KR102773794B1 - 가압된 2차원 또는 3차원 형상의 샌드위치 복합 부품의 제조 방법 및 그러한 복합 부품 - Google Patents
가압된 2차원 또는 3차원 형상의 샌드위치 복합 부품의 제조 방법 및 그러한 복합 부품 Download PDFInfo
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- KR102773794B1 KR102773794B1 KR1020217034483A KR20217034483A KR102773794B1 KR 102773794 B1 KR102773794 B1 KR 102773794B1 KR 1020217034483 A KR1020217034483 A KR 1020217034483A KR 20217034483 A KR20217034483 A KR 20217034483A KR 102773794 B1 KR102773794 B1 KR 102773794B1
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Abstract
Description
도 1a 내지 도 1c는 해결책에 따라 구조물 수용 코어 층과 유체 기밀 부품 주변부를 갖는 샌드위치 복합 부품의 성형을 예시하는 시퀀스 이미지를 도시하며,
도 2는 평평한 구조의 샌드위치 반제품을 도시하며,
도 3a는 완성된 샌드위치 복합 부품을 통한 종단면을 도시하며,
도 3b 내지 도 3g는 종단면의 상세도를 도시한다.
2 : 제 1 프레싱 몰드 절반부
3 : 다른 프레싱 몰드 절반부
4 : 샌드위치 복합 부품
4' : 평평한 샌드위치 반제품
4" : 사전 프레싱 샌드위치 반제품
5 : 각각의 다른 프레싱 몰드 세그먼트
6 : 제 1 프레싱 몰드 세그먼트
7 : 평평한 샌드위치 반제품
8 : 코어 층
9, 10 : 커버 층
11 : 제 1 최소 간격
12 : 압축 층 복합물
13 : 전이 영역
14 : 제 2 최소 간격
15 : 구조물 벽
16 재료 축적물
16' : 단면 재료 축적물
B1 : 전이 영역
B2 : 미성형 영역
B3 : 성형 영역
Claims (21)
- 2 개의 대향하는 코어 층 표면을 가지는 열가소성 재료로 만들어진 적어도 하나의 구조화된 코어 층(8) 및 2 개의 코어 층 표면 각각에 점착 결합되는 열가소성 커버 층(9, 10)을 갖춘 샌드위치 복합 부품(4)을 제조하기 위한 방법에 있어서,
- 구조화된 코어 층(8)이 코어 층(8)의 열가소성 재료와 연관된 용융 온도 미만의 온도를 가지고, 2 개의 커버 층(9, 10)의 적어도 일부가 커버 층(9,10)의 열가소성 재료와 연관된 용융 온도 이상의 온도를 가지는 방식으로, 적외선 복사 가열에 의해 코어 층 표면의 각각의 측면에 접합된 커버 층(9, 10)을 갖춘 적어도 하나의 구조화된 코어 층(8)을 포함하는 평평한 형상의 샌드위치 반제품(4')을 가열하는 단계,
- 적어도 샌드위치 반제품(4')의 영역이 2 개의 프레싱 몰드 절반부(2, 3) 중 적어도 하나와 표면 접촉하게 되도록, 적어도 하나의 제 1 프레싱 몰드 절반부(2)가 공간 방향(R)을 따라 서로에 대해 선형으로 이동 가능한 방식으로 장착되는 적어도 2 개의 프레싱 몰드 세그먼트(5, 6)를 포함하는, 공간 방향(R)을 따라 서로에 대해 선형으로 이동 가능한 방식으로 장착되는 적어도 2 개의 프레싱 몰드 절반부(2, 3)를 포함하는 프레싱 공구(1) 내로 가열된 평평한 샌드위치 반제품(4')을 전달하는 단계,
