JP6804298B2 - 造形装置 - Google Patents
造形装置 Download PDFInfo
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- JP6804298B2 JP6804298B2 JP2016558516A JP2016558516A JP6804298B2 JP 6804298 B2 JP6804298 B2 JP 6804298B2 JP 2016558516 A JP2016558516 A JP 2016558516A JP 2016558516 A JP2016558516 A JP 2016558516A JP 6804298 B2 JP6804298 B2 JP 6804298B2
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Description
Fusion)とDED(Directed Energy Deposition)の2種類がよく知られている。
Claims (54)
- 三次元造形物を造形するDED方式の造形装置であって、
造形の目標部位が設定される対象面を移動可能な移動システムと、
前記移動システムにより移動可能な状態の前記対象面の位置情報を取得するための計測システムと、
ビームを射出する集光光学系を含むビーム照射部と、前記ビーム照射部からのビームで照射される粉末状の造形材料を供給する材料処理部と、を有するビーム造形システムと、
前記移動システムと前記ビーム造形システムとを制御する制御装置と、を備え、
前記移動システムの制御は、前記計測システムを使って取得された前記対象面の位置情報に基づいて行われる前記対象面の位置及び姿勢の制御を含み、
前記制御装置は、
前記目標部位に造形を施すに際し、造形対象の三次元造形物の3Dデータと、前記計測システムを使って取得された前記対象面の位置情報とに基づいて、前記移動システムと前記ビーム造形システムとを制御し、前記対象面上で前記ビーム照射部からのビームが移動するように前記対象面と前記ビーム照射部からのビームとを相対的に移動させつつ前記造形材料を前記材料処理部から前記目標部位に供給し、
前記目標部位を、前記集光光学系の射出面側の所定面における前記ビームの照射領域に位置合わせするために、取得された前記対象面の前記位置情報を用いる造形装置。 - 前記制御装置により、前記計測システムを使って取得された前記対象面の位置情報に基づいて行われる、前記ビーム造形システムの制御は、ビームの強度分布を設定又は変更するためのビーム照射部の制御、及びビームの強度分布の設定又は変更に応じて行われる前記材料処理部による前記造形材料の供給動作に関連する制御を含む請求項1に記載の造形装置。
- 前記計測システムは、三次元計測機を含む請求項1又は2に記載の造形装置。
- 前記計測システムは、前記対象面の少なくとも3点の位置情報を計測可能である請求項1〜3のいずれか一項に記載の造形装置。
- 前記計測システムは、前記対象面の三次元形状を計測可能である請求項1〜4のいずれか一項に記載の造形装置。
- 前記制御装置は、前記造形の後に、前記造形によって前記対象面上に付加された部分の表面の少なくとも一部の位置情報を、前記計測システムを用いて取得する請求項1〜5のいずれか一項に記載の造形装置。
- 前記移動システムは、ワークを保持可能な可動部材を有し、
前記対象面は、前記可動部材に保持された前記ワークの表面の少なくとも一部を含む請求項1〜6のいずれか一項に記載の造形装置。 - 前記可動部材上に、加工前の前記ワークをロードするとともに、加工終了後の前記ワークを前記可動部材からアンロードする搬送システムをさらに備え、
前記制御装置は、前記搬送システムを制御する請求項7に記載の造形装置。 - 前記可動部材に設けられた受光部で前記ビームを受光するセンサをさらに備える請求項7又は8に記載の造形装置。
- 前記制御装置は、基準座標系の下で前記可動部材の位置及び姿勢を制御し、
前記位置情報を取得することによって、前記対象面を前記基準座標系に対して関連付ける請求項7〜9のいずれか一項に記載の造形装置。 - 前記制御装置は、前記造形が施された前記ワークを前記可動部材で保持したまま、前記造形によって前記ワークの前記対象面上に付加された部分の表面の少なくとも一部の位置情報を、前記計測システムを用いて取得する請求項7〜10のいずれか一項に記載の造形装置。
- 前記制御装置は、前記計測システムを用いて取得された位置情報に基づいて、前記付加された部分の寸法誤差を求める請求項11に記載の造形装置。
- 前記制御装置は、前記寸法誤差を用いて付加加工の合否判定を行う請求項12に記載の造形装置。
