JP6651620B2 - 積層造形装置 - Google Patents
積層造形装置 Download PDFInfo
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- JP6651620B2 JP6651620B2 JP2018520667A JP2018520667A JP6651620B2 JP 6651620 B2 JP6651620 B2 JP 6651620B2 JP 2018520667 A JP2018520667 A JP 2018520667A JP 2018520667 A JP2018520667 A JP 2018520667A JP 6651620 B2 JP6651620 B2 JP 6651620B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000000654 additive Substances 0.000 title claims description 17
- 230000000996 additive effect Effects 0.000 title claims description 17
- 239000007789 gas Substances 0.000 claims description 76
- 239000000843 powder Substances 0.000 claims description 53
- 239000012535 impurity Substances 0.000 claims description 40
- 239000011261 inert gas Substances 0.000 claims description 28
- 239000011521 glass Substances 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000006837 decompression Effects 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- -1 moisture Chemical compound 0.000 claims 1
- 239000003517 fume Substances 0.000 description 15
- 238000000465 moulding Methods 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000003892 spreading Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
- B22F10/322—Process control of the atmosphere, e.g. composition or pressure in a building chamber of the gas flow, e.g. rate or direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/70—Gas flow means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
- B22F3/101—Changing atmosphere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/264—Arrangements for irradiation
- B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C64/30—Auxiliary operations or equipment
- B29C64/364—Conditioning of environment
- B29C64/371—Conditioning of environment using an environment other than air, e.g. inert gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/44—Radiation means characterised by the configuration of the radiation means
- B22F12/45—Two or more
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/49—Scanners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/10—Inert gases
- B22F2201/11—Argon
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- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/10—Inert gases
- B22F2201/12—Helium
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- B22F2203/00—Controlling
- B22F2203/13—Controlling pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- Automation & Control Theory (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Powder Metallurgy (AREA)
- Laser Beam Processing (AREA)
Description
図1に第1の実施例における斜視図を示す。積層造形装置は、粉末供給部1と、造形部4と、粉末排出部5を有している。粉末供給部1と、造形部4と、粉末排出部5は、かかる順番で水平方向に一列に並んで配置されており、これらの上部を列方向に往復移動可能にコーター7が設けられている。
図3は、第2の実施例におけるAr流量と不純物ガス割合の関係を示すグラフである。第1の実施例とArガスの流量制御の考え方は同じであるが、コーター7で粉末を敷き詰めているときにだけArガスを流す点が異なる。
Claims (8)
- 粉末を敷き詰めて、ビームでスキャンして前記粉末を溶融することにより凝固層を形成し、前記凝固層を積層して3次元の造形物を造形する積層造形装置であって、
造形エリアを減圧雰囲気にする減圧手段と、
前記造形エリアに不活性ガスを供給する不活性ガス供給手段と、
前記造形エリアの不純物ガスの割合を検出する検出手段と、
該検出手段により検出した前記不純物ガスの割合が閾値を超えている場合は、前記不活性ガス供給手段を制御して前記不活性ガスの供給量を減らす制御手段と、
を有することを特徴とする積層造形装置。 - 前記制御手段は、前記不純物ガスの割合が増えるに応じて前記不活性ガスの供給量を減らすことを特徴とする請求項1に記載の積層造形装置。
- 前記不活性ガスは、ArガスまたはHeガスであることを特徴とする請求項2に記載の積層造形装置。
- 前記不純物ガスは、酸素、窒素、水素、水分、一酸化炭素の少なくともいずれか一つであることを特徴とする請求項3に記載の積層造形装置。
- 前記ビームは、レーザ光であること特徴とする請求項4に記載の積層造形装置。
- 前記不活性ガス供給手段は、前記粉末の溶融直後に前記不活性ガスを流すことを特徴とする請求項5に記載の積層造形装置。
- 前記レーザ光を発振するレーザ発振器と前記造形エリアとの間には、前記レーザ光が通過可能な保護ガラスが設けられており、
前記不活性ガス供給手段は、前記保護ガラスのガラス面に向かって前記不活性ガスを吹き付けることを特徴とする請求項6に記載の積層造形装置。 - 前記不純物ガスの割合が上限値を超えている場合は、前記造形物の造形を中断することを特徴とする請求項7に記載の積層造形装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016109162 | 2016-05-31 | ||
