WO2009096676A2 - 운송차량용 일체형 복합소재 차체 및 그 제조방법 - Google Patents
운송차량용 일체형 복합소재 차체 및 그 제조방법 Download PDFInfo
- Publication number
- WO2009096676A2 WO2009096676A2 PCT/KR2009/000289 KR2009000289W WO2009096676A2 WO 2009096676 A2 WO2009096676 A2 WO 2009096676A2 KR 2009000289 W KR2009000289 W KR 2009000289W WO 2009096676 A2 WO2009096676 A2 WO 2009096676A2
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- WIPO (PCT)
- Prior art keywords
- vehicle body
- core material
- semi
- prepreg
- synthetic resin
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
- B62D29/043—Superstructures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D31/00—Superstructures for passenger vehicles
- B62D31/02—Superstructures for passenger vehicles for carrying large numbers of passengers, e.g. omnibus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
Definitions
- the present invention relates to an integrated composite vehicle body having a good surface state by using a composite material and manufactured by a co-curing method, and a method of manufacturing the same.
- Another technique is to attach the shell of each part to the frame, but it has disadvantages and advantages over mechanical fastening or welding. This method requires a lot of adhesion time, and the shells of each part need to be tested for reliability in terms of strength and the effect on weight reduction is not great.
- the conventional composite car body is divided into outer skin layer, frame and core insert, and inner skin layer.
- the outer skin layer and inner skin layer are composed of flexible prepreg.
- honeycomb core is used as core material in the vacuum molding of the clave, it has a bad surface because the outer layer and the inner layer are sucked into the honeycomb-shaped space.
- the conventional technology is to manufacture a car body by laminating and curing the outer skin layer, and then inserting a frame and a core material using an adhesive sheet and laminating the inner skin layer to work in a secondary curing method.
- An object of the present invention is to provide an integrated composite vehicle body having a good surface state and a method of manufacturing the same, while forming a vehicle body by a co-curing method, shortening a manufacturing period and reducing a manufacturing cost.
- the present invention uses a metal plate attached or inserted in the outer layer to the composite material, and laminated the core material and the inner layer and then manufactured by the co-curing method to produce an integrated composite vehicle body having a good surface condition.
- the present invention consists of a core material, a prepreg impregnated with a synthetic resin in the reinforcing fibers and a semi-prepreg semi-impregnated by impregnating the synthetic resin on the inner surface of the core material, and a synthetic resin in the reinforcing fibers
- An integrated composite material for a transport vehicle which is integrally molded into the shape of a vehicle body by using a sandwich panel composed of an outer skin material bonded to an outer surface of the core material and a metal plate inserted between the core material and the outer skin material. The body is provided.
- the metal plate is characterized in that a plurality of holes perforated.
- the present invention consists of a core material, a prepreg impregnated with a synthetic resin in the reinforcing fiber and a semi-prepreg semi-impregnated by impregnating the synthetic resin on the inner surface of the core material, and a plurality of prepregs Transport consisting of integrally molded into the shape of the vehicle body using a sandwich panel consisting of a shell material bonded to the outer surface of the core material and a metal plate inserted between a plurality of prepregs forming the shell material
- An integrated composite vehicle body for a vehicle is provided.
- the metal plate is characterized in that a plurality of holes perforated.
- the front and rear parts, the roof, the side, and the side constituting the vehicle body to manufacture a mold in the same shape and size as the vehicle body, and the base material to the reinforcing fibers on the mold inner surface Laminating a first envelope made of a prepreg impregnated and semi-cured, laminating a metal sheet or a metal plate having a plurality of holes perforated on the inner surface of the first envelope, and reinforcing fibers on the inner surface of the metal sheet.
- the present invention it is possible to solve the problem that the surface condition is not good due to the complexity of the process and the technical aspect of the co-curing method that was a problem when manufacturing the composite vehicle body.
- FIG. 1 is a perspective view showing the overall appearance of a co-cured vehicle body as one embodiment according to the present invention.
- FIG. 2 is a cross-sectional view of the vehicle body cut along the line AA ′ of FIG. 1.
- FIG. 3 is an enlarged cross-sectional view of region B of FIG. 2.
- Figure 4 is an enlarged cross-sectional view showing another embodiment of a co-cured vehicle body structure according to the present invention.
- FIG. 5 is a perspective view showing another embodiment of a laminated structure of a composite material according to the present invention.
