KR101835008B1 - 스킨-스티프너 천이부 조립체의 빈 공간을 충전하는 복합 변곡부 충전재 - Google Patents
스킨-스티프너 천이부 조립체의 빈 공간을 충전하는 복합 변곡부 충전재 Download PDFInfo
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- 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
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- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/005—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor characterised by the choice of material
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
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- C—CHEMISTRY; METALLURGY
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0081—Shaping techniques involving a cutting or machining operation before shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
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- B64C2001/0054—Fuselage structures substantially made from particular materials
- B64C2001/0072—Fuselage structures substantially made from particular materials from composite materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
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- Moulding By Coating Moulds (AREA)
Abstract
Description
도 1은 본 발명에 의한 복합 변곡부 충전재가 구비된 스킨-스티프너 천이부 조립체를 보이는 단면도,
도 2는 도 1의 복합 변곡부 충전재를 보이는 사시도,
도 3은 도 2의 복합 변곡부 충전재의 예시적 단면 형상을 보이는 단면도들, 그리고
도 4는 도 2의 복합 변곡부 충전재를 제조하기 위한 제조 공정을 보이는 개략도이다.
1a: 빈 공간(void space)
2: 제1 L-형 섬유 플라이 적층(first L-shaped laminate of fiber plies)
3: 제2 L-형 섬유 플라이 적층(second L-shaped laminate of fiber plies)
4: 스킨(skin)
5: 복합 변곡부 충전재(composite radius filler)
6: 스티프너(stiffener)
7: 비틀린 조방사 다발의 적층(stack of twisted roving bundles)
7a 내지 7g: 비틀린 조방사 다발(stacked twisted roving bundles)
7h: 종축(longitudinal axis)
8a, 8b: 평탄면(flat sides)
8c, 8d: 만곡면(curved sides)
9a, 9b, 9c: (다른 크기를 가지는) 비틀린 조방사 다발(stacked twisted roving bundles with differing sizes)
10: (삽입된) 섬유 플라이(inserted fiber ply)
11a, 11b: (변화되는) 단면(varying cross sections)
12a, 12b, 12c: (스티프너 중심의) 조방사 다발(stiffer center bundles)
13: (비틀린 조방사 다발) 제조 라인(twisted roving bundle production line)
13a: 제조 플랫폼(production platform)
14: 스풀 군(spool tree)
15: 조방사(粗紡絲; rovings)
16: 코팅실(application chamber)
17: 안내 도구(guide tool)
18a, 18b, 18c: 다발 캐리어(bundle carriers)
19a, 19b, 19c: 조방사 다발(roving bundles)
20a, 20b, 20c, 20d: 고정점(fixing points)
21a, 21b, 21c, 21d: 가열 수단(heating means)
