KR20090035713A - 적층 조형 장치 - Google Patents
적층 조형 장치 Download PDFInfo
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- KR20090035713A KR20090035713A KR1020097003692A KR20097003692A KR20090035713A KR 20090035713 A KR20090035713 A KR 20090035713A KR 1020097003692 A KR1020097003692 A KR 1020097003692A KR 20097003692 A KR20097003692 A KR 20097003692A KR 20090035713 A KR20090035713 A KR 20090035713A
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- 239000007789 gas Substances 0.000 claims description 39
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 240000001973 Ficus microcarpa Species 0.000 description 1
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Abstract
Description
Claims (23)
- 무기질 또는 유기질의 분말 재료로 된 분말층(powder layer)을 형성하기 위한 분말층 형성 수단;상기 분말층의 소정 부분을 소결(sinter) 또는 용융 고화(melt for solidifying)시켜 경화층(cured layer)을 형성하도록, 상기 분말층의 상기 소정 부분에 광빔(light beam)을 조사하는 광학 기기;상기 분말층과 상기 경화층이 형성되는 고정된 베이스;고정된 상기 베이스의 주위를 둘러싸고, 고정된 상기 베이스에 대해서 수직으로 이동가능하게 된 승강 프레임(elevator frame); 및상기 승강 프레임을 수직으로 이동시키도록 구동하는 승강 구동 수단을 포함하며,상기 분말층의 형성과 상기 경화층의 형성을 반복함으로써 생긴 복수의 상기 경화층을 적층 및 일체화하여 3차원의 조형물이 제조되고,상기 승강 프레임의 내면에 의해 둘러싸인 상기 베이스의 위쪽 공간에 상기 분말층이 형성되는, 적층 조형 장치.
- 무기질 또는 유기질의 분말 재료로 된 분말층을 형성하기 위한 분말층 형성 수단;상기 분말층의 소정 부분을 소결 또는 용융 고화시켜 경화층을 형성하도록, 상기 분말층의 상기 소정 부분에 광빔을 조사하는 광학 기기;상기 분말층과 상기 경화층이 형성되는 고정된 베이스;고정된 상기 베이스의 주위를 둘러싸고, 고정된 상기 베이스에 대해서 수직으로 이동가능하게 된 승강 프레임; 및상기 승강 프레임을 수직으로 이동시키도록 구동하는 승강 구동 수단을 포함하며,상기 분말층의 형성과 상기 경화층의 형성을 반복해서 생긴 복수의 상기 경화층을 적층 및 일체화하여 3차원의 조형물이 제조되고,상기 승강 프레임의 내면에 의해 둘러싸인 상기 베이스의 위쪽 공간에 상기 분말층이 형성되며,상기 3차원의 조형물에 대한 중간 생성물의 표면을 연삭(grind)하기 위한 밀링 유닛(milling unit)을 포함하고, 상기 밀링 유닛은, 상기 베이스에 고정되며, 적어도 3축 제어 가능한 수치 제어 공작 기계의 형태를 갖는, 적층 조형 장치.
- 제1항 또는 제2항에 있어서,상기 분말층 형성 수단은, 상기 승강 프레임의 상면을 따라 슬라이드 가능한 슬라이드 플레이트를 포함하며, 상기 슬라이드 플레이트는 상기 베이스의 위쪽에 형성되어 있으며 상기 승강 프레임의 내면에 의해 둘러싸인 상기 공간에 분말을 공급하기 위한 분말 공급 포트(powder supply port)를 포함하는 것을 특징으로 하는 적층 조형 장치.
- 제3항에 있어서,상기 분말 공급 포트는 상기 슬라이드 플레이트의 슬라이드 방향에 직교하는 방향에서의 폭이, 상기 베이스의 대응하는 폭보다 크도록 설정된 것을 특징으로 하는 적층 조형 장치.