- 사전 프레싱된 샌드위치 반제품(4")에 할당할 수 있는 최대 두께에 대응하는 제 1 최소 간격(11)이 제 1 프레싱 몰드 세그먼트(6)와 다른 프레싱 몰드 절반부(3) 사이에 도달될 때까지, 샌드위치 반제품(4')의 적어도 일부 영역이 2 개의 프레싱 몰드 절반부( 2, 3)와 표면 접촉하여 제 1 프레싱 몰드 세그먼트(6)가 이동 방향으로 제 1 프레싱 몰드 절반부(2)의 각각의 다른 프레싱 몰드 세그먼트(5)보다 앞서 진행하고, 그 영역이 2 개의 커버 표면(9, 10) 중 하나와 접촉하게 되고, 다른 프레싱 몰드 절반부(3)와 함께 샌드위치 반제품(4')을 2 차원 또는 3 차원으로 사전 프레싱하도록, 공간 방향(R)을 따라서 서로를 향해 양쪽 가압 몰드 절반부(2, 3)를 이동시키는 단계,
- 접촉 냉각 공정에 의해 제 1 프레싱 몰드 세그먼트(6) 또는 다른 프레싱 몰드 절반부(3)에 의해 접촉된 영역 내에서 미리 성형된 샌드위치 반제품(4")을 안정화하는 단계, 및
- 제 1 프레싱 몰드 세그먼트(6)가 다른 프레싱 몰드 절반부(3)에 대해 놓이고, 사전 프레싱된 샌드위치 반제품(4")의 일부 영역과 접촉하고, 각각의 다른 프레싱 몰드 세그먼트(5)와 다른 프레싱 몰드 절반부(3) 사이에서 제 2 최소 간격(14)에 도달하여 가압된 2 차원 또는 3 차원 형상을 갖는 샌드위치 복합 부품(4)을 얻도록 간격이 제 1 최소 간격보다 더 작게 선택되는 동안에, 제 1 가압 몰드 절반부(2)의 각각의 다른 프레싱 몰드 세그먼트(5)를 다른 프레싱 몰드 절반부(3)로 공간 방향(R)으로 편향시키는 단계를 포함하는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 1 항에 있어서,
평평한 샌드위치 반제품(4')은 벌집 형상 또는 실린더 형태 구조의 코어 층(8)을 가지는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 1 항 또는 제 2 항에 있어서,
커버 층(9, 10)은 각각 열가소성 재료로 만들어지며, 코어 층에 구조 강화 섬유 부품도 추가되는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 3 항에 있어서,
구조 강화 섬유 부품은 연속 섬유로 구현되며, 개별 섬유는 샌드위치 반제품을 한 번 완전히 통과하고 적어도 하나의 층에 단방향으로 배열되거나 직조 구조물의 형태를 가지는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 1 항 또는 제 2 항에 있어서,
평평한 샌드위치 반제품(4')의 가열은 적외선 복사 가열 공정에 의해 비접촉 방식으로 수행되는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 1 항 또는 제 2 항에 있어서,
샌드위치 반제품(4')을 적어도 하나의 프레싱 몰드 절반부(2, 3) 또는 제 1 프레싱 몰드 세그먼트(6)와 접촉시키는 것은 샌드위치 반제품(4')과 프레싱 몰드 절반부(2, 3) 사이의 접촉 영역에서 음압의 인가에 의해 지지되며, 샌드위치 반제품은 접촉 냉각 공정에 의해 프레싱 몰드 공구와의 접촉 영역에서 냉각되는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 1 항 또는 제 2 항에 있어서,
사전 프레싱된 샌드위치 반제품(4")을 얻기 위해서 2 개의 프레싱 몰드 절반부(2, 3)와 2 차원 또는 3 차원 프레싱의 서로를 향한 운동은 구조화된 코어 층(8)이 구조물을 보존하면서 미리 성형된 샌드위치 반제품(4")에 유지되는 방식으로 수행되는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 1 항 또는 제 2 항에 있어서,