22a, 22b: (다발 캐리어) 이동 경로(bundle carrier movement paths)
23: 회전 장치(rotation device)
24: 절단기(cutter)
25a, 25b, 25c, 25d: (다발 캐리어) 이동 경로(bundle carrier movement directions)
26a 내지 26e: 비틀린 조방사 다발(twisted roving bundles)
27: 회전 방향(rotation direction)
Claims (15)
- 외부 보강 중간 조립체(1)의 빈 공간(1a)을 충전하는 복합 변곡부 충전재(5)에 있어서,
미리 결정된 단면의 변곡부 충전재 형상으로 압착되는 복수의 막대기형 조방사 다발(7a-7g)을 구비하고,
상기 복수의 막대기형 조방사 다발(7a-7g)들 중의 적어도 하나의 막대기형 조방사 다발(7f)이 그 종축(7h) 둘레로 비틀리는 것을 특징으로 하는, 복합 변곡부 충전재. - 제1 항에 있어서,
상기 적어도 하나의 막대기형 조방사 다발(7f)이 탄소 섬유를 포함하는 조방사(15)로 구성되고, 상기 탄소 섬유가 종축(7h)을 따라 0°가 아닌 방향을 나타내도록 상기 적어도 하나의 막대기형 조방사 다발(7f)이 종축(7h) 둘레로 비틀리는 것을 특징으로 하는 복합 변곡부 충전재. - 제1 항에 있어서,
상기 적어도 하나의 막대기형 조방사 다발(7f)이 상기 종축(7h)을 따라 적어도 거의 직선인 것을 특징으로 하는 복합 변곡부 충전재. - 제1 항에 있어서,
상기 적어도 하나의 막대기형 조방사 다발(7f)이, 각각 점착제, 바인더 및/또는 수지 중의 적어도 하나가 코팅된 조방사(15)로 구성되는 것을 특징으로 하는 복합 변곡부 충전재. - 제4 항에 있어서,
상기 바인더가 열가소성 및/또는 열경화성 재질에 기반하는 것을 특징으로 하는 복합 변곡부 충전재. - 제5 항에 있어서,
상기 바인더가 에폭시 기반 및/또는 나노구조로 변형된 것인 것을 특징으로 하는 복합 변곡부 충전재. - 제4 항에 있어서,
상기 수지가 에폭시 및/또는 열가소성 재질인 것을 특징으로 하는 복합 변곡부 충전재. - 제1 항에 있어서,
상기 적어도 하나의 막대기형 조방사 다발(7f)이 종축(7h) 둘레로 상기 적어도 하나의 막대기형 조방사 다발(7f)의 길이 미터당 5 내지 30회 비틀리는 것을 특징으로 하는 복합 변곡부 충전재. - 제1 항에 있어서,
상기 미리 결정된 단면의 변곡부 충전재 형상이 직각 삼각형, 비대칭 삼각형, 대칭 삼각형, 사다리꼴 중의 적어도 하나를 포함하는 것을 특징으로 하는 복합 변곡부 충전재. - 제1 항에 있어서,
상기 복수의 막대기형 조방사 다발(7a-7g)들이 상이한 직경을 가지는 적어도 2개의 막대기형 조방사 다발(9a, 9b)을 구비하는 것을 특징으로 하는 복합 변곡부 충전재. - 제1 항에 있어서,
적어도 하나의 섬유 플라이(10) 및/또는 적어도 하나의 비틀리지 않은 막대기형 조방사 다발(12a-12c)이 구비되는 것을 특징으로 하는 복합 변곡부 충전재. - 외부 보강 중간 조립체(1)의 빈 공간(1a)을 충전하는 복합 변곡부 충전재(5)를 제조하는 방법에 있어서,
복수의 조방사(15)를 결합하여 막대기형 조방사 다발(19b)을 형성하는 단계;
비틀린 막대기형 조방사 다발(7f)를 형성하기 위해, 상기 막대기형 조방사 다발(19b)을 결합된 종축(22a) 둘레로 비틀음으로써, 각각 제조된 막대기형 조방사 다발(7f)을 포함하는 복수의 막대기형 조방사 다발(7a-7g)을 제조하는 단계;
복수의 막대기형 조방사 다발(7a-7g)을 미리 결정된 단면의 변곡부 충전재 형상으로 압착함으로써 복합 변곡부 충전재(5)를 형성하는 단계를 포함하는, 복합 변곡부 충전재의 제조 방법. - 제12 항에 있어서,
복수의 조방사(15)를 결합하여 막대기형 조방사 다발(19b)을 형성하는 단계 전에, 각 조방사(15)에 점착제, 바인더 및/또는 수지 중의 적어도 하나가 코팅되는 단계를 포함하는 것을 특징으로 하는 복합 변곡부 충전재의 제조 방법. - 제12 항에 있어서,
상기 막대기형 조방사 다발(19b)을 상기 결합된 종축(22a) 둘레로 비트는 단계는, 상기 막대기형 조방사 다발(19b)의 제1 축방향 단부를 고정 파지하고 제1 축방향 단부를 그 종축 둘레로 상기 막대기형 조방사 다발(19b)의 길이 미터당 5 내지 30회 비트는 단계를 포함하는 것을 특징으로 하는 복합 변곡부 충전재의 제조 방법. - 제13 항에 있어서,
상기 막대기형 조방사 다발(19b)이 비틀린 상태로 고정되도록 상기 점착제, 바인더 및/또는 수지의 코팅을 활성화시키는 단계를 더 포함하는 것을 특징으로 하는 복합 변곡부 충전재의 제조 방법.