- 前記制御装置は、前記合否判定の結果、不合格と判定されたワークについては、前記寸法誤差に基づいて、前記可動部材で保持したまま、前記ビーム造形システムを用いて修正加工を施す請求項13に記載の造形装置。
- 前記制御装置は、前記ビーム照射部からのビームを用いて前記修正加工を行う請求項14に記載の造形装置。
- 前記制御装置は、前記付加された部分の表面の少なくとも一部の位置情報に基づいて、前記ビーム造形システムと前記移動システムを制御して、前記付加部分の表面の少なくとも一部を含む対象面上の目標部位に造形を施す請求項6、11〜15のいずれか一項に記載の造形装置。
- 前記制御装置は、前記付加された部分の表面の少なくとも一部の位置情報に基づいて、前記計測システム、前記ビーム造形システム及び前記移動システムの少なくとも1つを調整する請求項6、11〜16のいずれか一項に記載の造形装置。
- 前記制御装置は、前記位置情報に基づいて、前記造形における装置のドリフトの傾向を求め、その求めた結果に応じて前記計測システム、前記ビーム造形システム及び前移動システムの少なくとも1つを調整する請求項17に記載の造形装置。
- 前記ビームを受光部で受光するセンサをさらに備える請求項1〜6のいずれか一項に記載の造形装置。
- 前記センサは、前記ビームの強度分布を計測可能である請求項9又は19に記載の造形装置。
- 前記制御装置は、前記センサの受光部を移動しつつ、前記ビームを前記受光部で受光する請求項9、19、20のいずれか一項に記載の造形装置。
- 前記センサの受光部は、前記集光光学系から射出されるビームを受光可能である請求項9、19〜21のいずれか一項に記載の造形装置。
- 前記受光部は、前記集光光学系の後側焦点面、又はその近傍で前記ビームを受光するように配置される請求項22に記載の造形装置。
- 前記受光部は、前記集光光学系の射出面側の光軸に平行な方向と前記光軸に垂直な方向の少なくとも一方に移動しながら、前記集光光学系からのビームを受光可能である請求項22又は23に記載の造形装置。
- 前記センサは、前記集光光学系の射出面側の光軸に垂直な第1面内における前記ビームの強度分布を計測可能である請求項22〜24のいずれか一項に記載の造形装置。
- 前記第1面は、前記集光光学系の後側焦点面、又はその近傍の面である請求項25に記載の造形装置。
- 前記制御装置は、前記センサを用いた計測の結果に基づいて、前記第1面における前記ビームの強度分布を調整する請求項25又は26に記載の造形装置。
- 前記制御装置は、前記センサを用いた計測の結果に基づいて、前記集光光学系の入射面側の光軸に垂直な第2面内に入射する少なくとも一つの入射ビームの角度を調整する請求項22〜27のいずれか一項に記載の造形装置。
- 前記第2面は、前記集光光学系の前側焦点面、又はその近傍の面を含む請求項28に記載の造形装置。
- 前記少なくとも一つの入射ビームは、前記第2面に対する入射角度が異なる複数のビームを含む請求項28又は29に記載の造形装置。
- 前記制御装置は、前記センサを使って行われた計測結果に基づいて、前記ビーム造形システムと前記移動システムとの少なくとも一方の調整を行う請求項9、19〜30のいずれか一項に記載の造形装置。
- 前記センサを使って行われた計測結果に基づく前記ビーム造形システムの調整は、前記材料処理部の調整を含む請求項31に記載の造形装置。
- 前記材料処理部の調整は、前記材料処理部による前記造形材料の供給動作を調整することを含む請求項32に記載の造形装置。
- 前記材料処理部は、前記造形材料を供給する少なくとも一つの供給口を有し、
前記センサを使って行われた計測結果に基づいて、前記少なくとも一つの供給口からの前記造形材料の供給状態が調整される請求項32又は33に記載の造形装置。 - 前記少なくとも一つの供給口は可動であり、
前記センサを使って行われた計測結果に基づいて、前記少なくとも一つの供給口が移動される請求項34に記載の造形装置。 - 前記材料処理部は、前記造形材料を供給する複数の供給口を有し、
前記センサを使って行われた計測結果に基づいて前記複数の供給口から少なくとも一つの供給口が選択され、
前記選択された少なくとも一つの供給口から前記造形材料が供給される請求項32〜35のいずれか一項に記載の造形装置。 - 前記少なくとも一つの供給口からの前記造形材料の単位時間あたりの供給量は調整可能である請求項34〜36のいずれか一項に記載の造形装置。
- 前記制御装置は、前記センサを使って行われた計測結果に基づいて、前記少なくとも一つの供給口からの前記供給量を決定する請求項37に記載の造形装置。
- 前記制御装置は、前記計測システムの計測結果に基づいて、前記集光光学系の射出面側の光軸に垂直な第1面内における前記ビームの強度分布を調整する請求項1〜38のいずれか一項に記載の造形装置。
