12-06 1991-06-12 E.I. Du Pont De Nemours And Company Procédé pour appliquer des rubans
EP2052831A1 (fr) * 2006-08-18 2009-04-29 Fukui Prefectural Government Stratifiés moulés à renfort multiaxial et leur procédé de production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015122026A1 (de) 2015-12-16 2017-06-22 Automation Steeg & Hoffmeyer Gmbh Vorrichtung und Verfahren zur Komposition von Faser-Kunststoff-Verbunden mit hohen Appliziergeschwindigkeiten

Also Published As

Publication number Publication date
DE102012102407A1 (de) 2013-09-26

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