JP7010557B2 - 付加製造のための改良された方法 - Google Patents
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Description
Claims (22)
- 粉末床の箇所の継続的な溶融結合を通じて少なくとも1つの3次元物品を形成するための方法であって、それらの箇所は、前記3次元物品の継続的な部分に対応し、前記方法は、
前記3次元物品の少なくとも1つのモデルを提供するステップと、
支持構造をZ軸の周りに所定の速度で回転もさせながら前記支持構造をZ方向に所定の速度で移動させるステップと、
前記支持構造上に粉末層を塗布するステップと、
第1のエネルギービーム源からの第1のエネルギービームを前記粉末層の第1の選択された位置に、および第2のエネルギービーム源からの第2のエネルギービームを第2の選択された位置に導くステップであって、前記第1および第2のエネルギービーム源は、前記3次元物品のそれぞれの第1および第2の部分を形成するために前記モデルに従って前記粉末層を前記第1および第2の選択された位置において溶融結合させる、導くステップと、
を含み、
前記粉末層の前記第1の選択された位置は、前記粉末層の前記第2の選択された位置の溶融結合と同時に塗布され、
前記粉末層上の前記第1のエネルギービームの第1のカバーエリアは、前記粉末層上の前記第2のエネルギービームの第2のカバーエリアから所定の最小距離においてそれとは重ならずに配置され、
前記第1および第2のカバーエリアは、各々が前記支持構造のエリアよりもそれぞれ小さく、
完全な一周回転後に、前記第1のカバーエリアの軌跡は、ワークテーブルの外側のリングをカバーしていて、前記第2のカバーエリアの軌跡は、内側の円をカバーしていて、前記外側のリングおよび前記内側の円は、前記支持構造が完全に一周回転されたときに重なり合う領域において互いに重なり合う、互いに境を接する、または互いに対して分離している、のうちの少なくとも1つである、
方法。 - 前記第1および第2のビームのうちの少なくとも1つは、前記支持構造の回転軸に垂直なラインに沿って走査している、請求項1に記載の方法。
- 前記支持構造の前記回転軸は、前記Z軸に沿い、前記少なくとも1つのビームは、X-Y面内で溶融結合させている、請求項2に記載の方法。
- 前記支持構造は、水平プレートである、請求項2に記載の方法。
- 前記第1および第2のエネルギービームのうちの少なくとも1つは、前記支持構造の前記回転軸に対してオフアクシスに提供される、請求項4に記載の方法。
- 前記支持構造は、前記Z軸座標方向に所定の速度で連続的に移動している、請求項1に記載の方法。
- 前記回転軸に垂直な前記ラインは、直線または曲がりくねった線のうちの少なくとも1つである、請求項2に記載の方法。
- 前記モデルの回転軸は、前記支持構造上に造形される前記3次元物品の前記回転軸と一致する、請求項1に記載の方法。
- 前記粉末層は、前記3次元物品の形成中に前記支持構造上に連続的に設けられる、請求項1に記載の方法。
- 前記支持構造は、前記3次元物品の形成中に時計回りまたは反時計回りのうちの少なくとも1つで回転している、請求項1に記載の方法。
- エネルギービーム源は、レーザビーム源および/または電子ビーム源のうちの少なくとも1つである、請求項1に記載の方法。
- 前記粉末層の前記第2の選択された位置を溶融結合させるのと同時に前記粉末層の前記第1の選択された位置を設ける少なくとも前記ステップは、真空チャンバ中で生じる、請求項1に記載の方法。
- ビーム移動は、関連する制御ユニットを介して回転移動と連係される、請求項5に記載の方法。
- 前記第1および第2のエネルギービームは電子ビームであって、前記第1および第2の電子ビームをそれらのうちの1つがオフであるときに他の1つがオンであり、逆も同様であるように、互いに同期してオンおよびオフにスイッチするステップをさらに含む、請求項1に記載の方法。
- 前記第1および第2の軌跡は、前記支持構造の全エリアをカバーしている、請求項1に記載の方法。
- 前記粉末層は、前記第1および第2のカバーエリアによって完全にカバーされる、請求項1に記載の方法。
- 前記第1のカバーエリアの前記軌跡および前記第2のカバーエリアの前記軌跡は、前記支持構造が完全に一周回転されたときに少なくとも部分的に互いに重なり合う、請求項1に記載の方法。
- 前記粉末層は、前記第1および第2のカバーエリアによって完全にカバーされ、
前記第1のカバーエリアの前記軌跡および前記第2のカバーエリアの前記軌跡は、前記支持構造が完全に一周回転されたときに少なくとも部分的に互いに重なり合う、請求項1に記載の方法。 - コンピュータ上で実行されたときに、粉末床の箇所の継続的な溶融結合を通じて少なくとも1つの3次元物品を形成するための方法を実施するように構成され、配置されたプログラム要素であって、それらの箇所は、前記3次元物品の継続的な箇所に対応し、前記方法は、
前記3次元物品の少なくとも1つのモデルを提供するステップと、
支持構造をZ方向に所定の速度で移動させて前記支持構造をZ軸の周りに所定の速度で回転させるステップと、
前記支持構造上に粉末層を塗布するステップと、
