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WO2018124354A1 - Procédé de fabrication d'un matériau composite plastique renforcé de fibres recouvert de revêtements de tôle, et composant en matériau composite pour structure légère fabriquée par celui-ci - Google Patents

Procédé de fabrication d'un matériau composite plastique renforcé de fibres recouvert de revêtements de tôle, et composant en matériau composite pour structure légère fabriquée par celui-ci Download PDF

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Publication number
WO2018124354A1
WO2018124354A1 PCT/KR2017/000086 KR2017000086W WO2018124354A1 WO 2018124354 A1 WO2018124354 A1 WO 2018124354A1 KR 2017000086 W KR2017000086 W KR 2017000086W WO 2018124354 A1 WO2018124354 A1 WO 2018124354A1
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WO
WIPO (PCT)
Prior art keywords
skin
metal plate
composite material
plate skin
sheet
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/KR2017/000086
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English (en)
Korean (ko)
Inventor
김낙수
이철수
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.)
Sogang University Research Foundation
Original Assignee
Sogang University Research Foundation
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 Sogang University Research Foundation filed Critical Sogang University Research Foundation
Publication of WO2018124354A1 publication Critical patent/WO2018124354A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a method for manufacturing a composite material applied to a structure such as a vehicle body, and more particularly, to a method for manufacturing a fiber-reinforced plastic composite material covered with a metal sheet skin.
  • structures such as automobile bodies are required to have both structural strength and rigidity to maintain their shape and to be molded into complex shapes.
  • structural strength and formability a structure in which a metal plate is pressed is widely used, but various materials are being researched because it is difficult to satisfy all the various characteristics required for the structure.
  • the polymer resin having excellent molding processability it is common to not have the strength and rigidity of the structure, and in the case of the polymer resin composite material having the strength and rigidity as the structure, it is very expensive and is used only in special cases.
  • the present invention has been made in an effort to provide a novel method for manufacturing a fiber reinforced plastic composite material covered with a sheet metal skin and a composite part for a lightweight structure manufactured accordingly.
  • Method for producing a fiber-reinforced plastic composite material covered with a metal sheet skin for achieving the above object, metal sheet skin pre-stamping to manufacture the upper metal plate skin and the lower metal plate skin by stamping and molding two pieces of metal plate step; A press for installing the upper metal plate skin and the lower metal plate skin on a press equipment and placing a thermosetting resin material mixed with reinforcing fibers as an inner material between the upper metal plate skin and the lower metal plate skin.
  • thermosetting resin mixed with reinforcing fibers disposed between the upper metal plate skin and the lower metal plate skin, wherein the upper metal plate skin and the lower metal plate skin are pressed into a press equipment.
  • a thermosetting adhesive is applied to the lower surface of the upper metal plate skin and the upper surface of the lower metal plate skin, and the upper metal plate material is formed while the thermosetting resin mixed with the reinforcing fiber is molded and cured in the pressing process. It is characterized in that the thermosetting adhesive applied to the lower surface of the skin and the upper surface of the lower metal plate skin is cured and bonded.
  • the upper metal plate skin is attached to the upper frame of the press equipment, the lower metal plate skin is attached to the lower frame of the press equipment, and the upper metal plate skin is vacuum-adsorbed to the upper frame. It is preferable to attach.
  • the preheating step is preferably performed by heating the upper frame or the lower frame, it is preferably carried out by heating the upper frame and the lower frame at the same time.
  • thermosetting resin mixed with reinforcing fibers it is preferable to use an SMC material, and in the press process preparation step, the SMC sheet may be placed on the surface of the lower metal plate skin coated with a thermosetting adhesive. At this time, it is preferable to divide the SMC sheet into a plurality of pieces to be spaced apart from each other.
  • the material of the upper metal plate skin and the lower metal plate skin may be selected from materials such as aluminum, mild steel, high tensile steel (HSS), stainless steel (SUS), titanium and magnesium. At this time, the material of the upper metal plate skin and the lower metal plate skin may be configured differently.
