JP7032543B2 - 粉末分注を用いた付加製造 - Google Patents
粉末分注を用いた付加製造 Download PDFInfo
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- JP7032543B2 JP7032543B2 JP2020536585A JP2020536585A JP7032543B2 JP 7032543 B2 JP7032543 B2 JP 7032543B2 JP 2020536585 A JP2020536585 A JP 2020536585A JP 2020536585 A JP2020536585 A JP 2020536585A JP 7032543 B2 JP7032543 B2 JP 7032543B2
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- powder
- dispenser
- binder material
- support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
- B28B7/46—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for humidifying or dehumidifying
- B28B7/465—Applying setting liquid to dry mixtures
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
- B22F10/14—Formation of a green body by jetting of binder onto a bed of metal powder
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- B22F10/40—Structures for supporting workpieces or articles during manufacture and removed afterwards
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- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F3/15—Hot isostatic pressing
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- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
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- B29C64/307—Handling of material to be used in additive manufacturing
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- B29C64/336—Feeding of two or more materials
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Description
幾つかの実装態様では、バインダ材料は、水溶性又は溶媒可溶性になるように配合され得る。幾つかの実装態様では、バインダ材料120aは、熱又はUV硬化性ポリマーであり得る。幾つかの実装態様では、バインダ材料120aは、無色又は特定の色のいずれかであり得る。
幾つかの実装態様では、マイクロディスペンサ106aのアレイは、プラットフォーム102の全幅を横切って延在する。支持体104は、マイクロディスペンサ106aが、プラットフォーム102全体を横切って粉末粒子116を選択的に分注し得るように、X軸に沿って走査する。
この結果、マイクロディスペンサ106aにプラットフォーム102の全長を横切って走査させるための、X軸に沿った支持体104とプラットフォーム102との間の相対運動のインクリメント数が削減され得る。
・ 幾つかの実装態様では、高密度化材料ディスペンサ108はオプションである。例えば、エネルギー送達システム112は、粉末及びバインダ材料のみの層を硬化させる。
・ 幾つかの実装態様では、エネルギー送達システム112はオプションである。例えば、バインダ材料120は、冷却することにより自己硬化させることができ、追加の放射ビーム122は必要ではない。
・ 幾つかの実装態様では、バインダ材料ディスペンサはオプションである。例えば、システムを使用して(未加工部品ではなく)最終部品を製造する場合、1又は複数のディスペンサ106によって粉末が送達され得る。エネルギー送達システムを使用して、プラットフォーム上の粉末を溶解させ得る。
・ エネルギー源は、バインダ材料ディスペンサと同じ支持体上ではなく、別個の支持体上にあってもよい。あるいは、エネルギー源は、プラットフォームに対して不動であり、層全体を同時に溶解させるように構成され得る。
Claims (10)
- 付加製造装置であって、
プラットフォームと、
前記プラットフォームの上に位置づけされた1又は複数の支持体と、
前記プラットフォーム及び前記1又は複数の支持体のうちの少なくとも1つに連結され、前記1又は複数の支持体が前記プラットフォームを横切って走査するように、それらの間に相対運動を生じさせるように構成されたアクチュエータと、
前記プラットフォームに支持された構築エリア上に複数の連続する粉末層を分注するように構成された第1のディスペンサシステムであって、前記1又は複数の支持体の第1の支持体に取り付けられてそれと共に移動し、第1の粉末を前記構築エリア上に選択的に分注するように構成された第1の粉末ディスペンサを含む、第1のディスペンサシステムと、
バインダ材料を前記構築エリア上に分注するように構成された第2のディスペンサシステムであって、第1のバインダ材料をボクセルごとに前記構築エリアの最上粉末層に選択的に分注して、粉末及びバインダ材料を有し且つ構築される部品の断面部分に対応するある体積の層を形成するように構成された第1のバインダ材料ディスペンサを含み、前記第1のバインダ材料は高密度化材料を含む、第2のディスペンサシステムと、
