KR102126243B1 - 3차원 형상 조형물의 제조 방법 및 그 제조 장치 - Google Patents
3차원 형상 조형물의 제조 방법 및 그 제조 장치 Download PDFInfo
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- KR102126243B1 KR102126243B1 KR1020177008411A KR20177008411A KR102126243B1 KR 102126243 B1 KR102126243 B1 KR 102126243B1 KR 1020177008411 A KR1020177008411 A KR 1020177008411A KR 20177008411 A KR20177008411 A KR 20177008411A KR 102126243 B1 KR102126243 B1 KR 102126243B1
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- suction nozzle
- suction
- powder
- cutting device
- layer
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Ceramic Engineering (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
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Abstract
Description
도 2는 분말 소결 적층법을 실시하기 위한 장치를 모식적으로 나타낸 사시도이다(도 2 (a): 절삭 기구를 구비한 광 조형 복합 가공기, 도 2 (b): 절삭 기구를 구비하지 않은 장치).
도 3은 분말 소결 적층법이 행해지는 태양을 모식적으로 나타낸 사시도이다.
도 4는 분말 소결 적층법을 표면 절삭 처리와 병행하여 실시하는 장치(광 조형 복합 가공기)의 구성을 모식적으로 나타낸 사시도이다.
도 5는 광 조형 복합 가공기의 동작의 흐름도이다.
도 6은 광 조형 복합 가공기에 의한 프로세스를 경시(經時)적으로 나타낸 모식도이다.
도 7은 본 발명의 개념(본 발명의 제조 방법의 개념/본 발명의 제조 장치의 구성 개념)을 모식적으로 나타낸 도면이다.
도 8은 본 발명에서의 "흡인 노즐"을 설명하기 위한 도면이다.
도 9는 흡인 노즐 및 절삭 디바이스의 배치 태양을 나타낸 모식도이다.
도 10은 "절삭 디바이스의 형태를 바꾸는 태양"을 설명하기 위한 모식도이다.
도 11은 "더미·툴링을 사용하는 태양"에 관련한 모식도이다.
도 12는 "흡인 노즐에 대해 적극적으로 조작을 행하는 태양"을 설명하기 위한 모식도이다.
도 13은 본 발명에 관련한 실증 실험을 설명하기 위한 도면·그래프이다.
도 14는 본 발명자들이 발견한 현상을 설명하기 위한 도면·사진 도이다.
2: 분말층 형성 수단
3: 광빔 조사 수단
4: 절삭 수단
19: 분말/분말층(예를 들면, 금속 분말/금속 분말층 또는 수지 분말/수지 분말층)
20: 조형 테이블(지지 테이블)
21: 조형 플레이트
22: 분말층(예를 들면, 금속 분말층 또는 수지 분말층)
23: 스퀴징용 블레이드
24: 고화층(예를 들면, 소결층 또는 경화층) 또는 그로부터 얻어지는 3차원 형상 조형물
25: 분말 테이블
26: 분말 재료 탱크의 벽 부분
27: 조형 탱크의 벽 부분
28: 분말 재료 탱크
29: 조형 탱크
30: 광빔 발진기
31: 갈바노미러
32: 반사 미러
33: 집광 렌즈
40: 밀링 헤드
41: XY 구동 기구
41a: X축 구동부
41b: Y축 구동부
42: 툴 매거진
50: 챔버
52: 광투과 창
60: 흡인 노즐
62: 흡인 노즐의 세통부
64: 흡인 기구
66: 연결 호스
70: 절삭 디바이스
72: 주축대
74: 툴링
76: 절삭 공구
100: 본 발명의 제조 장치의 개념도
L: 광빔
Claims (14)
- (i) 분말층의 소정 개소에 광빔을 조사하여 상기 소정 개소의 분말을 소결 또는 용융 고화시켜 고화층을 형성하는 과정, 및
(ii) 얻어진 고화층 상에 새로운 분말층을 형성하고, 상기 새로운 분말층의 소정 개소에 광빔을 조사하여 고화층을 더 형성하는 과정
에 의해 분말층 형성 및 고화층 형성을 반복하여 행하는 3차원 형상 조형물의 제조 방법으로서,
상기 고화층을 얻은 후에 상기 고화층의 표면에 절삭 디바이스로 표면 절삭 처리를 행하는 과정을 적어도 1회 포함하고,
상기 표면 절삭 처리에 앞서, 상기 고화층의 주위의 분말을 흡인 노즐에 의해 흡인 제거하고, 또한
상기 흡인 제거 시에는, 상기 흡인 노즐의 선단 레벨 A가 상기 절삭 디바이스의 선단 레벨 B보다 낮은 위치가 되도록 상기 선단 레벨 A와 상기 선단 레벨 B의 상대적인 위치 관계를 변경하고, 또한
상기 흡인 노즐 및 상기 절삭 디바이스가 서로 인접하여 설치된 상태에서 상기 흡인 노즐을 상기 흡인 제거에 사용하며,
상기 흡인 노즐의 흡인 경로가, 상기 절삭 디바이스의 이동 경로로부터, 상기 절삭 디바이스의 주축과 상기 흡인 노즐과의 사이의 오프셋 양(offset amount)만큼 시프트된 경로로 이루어지고,
