JP2019136923A - 立体造形方法 - Google Patents
立体造形方法 Download PDFInfo
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- JP2019136923A JP2019136923A JP2018021502A JP2018021502A JP2019136923A JP 2019136923 A JP2019136923 A JP 2019136923A JP 2018021502 A JP2018021502 A JP 2018021502A JP 2018021502 A JP2018021502 A JP 2018021502A JP 2019136923 A JP2019136923 A JP 2019136923A
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- 238000000034 method Methods 0.000 title claims abstract description 72
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Classifications
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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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
-
- 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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
- B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
-
- 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
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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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
- B29C64/20—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]
-
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/08—Glass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2907/00—Use of elements other than metals as mould material
- B29K2907/04—Carbon
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
Abstract
Description
(1)液槽重合法(Vat Photopolymerization)
(2)材料押出法(Material extrusion)
(3)粉末床溶融結合法(Powder bed fusion)
(4)結合材噴射法(Binder Jetting)
(5)シート積層法(Sheet lamination)
(6)材料噴射法(Material Jetting)
(7)指向性エネルギー堆積法(Directed Energy Deposition)
(1)液槽重合法はこれらの中でも最も古い時期に実用化されたもので、3Dプリンタの名称が一般化する以前から、光造形法などの名称でラピッドプロトタイピング用途として用いられてきている。多くは紫外線硬化(重合)樹脂を用い、図22に示すように紫外線硬化樹脂41を槽3内に保持し、その液面に紫外線7を選択的に照射して、第1層目の硬化領域42を形成する(図22(a)〜(c))。該第1層目の硬化領域41は適当なサポート部材4でサポートされる。次に該サポート部材4ごと第1層目の硬化領域42を液中に沈める(図22(d))、或いは、液面を上昇させることにより、第1層目の硬化領域42を一定深さだけ液中に沈める。次いで再び紫外線7を液面に選択的に照射して、第1層目の硬化領域42の上方に第2層目の硬化領域43を第1層目の硬化領域42と積層方向に連続するように形成する(図22(e))。これを繰り返すことによって、立体造形物を得る方式である。
1a スキン層
1b コア部
2 コア材
2a 充填済みコア材
3 硬化済みコア材
4a ベース材
4b 針状サポート
60 槽
61 造形材料粉
62 材料床
63 赤外線レーザー
64,65 ガルバノ光学系
66 レーザー光
67 1層目の造形層
68 スキージ
69 テーブル
71 レーザー光
72 二重菅ノズル
73 内側ノズル
74 集光レンズ
75 ベース
76 外側ノズル
77 溶融池
90 強化材
91 母材
92 強化材分散液
93 槽
94 寝た強化材
100 複合材3Dプリンタ
101 立体造形物
111 造形槽
112 レーザー光学系
113 コア材供給系
114 紫外線レーザー
115 走査光学系
116 コア材
116a 注入済みコア材
117 コア材タンク
118a,118b 配管系
119 ポンプ
120 ノズル
121 紫外線硬化樹脂、シェル材
121a,121b 未硬化シェル材
123 硬化済み紫外線硬化樹脂
125,125a シェル層
126 コア部
128 造形台
129 界面残存シェル材
130 レーザー光
Claims (7)
- 立体造形物の外殻層(シェル層)をシェル材を用いて先に造形し、次に造形済みの該外殻層の内部(コア部)をコア材を用いて造形する立体造形方法であって、前記シェル層の造形が付加製造技術によって行われ、かつその積層造形方向に複数回に分割して造形されるものであり、さらに前記コア材が活性エネルギー線の照射又は熱エネルギーの付与により流動状態から非流動状態に硬化するものであり、前記複数回に分割された前記シェル層の造形毎に、前記コア材が造形済みの前記シェル層内部(前記コア部)に充填され、前記複数回のシェル層の造形と前記コア材の前記コア部への充填がすべて完了後、活性エネルギー線の照射又は熱エネルギーの付与により前記コア材を一括して硬化させることを特長とする立体造形方法。
- 前記シェル層が液槽重合法により造形されるものであって、前記シェル材が活性エネルギー線の照射により流動状態から非流動状態に硬化するものであり、前記コア材を一括して硬化させるのと同時又はその前後に、さらに活性エネルギーを照射することにより、前記コア部にわずかに残存する前記シェル材をも硬化させることを特長とする請求項1に記載の立体造形方法。
- 造形済みであって、未硬化の前記シェル材のみが残存する前記コア部に前記コア材を充填するにあたり、前記未硬化の前記シェル材中に前記コア材を注入することにより、前記未硬化の前記シェル材と前記コア材を置換することを特長とする請求項2に記載の立体造形方法。
- 造形済みであって、未硬化の前記シェル材と充填済みの前記コア材が併存する前記コア部に、さらに前記コア材を充填(再充填)するにあたり、前記注入済みの前記コア材中に、前記再充填の前記コア材を注入することを特長とする請求項2又は3に記載の立体造形方法。
- 前記シェル材及び/又は前記コア材が、強化材を含むものであることを特長とする請求項1乃至4のいずれかに記載の立体造形方法。
- 前記強化材が炭素繊維、ガラス繊維、アラミド繊維のいずれか又はそれらの組み合わせより成る繊維状の強化材であることを特長とする請求項5に記載の立体造形方法。
