JP2017214660A - 多孔質構造およびその製造方法 - Google Patents
多孔質構造およびその製造方法 Download PDFInfo
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Classifications
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- 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
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B22F10/38—Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
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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
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- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
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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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
Abstract
【解決手段】本開示は、入力データに対して逆効果を与えることによって、方向性構築不一致などの、製造工程の系統的誤差を補償するために、ラピッドマニュファクチャリングテクノロジ(RMT)機械への入力データを、よりよく制御して修正することを可能にする。この修正は、全体構造に対するグローバルスケーリング効果をある部分に対する所望のローカル効果から切り離すことによって、構築しようとする構造のその他の部分に対して導入される不要な歪みを最小にして達成される。
【選択図】図2
Description
A'=γA B'=γB
504'=γ504 506'=ξ506
ただし、γ≠ξ、およびγ、ξは、>1、<1、または=1であり得る。
12 ストラッド
14 孔
A 長さ
A' 長さ
B 厚さ
B' 厚さ
200 ストラッド
202 ノード
204 ノード
206 本体
206' 本体
208 ローカル座標系またはノード座標系
210 機械座標系
212 矢印
214 厚さ
216 厚さ
218 矢印
500 構造
502 ストラッド
504 厚さ
504' 厚さ
506 長さ
506' 長さ
512 本体
508 ノード
508' ノード
510 ノード
510' ノード
514 ローカル座標系またはノード座標系
516 機械座標系
520 矢印
522 ローカル座標系またはノード座標系
524 矢印
526 矢印
Claims (1)
- 多孔質構造を製作する方法であって、
a. 多孔質構造のモデルを作成する作成ステップであって、前記多孔質構造の少なくとも1本のストラッドを定義するステップを含み、前記少なくとも1本のストラッドが、第1のノード、第2のノード、および前記第1のノードと前記第2のノードの間の本体を含む、前記作成ステップと、
b. 前記少なくとも1本のストラッドにローカル座標系を割り当てるステップであって、前記ローカル座標系が、第1の面の法線ベクトルに垂直な少なくとも1つの方向を有するステップと、
c. 前記少なくとも1つの方向において、前記少なくとも1本のストラッドの寸法を修正する修正ステップであって、前記第1の面におけるいかなる変更にも影響を与えない、前記修正ステップと、
d. 溶融可能な材料をエネルギー源にさらすことによって、前記モデルに従って前記多孔質構造を製作するステップと
を含む、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261590221P | 2012-01-24 | 2012-01-24 | |
US61/590,221 | 2012-01-24 |
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JP2014554796A Division JP6208148B2 (ja) | 2012-01-24 | 2013-01-23 | 多孔質構造の製作方法 |
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Publication Number | Publication Date |
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JP2017214660A true JP2017214660A (ja) | 2017-12-07 |
JP6643289B2 JP6643289B2 (ja) | 2020-02-12 |
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JP2014554796A Active JP6208148B2 (ja) | 2012-01-24 | 2013-01-23 | 多孔質構造の製作方法 |
JP2017170978A Active JP6643289B2 (ja) | 2012-01-24 | 2017-09-06 | 多孔質構造およびその製造方法 |
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JP2014554796A Active JP6208148B2 (ja) | 2012-01-24 | 2013-01-23 | 多孔質構造の製作方法 |
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US (4) | US9744728B2 (ja) |
EP (2) | EP4122626A1 (ja) |
JP (2) | JP6208148B2 (ja) |
CN (2) | CN104168854B (ja) |
AU (2) | AU2013212268B2 (ja) |
WO (1) | WO2013112586A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200003315A (ko) * | 2018-06-20 | 2020-01-09 | 한국생산기술연구원 | 단일 공정 적층성형 곡면 다공성 부품 제조방법 |
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EP3045992B1 (en) | 2015-01-14 | 2020-10-14 | Hexagon Technology Center GmbH | Compensating for errors occurring in a production process |
CN108475443B (zh) * | 2015-12-30 | 2023-07-28 | 皇家飞利浦有限公司 | 血管结构的合成表示 |
WO2017114700A1 (en) | 2015-12-30 | 2017-07-06 | Koninklijke Philips N.V. | Three dimensional model of a body part |
CN112166023A (zh) * | 2018-02-15 | 2021-01-01 | Ddm系统有限责任公司 | 铸造技术,铸件以及三维打印系统和方法 |
GB2594049A (en) * | 2020-04-06 | 2021-10-20 | Imp College Innovations Ltd | A method of defining a lattice structure for use in an additive manufacturing process and a lattice structure |
CN112191849B (zh) * | 2020-10-10 | 2023-03-28 | 重庆邮电大学 | 基于温度分布的梯度多孔散热装置设计及增材制造方法 |
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