前記バインダ材料を固化させるために前記プラットフォームに向かって放射線を放出するように構成されたエネルギー源と
を備える装置。 - 前記第1の支持体は第1の軸に沿って移動可能であり、前記第1の粉末ディスペンサは、前記粉末を、前記第1の軸に対して非ゼロの角度をなす第2の軸に沿って帯状に選択的に分注するように構成される、請求項1に記載の装置。
- 前記第1の粉末ディスペンサは、前記粉末を、前記第2の軸に沿ってボクセルごとに選択的に分注するように構成される、請求項2に記載の装置。
- 前記第1の粉末ディスペンサは、領域がボクセルよりも大きい場合に、前記粉末を、前記第2の軸に沿って前記領域ごとに選択的に分注するように構成される、請求項2に記載の装置。
- 前記第1の粉末ディスペンサは、第1の複数の個別に制御可能なオリフィスを有し、前記第1の複数の個別に制御可能なオリフィスの各オリフィスは、前記第1の粉末を制御可能に送達するように構成される、請求項4に記載の装置。
- 前記第1のバインダ材料ディスペンサ及び前記エネルギー源は、前記1又は複数の支持体の第2の支持体に取り付けられてそれと共に移動し、前記第2の支持体は第3の軸に沿って移動可能であり、前記第1のバインダ材料ディスペンサは、前記バインダ材料を、前記第3の軸に対して非ゼロの角度をなす第4の軸に沿って帯状に選択的に分注するように構成される、請求項2に記載の装置。
- 前記第1のディスペンサシステムは複数の第1の粉末ディスペンサを含み、第1の粉末ディスペンサは各々、前記第1の支持体に取り付けられ、前記複数の第1の粉末ディスペンサは前記構築エリアの幅をカバーするように千鳥状のパターンで配置される、請求項1に記載の装置。
- 製造される物体の層において前記バインダ材料を固化させるパターンを識別するデータオブジェクトを記憶するように構成されたメモリを有するコントローラを備え、前記コントローラは、前記層に対して、
前記アクチュエータに、前記支持体と前記プラットフォームとの間に相対運動を生じさせ、
前記第1のディスペンサシステムに、前記支持体が前記プラットフォームを横切って走査するときに、構築される部品の断面部分を包含する領域に粉末層を分注させ、
前記第2のディスペンサシステムに、前記データオブジェクトに基づく前記パターンで粉末層上にバインダ材料層を分注させて、前記構築される部品の断面に対応する粉末とバインダ材料との結合層を提供させ、
前記パターンに従って前記結合層の前記バインダ材料を固化させるために前記エネルギー源を制御する
ように構成される、請求項1に記載の装置。 - 前記エネルギー源が、最上層に沿ってストライプを照射するように構成された光源を含む、請求項1に記載の装置。
- 前記プラットフォーム、前記1又は複数の支持体、前記第1のディスペンサシステム、前記第2のディスペンサシステム及び前記エネルギー源を封入するチャンバを形成する密閉されたハウジングを備える、請求項1に記載の装置。
Applications Claiming Priority (11)
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| US201762611289P | 2017-12-28 | 2017-12-28 | |
| US62/611,289 | 2017-12-28 | ||
| US15/926,997 US11090724B2 (en) | 2017-12-28 | 2018-03-20 | Additive manufacturing with powder dispensing |
| US15/926,997 | 2018-03-20 | ||
| US15/927,922 US10758978B2 (en) | 2017-12-28 | 2018-03-21 | Additive manufacturing with powder and densification material dispensing |
| US15/928,000 US20190201977A1 (en) | 2017-12-28 | 2018-03-21 | Additive manufacturing with powder dispensing to form green part |
| US15/927,957 US11007570B2 (en) | 2017-12-28 | 2018-03-21 | Additive manufacturing with dispensing of multiple powders |
| US15/927,922 | 2018-03-21 | ||
| US15/927,957 | 2018-03-21 | ||
| US15/928,000 | 2018-03-21 | ||
| PCT/US2018/067670 WO2019133708A1 (en) | 2017-12-28 | 2018-12-27 | Additive manufacturing with powder dispensing |
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| US20190201976A1 (en) | 2019-07-04 |
| US20190201977A1 (en) | 2019-07-04 |
| WO2019133708A1 (en) | 2019-07-04 |
| US20190201975A1 (en) | 2019-07-04 |
| US11090724B2 (en) | 2021-08-17 |
| US20190202127A1 (en) | 2019-07-04 |
| TW201930090A (zh) | 2019-08-01 |
| US11007570B2 (en) | 2021-05-18 |
| JP2021508620A (ja) | 2021-03-11 |
| KR20200094800A (ko) | 2020-08-07 |
| CN111699086A (zh) | 2020-09-22 |
| KR102317567B1 (ko) | 2021-10-27 |
| US10758978B2 (en) | 2020-09-01 |
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