JP2019022978A - 3次元の物体を付加製造する装置 - Google Patents
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Abstract
Description
Claims (13)
- エネルギービーム(4)によって固化することができる造形材料層(3)を連続して層ごとに選択的に照射および固化することによって3次元の物体(2)を付加製造する装置(1)であって、
−造形材料層(3)が前記装置(1)の動作中にエネルギービーム(4)によって連続して層ごとに選択的に照射および固化される造形平面(7)を備えるプロセスチャンバ(8)と、
−前記装置(1)の動作中に前記プロセスチャンバ(8)を通って少なくとも部分的に流れるガス流を生成するように構成されたガス流生成デバイス(9)であって、前記ガス流が、前記プロセスチャンバ(8)を通って流れている間に、前記装置(1)の動作中に生成される固化されていない造形材料粒子(25)、煙または煙残留物で充填することが可能である、ガス流生成デバイス(9)と、
−前記装置(1)の動作中に前記プロセスチャンバ(8)を通って流れる前記ガス流の流動特性を特徴付けるのに適した少なくとも1つのパラメータを、前記プロセスチャンバ(8)内の少なくとも1つの画定された位置で光学的に判定するように構成された光学判定デバイス(12)とを備える装置(1)。 - 前記光学判定デバイスが、
前記プロセスチャンバ(8)内の前記ガス流に関係する少なくとも1つの測定値を光学的に測定するように構成された少なくとも1つの光学測定ユニット(13)と、
前記光学測定ユニット(13)によって測定された測定値を評価して、前記ガス流の前記流動特性を特徴付けるのに適した前記少なくとも1つのパラメータを判定するように構成された少なくとも1つの評価ユニット(14)とを備える、請求項1に記載の装置。 - 前記少なくとも1つの光学測定ユニット(13)が、前記プロセスチャンバ(8)内の異なる位置で測定値を測定するように構成される、請求項2に記載の装置。
- 前記光学測定ユニット(13)が、前記プロセスチャンバ内の異なる位置で複数の測定値を測定するように構成される、請求項3に記載の装置。
- 前記評価ユニット(14)が、前記複数の測定値を評価して、前記ガス流の前記流動特性を特徴付けるのに適した前記少なくとも1つのパラメータを、少なくとも1つの多次元表現・表示で判定するように構成される、請求項4に記載の装置。
- 前記光学判定デバイス(12)が、レーザドップラ風速測定および/または光切断法に基づいて、前記ガス流の前記流動特性を特徴付けるのに適した少なくとも1つのパラメータを光学的に判定するように構成される、請求項1〜5のいずれか一つに記載の装置。
- 前記光学判定デバイス(12)が、レーザドップラ風速測定に基づいて、前記ガス流の前記流動特性を特徴付けるのに適した少なくとも1つのパラメータを光学的に判定するように構成され、それにより、
前記プロセスチャンバ(8)内の前記ガス流に関係する少なくとも1つの測定値を光学的に測定するように構成された前記光学測定ユニット(13)または少なくとも1つの光学測定ユニット(13)が、前記プロセスチャンバ(8)内の事前に画定可能な座標の交差点(P1)で互いに交差する複数の測定ビーム(16a、16b)を生成するように構成された測定ビーム生成ユニット(15)と、前記プロセスチャンバ(8)内の前記測定ビーム(16a、16b)の前記交差点(P1)を検出するように構成された光学検出ユニット(17)とを備える、請求項6に記載の装置。 - 前記測定ビーム生成ユニット(15)が、前記プロセスチャンバ(8)内の事前に画定可能な座標の第1の交差点(P1)で互いに交差する第1の複数の測定ビーム(16a、16b)と、前記プロセスチャンバ(8)内の事前に画定可能な座標の第2の交差点で互いに交差する第2の複数の測定ビームとを生成するように構成され、前記光学検出ユニット(17)が、前記プロセスチャンバ(8)内の前記測定ビームの前記第1および第2の交差点を検出するように構成される、請求項7に記載の装置。
- 前記光学判定デバイス(12)が、光切断法に基づいて、前記ガス流の前記流動特性を特徴付けるのに適した少なくとも1つのパラメータを光学的に判定するように構成され、それにより、
前記光学測定ユニット(13)または少なくとも1つの光学測定ユニット(13)が、前記プロセスチャンバ(8)内の前記ガス流に関係する少なくとも1つの測定値を光学的に測定するように構成され、前記プロセスチャンバ(8)を通って特に前記造形平面(7)に対して平行に延びるパルス測定ビーム(16)を生成するように構成された測定ビーム生成ユニット(15)と、前記プロセスチャンバ(8)内の少なくとも1つの検出領域内で、前記測定ビーム(16)と前記ガス流、特に前記ガス流内の固化されていない造形材料粒子(25)との間の相互作用によって生成される散乱光を検出するように構成された光学検出ユニット(17)とを備える、請求項6〜8のいずれか一つに記載の装置。 - 前記装置(1)の動作中に前記プロセスチャンバ(8)を通って流れる前記ガス流の前記流動特性を特徴付けるのに適した前記少なくとも1つのパラメータが、前記ガス流の流速である、請求項1〜9のいずれか一つに記載の装置。
