JP6532947B2 - 金属構造物の積層造形 - Google Patents
金属構造物の積層造形 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/0006—Resistance welding; Severing by resistance heating the welding zone being shielded against the influence of the surrounding atmosphere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
- B23K11/25—Monitoring devices
- B23K11/252—Monitoring devices using digital means
- B23K11/257—Monitoring devices using digital means the measured parameter being an electrical current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/309—Wire electrodes
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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
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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
- B29C64/386—Data acquisition or data processing for additive manufacturing
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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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- 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
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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
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Powder Metallurgy (AREA)
- Electroplating Methods And Accessories (AREA)
- Plasma & Fusion (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Description
本出願は、その開示全体が参照により本明細書に組み込まれる、2014年12月12日に出願された米国仮特許出願第62/091,037号の利益および優先権を主張する。
2.基板130がZ軸内で金属ワイヤ120の先端に近い場所(Z0)に移動する。
3.ワイヤ120が基板130に接触するまでソース125から繰り出される。
4.電流が電極(すなわち、基板130およびワイヤ120)を通って流れ、ワイヤ120の先端を溶融し、基板130上に金属粒子を形成する。
5.ガントリ105がXY平面内の次の場所(X1、Y0)にワイヤ120を移動させる。
6.ワイヤ120が基板130に接触するように繰り出され、電流が通され、別の粒子が形成される。
7.ガントリ105がXY平面内でワイヤ120を移動させ、X1、Y1およびX0、Y1にさらに2つの粒子を形成する。
8.基板130が金属ワイヤ120から1単位離れて移動する(Z1)。
9.ガントリ105がワイヤ120を(X0、Y0)に移動させ、ワイヤ120はその下の粒子と接触するまでソース125から繰り出され、前に蒸着された粒子の上に新しい粒子が形成される。
10.ガントリ105が各々の残っているXYの場所に順番にワイヤ120を移動させ、前の層の上の各々に粒子を蒸着する。
Claims (21)
- 3次元(3D)物体の少なくとも一部を層ごとに製作するための装置であって、
層ごとに製作中に前記3D物体を支持するための導電性基体と、
前記導電性基体の上にワイヤを供給するためのワイヤ繰り出し機構と、
前記導電性基体と前記ワイヤ繰り出し機構の相対位置を制御するための1つまたは複数の機械式アクチュエータと、
前記ワイヤが前記導電性基体または前記導電性基体の上に以前に供給された前記ワイヤの材料の層に電気的に接続している間に前記ワイヤおよび前記導電性基体を通る前記ワイヤの一部を溶融させるのに十分な電流を供給するための電源と、
(i)前記導電性基体と前記ワイヤ繰り出し機構の前記相対位置を調整するために前記1つまたは複数の機械式アクチュエータを制御するためおよび(ii)前記ワイヤが前記導電性基体または前記導電性基体の上に以前に供給された前記ワイヤの材料の前記層に電気的に接続している間に前記ワイヤおよび前記導電性基体を通る電流を供給し、前記ワイヤの前記一部を溶融させるのに十分な熱を発生させることで、前記導電性基体に隣接する前記3D物体の少なくとも前記一部を層ごとに製作するための前記電源を利用するための回路と
を備える、装置。 - 前記回路が、前記1つまたは複数の機械式アクチュエータまたは前記電源のうちの少なくとも1つを制御するためのコンピュータベースのコントローラを備える、請求項1に記載の装置。
- 前記コンピュータベースのコントローラがコンピュータメモリおよび3Dレンダリングモジュールを備え、前記コンピュータメモリが3次元構造物のコンピュータ表現を記憶し、前記3Dレンダリングモジュールが前記コンピュータ表現から連続する層に対応するデータのセットを抽出し、前記コントローラが、前記データに従って連続する層を形成することを前記機械式アクチュエータおよび前記電源に行わせる、請求項2に記載の装置。
- 前記ワイヤ繰り出し機構内に金属ワイヤをさらに備える、請求項1に記載の装置。
- 前記コンピュータベースのコントローラが蒸着中の前記3D物体の少なくとも前記一部の多孔度を制御する、請求項2に記載の装置。