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EP15400014.5 | 2015-04-15 | ||
EP15400014.5A EP3081370B1 (en) | 2015-04-15 | 2015-04-15 | A composite radius filler for filling a void space in a skin-stiffener transition assembly |
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KR101835008B1 true KR101835008B1 (ko) | 2018-03-06 |
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US (1) | US20160303776A1 (ko) |
EP (1) | EP3081370B1 (ko) |
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JP6667391B2 (ja) * | 2016-07-06 | 2020-03-18 | 三菱重工業株式会社 | 複合材、引抜成形装置及び引抜成形方法 |
WO2018037767A1 (ja) * | 2016-08-22 | 2018-03-01 | 三菱重工業株式会社 | 複合材部材、間隙材、引抜成形装置及び引抜成形方法 |
US11966671B2 (en) * | 2018-12-03 | 2024-04-23 | The Boeing Company | Method for determining noodle and interface residual stresses and properties under hygrothermal-mechanical loadings |
US11358345B2 (en) * | 2019-01-02 | 2022-06-14 | The Boeing Company | Internal tooling for composite parts |
EP3956131A1 (en) * | 2019-04-18 | 2022-02-23 | Teijin Carbon Europe GmbH | Braided preform radius filler |
CN112477203A (zh) * | 2020-10-22 | 2021-03-12 | 中国航空制造技术研究院 | 一种整体成型复合材料结构的填充芯材的预定型方法 |
GB2631389A (en) * | 2023-06-28 | 2025-01-08 | Airbus Operations Ltd | Filler |
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US5650229A (en) | 1994-12-13 | 1997-07-22 | Dow-United Technologies Composite Products Inc. | Shaped unidirectional fiber preforms |
WO2005040017A2 (en) | 2003-10-22 | 2005-05-06 | Composite Technology Corporation | Aluminum conductor composite core reinforced cable and method of manufacture |
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JP3549271B2 (ja) * | 1994-12-16 | 2004-08-04 | 三菱重工業株式会社 | 空隙部充填用繊維構造体 |
US6231941B1 (en) | 1998-07-14 | 2001-05-15 | The Boeing Company | Radius fillers for a resin transfer molding process |
EP1261787A2 (en) | 2000-02-25 | 2002-12-04 | The Boeing Company | Laminated composite radius filler |
WO2012166263A1 (en) | 2011-06-03 | 2012-12-06 | Cytec Technology Corp. | Resin coated radius fillers and system and method of making the same |
US9370921B2 (en) | 2012-11-01 | 2016-06-21 | The Boeing Company | Composite radius fillers and methods of forming the same |
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2015
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- 2015-04-15 ES ES15400014.5T patent/ES2656767T3/es active Active
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2016
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Patent Citations (2)
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US5650229A (en) | 1994-12-13 | 1997-07-22 | Dow-United Technologies Composite Products Inc. | Shaped unidirectional fiber preforms |
WO2005040017A2 (en) | 2003-10-22 | 2005-05-06 | Composite Technology Corporation | Aluminum conductor composite core reinforced cable and method of manufacture |
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EP3081370B1 (en) | 2018-01-03 |
ES2656767T3 (es) | 2018-02-28 |
EP3081370A1 (en) | 2016-10-19 |
KR20160123250A (ko) | 2016-10-25 |
US20160303776A1 (en) | 2016-10-20 |
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