  • SMC has the flexibility of design to fabricate composite materials inserted into metal sheet skin into various shapes including curved surface. At the same time, it shows high productivity to produce fiber-reinforced plastic composites covered with metal sheet skin at low cost, and also has the effect of manufacturing large-area products.
  • the composite material part for a light weight structure is a composite material part suitable for a structure that supports a load and maintains its appearance, and is manufactured by the above-described method, and the two metal sheet materials manufactured by molding a metal sheet in advance. skin; And an inner material of a thermosetting resin material interposed between the metal sheet skins and reinforcing fibers bonded by a thermosetting adhesive applied to each of the inner surfaces of the two sheet metal skins.
  • the metal sheet skins are molded into a shape of an inner surface facing each other by a press process using metal sheet skins as a mold, and are bonded to the metal sheet skins by the thermosetting adhesive.
  • the internal material of the composite component part for the structure is SMC material, and the thickness of the internal material is preferably in the range of 60 to 80% of the total thickness of the composite material for the structure.
  • the material of the metal sheet skin constituting the composite material part for the structure may be aluminum, mild steel, high tensile strength steel (HSS), stainless steel (SUS), titanium, magnesium, or the like.
  • the composite material part for structures of this invention is an automobile body.
  • the composite component part for a structure using the fiber-reinforced plastic composite material covered with the metal sheet skin of the present invention can additionally obtain the characteristics of the weighted and inserted internal materials while maintaining the advantages of the metal material structure. Specifically, in addition to the characteristics of the metal plate can exhibit the ability to block and absorb vibration and noise, as a result there is an effect that the specific strength and specific rigidity of the structure is further improved.
  • the method of manufacturing the fiber-reinforced plastic composite material covered with the metal sheet skin of the present invention configured as described above is made by stamping molding two metal sheet skins first, and then inserting and bonding the SMC therebetween, so as to cure once
  • the SMC which is difficult to change its shape, has the flexibility of designing the composite material inserted into the sheet metal skin into various shapes including curved surfaces. At the same time, it shows high productivity to produce fiber-reinforced plastic composites covered with metal sheet skin at low cost, and also has the effect of manufacturing large-area products.
  • the composite component part of the structure of the present invention can additionally obtain the characteristics of the weight and the internal material inserted while maintaining the advantages of the metal material structure.
  • the characteristics of the metal plate can exhibit the ability to block and absorb vibration and noise, as a result there is an effect that the specific strength and specific rigidity of the composite composite component for the structure is further improved.
  • the composite component part for a structure of this invention is comprised by the metal plate skin which is a metal material on both surfaces, and is excellent in the adhesiveness with another metal part.
  • FIG. 2 is a view for explaining the pressing process preparation step for applying the method of manufacturing a fiber-reinforced plastic composite material covered with a metal sheet skin according to the present embodiment.
  • FIG 3 is a view showing a pressing process preparation step during the manufacturing process of the fiber-reinforced plastic composite material covered with a metal sheet skin according to the present embodiment.
  • FIG. 4 is a view showing a pressing process in the process of manufacturing a fiber-reinforced plastic composite material covered with a metal sheet skin according to this embodiment.
  • FIG. 1 is a flow chart showing a method of manufacturing a fiber-reinforced plastic composite material covered with a metal sheet skin according to an embodiment of the present invention.
  • the method of manufacturing a fiber reinforced plastic composite material covered with the metal sheet skin of the present invention includes a metal sheet skin pre-stamping step, a press process preparation step, a metal sheet skin preheating step, and a press process step, and each of the specific steps will be described below. Take a look.
  • the manufacturing method of the present embodiment performs the pre-stamping to manufacture the upper metal plate skin and the lower metal plate skin by stamping molding the metal plate.
  • the stamping process can form irregularities on the surface in addition to molding the overall shape such as forming a curved surface on the metal sheet. It is common to form a curved surface in the case of a composite material using fiber-reinforced plastic and a metal material at the same time. However, the present invention is very easy to form a curved surface because the metal sheet is stamped and molded in advance.
  • the material of the metal plate may be used in a variety of high strength aluminum, mild steel, high-tensile steel (HSS), stainless steel (SUS), titanium, magnesium, and the like.