2 개의 프레싱 몰드 절반부(2, 3) 및 2 차원 또는 3 차원 사전 프레싱을 서로 향해 이동하여 사전 프레싱된 샌드위치 반제품(4")을 얻는 것은 제 2 프레싱 공정 단계가 이어지는 제 1 프레싱 공정 단계를 구성하며, 제 2 프레싱 공정 단계에서 제 1 프레싱 몰드 절반부(2)의 각각의 다른 프레싱 몰드 세그먼트(5)가 다른 프레싱 몰드 절반부(3)로 공간 방향(R)으로 편향되고, 사전 프레싱된 샌드위치 반제품(4")이 사전 프레싱에서 제외된 영역에서 직접 또는 간접적으로 인접하여 접촉하고, 사전 프레싱된 샌드위치 반제품(4")은 이 영역에서 제 2 최소 간격(14)에 대응하는 두께로 가압력의 인가에 의해 압축되는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 8 항에 있어서,
제 2 최소 간격(14)은 커버 층(9, 10)과 코어 층(8)의 열가소성 재료가 각각의 다른 프레싱 몰드 세그먼트(5)에 의해 최종적으로 성형된 샌드위치 복합 부품(4)의 영역에 압축된 재료 복합물(12)의 형태를 가지는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 1 항 또는 제 2 항에 있어서,
제 1 프레싱 몰드 절반부(2)의 각각의 다른 프레싱 몰드 세그먼트(5)의 편향은 기하학적으로 정의 가능한 3 차원 전이 윤곽(13)이 제 1 프레싱 몰드 세그먼트(6)의 도움으로 생성된 사전 프레싱된 샌드위치 반제품(4") 영역과 각각의 다른 프레싱 몰드 세그먼트(5)에 의해 최종적으로 성형된 샌드위치 복합 부품(4) 영역 사이에 일정하거나 가파른 전이 영역을 형성하는 방식으로 수행되는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 1 항 또는 제 2 항에 있어서,
제 1 프레싱 공정 단계 후에 미리 성형된 샌드위치 반제품(4")은 제 1 프레싱 몰드 세그먼트(6) 또는 다른 프레싱 몰드 절반부(3)와 접촉하는 영역 내부에서 냉각되는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 11 항에 있어서,
냉각 및 그로 인한 열가소성 재료의 고화 동안, 미리 성형된 샌드위치 반제품(4")은 접촉 영역에서 제 1 프레싱 몰드 세그먼트(6)에 그리고 다른 프레싱 몰드 절반부(3)에 음압에 의해 고정되는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 제 1 항 또는 제 2 항에 있어서,
안정화는 적어도 1 초 동안 미리 성형된 샌드위치 반제품(4")의 형상을 수정하는 임의의 추가 성형력 없이 수행되는 것을 특징으로 하는,
샌드위치 복합 부품(4)을 제조하기 위한 방법. - 2 개의 대향하는 코어 층 표면을 갖춘 열가소성 재료로 만들어진 적어도 하나의 구조화된 코어 층(8), 및 2 개의 코어 층 표면과 각각 점착 접합되는 열가소성 커버 층(9, 10)을 가지는 가압된 2 차원 또는 3 차원 형상을 갖는 샌드위치 복합 부품에 있어서,
구조화된 코어 층이 2 개의 커버 층을 서로 분리하는 샌드위치 복합 부품의 제 1 영역을 샌드위치 복합 부품의 인접한 제 2 영역과 단일 부품으로서 연결하는 적어도 하나의 3 차원 전이 윤곽(13)이 제공되며, 구조화된 코어 층 및 양쪽 커버 층이 압축되고 재료 접합으로 용접되어 다층 라미네이트를 형성하는 것을 특징으로 하는,
샌드위치 복합 부품. - 제 14 항에 있어서,
3차원 전이 윤곽(13)은 제 1 영역이 제 2 영역을 적어도 부분적으로 둘러싸는 방식으로 샌드위치 복합 부품의 주변 원주 경계를 따라서 또는 샌드위치 복합 부품 내부에서 에지에 배열되는 것을 특징으로 하는,
샌드위치 복합 부품. - 제 14 항 또는 제 15 항에 있어서,
커버 층(9, 10)은 각각 열가소성 재료로 구성되며, 코어 층(8)도 만들어지며, 코어 층에 추가 구조 강화 섬유 부품이 추가되는 것을 특징으로 하는,
샌드위치 복합 부품. - 제 16 항에 있어서,