JP2016109162 | 2016-05-31 | ||
PCT/JP2017/009123 WO2017208553A1 (ja) | 2016-05-31 | 2017-03-08 | 積層造形装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017208553A1 JPWO2017208553A1 (ja) | 2019-03-22 |
JP6651620B2 true JP6651620B2 (ja) | 2020-02-19 |
Family
ID=60478275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018520667A Active JP6651620B2 (ja) | 2016-05-31 | 2017-03-08 | 積層造形装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20190299289A1 (ja) |
JP (1) | JP6651620B2 (ja) |
DE (1) | DE112017002704T5 (ja) |
WO (1) | WO2017208553A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20210011421A (ko) * | 2018-07-23 | 2021-02-01 | 미츠비시 파워 가부시키가이샤 | 적층 조형 장치 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6872922B2 (ja) * | 2017-02-10 | 2021-05-19 | 三菱重工業株式会社 | 三次元積層造形装置 |
EP3473443A1 (en) * | 2017-10-20 | 2019-04-24 | CL Schutzrechtsverwaltungs GmbH | Apparatus for additively manufacturing of three-dimensional objects |
EP3486070B8 (en) * | 2017-11-15 | 2023-04-12 | Concept Laser GmbH | Method for additively manufacturing of three-dimensional objects |
US10835996B2 (en) * | 2018-01-30 | 2020-11-17 | Siemens Energy, Inc. | Laser metal deposition with inoculation |
JP2019142024A (ja) * | 2018-02-16 | 2019-08-29 | 株式会社日立製作所 | 付加製造装置 |
US10814430B2 (en) * | 2018-04-09 | 2020-10-27 | General Electric Company | Systems and methods for additive manufacturing flow control devices |
EP3823779A1 (de) * | 2018-07-19 | 2021-05-26 | Heraeus Additive Manufacturing GmbH | Verwendung von pulvern hochreflektiver metalle für die additive fertigung |
US11020763B2 (en) | 2018-08-21 | 2021-06-01 | General Electric Company | Spacer flow guide for partitioning build chamber of an additive manufacturing system |
CN109159422B (zh) * | 2018-10-10 | 2020-09-11 | 大连理工大学 | 一种激光辅助电喷射原位打印装置 |
CN109366980B (zh) * | 2018-10-10 | 2020-04-28 | 大连理工大学 | 一种激光辅助电喷射原位打印制造方法 |
JP2021020322A (ja) * | 2019-07-24 | 2021-02-18 | 株式会社リコー | 立体造形装置及び立体造形方法 |
KR102246725B1 (ko) * | 2020-06-02 | 2021-04-30 | 한국생산기술연구원 | 플라즈마 액츄에이터를 포함하는 3d 프린팅 장치 |
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JP2004277878A (ja) * | 2003-02-25 | 2004-10-07 | Matsushita Electric Works Ltd | 三次元形状造形物の製造装置及び製造方法 |
DE112008000027B4 (de) | 2007-05-30 | 2015-05-21 | Panasonic Intellectual Property Management Co., Ltd. | Laminier-Formgebungsvorrichtung |
JP6101707B2 (ja) * | 2011-12-28 | 2017-03-22 | ア−カム アーベー | 積層造形法による三次元物品の解像度を向上させるための方法および装置 |
US9669583B2 (en) * | 2013-03-15 | 2017-06-06 | Renishaw Plc | Selective laser solidification apparatus and method |
JP6338422B2 (ja) * | 2014-03-31 | 2018-06-06 | 三菱重工業株式会社 | 三次元積層装置 |
JP5721887B1 (ja) * | 2014-06-20 | 2015-05-20 | 株式会社ソディック | 積層造形装置 |
JP5841649B1 (ja) * | 2014-10-08 | 2016-01-13 | 株式会社ソディック | 積層造形装置 |
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2017
- 2017-03-08 JP JP2018520667A patent/JP6651620B2/ja active Active
- 2017-03-08 WO PCT/JP2017/009123 patent/WO2017208553A1/ja active Application Filing
- 2017-03-08 US US16/301,478 patent/US20190299289A1/en not_active Abandoned
- 2017-03-08 DE DE112017002704.7T patent/DE112017002704T5/de active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20210011421A (ko) * | 2018-07-23 | 2021-02-01 | 미츠비시 파워 가부시키가이샤 | 적층 조형 장치 |
Also Published As
Publication number | Publication date |
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DE112017002704T5 (de) | 2019-02-14 |
JPWO2017208553A1 (ja) | 2019-03-22 |
US20190299289A1 (en) | 2019-10-03 |
WO2017208553A1 (ja) | 2017-12-07 |
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