  • the upper metal plate skin and the lower metal plate skin are not limited to the same material, and when the upper metal plate skin becomes the outer surface and the lower metal plate skin becomes the inner surface, the upper metal plate skin has excellent anti-rust properties so as to be suitable for the outer surface.
  • the metal material is selected, and the lower metal plate skin may select a metal material having excellent impact resistance to fit the inner surface, and vice versa.
  • the shape to be molded is not particularly limited because it is a metal material, and any shape can be formed as long as the shape can be formed from a metal material.
  • the shape of the upper metal plate skin and the lower metal plate skin are not exactly the same, and the upper surface of the upper metal plate skin and the lower surface of the lower metal plate skin are exposed to the outside, respectively. This can be formed.
  • the lower surface of the upper metal plate skin and the upper surface of the lower metal plate skin is preferably a shape corresponding to each other since the inner material is bonded portion, but is not essential. According to the manufacturing method of the present invention, even if the lower surface of the upper metal plate skin and the upper surface of the lower metal plate skin do not completely correspond to each other, the internal material is completely filled therebetween.
  • thermosetting resin material mixed with reinforcing fibers to be used as an internal material is placed to prepare a pressing process.
  • the press equipment of the present invention is not intended to mold the upper metal plate skin and the lower metal plate skin.
  • the thermosetting resin material in which the reinforcing fibers interposed between the upper metal plate skin and the lower metal plate skin is mixed is molded as an inner material according to the shape of the upper metal plate skin and the lower metal plate skin, and the inner material is formed of the upper metal.
  • the upper frame and the lower frame of the press equipment do not function as a mold for forming the upper metal sheet skin and the lower metal sheet skin
  • the shape of the upper surface of the upper metal sheet skin and the lower surface of the lower metal sheet skin on which the forming is performed is not. It is desirable to match as closely as possible.
  • the upper surface of the upper frame and the upper surface of the lower frame coincide with the shape of the upper surface of the upper metal plate skin and the lower surface of the lower metal plate skin on which the molding is performed, pressure is applied evenly to the entire surface of the upper metal plate skin and the lower metal plate skin. Molding of the inner material is smoothly performed, and the inner material and the adhesive can be uniformly cured as a whole by keeping the temperature of the entire surface of the upper metal plate skin and the lower metal plate skin constant.
  • thermosetting adhesive is applied to the lower surface of the upper metal plate skin and the upper surface of the lower metal plate skin.
  • thermosetting resin material mixed with the reinforcing fibers used as the inner material is placed on the upper surface of the lower metal plate skin coated with the thermosetting adhesive. At this time, the thermosetting resin material in which the reinforcing fibers are mixed is dispersed by reinforcing glass fibers or carbon fibers, and particularly, SMC (Sheet Molding Compound) is suitable.
  • SMC Sheet Molding Compound
  • SMC processed into a sheet form by dispersing and impregnating fibers such as glass fiber or carbon fiber in a viscous viscous resin, such as dough or clay, is often used in a molding process by pressing.
  • the present invention uses the upper metal plate skin and the lower metal plate skin instead of the mold used in the press working of the SMC, thereby forming the SMC to match the lower surface of the upper metal plate skin and the upper surface of the lower metal plate skin, and at the same time, the upper metal plate material
  • the skin and the lower metal plate skin and the SMC is bonded to the fiber-reinforced plastic composite material covered with the metal plate skin is inserted into the SMC as an internal material.
  • FIG. 2 is a view for explaining a press process preparation step for applying a method of manufacturing a fiber-reinforced plastic composite material covered with a metal sheet skin according to the present embodiment
  • Figure 3 is a fiber covered with a metal plate skin according to this embodiment
  • the lower metal plate skin 220 is disposed on the lower frame 120 of the press equipment, the upper frame 110 has a shape corresponding to the upper metal plate skin 210.
  • the upper metal plate skin 210 is placed in close contact with the upper mold 110 by the suction force by the vacuum.