- 제3항 또는 제4항에 있어서,상기 슬라이드 플레이트는 분말의 부피 밀도를 높이기 위한 부재를 구비하는 것을 특징으로 하는 적층 조형 장치.
- 제3항 내지 제5항 중 어느 한 항에 있어서,상기 슬라이드 플레이트는 상기 분말층의 표면을 평활화(smoothen)하기 위한 부재를 구비하는 것을 특징으로 하는 적층 조형 장치.
- 제1항 내지 제6항 중 어느 한 항에 있어서,상기 승강 프레임 상에 배치되며, 하면은 개방되어 있고 상기 광빔이 투과되는 상면 개구에 윈도우를 갖는 마스크 프레임(mask frame); 및상기 마스크 프레임 내에 분위기 가스(atmospheric gas)를 공급하기 위한 분위기 가스 공급 수단을 더 포함하는 것을 특징으로 하는 적층 조형 장치.
- 제7항에 있어서,상기 마스크 프레임은 내부에 상기 분위기 가스를 선회류(whirl flow)의 형태로 공급하기 위한 선회류 형성 수단을 구비하는 것을 특징으로 하는 적층 조형 장치.
- 제7항 또는 제8항에 있어서,상기 마스크 프레임의 내부 공간에서의 산소 농도를 측정하기 위한 산소 농도 측정계를 더 포함하며,상기 분위기 가스 공급 수단은 상기 산소 농도 측정계의 출력에 따라 상기 분위기 가스를 공급하도록 구성된 것을 특징으로 하는 적층 조형 장치.
- 제7항 내지 제9항 중 어느 한 항에 있어서,상기 마스크 프레임 내에서 수직으로 이동하며, 상기 분위기 가스의 공급과 배출을 행하는 피스톤을 더 포함하는 것을 특징으로 하는 적층 조형 장치.
- 제7항 내지 제10항 중 어느 한 항에 있어서,상기 윈도우는 f-θ 렌즈로 형성된 것을 특징으로 하는 적층 조형 장치.
- 제7항 내지 제11항 중 어느 한 항에 있어서,상기 윈도우의 내면을 포함하는 상기 마스크 프레임의 내면을 청소하도록 구 성된 클리닝 수단을 더 포함하는 것을 특징으로 하는 적층 조형 장치.
- 제12항에 있어서,상기 클리닝 수단은, 상기 승강 프레임 상에서 수직으로 이동할 수 있도록 형성되고 상기 마스크 프레임 내에서 회전가능하게 되어 상기 윈도우의 내면을 포함하는 상기 마스크 프레임의 내면을 청소하기 위한 클리닝 부재를 포함하는 것을 특징으로 하는 적층 조형 장치.
- 제12항 또는 제13항에 있어서,복수 개의 상기 마스크 프레임이 상기 승강 프레임의 상면에서 슬라이드 가능하게 설치되며, 상기 복수 개의 마스크 프레임 중 하나의 마스크 프레임이 상기 베이스 상에 위치하면, 다른 마스크 프레임이 상기 클리닝 수단에 의해 청소될 위치에 있게 되는 것을 특징으로 하는 적층 조형 장치.
- 제7항 내지 제14항 중 어느 한 항에 있어서,상기 광학 기기가 상기 마스크 프레임 측에 설치되어 있는 것을 특징으로 하는 적층 조형 장치.
- 제1항 내지 제15항 중 어느 한 항에 있어서,상기 승강 프레임의 상면에 설치되어 상기 광학 기기로부터의 광빔에 의해 마킹이 행해지는 마크 타겟(mark target)과;상기 마크 타겟에 부여된 상기 마킹의 위치를 측정하여 상기 광학 기기에 의한 광빔의 조사 위치에 대한 보정 데이터를 얻도록 구성된 측정 장치를 더 포함하는 것을 특징으로 하는 적층 조형 장치.
- 제1항 내지 제16항 중 어느 한 항에 있어서,상기 승강 프레임의 상면에 설치되며 상기 광학 기기로부터의 광빔의 파워를 측정하도록 구성된 파워 측정 장치를 더 포함하는 것을 특징으로 하는 적층 조형 장치.