- FIG. 1 is a perspective view showing the overall appearance of a co-cured vehicle body as one embodiment according to the present invention.
- the frontal head (1), the rear head (2), the roof (3) and the side portion (4) has a unitary structure by the co-curing method without a seam, rigidity, heat insulation, It is an effective structure for noise.
- FIG. 2 is a cross-sectional view of the vehicle body cut along the line AA ′ of FIG. 1.
- the integrated composite body 10 is a sandwich structure with a honeycomb or a foam core 11, and the shell 13, the metal plate 14, the core 11 and the inner shell 12 in detail.
- the structure is laminated in order from the outside inward.
- FIG. 3 is an enlarged cross-sectional view of region B of FIG. 2.
- the outer skin material 13 and the inner skin material 12 use a prepreg impregnated with synthetic resin in the reinforcing fiber as a composite material, and the hardening progresses about half, and a single layer considering the required strength and thickness. Or it is laminated
- the synthetic resin impregnated in the prepreg applied to the present invention may be epoxy resin, phenol resin, unsaturated polyester resin, vinyl ester resin, melamine resin, urea resin, and the like, and as reinforcing fibers, carbon fiber, glass fiber, kevlar fiber, boron Unidirectional or bidirectional fabrics woven from fibers or the like are used.
- the core material 11 applied to the integrated composite vehicle body which is a sandwich structure, includes foams such as urethane foam, PE foam, and PVC foam, and honeycomb such as aluminum honeycomb and nomex honeycomb for light weight, heat insulation, sound insulation, and rigidity of the structure. And foamed aluminum are used.
- the outer shell material is recessed into the core hole to form an uneven surface due to the hole formed in the core forming the foam or the honeycomb structure. I need a lot.
- the metal plate 14 devised in the present invention is included between the shell 13 and the core 11 or between the first and second shells 13a and 13b constituting the shell 13 as shown in FIG. Will be close to the core (11).
- the metal plate 14 having a solid surface prevents the prepreg from sinking into the core 11 having a hole used for lightness, thereby solving the problem of the surface being unsmooth.
- the metal plate 14 has a thickness of 10 ⁇ m to 10 mm, and steel, stainless steel, aluminum, copper, tin plate, or the like is used as the material.
- Figure 4 is an enlarged cross-sectional view showing another embodiment of a co-cured vehicle body structure according to the present invention.
- the metal sheet 14 is included between the first and second shells 13a and 13b.
- the metal sheet 14 is laminated to be close to the core 11. It is preferable that the second envelope 13b has a smaller thickness than the first envelope 13a constituting the ash 13.
- the outer shell material 13 and the metal sheet 14 composed of a composite material are used in a hybrid structure.
- the inner shell material 11 is located inside the integrated composite vehicle body and advantageously does not use the metal plate 14 for lightness.
- FIG. 5 is a perspective view showing another embodiment of a laminated structure of a composite material according to the present invention.
- the metal sheet 14 having a plurality of holes 14a bored therein is used as the metal sheet 14.
- the role of the holes 14a of the metal sheet 14 frees the flow of resin generated as the temperature rises during the curing reaction to remove bubbles.
- the method of manufacturing an integrated composite vehicle body according to the present invention uses an autoclave device that maintains a constant temperature and pressure or controls changes in temperature and pressure at regular intervals.
- the outer cover material including the metal plate on the vehicle-shaped mold and pressurize under vacuum.
- the core material and the inner material are sequentially stacked on the inner surface of the outer shell material, then wrapped in a bag and pressed again to be molded in a co-curing method using an autoclave, thereby manufacturing an integrated composite vehicle body having a good surface state.
- a mold is manufactured in the same shape and size as the vehicle body so that the front, rear, roof, and side parts of the vehicle body can be manufactured integrally.
- the outer surface material of the prepreg which is semi-cured by impregnating synthetic resin in the reinforcing fiber on the inner surface of the mold, is laminated.
- a metal plate member or a metal plate member having a plurality of holes is laminated on the inner surface of the outer cover member.
- the core material is laminated on the inner surface of the metal plate.
- the inner surface of the core material is laminated with an inner skin material made of a prepreg which is semi-cured by impregnating synthetic resin in the reinforcing fiber.
- the laminate laminated through the above steps may be molded in an autoclave.
- the outer shell material, the metal sheet material, the core material, and the inner skin material are sequentially laminated in the mold to be molded.