  • thermosetting adhesive is applied to the lower surface of the upper metal plate skin 210 and an upper surface of the lower metal plate skin 220, and the SMC sheet 300 is divided into three pieces and a lower portion of the thermosetting adhesive is applied. It is positioned on the surface of the metal plate skin 220.
  • the SMC itself is not a hardened state, it is also possible to carry out the pressing process in a state in which one SMC sheet, which is one lumped state, is placed on the upper surface of the lower metal plate skin to which the thermosetting adhesive is applied.
  • the SMC sheet 300 cut to the appropriate size, as shown in Figure 3 is properly dispersed and placed on the upper surface of the lower metal plate skin coated with the thermosetting adhesive, the SMC sheet pieces by the upper pressing Spreading between the metal plate skin and the lower metal plate skin can finally be in close contact with each other to form a single inner material, in this way it is possible to adjust the thickness of the inner material thin.
  • the thickness of the inner material is adjusted in such a way that the extra SMC escapes between the upper metal plate skin and the lower metal plate skin.
  • the waste of SMC is severe and the metal plate skins have a complicated structure, it may be difficult to produce the desired thickness because the inner SMC is not discharged to the outside.
  • the upper and lower frames of the press equipment are heated to preheat the upper and lower sheet metal skins to temperatures suitable for shaping and curing the SMC and curing the thermoset adhesive.
  • thermosetting adhesive it is also possible to heat only one of the upper frame and the lower frame, heating both the upper frame and the lower frame is advantageous for the molding of the SMC and curing of the thermosetting adhesive.
  • heating to a temperature of 165 DEG C or higher is common, but an appropriate temperature is selected according to the specific type of SMC.
  • a press process is performed to form the SMC, which is an internal material, between the upper metal plate skin and the lower metal plate skin so as to be cured at the same time.
  • the thermosetting adhesive applied to the lower surface of the upper metal plate skin and the upper surface of the lower metal plate skin according to the molding and curing temperature of the internal material, in the process of forming and curing the SMC through the press process in this embodiment
  • the curing of the thermosetting adhesive is performed so that the SMC constituting the inner material is bonded to the upper metal plate skin and the lower metal plate skin.
  • the upper metal plate skin 210 is attached to the upper frame 110 is moved downward to apply pressure to the SMC sheet 300, the upper metal plate skin 210 and the lower metal heated through the preheating process As the SMC sheet 300 spreads between the plate skins 220, the SMC sheet 300 is molded according to the shape of the lower surface of the upper metal plate skin 210 and the upper surface of the lower metal plate skin 220.
  • the SMC sheets are bonded to each other between the upper metal plate skin 210 and the lower metal plate skin 220, and an internal material 310 is inserted between the upper metal plate skin 210 and the lower metal plate skin 220. Fiber-reinforced plastic composites covered with sheet metal skins are produced.
  • the method for producing a fiber-reinforced plastic composite material covered with the metal sheet skin of the present invention described above is produced by stamping molding two metal sheet skins first, and then insert molding and adhering SMC therebetween.
  • SMC which is difficult to change, has the design flexibility to manufacture composite materials embedded in metal sheet skins in various shapes including curved surfaces. At the same time, it shows high productivity to produce fiber-reinforced plastic composites covered with metal sheet skin at low cost, and also has the effect of manufacturing large-area products.
  • the composite component part for a structure manufactured by the manufacturing method of the present invention can additionally obtain the characteristics of the inserted internal material while being lightweight while maintaining the advantages of the metal material structure.
  • the characteristics of the metal plate can exhibit the ability to block and absorb vibration and noise, as a result there is an effect that the specific strength and specific rigidity of the composite composite component for the structure is further improved.