상기 분말층이 광범위하게 존재하는 개소와 상기 분말층이 좁게 존재하는 개소와의 사이에서 상기 흡인 노즐의 흡인 조건을 변경시키는,
3차원 형상 조형물의 제조 방법. - 제1항에 있어서,
가장 최근에 형성된 분말층에 대한 이격 거리를 변경함이 없이 상기 흡인 노즐을 이동시키는, 3차원 형상 조형물의 제조 방법. - 제1항 또는 제2항에 있어서,
상기 흡인 제거에서는, 가장 최근에 형성된 분말층과 상기 흡인 노즐의 상기 선단 레벨 A와의 사이의 이격 거리를 1 mm 이내로 하는, 3차원 형상 조형물의 제조 방법. - 제1항에 있어서,
상기 흡인 노즐을 상기 3차원 형상 조형물의 단면 윤곽을 따라 주회하도록 수평 이동 시키는, 3차원 형상 조형물의 제조 방법. - 삭제
- 제1항에 있어서,
상기 분말층이 광범위하게 존재하는 개소에 대해서는 상기 흡인 노즐의 주사 속도를 상대적으로 감소시키는 한편, 상기 분말층이 좁게 존재하는 개소에 대해서는 상기 흡인 노즐의 주사 속도를 상대적으로 층가시키는, 3차원 형상 조형물의 제조 방법. - 제1항에 있어서,
상기 흡인 노즐의 세통부는, 그 선단이 협착하는 형태로 되어 있는, 3차원 형상 조형물의 제조 방법. - 제1항에 있어서,
상기 절삭 디바이스의 형태를 변경함으로써 상기 선단 레벨 A와 상기 선단 레벨 B의 상기 상대적인 위치 관계를 변경하는, 3차원 형상 조형물의 제조 방법. - 제8항에 있어서,
상기 절삭 디바이스가, 주축대, 툴링 및 절삭 공구를 포함하여 이루어지고,
상기 툴링 및 상기 절삭 공구 대신에 더미·툴링만을 상기 주축대에 장착한 상태로 하고, 상기 상태에서 상기 흡인 제거를 실시하는, 3차원 형상 조형물의 제조 방법. - 제9항에 있어서,
상기 더미·툴링이 상기 툴링과 동일한 종류의 툴링인, 3차원 형상 조형물의 제조 방법. - 제8항에 있어서,
상기 절삭 디바이스가, 주축대, 툴링 및 절삭 공구를 포함하여 이루어지고,
상기 툴링 및 상기 절삭 공구를 상기 주축으로부터 분리한 상태로 하고, 상기 상태에서 상기 흡인 제거를 행하는, 3차원 형상 조형물의 제조 방법. - 제1항에 있어서,
상기 흡인 노즐의 상기 선단 레벨 A가 상기 절삭 디바이스의 상기 선단 레벨 B보다 아래 레벨이 되도록 상기 흡인 노즐을 구동시킴으로써, 상기 선단 레벨 A와 상기 선단 레벨 B의 상기 상대적인 위치 관계를 변경하는, 3차원 형상 조형물의 제조 방법. - 3차원 형상 조형물의 제조 장치로서,
분말층을 형성하기 위한 분말층 형성 수단,
고화층이 형성되도록 상기 분말층에 광빔을 조사하기 위한 광빔 조사 수단,
상기 분말층 및/또는 상기 고화층이 형성되게 되는 조형 테이블,
상기 분말층 중 적어도 일부의 분말을 흡인 제거하기 위한 흡인 노즐, 및
상기 고화층 및 상기 고화층으로 형성되는 상기 3차원 형상 조형물에 표면 절삭 처리를 행하기 위한 절삭 디바이스
를 포함하여 이루어지고,
상기 흡인 노즐의 선단 레벨 A가 상기 절삭 디바이스의 선단 레벨 B보다 낮은 위치가 되도록 상기 선단 레벨 A와 상기 선단 레벨 B의 상대적인 위치 관계를 변경할 수 있는 구성을 가지고, 또한
상기 흡인 노즐의 축과 상기 절삭 디바이스의 축이 거의 평행하게 되도록 상기 흡인 노즐 및 상기 절삭 디바이스가 서로 인접하여 배치되어 있으며, 또한
상기 흡인 노즐의 흡인 경로는, 상기 절삭 디바이스의 이동 경로로부터, 상기 절삭 디바이스의 주축과 상기 흡인 노즐과의 사이의 오프셋 양(offset amount)만큼 시프트된 경로로 이루어지고,
상기 분말층이 광범위하게 존재하는 개소와 상기 분말층이 좁게 존재하는 개소와의 사이에서 상기 흡인 노즐의 흡인 조건을 변경시키는,
3차원 형상 조형물의 제조 장치. - 제13항에 있어서,
상기 절삭 디바이스가, 주축대, 툴링 및 절삭 공구를 포함하여 이루어지고, 상기 툴링와 바꿀 수가 있는 더미·툴링을 별도 구비하고 있는, 3차원 형상 조형물의 제조 장치.
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US9586285B2 (en) | 2017-03-07 |
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EP2910323B1 (en) | 2017-04-19 |
KR20160019558A (ko) | 2016-02-19 |
CN104768681A (zh) | 2015-07-08 |
TW201532711A (zh) | 2015-09-01 |
KR20150043564A (ko) | 2015-04-22 |
JP2015017295A (ja) | 2015-01-29 |
EP2910323A1 (en) | 2015-08-26 |
KR20170038112A (ko) | 2017-04-05 |
JP5612735B1 (ja) | 2014-10-22 |
CN104768681B (zh) | 2016-05-25 |
EP2910323A4 (en) | 2016-01-13 |
WO2015005497A1 (ja) | 2015-01-15 |
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