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NTIS 바로가기Composites research = 복합재료, v.31 no.5, 2018년, pp.192 - 201
오은영 (Department of Mechanical Engineering, Sungkyunkwan University) , 이진우 (Department of Polymer Science & Engineering, Sungkyunkwan University) , 서종환 (Department of Mechanical Engineering, Sungkyunkwan University)
The use of 3D printing for rapid tooling and manufacturing has promised to produce components with complex geometries according to computer designs and it is emerging as the next generation key of manufacturing. Due to the intrinsically limited mechanical/electrical properties and functionalities of...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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3D 프린팅 기술은 어느분야에 활용되고 있는가? | CAD 등 3D 모델링 소프트웨어로 설계한 입체 모형을 마치 지도의 등고선을 여러 개의 얇은 층으로 분리한 것 같은 평면을 쌓아 올려 입체감 있는 물체를 완성하는 것이 3D 프린팅 기술의 기본 원리이다. 전통적인 제조방식인 절삭 가공대비, 복잡한 형상을 제작하는데 있어 재료의 낭비를 줄일 수 있고, 시간과 비용 등 경제적인 측면에서 자동차, 전자, 항공·우주, 의료와 같은 다양한 산업 분야에서 각광받고 있다. 특히 형상의 제약을 받지 않아 개개인의 신체적 특성 반영이 요구되는 의료 산업에 적합하고, 수요에 따른 주문생산 방식에 적용시 재료 비, 제조 기간, 운송비 등을 절약할 수 있으므로 패션과 산업 디자인 분야 등과 같은 제조업에서 빠르게 수용 및 확산 되고 있는 추세이다[2]. 일반적으로 널리 쓰이는 3D 프린 팅기술에는용융압출적층(FDM, Fused deposition modeling)과 광 조형(SLA, Stereo lithography apparatus), 선택적 레이저 소결(SLS, Selective laser sintering), 3D plotting/direct-write 방식이 있으며, 그 외 기술로는 광경화성 잉크(Photopolymer ink)를 분사한 후 경화시켜 형상을 제조하는 Polyjet, 영사기 광(Project light)에 의한 광중합체(Photopolymer) 전체 표면의 선택적 중합반응에 기초한 디지털 광처리기(DLP, Digital light processing), 휘발성 용매기반 고분자 용액으로부터 직 접적으로 물질층을 첨가하여 증착하는 액체 증착 조형(LDM, Liquid deposition modeling), 그리고 압출된 유동성 고분자 기지재 내에 섬유를 직접 캡슐화하여 첨가하는 섬유 캡슐화 첨가제 제조 방식(FEAM, Fiber encapsulation additive manufacturing) 등 다양한 3D 프린팅 방식이 개발/보급되고 있다[3]. | |
3D 프린팅이란 무엇인가? | 3D 프린팅은 적층제조(AM, Additive Manufacturing) 또는 임의 형상 제작(SFF, Solid-freeform fabrication)의 제조방식으로 3차원 모델 데이터를 활용하여 객체를 만들기 위해 재료를 적층하는 프로세스이다[1]. CAD 등 3D 모델링 소프트웨어로 설계한 입체 모형을 마치 지도의 등고선을 여러 개의 얇은 층으로 분리한 것 같은 평면을 쌓아 올려 입체감 있는 물체를 완성하는 것이 3D 프린팅 기술의 기본 원리이다. | |
3D 프린팅 기술의 기본 원리는 무엇인가? | 3D 프린팅은 적층제조(AM, Additive Manufacturing) 또는 임의 형상 제작(SFF, Solid-freeform fabrication)의 제조방식으로 3차원 모델 데이터를 활용하여 객체를 만들기 위해 재료를 적층하는 프로세스이다[1]. CAD 등 3D 모델링 소프트웨어로 설계한 입체 모형을 마치 지도의 등고선을 여러 개의 얇은 층으로 분리한 것 같은 평면을 쌓아 올려 입체감 있는 물체를 완성하는 것이 3D 프린팅 기술의 기본 원리이다. 전통적인 제조방식인 절삭 가공대비, 복잡한 형상을 제작하는데 있어 재료의 낭비를 줄일 수 있고, 시간과 비용 등 경제적인 측면에서 자동차, 전자, 항공·우주, 의료와 같은 다양한 산업 분야에서 각광받고 있다. |
Standard A. F2792, Standard Terminology for Additive Manufacturing Technologies. West.
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[online] Available at: https://www.statista.com/statistics/739182/worldwide-survey-3d-printing-applications
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