KR20170004015A - 재료 압출 적층 제조에서 결합력을 증가시키기 위한 방법 및 장치 - Google Patents
재료 압출 적층 제조에서 결합력을 증가시키기 위한 방법 및 장치 Download PDFInfo
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- KR20170004015A KR20170004015A KR1020167036074A KR20167036074A KR20170004015A KR 20170004015 A KR20170004015 A KR 20170004015A KR 1020167036074 A KR1020167036074 A KR 1020167036074A KR 20167036074 A KR20167036074 A KR 20167036074A KR 20170004015 A KR20170004015 A KR 20170004015A
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- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
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Abstract
Description
도 2는 에너지원 없는 열가소성 재료의 층을 적층하는 압출 헤드의 정면도이다.
도 3은 에너지원을 가진 열가소성 재료의 층을 적층하는 압출 헤드의 정면도이다.
도 4는 3차원 물체를 형성하기 위해 적층된 열가소성 재료 층의 측면도이다.
도 5는 3차원 물체를 형성하기 위해 적층된 열가소성 재료 층의 평면도이다.
도 6은 3차원 물체를 형성하기 위한 예시적인 프로세스의 흐름도이다.
도 7은 3차원 물체를 형성하기 위한 예시적인 프로세스의 흐름도이다.
도 8은 에너지원, 압력원 및 온도 센서를 가진 열가소성 재료의 층을 적층하는 압출 헤드의 정면도이다.
Claims (18)
- 3차원 물체를 형성하는 방법으로서,
FDM(fused deposition modeling) 장치를 이용하여, 노즐을 통해 열가소성 재료 층을 플랫폼 상에 미리 설정된 패턴으로 적층하여 적층된 층을 형성하는 단계;
상기 적층된 층의 일부분 또는 전체의 표면 에너지를 증가시키는 단계;
상기 증가된 표면 에너지를 가지는 상기 적층된 층의 일부분 또는 전체 위에 후속층을 적층하는 단계; 및
상기 3차원 물체를 형성하기 위해 상기 단계들을 반복하는 단계를 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 1 항에 있어서,
상기 표면 에너지를 증가시키는 단계는, 에너지원 타겟 영역에 있는 상기 적층된 층의 표면 에너지를 증가시키기 위해 상기 적층된 층 상의 상기 에너지원 타겟 영역으로 에너지원을 보내는 단계를 포함하고,
상기 에너지원 타겟 영역으로 에너지원을 보내는 단계는 일 영역에 상기 후속층을 적층하기 전에 상기 일 영역에 있는 층에 에너지를 가하는 단계를 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 1 항 또는 제 2 항에 있어서,
상기 표면 에너지가 증가될 영역에서, 상기 표면 에너지를 증가시키는 단계 이전에 상기 적층된 층의 온도를 감지하는 단계; 및 상기 감지된 온도를 기초로 상기 표면 에너지를 증가시키는 단계를 더 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 표면 에너지를 증가시키는 단계는,
상기 최상부 표면의 일 영역에 상기 후속층을 적층하기 전에, 상기 일 영역에 있는 상기 적층된 층의 최상부 표면에 에너지를 가하는 단계; 및
적층된 층에 인접하는 측면의 일 영역에 상기 후속층을 적층하기 전에, 상기 일 영역에 있는 상기 측면에 에너지를 가하는 단계
중 하나 이상의 단계를 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 노즐 부근의 상기 후속층에 압력을 가하는 단계를 더 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 층은 압출된 가닥을 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 에너지원은 광원, 가열된 플레이트, 적외선 열, 가열된 비활성 기체 또는 이들 중 하나 이상을 포함하는 조합을 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
상기 에너지원을 보내는 단계는,
상기 에너지원 타겟 영역의 온도를 상기 열가소성 중합체 재료의 유리 전이 온도보다 크게 상승시키는 단계;
상기 에너지원 타겟 영역의 온도를 Y≥X≥Y-20을 충족하는 온도(X)로 상승시키는 단계; 및
상기 에너지원 타겟 영역의 온도를 상기 열가소성 중합체 재료의 유리 전이 온도와 상기 열가소성 중합체 재료의 용융점 사이의 온도로 상승시키는 단계를 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 8 항에 있어서,
수직 거리를 증가시키는 단계는,
상기 플랫폼을 낮추는 단계; 및
상기 압출 헤드를 상승시키는 단계
중 하나 이상을 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 층과 후속층 간의 표면 접촉 면적은, 상기 에너지원 타겟 영역으로 에너지원을 보내는 단계를 포함하지 않았을 때의 상기 층과 후속층에 대한 표면 접촉 면적보다 더 큰 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,
상기 표면 에너지를 증가시키는 단계와 상기 후속층을 적층하는 단계 사이의 시간 기간은 1분 미만인 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 3차원 물체를 형성하는 방법으로서,
열가소성 재료 층을 노즐을 통해 플랫폼 상에 적층하여 적층된 층을 형성하는 단계;