- 제1항 또는 제2항에 있어서,상기 승강 프레임 상에 배치되며, 하면은 개방되어 있고 상기 광빔이 투과되는 상면 개구에 윈도우를 갖는 마스크 프레임;상기 마스크 프레임 내에 분위기 가스를 공급하기 위한 분위기 가스 공급 수단; 및상기 승강 프레임의 상면에서 슬라이드 가능하게 되어 있으며, 상기 분말층 형성 수단이 제공된 슬라이드 플레이트를 더 포함하며,상기 마스크 프레임은 상기 슬라이드 플레이트의 일부로서 형성된 것을 특징으로 하는 적층 조형 장치.
- 제1항 또는 제2항에 있어서,상기 승강 프레임은, 복수 개 설치되어 있는 상기 베이스의 각 외주를 둘러싸고 각각의 상기 베이스에 대해서 수직으로 이동할 수 있도록 되어 있고,상기 적층 조형 장치는 상기 승강 프레임의 상면에서 슬라이드 가능하게 되어 있는 슬라이드 플레이트를 더 포함하며,상기 분말층 형성 수단은, 상기 슬라이드 플레이트에 설치되어, 상기 복수 개의 베이스 상면 또는 위쪽에 상기 슬라이드 플레이트의 슬라이드 이동에 의해 선택적으로 분말층을 형성하는 것을 특징으로 하는 적층 조형 장치.
- 제18항 또는 제19항에 있어서,상기 슬라이드 플레이트에는 상기 밀링 유닛의 공구를 통과하기 위한 절삭용 개구(milling opening)가 형성되어 있는 것을 특징으로 하는 적층 조형 장치.
- 제18항 내지 제20항 중 어느 한 항에 있어서,상기 슬라이드 플레이트에는 상기 베이스 위의 미경화 분말을 흡인하여 제거하는 흡인부(suction unit)가 설치되어 있는 것을 특징으로 하는 적층 조형 장치.
- 제18항 내지 제21항 중 어느 한 항에 있어서,상기 슬라이드 플레이트는 상기 승강 프레임의 상면에 대해 슬라이드하도록 회전하는 것을 특징으로 하는 적층 조형 장치.
- 제1항 내지 제22항 중 어느 한 항에 있어서,상기 광학 기기는 광빔에 의해 조사된 평면에 대해 가변의 높이 위치를 갖도록 배치된 것을 특징으로 하는 적층 조형 장치.
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KR20180133342A (ko) * | 2017-06-06 | 2018-12-14 | 3디 시스템즈 인코오퍼레이티드 | 프로세스 챔버의 레이저 윈도우의 세정 및/또는 교체를 위한 방법 및 장치 |
US11090729B2 (en) | 2017-06-06 | 2021-08-17 | 3D Systems, Inc. | Method and device for cleaning and/or replacement of a laser window of a process chamber |
KR20200087172A (ko) * | 2017-10-31 | 2020-07-20 | 멜드 매뉴팩쳐링 코포레이션 | 고체-상태의 첨가제 제조 시스템 및 재료 조성물 및 구조 |
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KR100925363B1 (ko) | 2009-11-09 |
DE112008000027B4 (de) | 2015-05-21 |
CN101541511A (zh) | 2009-09-23 |
CN101541511B (zh) | 2011-12-21 |
WO2008146920A1 (ja) | 2008-12-04 |
DE112008000027T5 (de) | 2009-06-10 |
US20100006228A1 (en) | 2010-01-14 |
JP2009078558A (ja) | 2009-04-16 |
JP4238938B2 (ja) | 2009-03-18 |
JP5027780B2 (ja) | 2012-09-19 |
DE202008017990U1 (de) | 2011-02-10 |
US8070474B2 (en) | 2011-12-06 |
JP2009007669A (ja) | 2009-01-15 |
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