- 前記コンピュータベースのコントローラが前記ワイヤおよび前記導電性基体または前記導電性基体の上に以前に供給された前記ワイヤの材料の前記層の間の接触抵抗を調整する、請求項2に記載の装置。
- 前記回路が、前記接触抵抗に少なくとも部分的に基づいて、前記ワイヤが前記導電性基体または前記導電性基体の上に以前に供給された前記ワイヤの材料の前記層に電気的に接続している間に前記ワイヤを通る電流を供給し、前記ワイヤの前記一部を溶融させるのに十分な熱を発生させることで、前記導電性基体に隣接する前記3D物体の少なくとも前記一部を層ごとに製作するための前記電源の電力を制御する、請求項6に記載の装置。
- 前記コンピュータベースのコントローラが前記ワイヤおよび前記導電性基体を通る電流の流れにより十分なジュール加熱を生じるように前記ワイヤおよび前記導電性基体または前記導電性基体の上に以前に供給された前記ワイヤの材料の前記層の間の接触抵抗を調整する、請求項6に記載の装置。
- 前記コンピュータベースのコントローラが(ii)を1回以上繰り返すことによって前記導電性基体または前記導電性基体の上に以前に供給された前記ワイヤの前記層の上への前記ワイヤの追加部分の蒸着を指示する、請求項2に記載の装置。
- 前記コンピュータベースのコントローラが前記ワイヤ繰り出し機構を介して追加ワイヤを導き、前記追加ワイヤの少なくとも一部が前記導電性基体または前記導電性基体の上に以前に供給された前記ワイヤの材料の前記層の上に蒸着するように前記追加ワイヤを加熱する、請求項2に記載の装置。
- 前記コンピュータベースのコントローラが層ごとに製作中の前記ワイヤの引き戻しの速度を制御することによって前記3D物体の少なくとも前記一部のサイズを選択する、請求項2に記載の装置。
- 蒸着パラメータおよび/または前記ワイヤの前記一部の特性を測定するフィードバック制御ユニットをさらに備え、前記コンピュータベースのコントローラが前記蒸着パラメータおよび/または特性に従って前記3D物体の少なくとも前記一部の層ごとの製作を指示する、請求項2に記載の装置。
- 前記コンピュータベースのコントローラが前記3D物体の少なくとも前記一部の層ごとの製作の前に前記導電性基体上に形成され、前記導電性基体からの前記3D物体の少なくとも前記一部の取り外しを可能にする犠牲ラフト構造物の形成を指示し、前記犠牲ラフト構造物が(a)前記3D物体の少なくとも前記一部を前記導電性基体に固着し、かつ(b)前記3D物体の少なくとも前記一部の前記導電性基体からの取り外しを可能にする、請求項2に記載の装置。
- 前記3D物体の少なくとも前記一部の層ごとの製作に続いて、前記コンピュータベースのコントローラが(i)前記犠牲ラフト構造物の前記導電性基体からの取り外し、および(ii)前記犠牲ラフト構造物の前記3D物体の少なくとも前記一部からの分離を指示する、請求項13に記載の装置。
- 前記コンピュータベースのコントローラが前記3D物体の少なくとも前記一部の密度および多孔度よりも低くなるように前記犠牲ラフト構造物の密度および多孔度の少なくとも一つを選択する、請求項13に記載の装置。
- 前記コンピュータベースのコントローラが前記3D物体の少なくとも一つの層の厚さよりも厚くなるように前記犠牲ラフト構造物の厚さを選択する、請求項13に記載の装置。
- 前記ワイヤがステンレス鋼、銅およびアルミニウムからなる群から選択される1つ以上の成分を含む、請求項1に記載の装置。
- 前記ワイヤと電気的に接続する前記電源を用いて前記電流が前記ワイヤおよび前記導電性基体を通って流れる、請求項1に記載の装置。
- 前記電源が(i)前記ワイヤ繰り出し機構を介して前記ワイヤに、および(ii)前記導電性基体に電気的に接続する、請求項1に記載の装置。
- 使用中に、前記3D物体の少なくとも前記一部が前記ワイヤおよび前記導電性基体または前記導電性基体の上に以前に供給された前記ワイヤの材料の前記層の間の接触抵抗に少なくとも部分的に起因する熱に応じて形成される、請求項1に記載の装置。
- 前記回路は、前記ワイヤをジュール加熱するために前記電源を利用して前記導電性基体に隣接する前記3D物体の少なくとも前記一部を層ごとに製作する、請求項1に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462091037P | 2014-12-12 | 2014-12-12 | |
US62/091,037 | 2014-12-12 | ||
PCT/US2015/065003 WO2016094660A1 (en) | 2014-12-12 | 2015-12-10 | Additive manufacturing of metallic structures |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US11813690B2 (en) | 2014-12-12 | 2023-11-14 | Relativity Space, Inc. | Systems for printing three-dimensional objects |
US12090565B2 (en) | 2014-12-12 | 2024-09-17 | Relativity Space, Inc. | Systems for printing three-dimensional objects |
US11853033B1 (en) | 2019-07-26 | 2023-12-26 | Relativity Space, Inc. | Systems and methods for using wire printing process data to predict material properties and part quality |
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US11813690B2 (en) | 2023-11-14 |
JP2018507317A (ja) | 2018-03-15 |
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EP3229997A1 (en) | 2017-10-18 |
US20240351130A1 (en) | 2024-10-24 |
US20170282283A1 (en) | 2017-10-05 |
GB201711165D0 (en) | 2017-08-23 |
EP3229997A4 (en) | 2018-10-03 |
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