상기 적층된 층 위에 후속층을 적층하는 단계;
상기 노즐 부근의 상기 후속층에 압력을 가하는 단계; 및
상기 3차원 물체를 형성하기 위해 상기 단계들을 반복하는 단계를 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 5 항 내지 제 12 항 중 어느 한 항에 있어서,
상기 층을 치밀하게 하는 것,
공기 방울을 제거하는 것,
상기 적층된 층과 후속층 사이의 간극을 제거하는 것; 및
상기 적층된 층과 후속층 사이에 위치하는 골로 상기 열가소성 재료가 흐르게 하는 것
중 하나 이상을 행하기 위해 충분한 압력을 가하는 단계를 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 3차원 물체를 형성하는 장치로서,
상기 3차원 물체를 지지하도록 구성된 플랫폼;
상기 플랫폼에 대하여 배치되고, 상기 3차원 물체의 층을 형성하기 위해 미리 설정된 패턴으로 열가소성 재료를 적층하도록 구성된 압출 헤드;
상기 압출 헤드에 대하여 배치되고, 에너지원 타겟 영역의 표면 에너지를 증가시키도록 구성된 에너지원; 및
상기 플랫폼에 대한 상기 압출 헤드 및 상기 에너지원의 위치를 제어하도록 구성된 컨트롤러를 포함하고,
상기 에너지원 타겟 영역은 후속층의 적층을 위한 영역보다 먼저 적층되는 층의 일부를 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 방법.
- 제 14 항에 있어서,
상기 플랫폼과 상기 압출 헤드 간의 수직 거리는 조절 가능한 것을 특징으로 하는 3차원 물체를 형성하는 장치.
- 제 14 항 또는 제 15 항에 있어서,
상기 표면 에너지가 증가될 영역에서, 상기 표면 에너지를 증가시키기 전에 상기 적층된 층의 온도를 감지하고, 상기 감지된 온도를 기초로 상기 표면 에너지를 증가시킬 수 있는 온도 센서를 더 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 장치.
- 제 14 항 내지 제 16 항 중 어느 한 항에 있어서,
상기 노즐 부근의 상기 후속층에 압력을 가할 수 있는 압력 센서를 더 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 장치.
- 제 14 항 내지 제 17 항 중 어느 한 항에 있어서,
상기 에너지원은 광원, 가열된 플레이트, 적외선 열, 가열된 비활성 기체 또는 이들 중 하나 이상을 포함하는 조합을 포함하는 것을 특징으로 하는 3차원 물체를 형성하는 장치.
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| US201462012639P | 2014-06-16 | 2014-06-16 | |
| US62/012,639 | 2014-06-16 | ||
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| KR20170004015A true KR20170004015A (ko) | 2017-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020167036074A Ceased KR20170004015A (ko) | 2014-06-16 | 2015-06-16 | 재료 압출 적층 제조에서 결합력을 증가시키기 위한 방법 및 장치 |
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| Country | Link |
|---|---|
| US (2) | US20170157845A1 (ko) |
| EP (1) | EP3154770A2 (ko) |
| JP (1) | JP6338700B2 (ko) |
| KR (1) | KR20170004015A (ko) |
| CN (1) | CN106660268A (ko) |
| WO (1) | WO2015193819A2 (ko) |
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- 2015-06-16 KR KR1020167036074A patent/KR20170004015A/ko not_active Ceased
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- 2015-06-16 US US15/319,572 patent/US20170157845A1/en not_active Abandoned
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2019
- 2019-08-16 US US16/542,633 patent/US20190381783A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190115446A (ko) * | 2017-02-16 | 2019-10-11 | 솔베이 스페셜티 폴리머스 이태리 에스.피.에이. | 퍼플루오르화 열가소성 탄성체 |
| KR20210152574A (ko) * | 2019-05-07 | 2021-12-15 | 에스에이치피피 글로벌 테크놀러지스 비.브이. | 적층 제조 물품 및 방법 |
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| CN106660268A (zh) | 2017-05-10 |
| EP3154770A2 (en) | 2017-04-19 |
| US20170157845A1 (en) | 2017-06-08 |
| WO2015193819A3 (en) | 2016-04-14 |
| JP6338700B2 (ja) | 2018-06-06 |
| JP2017523063A (ja) | 2017-08-17 |
| US20190381783A1 (en) | 2019-12-19 |
| WO2015193819A2 (en) | 2015-12-23 |
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