- 前記積層造形方向が重力方向であり、かつ未硬化の前記コア材の比重が未硬化の前記シェル材の比重よりも大きいことを特長とする請求項2乃至6のいずれかに記載の立体造形方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018021502A JP6938398B2 (ja) | 2018-02-09 | 2018-02-09 | 立体造形方法 |
US16/967,579 US11390018B2 (en) | 2018-02-09 | 2019-01-24 | Three-dimensional modeling method |
EP19751751.9A EP3750689B1 (en) | 2018-02-09 | 2019-01-24 | Three-dimensional forming method |
PCT/JP2019/002254 WO2019155897A1 (ja) | 2018-02-09 | 2019-01-24 | 立体造形方法 |
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JP2018021502A JP6938398B2 (ja) | 2018-02-09 | 2018-02-09 | 立体造形方法 |
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JP2019136923A true JP2019136923A (ja) | 2019-08-22 |
JP6938398B2 JP6938398B2 (ja) | 2021-09-22 |
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US (1) | US11390018B2 (ja) |
EP (1) | EP3750689B1 (ja) |
JP (1) | JP6938398B2 (ja) |
WO (1) | WO2019155897A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11911970B2 (en) | 2020-09-29 | 2024-02-27 | Seiko Epson Corporation | Method for manufacturing three-dimensional shaped object, information processing device, and three-dimensional shaping device |
WO2024070869A1 (ja) * | 2022-09-29 | 2024-04-04 | サントリーホールディングス株式会社 | 位置制御可能なノズルを用いるパターン入り液体の製造方法 |
WO2024172041A1 (ja) * | 2023-02-17 | 2024-08-22 | 東レエンジニアリング株式会社 | 立体造形方法、立体造形物の製造方法、及び立体造形物 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3856487A1 (en) | 2018-09-28 | 2021-08-04 | Stratasys Ltd. | Three-dimensional inkjet printing of a thermally stable object |
IL281855B (en) * | 2018-09-28 | 2022-07-01 | Stratasys Ltd | Additive manufacturing process with partial fusion |
JP2022155679A (ja) * | 2021-03-31 | 2022-10-14 | 東レエンジニアリング株式会社 | 立体造形方法 |
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2018
- 2018-02-09 JP JP2018021502A patent/JP6938398B2/ja active Active
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2019
- 2019-01-24 US US16/967,579 patent/US11390018B2/en active Active
- 2019-01-24 EP EP19751751.9A patent/EP3750689B1/en active Active
- 2019-01-24 WO PCT/JP2019/002254 patent/WO2019155897A1/ja unknown
Patent Citations (6)
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JP2000190086A (ja) * | 1998-12-22 | 2000-07-11 | Matsushita Electric Works Ltd | 三次元形状造形物の製造方法および金型 |
JP2005125787A (ja) * | 2003-10-23 | 2005-05-19 | Hewlett-Packard Development Co Lp | 立体造形システムおよび方法 |
JP2006078604A (ja) * | 2004-09-07 | 2006-03-23 | Toin Gakuen | 人体患部実体モデル及びその製造方法 |
JP2018502751A (ja) * | 2015-04-30 | 2018-02-01 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー.Hewlett‐Packard Development Company, L.P. | 多重構造3d物体の印刷 |
WO2017038985A1 (ja) * | 2015-09-04 | 2017-03-09 | Jsr株式会社 | 立体造形物の製造方法及びこれに用いられるノズル移動経路のデータ作成方法、並びに立体造形物の製造装置及びこれに用いられるノズル移動経路のデータ作成プログラム |
WO2018097157A1 (ja) * | 2016-11-28 | 2018-05-31 | 東レエンジニアリング株式会社 | 立体造形方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11911970B2 (en) | 2020-09-29 | 2024-02-27 | Seiko Epson Corporation | Method for manufacturing three-dimensional shaped object, information processing device, and three-dimensional shaping device |
WO2024070869A1 (ja) * | 2022-09-29 | 2024-04-04 | サントリーホールディングス株式会社 | 位置制御可能なノズルを用いるパターン入り液体の製造方法 |
WO2024172041A1 (ja) * | 2023-02-17 | 2024-08-22 | 東レエンジニアリング株式会社 | 立体造形方法、立体造形物の製造方法、及び立体造形物 |
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US20210268722A1 (en) | 2021-09-02 |
US11390018B2 (en) | 2022-07-19 |
JP6938398B2 (ja) | 2021-09-22 |
EP3750689A1 (en) | 2020-12-16 |
EP3750689B1 (en) | 2024-03-13 |
WO2019155897A1 (ja) | 2019-08-15 |
EP3750689A4 (en) | 2021-11-10 |
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