  • the composite component part for a structure manufactured by the manufacturing method of this invention is comprised by the metal plate skin which is a metal material on both surfaces, and is excellent in the bonding property with another metal part.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un matériau composite plastique renforcé de fibres recouvert de revêtements de tôle, le procédé comprenant : une étape de pré-estampage de revêtement de tôle pour l'estampage de deux tôles, ce qui permet de fabriquer un revêtement de tôle supérieur et un revêtement de tôle inférieur ; une étape de préparation de processus de pressage pour fabriquer des préparations par le montage du revêtement de tôle supérieur et du revêtement de tôle inférieur sur une machine à presser et positionner, entre le revêtement de tôle supérieur et le revêtement de tôle inférieur, un matériau intérieur qui est un matériau de résine thermodurcissable ayant une fibre de renforcement mélangée dans celui-ci ; une étape de préchauffage de revêtement de tôle pour chauffer le revêtement de tôle supérieur ou le revêtement de tôle inférieur ; et un processus de pressage pour mouler à la presse la résine thermodurcissable ayant une fibre de renforcement mélangée dans celle-ci, qui est interposée entre le revêtement de tôle supérieur et le revêtement de tôle inférieur, où, avant ou après le montage du revêtement de tôle supérieur et du revêtement de tôle inférieur sur la machine à presser, un adhésif thermodurcissable est appliqué sur la surface inférieure du revêtement de tôle supérieur et la surface supérieure du revêtement de tôle inférieur, et dans le processus de pressage, l'adhésif thermodurcissable appliqué sur la surface inférieure du revêtement de tôle supérieur et la surface supérieure du revêtement de tôle inférieur est durci et collé en même temps que la résine thermodurcissable ayant une fibre de renforcement mélangée dans celle-ci est moulée et durcie.
PCT/KR2017/000086 2016-12-30 2017-01-04 Procédé de fabrication d'un matériau composite plastique renforcé de fibres recouvert de revêtements de tôle, et composant en matériau composite pour structure légère fabriquée par celui-ci Ceased WO2018124354A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0183870 2016-12-30
KR20160183870 2016-12-30

Publications (1)

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WO2018124354A1 true WO2018124354A1 (fr) 2018-07-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112848372A (zh) * 2020-12-31 2021-05-28 安徽佳力奇先进复合材料科技股份公司 一种复合材料分布加温成型工艺
WO2022170663A1 (fr) * 2021-02-09 2022-08-18 博戈橡胶塑料（株洲）有限公司 Méthode de fabrication d'un composant léger à base de fibres continues et de fibres communes, et produit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100269824B1 (en) * 1992-06-29 2000-11-01 Sumitomo Electric Industries Process for producing composite material , and for producing composite material molding
JP2008288220A (ja) * 2001-11-20 2008-11-27 General Motors Corp <Gm> 低接触抵抗ｐｅｍ燃料電池
KR20120111058A (ko) * 2011-03-31 2012-10-10 주식회사 동원테크 올레핀계 수지형 접착제를 이용한 자동차용 내장부품의 진공 성형공법
KR20130136490A (ko) * 2010-12-02 2013-12-12 도레이 카부시키가이샤 금속 복합체의 제조 방법 및 전자기기 하우징
KR20140094050A (ko) * 2013-01-15 2014-07-30 전남대학교산학협력단 프레스 성형용 박판 샌드위치 판재 및 그 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100269824B1 (en) * 1992-06-29 2000-11-01 Sumitomo Electric Industries Process for producing composite material , and for producing composite material molding
JP2008288220A (ja) * 2001-11-20 2008-11-27 General Motors Corp <Gm> 低接触抵抗ｐｅｍ燃料電池
KR20130136490A (ko) * 2010-12-02 2013-12-12 도레이 카부시키가이샤 금속 복합체의 제조 방법 및 전자기기 하우징
KR20120111058A (ko) * 2011-03-31 2012-10-10 주식회사 동원테크 올레핀계 수지형 접착제를 이용한 자동차용 내장부품의 진공 성형공법
KR20140094050A (ko) * 2013-01-15 2014-07-30 전남대학교산학협력단 프레스 성형용 박판 샌드위치 판재 및 그 제조방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112848372A (zh) * 2020-12-31 2021-05-28 安徽佳力奇先进复合材料科技股份公司 一种复合材料分布加温成型工艺
WO2022170663A1 (fr) * 2021-02-09 2022-08-18 博戈橡胶塑料（株洲）有限公司 Méthode de fabrication d'un composant léger à base de fibres continues et de fibres communes, et produit

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