第1のエネルギービーム源からの第1のエネルギービームを前記粉末層の第1の選択された位置に、および第2のエネルギービーム源からの第2のエネルギービームを第2の選択された位置に導くステップであって、前記第1および第2のエネルギービーム源は、電磁エネルギービーム源または荷電粒子ビーム源のうちの少なくとも1つであり、前記3次元物品の第1および第2の部分を形成するために前記モデルに従って前記粉末層を前記第1および第2の選択された位置において溶融結合させる、導くステップと、
を含み、
前記粉末層の前記第1の選択された位置は、前記粉末層の前記第2の選択された位置の溶融結合と同時に塗布され、
前記粉末層上の前記第1のエネルギービームの第1のカバーエリアは、前記粉末層上の前記第2のエネルギービームの第2のカバーエリアから所定の最小距離においてそれとは重ならずに配置され、
前記第1および第2のカバーエリアは、各々が前記支持構造のエリアよりもそれぞれ小さく、
完全な一周回転後に、前記第1のカバーエリアは、ワークテーブルの外側のリングをカバーしていて、前記第2のカバーエリアは、内側の円をカバーしていて、前記外側のリングおよび前記内側の円は、前記支持構造が完全に一周回転されたときに重なり合う領域において互いに重なり合う、互いに境を接する、または互いに対して分離している、のうちの少なくとも1つである、
プログラム要素。 - その上に記憶された請求項19に記載のプログラム要素を有する非一時的コンピュータ可読記憶媒体。
- その中に具体化されたコンピュータ可読プログラムコード部分を有する少なくとも1つの非一時的コンピュータ可読記憶媒体を含むコンピュータプログラム製品であって、前記コンピュータ可読プログラムコード部分は、
3次元物品の少なくとも1つのモデルの受信の際に、支持構造上に粉末層を塗布するように構成された実行可能な部分と、
支持構造をz方向に所定の速度で移動させて前記支持構造をz軸の周りに所定の速度で回転させるように構成された実行可能な部分と、
第1のエネルギービーム源からの第1のエネルギービームを前記粉末層の第1の選択された位置に、および第2のエネルギービーム源からの第2のエネルギービームを第2の選択された位置に導くように構成された実行可能な部分であって、前記第1および第2のエネルギービーム源は、電磁エネルギービーム源または荷電粒子ビーム源のうちの少なくとも1つであり、前記3次元物品の第1および第2の部分を形成するために前記モデルに従って前記粉末層を前記第1および第2の選択された位置において溶融結合させる、実行可能な部分と、
を含み、
前記実行可能な部分のうちの少なくとも1つは、
前記粉末層の前記第1の選択された位置が前記粉末層の前記第2の選択された位置の溶融結合と同時に塗布され、
前記粉末層上の前記第1のエネルギービームの第1のカバーエリアが前記粉末層上の前記第2のエネルギービームの第2のカバーエリアから所定の最小距離においてそれと重ならずに配置され、
前記第1および第2のカバーエリアは、各々が前記支持構造のエリアよりもそれぞれ小さく、
完全な一周回転後に、前記第1のカバーエリアの軌跡は、ワークテーブルの外側のリングをカバーしていて、前記第2のカバーエリアの軌跡は、内側の円をカバーしていて、前記外側のリングおよび前記内側の円は、前記支持構造が完全に一周回転されたときに重なり合う領域において互いに重なり合う、互いに境を接する、または互いに対して分離している、のうちの少なくとも1つであるようにさらに構成された、
コンピュータプログラム製品。 - 粉末床の箇所の継続的な溶融結合を通じて3次元物品を形成するための装置であって、それらの箇所は、前記3次元物品の継続的な断面に対応し、前記装置は、
その上に記憶された前記3次元物品のコンピュータモデルを有する制御ユニットと、
z方向に所定の速度で移動可能でz軸の周りに所定の速度で回転可能な支持構造と、
前記支持構造上に粉末層を塗布するための粉末層塗布器と、
前記3次元物品の第1および第2の部分を形成するために前記コンピュータモデルに従って前記粉末層をそれぞれ第1および第2の選択された位置において加熱するかまたは溶融結合させるうちの少なくとも1つのために配置された第1および第2のエネルギービーム源と、
を含み、
前記粉末層の前記第1の選択された位置は、前記粉末層の前記第2の選択された位置の溶融結合と同時に塗布され、
前記粉末層上の前記第1のエネルギービームの第1のカバーエリアは、前記粉末層上の前記第2のエネルギービームの第2のカバーエリアから所定の最小距離においてそれとは重ならずに配置され、
前記第1および第2のカバーエリアは、各々が前記支持構造のエリアよりもそれぞれ小さく、
完全な一周回転後に、前記第1のカバーエリアの軌跡は、ワークテーブルの外側のリングをカバーしていて、前記第2のカバーエリアの軌跡は、内側の円をカバーしていて、前記外側のリングおよび前記内側の円は、前記支持構造が完全に一周回転されたときに重なり合う領域において互いに重なり合う、互いに境を接する、または互いに対して分離している、のうちの少なくとも1つである、
装置。
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US20160167303A1 (en) | 2016-06-16 |
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EP3233336B1 (en) | 2018-09-05 |
US12036730B2 (en) | 2024-07-16 |
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