JP2020505509A - 移動式走査エリアを使用する付加製造 - Google Patents
移動式走査エリアを使用する付加製造 Download PDFInfo
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Abstract
Description
本開示は、概して、より大規模なフォーマットにおいて、例えば直接溶融レーザ製造(「DMLM」)によって、付加製造(「AM」)プロセスを行うのに適合した方法及びシステムに関する。
本開示は、概して、より大規模なフォーマットにおいて、例えば直接溶融レーザ製造(「DMLM」)によって、付加製造(「AM」)プロセスを行うのに適合した方法及びシステムに関する。
(a)粉末分配器から加工物表面上へ粉末を堆積させることであって、前記粉末分配器が、粉末貯蔵エリアと、少なくとも第1ゲート及び第2ゲートとを含み、前記第1ゲートが、前記第1ゲートを開閉することを可能にする第1作動器によって操作され、前記第2ゲートが、前記第2ゲートを開閉することを可能にする第2作動器によって操作され、各ゲートが、前記粉末貯蔵エリアから前記加工物表面上への粉末の分配を制御する、ことと、
(b)粉末の第1層の少なくとも一部に照射して第1融合層を形成することと、
(c)少なくとも工程(a)〜(b)を繰り返して前記物体を形成することと、
を含む方法。
Claims (20)
- 粉末分配器を含む付加製造装置であって、前記粉末分配器が、粉末貯蔵エリアと、少なくとも第1ゲート及び第2ゲートとを含み、前記第1ゲートが、前記第1ゲートを開閉することを可能にする第1作動器によって操作可能であり、前記第2ゲートが、前記第2ゲートを開閉することを可能にする第2作動器によって作動可能であり、各ゲートが、前記粉末貯蔵エリアから加工物表面上への粉末の分配を制御するように適合させたものである、付加製造装置。
- さらに構築ユニットを含む請求項1に記載の装置であって、前記構築ユニットが、前記粉末分配器と、加工物表面にわたって粉末の層を提供するための再塗工機羽根とを含む、装置。
- 前記構築ユニットが、さらに、照射放出方向づけデバイスを含む、請求項2に記載の装置。
- 前記照射放出方向づけデバイスが、e−ビームを方向づけるように適合させたものである、請求項3に記載の装置。
- 前記照射放出方向づけデバイスが、レーザビームを方向づけるように適合させたものである、請求項3に記載の装置。
- 前記構築ユニットが、さらに、粉末の層にわたってガスの実質的に層状の流れを提供するように適合させたガス流デバイスを含む、請求項2に記載の装置。
- 各作動器が電気的又は空気圧式である、請求項1に記載の装置。
- 前記粉末分配器及び各ゲートがコバルト−クロムから作製される、請求項1に記載の装置。
- 前記粉末分配器が、少なくとも10のゲートを含む、請求項1に記載の装置。
- 前記粉末分配器が、少なくとも20のゲートを含む、請求項1に記載の装置。
- 前記照射放出方向づけデバイスが、光ファイバケーブルからのレーザ照射を方向づける、請求項5に記載の装置。
- 粉末から物体を作製する方法であって、
(a)粉末分配器から加工物表面上へ粉末を堆積させることであって、前記粉末分配器が、粉末貯蔵エリアと、少なくとも第1ゲート及び第2ゲートとを含み、前記第1ゲートが、前記第1ゲートを開閉することを可能にする第1作動器によって操作され、前記第2ゲートが、前記第2ゲートを開閉することを可能にする第2作動器によって操作され、各ゲートが、前記粉末貯蔵エリアから前記加工物表面上への粉末の分配を制御する、ことと、
(b)粉末の第1層の少なくとも一部に照射して第1融合層を形成することと、
(c)少なくとも工程(a)〜(b)を繰り返して前記物体を形成することと、
を含む方法。 - さらに、粉末を前記加工物表面上へ選択的に堆積させるために前記第2ゲートを閉じたままにすると共に前記第1ゲートを開く工程を含む、請求項12に記載の方法。
- さらに、粉末の前記第1層の少なくとも一部に照射して構築エンベロープの部分を形成することと、前記第2ゲートを閉めて前記構築エンベロープの外側に粉末を堆積させることを回避すると共に前記第1ゲートを開いて前記構築エンベロープの中で粉末を堆積させることと、を含む請求項12に記載の方法。
- 前記粉末がコバルト−クロムであり、且つ、前記粉末に接触する、前記粉末分配器及びゲートの各表面がコバルト−クロムから作製される、請求項12に記載の方法。
- 各ゲートが、作動器の力に対抗する前記粉末分配器に装着されたばねに取り付けられる、請求項12に記載の方法。
- 各作動器が電気的又は空気圧式である、請求項12に記載の方法。
- 前記粉末分配器及び各ゲートが、コバルト−クロムから作製される、請求項12に記載の方法。
- 前記粉末分配器が、少なくとも10のゲートを含む、請求項12に記載の方法。
- 前記粉末分配器が、少なくとも20のゲートを含む、請求項12に記載の方法。
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EP3568248A1 (en) | 2019-11-20 |
US10981232B2 (en) | 2021-04-20 |
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US10478893B1 (en) | 2019-11-19 |
EP3568248A4 (en) | 2020-08-12 |
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