JP2020514541A - 電子ビーム設備及び粉末状物質を加工する方法 - Google Patents
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Abstract
Description
a)加工すべき粉末状物質からなる粉末床を収容することができる粉末容器と、
b)粉末床の横方向に異なる場所へ電子ビームを方向付けるように構成された電子ビーム発生器と、を有している。
a)−加工すべき粉末状物質からなる粉末床を収容することができる粉末容器と、
−電子ビームを粉末床の横方向の様々な場所へ方向付けされるように構成された電子ビーム発生器と、を有する電子ビーム設備を準備するステップと、
b)少なくとも粉末床の上の領域で電磁的な交番場を発生させるために、フリット装置によって少なくとも2つの電極の間に交流電圧を印加し、その交番場が粉末床の粉末状物質を結合するステップと、
c)電子ビームによって粉末状物質を加工するステップ、を有している。
Claims (10)
- 粉末状物質を加工するために使用される電子ビーム設備(10)であって、
a)加工すべき粉末状物質からなる粉末床(22)を収容することができる粉末容器(18、19、20)と、
b)粉末床(22)の横方向の様々な場所へ電子ビーム(16)を方向付けするように構成されている電子ビーム発生器(14)と、
を有する電子ビーム設備において、
c)前記電子ビーム設備(14)がフリット装置(34、35)を有し、該フリット装置が少なくとも2つの電極(19、30、31)の間に交流電圧を印加することによって、少なくとも粉末床(22)の領域で、該粉末床(22)の前記粉末状物質を結合する電磁的な交番場を発生させることを特徴とする電子ビーム設備。 - 前記フリット装置(34、35)の交流電圧の出力及び/又は周波数と前記電子ビーム(16)の出力は、結合された前記粉末状物質が、前記電子ビーム(16)によって続けて加工される場合、特に電子ビーム(16)によって続けて融合される場合に、吹き飛ばされないように選択され、前記粉末状物質は、該粉末状物質が特にインパクトによって再び分離されることができるように、前記電子ビーム(16)による加工が行われない箇所において、前記フリット装置(34、35)によって単に結合される、ことを特徴とする請求項1に記載の電子ビーム設備。
- 前記フリット装置(34、35)の少なくとも1つの電極(19、31)は、前記電子ビーム設備(10)の内部の固定の位置に配置されていることを特徴とする請求項1又は2に記載の電子ビーム設備。
- 少なくとも2つの電極(30、31)は、前記粉末床(22)の一番上の粉末層(28)に対して平行な平面、特に同一の平面内に水平に配置されていることを特徴とする請求項1〜3の何れか一項に記載の電子ビーム設備。
- 前記フリット装置(34、35)の少なくとも2つの電極(30、31)は、横方向の領域に対して対称に配置され、該横方向の領域内で前記電子ビーム(16)は前記粉末床(22)上へ方向付け可能であることを特徴とする請求項1〜4の何れか一項に記載の電子ビーム設備。
- 前記フリット装置(34、35)の少なくとも1つの電極(30)は、前記粉末床(22)の上方で少なくとも1つの軸線に沿って移動するように構成されていることを特徴とする請求項1〜5の何れか一項に記載の電子ビーム設備。
- 前記粉末容器(18、19、20)は粉末床テーブル底(19)を有し、該粉末床テーブル底が電気的に導通可能であり、かつ同時に前記フリット装置(34、35)の1つの電極を形成していることを特徴とする請求項1〜6の何れか一項に記載の電子ビーム設備。
- 前記フリット装置(34、35)の少なくとも1つの電極は、パルス方式で作動する前記電子ビーム発生器(14)による前記電子ビーム(16)及び/又は高い偏向速度で偏向される電子ビームによって形成されることを特徴とする請求項1〜7の何れか一項に記載の電子ビーム設備。
- 電子ビーム設備(10)によって粉末状物質を加工する方法であって、以下のステップ、すなわち、
a)−加工すべき前記粉末状物質からなる粉末床(22)を収容することができる粉末容器(18、19、20)と、
−電子ビーム(16)を前記粉末床(22)の横方向の様々な場所へ方向付けるように構成された電子ビーム発生器(14)と、
を有する電子ビーム設備(10)を準備するステップと、
b)少なくとも前記粉末床(22)の上の領域的で、前記粉末床(22)の前記粉末状物質を結合する電磁的な交番場を発生させるために、フリット装置(34、35)によって少なくとも2つの電極(19、30、31)の間に交流電圧を印加するステップと、
c)前記電子ビーム(16)によって前記粉末状物質を加工するステップと、
を有する方法。 - 粉末状物質が金属の粉末であり、
ステップc)における前記加工は、3D構造(80)が選択的な融合によって次第に形成されるように、前記粉末状物質の粒子(42)相互を融合することであることを特徴とする請求項9に記載の方法。
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DE102017105193.7A DE102017105193A1 (de) | 2017-03-10 | 2017-03-10 | Elektronenstrahlanlage sowie Verfahren zum Bearbeiten von pulverförmigem Werkstoff |
DE102017105193.7 | 2017-03-10 | ||
PCT/EP2018/054608 WO2018162261A1 (de) | 2017-03-10 | 2018-02-26 | Elektronenstrahlanlage sowie verfahren zum bearbeiten von pulverförmigem werkstoff |
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DE102020104381A1 (de) * | 2020-02-19 | 2021-08-19 | Pro-Beam Gmbh & Co. Kgaa | Elektronenstrahlanlage und Verfahren zur additiven Herstellung eines Werkstücks |
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JPH11342542A (ja) * | 1998-03-27 | 1999-12-14 | Eos Gmbh Electro Optical Syst | 3次元物体製造装置及び3次元物体製造方法並びに粉末材料層を所定の面に供給する供給装置及び供給方法 |
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CN205464328U (zh) * | 2016-03-23 | 2016-08-17 | 北京科技大学 | 一种电烧结金属材料3d打印装置 |
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