- the metal plate may be laminated to be located between the outer shell materials, and the core and the inner shell materials may be sequentially stacked and then molded.
- the present invention can be widely used in the manufacture of transportation vehicles, such as railroad cars, buses by using a composite material and manufactured by the co-curing method to provide an integrated composite vehicle body having a good surface state and a manufacturing method thereof.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
Claims (6)
- 심재(11)와, 보강섬유에 합성수지를 함침하여 반경화시킨 프리프레그로 이루어져 상기 심재(11)의 일면에 접착되는 내피재(12)와, 보강섬유에 합성수지를 함침하여 반경화시킨 프리프레그로 이루어져 상기 심재(11)의 타면에 접착되는 외피재(13)와, 상기 심재(11)와 외피재(13) 사이에 삽입되는 금속판재(14)로 구성되는 샌드위치 패널을 이용하여 차체의 형상으로 일체로 성형한 것을 특징으로 하는 운송차량용 일체형 복합소재 차체.
- 제1항에 있어서,상기 금속판재(14)에는 다수개의 구멍(14a)이 천공된 것을 특징으로 하는 운송차량용 일체형 복합소재 차체.
- 심재(11)와, 보강섬유에 합성수지를 함침하여 반경화시킨 프리프레그로 이루어져 상기 심재(11)의 일면에 접착되는 내피재(12)와, 보강섬유에 합성수지를 함침하여 반경화시킨 복수의 프리프레그로 이루어져 상기 심재(11)의 타면에 접착되는 외피재(13)와, 상기 외피재(13)를 이루는 복수의 프리프레그 사이에 삽입되는 금속판재(14)로 구성되는 샌드위치 패널을 이용하여 차체의 형상으로 일체로 성형한 것을 특징으로 하는 운송차량용 일체형 복합소재 차체.
- 제3항에 있어서,상기 금속판재(14)는 다수개의 구멍(14a)이 천공된 것을 특징으로 하는 운송차량용 일체형 복합소재 차체.
- 차체를 구성하는 전두부, 후두부, 지붕, 측면부가 일체로 제작될 수 있도록 차체와 동일한 형상 및 크기로 몰드를 제작하는 단계와,상기 몰드 내면에 보강섬유에 합성수지를 함침하여 반경화시킨 프리프레그로 이루어진 외피재를 적층하는 단계와,상기 외피재 내면에 금속판재 또는 다수개의 구멍이 천공된 금속판재를 적층하는 단계와,상기 금속판재 내면에 심재를 적층하는 단계와,상기 심재 내면에 보강섬유에 합성수지를 함침하여 반경화시킨 프리프레그로 이루어진 내피재를 적층하는 단계와,상기 단계들을 통해 적층된 적층체를 오토클레이브에서 성형하는 단계를 포함하는 것을 특징으로 하는 운송차량용 일체형 복합소재 차체의 제조방법.
- 차체를 구성하는 전두부, 후두부, 지붕, 측면부가 일체로 제작될 수 있도록 차체와 동일한 형상 및 크기로 몰드를 제작하는 단계와,상기 몰드 내면에 보강섬유에 기지재료를 함침하여 반경화시킨 프리프레그로 이루어진 제1외피재를 적층하는 단계와,상기 제1외피재 내면에 금속판재 또는 다수개의 구멍이 천공된 금속판재를 적층하는 단계와,상기 금속판재 내면에 보강섬유에 합성수지를 함침하여 반경화시킨 프리프레그로 이루어진 제2외피재를 적층하는 단계와,상기 제2외피재 내면에 심재를 적층하는 단계와,상기 심재 내면에 보강섬유에 합성수지를 함침하여 반경화시킨 프리프레그로 이루어진 내피재를 적층하는 단계와,상기 단계들을 통해 적층된 적층체를 오토클레이브에서 성형하는 단계를 포함하는 것을 특징으로 하는 운송차량용 일체형 복합소재 차체의 제조방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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AT09706194T ATE550246T1 (de) | 2008-01-31 | 2009-01-20 | Integrierte verbundmaterial-fahrzeugkarosserie für ein transportfahrzeug und herstellungsverfahren dafür |
CN2009800003609A CN101678865B (zh) | 2008-01-31 | 2009-01-20 | 运输车辆用复合材料整体式车身及其制备方法 |
JP2010506096A JP4890642B2 (ja) | 2008-01-31 | 2009-01-20 | 運送車両用の一体型複合素材からなる車体及びその製造方法 |
EP09706194A EP2143622B1 (en) | 2008-01-31 | 2009-01-20 | Integrated composite-material vehicle body for a transportation vehicle, and a production method therefor |
US12/597,334 US20100140975A1 (en) | 2008-01-31 | 2009-01-20 | Integrated Composite-Material Vehicle Body for a Transportation Vehicle, and a Production Method Therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2008-0009979 | 2008-01-31 | ||
KR1020080009979A KR100971873B1 (ko) | 2008-01-31 | 2008-01-31 | 운송차량용 일체형 복합소재 차체 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