구조 강화 섬유 부품은 연속 섬유의 형태이며, 개별 섬유는 샌드위치 반제품을 한 번 완전히 통과하고 적어도 하나의 층에 단방향으로 배열되거나 직조 구조물의 형태로 존재하는 것을 특징으로 하는,
샌드위치 복합 부품. - 제 14 항 또는 제 15 항에 있어서,
평평한 샌드위치 반제품(4')의 구조화된 코어 층은 대향하는 구조물 벽 에지가 각각 두 개의 커버 층 중 하나와 점착 접합되는 구조물 벽을 가지며, 열가소성 재료의 용접 비드형 재료 축적물은 커버 층에 접합된 각각의 구조물 벽 에지의 각각의 측면에 제공되며, 축적물은 커버 층 및 구조물 벽 모두와 일체로 접합되는 것을 특징으로 하는,
샌드위치 복합 부품. - 제 18 항에 있어서,
형상이 변경된 프레싱된 2 차원 또는 3 차원 형상을 갖는 샌드위치 복합 부품(4) 영역에서, 열가소성 재료의 용접 비드형 재료 축적물은 인접한 커버 층과 단방향으로 연장하는 전단력 유도 변형을 가지는 것을 특징으로 하는,
샌드위치 복합 부품. - 제 18 항에 있어서,
형상이 변경된 가압된 2 차원 또는 3 차원 형상을 갖는 샌드위치 복합 부품(4)의 구조물 벽 높이가 감소하는 영역에서, 구조물 벽은 구조물 벽 에지에 가까운 곡선 섹션을 가지는 것을 특징으로 하는,
샌드위치 복합 부품. - 자동차, 캐러밴, 조선 및 항공기 건조 분야에서 평평한 하중 지지 부품으로서, 또는 태양광 모듈용 또는 태양열 에너지 모듈용 하중 지지 구조물로서, 또는 스포츠 산업에서 하중 지지 구조물로서 사용하기 위한 제 14 항 또는 제 15 항에 따른 샌드위치 복합 부품.
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- 2020-03-18 ES ES20712923T patent/ES2992808T3/es active Active
- 2020-03-18 EP EP20712923.0A patent/EP3946943B1/de active Active
- 2020-03-18 WO PCT/EP2020/057508 patent/WO2020200796A2/de unknown
- 2020-03-18 PL PL20712923.0T patent/PL3946943T3/pl unknown
- 2020-03-18 KR KR1020217034483A patent/KR102773794B1/ko active Active
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US20160214308A1 (en) | 2013-10-17 | 2016-07-28 | Toyota Jidosha Kabushiki Kaisha | Method of molding thermoplastic resin material |
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JP2022527178A (ja) | 2022-05-31 |
PL3946943T3 (pl) | 2024-10-28 |
EP3946943B1 (de) | 2024-06-26 |
CN113966270B (zh) | 2023-09-08 |
WO2020200796A3 (de) | 2020-11-26 |
KR20210152490A (ko) | 2021-12-15 |
US20220193978A1 (en) | 2022-06-23 |
DE102019204460A1 (de) | 2020-10-01 |
WO2020200796A2 (de) | 2020-10-08 |
EP3946943A2 (de) | 2022-02-09 |
CN113966270A (zh) | 2022-01-21 |
ES2992808T3 (en) | 2024-12-18 |
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