- 前記ガス流生成デバイス(9)が、前記ガス流の前記流動特性を特徴付けるのに適した前記少なくとも1つの判定されたパラメータに基づいて、前記ガス流の前記流動特性を制御するように構成される、請求項1〜10のいずれか一つに記載の装置。
- 前記ガス流の前記流動特性を特徴付けるのに適した前記少なくとも1つの判定されたパラメータ、特に前記ガス流の前記流動特性の少なくとも1つの多次元表現・表示を出力するように構成された出力インターフェース・ユニット(31)を備える、請求項1〜11のいずれか一つに記載の装置。
- エネルギービーム(4)によって固化することができる造形材料層(3)を連続して層ごとに選択的に照射および固化することによって3次元の物体(2)を付加製造する装置(1)向けの光学判定デバイス(12)であって、前記装置(1)の動作中に前記装置(1)のプロセスチャンバ(8)を通って流れるガス流の流動特性を特徴付けるのに適した少なくとも1つのパラメータを、前記プロセスチャンバ(8)内の少なくとも1つの画定された位置で光学的に判定するように構成された光学判定デバイス(12)。
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EP17182643.1A EP3431264B1 (en) | 2017-07-21 | 2017-07-21 | Apparatus for additevely manufacturing three-dimensional objects |
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JP2020176283A (ja) * | 2019-04-16 | 2020-10-29 | 株式会社日立製作所 | 付加製造装置、および、付加製造方法 |
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EP3386662A4 (en) | 2015-12-10 | 2019-11-13 | Velo3d Inc. | COMPETENT THREE-DIMENSIONAL PRINTING |
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US20180250771A1 (en) | 2017-03-02 | 2018-09-06 | Velo3D, Inc. | Three-dimensional printing of three-dimensional objects |
US20180281284A1 (en) | 2017-03-28 | 2018-10-04 | Velo3D, Inc. | Material manipulation in three-dimensional printing |
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JP6541206B1 (ja) * | 2019-03-01 | 2019-07-10 | 株式会社松浦機械製作所 | 三次元造形物の製造方法 |
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CN110238398B (zh) * | 2019-07-01 | 2022-01-04 | 广州大学 | 一种slm型金属3d打印机的透镜保护装置 |
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JP7254600B2 (ja) | 2019-04-16 | 2023-04-10 | 株式会社日立製作所 | 付加製造装置、および、付加製造方法 |
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JP2020097222A (ja) | 2020-06-25 |
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EP3683040A1 (en) | 2020-07-22 |
CN109278288A (zh) | 2019-01-29 |
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EP3431264A1 (en) | 2019-01-23 |
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