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WO2009096676A2 true WO2009096676A2 (ko) | 2009-08-06 |
WO2009096676A3 WO2009096676A3 (ko) | 2009-10-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2009/000289 WO2009096676A2 (ko) | 2008-01-31 | 2009-01-20 | 운송차량용 일체형 복합소재 차체 및 그 제조방법 |
Country Status (8)
Country | Link |
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US (1) | US20100140975A1 (ko) |
EP (1) | EP2143622B1 (ko) |
JP (1) | JP4890642B2 (ko) |
KR (1) | KR100971873B1 (ko) |
CN (1) | CN101678865B (ko) |
AT (1) | ATE550246T1 (ko) |
MY (1) | MY162851A (ko) |
WO (1) | WO2009096676A2 (ko) |
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KR100939133B1 (ko) * | 2004-09-02 | 2010-01-28 | 피피지 인더스트리즈 오하이오 인코포레이티드 | 폴리우레아 코팅 층을 포함하는 다성분 코팅 |
JP2006076366A (ja) | 2004-09-07 | 2006-03-23 | Nippon Steel Composite Co Ltd | 車両用複合パネル |
US7658967B2 (en) * | 2005-08-25 | 2010-02-09 | Pittsburgh Glass Works, Llc | Methods for applying sound dampening and/or aesthetic coatings and articles made thereby |
GB0522960D0 (en) * | 2005-11-10 | 2005-12-21 | B I Group Plc | Composite material |
JP5380766B2 (ja) * | 2006-06-05 | 2014-01-08 | 横浜ゴム株式会社 | 防音特性を備えたハニカムサンドイッチパネル |
KR100647008B1 (ko) | 2006-06-21 | 2006-11-23 | 주식회사 한국화이바 | 하이브리드 직물 및 그를 적용하여 내화염특성이 강화된복합재료 |
KR100765650B1 (ko) * | 2006-06-23 | 2007-10-10 | 현대자동차주식회사 | 탄소섬유-에폭시 복합재료와 강철재료 간의 양면겹치기동시경화 접합방법 |
WO2008067583A1 (en) * | 2006-12-08 | 2008-06-12 | Rv Ip Pty Ltd | Moulding trailer/caravan body components |
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2008
- 2008-01-31 KR KR1020080009979A patent/KR100971873B1/ko active IP Right Grant
-
2009
- 2009-01-20 EP EP09706194A patent/EP2143622B1/en not_active Not-in-force
- 2009-01-20 MY MYPI20094625A patent/MY162851A/en unknown
- 2009-01-20 WO PCT/KR2009/000289 patent/WO2009096676A2/ko active Application Filing
- 2009-01-20 US US12/597,334 patent/US20100140975A1/en not_active Abandoned
- 2009-01-20 JP JP2010506096A patent/JP4890642B2/ja not_active Expired - Fee Related
- 2009-01-20 AT AT09706194T patent/ATE550246T1/de active
- 2009-01-20 CN CN2009800003609A patent/CN101678865B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
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See references of EP2143622A4 * |
Also Published As
Publication number | Publication date |
---|---|
US20100140975A1 (en) | 2010-06-10 |
JP2010524779A (ja) | 2010-07-22 |
JP4890642B2 (ja) | 2012-03-07 |
ATE550246T1 (de) | 2012-04-15 |
EP2143622A2 (en) | 2010-01-13 |
KR20090084042A (ko) | 2009-08-05 |
CN101678865B (zh) | 2011-09-21 |
MY162851A (en) | 2017-07-31 |
CN101678865A (zh) | 2010-03-24 |
KR100971873B1 (ko) | 2010-07-22 |
EP2143622B1 (en) | 2012-03-21 |
EP2143622A4 (en) | 2011-04-27 |
WO2009096676A3 (ko) | 2009-10-22 |
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