- 前記第1面は、前記集光光学系の後側焦点面、又はその近傍の面である請求項39に記載の造形装置。
- 前記制御装置は、前記集光光学系の入射面側の光軸に垂直な第2面内に入射する少なくとも一つの入射ビームの角度を調整することによって、前記第1面内における前記ビームの強度分布を調整する請求項39又は40に記載の造形装置。
- 前記第2面は、前記集光光学系の前側焦点面、又はその近傍の面を含む請求項41に記載の造形装置。
- 前記少なくとも一つの入射ビームは、前記第2面に対する入射角度が異なる複数のビームを含む請求項41又は42に記載の造形装置。
- 前記計測システムの計測結果に基づく前記ビーム造形システムの調整は、前記ビーム照射部の調整を含む請求項1〜43のいずれか一項に記載の造形装置。
- 前記計測システムの計測結果に基づく前記ビーム造形システムの調整は、前記材料処理部の調整を含む請求項1〜44のいずれか一項に記載の造形装置。
- 前記材料処理部の調整は、前記材料処理部による前記造形材料の供給動作を調整することを含む請求項45に記載の造形装置。
- 前記材料処理部は、前記造形材料を供給する少なくとも一つの供給口を有し、
前記計測システムの計測結果に基づいて、前記少なくとも一つの供給口からの前記造形材料の供給状態が調整される請求項45又は46に記載の造形装置。 - 前記少なくとも一つの供給口は可動であり、
前記センサを使って行われた計測結果に基づいて、前記少なくとも一つの供給口の位置が調整される請求項47に記載の造形装置。 - 前記材料処理部は、前記造形材料を供給する複数の供給口を有し、
前記計測システムの計測結果に基づいて前記複数の供給口から少なくとも一つの供給口が選択され、前記選択された少なくとも一つの供給口から前記造形材料が供給される請求項47又は48に記載の造形装置。 - 前記少なくとも一つの供給口からの前記造形材料の単位時間あたりの供給量は調整可能である請求項47〜49のいずれか一項に記載の造形装置。
- 前記制御装置は、前記計測システムの計測結果に基づいて、前記少なくとも一つの供給口からの前記供給量を決定する請求項50に記載の造形装置。
- 前記ビーム照射部から射出されるビームで照射されるように前記造形材料を供給することにより、前記造形材料の溶融池を形成する請求項1〜51のいずれか一項に記載の造形装置。
- 前記目標部位上に前記溶融池を形成しながら、前記対象面と前記ビーム照射部からのビームとを相対的に移動することによって、前記目標部位に造形が施される請求項52に記載の造形装置。
- 前記三次元造形物は、複数の層が積層されて成り、
前記制御装置は、前記三次元造形物の3Dデータから得られる多層の積層断面のデータに基づいて、前記移動システムと前記ビーム造形システムとを制御する請求項1〜53のいずれか一項に記載の造形装置。
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TWI705887B (zh) | 2020-10-01 |
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TW201938354A (zh) | 2019-10-01 |
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CN111702173B (zh) | 2023-12-19 |
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US20170304947A1 (en) | 2017-10-26 |
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EP3219411A1 (en) | 2017-09-20 |
CN111702173A (zh) | 2020-09-25 |
US20240033853A1 (en) | 2024-02-01 |
JPWO2016075802A1 (ja) | 2017-08-24 |
CN106922135A (zh) | 2017-07-04 |
CN106922135B (zh) | 2020-07-14 |
EP3219411B1 (en) | 2020-08-19 |
CN117484865A (zh) | 2024-02-02 |
TW201630708A (zh) | 2016-09-01 |
TWI760620B (zh) | 2022-04-11 |
CN111687415A (zh) | 2020-09-22 |
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