JP7404232B2 - 付加製造方法及び装置 - Google Patents
付加製造方法及び装置 Download PDFInfo
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- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
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- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- B22F12/13—Auxiliary heating means to preheat the material
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Description
(付記1)
3次元物品の連続部分に対応する、支持構造上の粉末床の部分の連続融着によって少なくとも1つの前記3次元物品を形成する方法であって、
前記3次元物品の少なくとも1つのモデルを提供し、
前記支持構造を所定の距離だけ下げ、前記支持構造を所定の角度だけ第1方向に回転させた後、下降および回転した前記支持構造を覆う第1粉末層を適用し、
前記第1方向と反対の第2方向に前記所定の角度だけ前記少なくとも1つのモデルを回転した後、前記第1粉末層を融着するために選択された位置に前記少なくとも1つの第1エネルギービーム源からの少なくとも1つの第1エネルギービームを向け、
前記3次元物品の第1部分を形成するために静止している前記支持構造上に前記第1粉末層を融着するために、前記モデルにしたがって選択された位置に前記少なくとも1つの第1エネルギービーム源から前記少なくとも1つの第1エネルギービームを向け、
前記3次元物品が完成するまで、少なくとも下降及び回転を繰り返す、
方法。
(付記2)
前記支持構造が回転される前記所定の角度は、層毎に等しいか、または等しくない、付記1の方法。
(付記3)
前記支持構造は、前記支持構造を単独で回転させることによって、または前記支持構造が配置されるビルドタンクを回転させることによって、回転される、付記1または付記2の方法。
(付記4)
前記所定の角度が30°未満である、付記1~付記3の何れかの方法。
(付記5)
前記粉末層は、粉末分配器によって提供され、前記粉末分配器は、前記支持構造の上で前記粉末分配器の前に、適用される所定量の粉末を押し出す、付記1~付記4の何れかの方法。
(付記6)
前記支持構造の前記回転の軸はZ軸に沿っており、前記少なくとも1つのビームは、X-Y平面内で融着させる、付記1~付記5の何れかの方法。
(付記7)
前記支持構造が水平プレートである、付記1~付記6の何れかの方法。
(付記8)
前記少なくとも1つのエネルギービームは、少なくとも1つのレーザビームおよび/または少なくとも1つの電子ビームである、付記1~付記7の何れかの方法。
(付記9)
前記支持構造が、所定の数の粉末層について、回転する前記第1方向は時計回りであり、所定の数の粉末層については反時計回りである、付記1~付記8の何れかの方法。
(付記10)
前記粉末層を溶着する前に前記粉末層を予熱する工程をさらに含む、付記1~付記9の何れかの方法。
(付記11)
前記予熱は、前記粉末層を溶着するためにも使用される少なくとも1つのエネルギービーム源を使用することによって行われる、付記10の方法。
(付記12)
前記予熱は、前記粉末層を溶着するために使用されないエネルギー源を使用することによって行われる、付記10の方法。
(付記13)
前記予熱は、新しい粉末層の適用中および/または適用後に行われる、付記10の方法。
(付記14)
コンピュータ読み取り可能プログラムコード部分を具現化した、少なくとも1つの非一時的コンピュータ読み取り可能記憶媒体を含む、コンピュータプログラム製品であって、
前記コンピュータ読み取り可能プログラムコード部分は、
3次元物品の少なくとも1つのモデルを受け取ると、支持構造を所定の距離だけ下げ、前記支持構造を所定の角度だけ第1方向に回転させた後、下降および回転した前記支持構造を覆う第1粉末層を適用し、
前記第1方向と反対の第2方向に前記所定の角度だけ前記少なくとも1つのモデルを回転した後、前記第1粉末層を融着するために選択された位置に前記少なくとも1つの第1エネルギービーム源からの少なくとも1つの第1エネルギービームを向け、
前記3次元物品の第1部分を形成するために静止している前記支持構造上に前記第1粉末層を融着するために、前記モデルにしたがって選択された位置に前記少なくとも1つの第1エネルギービーム源から前記少なくとも1つの第1エネルギービームを向け、
前記3次元物品が完成するまで、下降し、回転し、向けることを繰り返す、
ように構成された1つ以上の実行可能部分を含む、コンピュータプログラム製品。
(付記15)
3次元物品の連続的な断面に対応する粉末床の部分の連続的な融着によって前記3次元物品を形成するための装置であって、
選択的に回転可能な支持構造と、
少なくとも1つの第1エネルギービームと、
前記3次元物品のコンピュータモデルが記憶された少なくとも1つの制御ユニットと、
を含み、
前記制御ユニットは、
前記支持構造をz方向に所定の距離だけ移動させ、前記支持構造を第1方向に所定角度だけ回転させてから、下げられ回転された支持構造を覆う第1粉末層を適用し、
少なくとも1つの第1エネルギービーム源からの少なくとも1つの第1エネルギービームを前記第1粉末層を融着させるための選択された位置に向ける前に、前記コンピュータモデルを前記第1方向と反対の第2方向に前記所定角度だけ回転させ、
前記3次元物品の第1部分を形成するために、静止している支持構造上に、前記第1粉末層を融着させるためのモデルに従って選択された位置に、前記少なくとも1つの第1エネルギービーム源からの前記少なくとも1つの第1エネルギービームを向け、
前記3次元物品が完成するまで、移動させ、回転させ、向けることを繰り返す、
装置。
(付記16)
前記粉末層は、粉末分配器によって提供され、前記粉末分配器は、前記支持構造の上で前記粉末分配器の前に、適用される所定量の粉末を押し出す、付記15の装置。
(付記17)
前記支持構造が水平プレートである、付記15または付記16の装置。
(付記18)
前記少なくとも1つのエネルギービームは、少なくとも1つのレーザビームおよび/または少なくとも1つの電子ビームである、付記15~付記17の何れかの装置。
(付記19)
前記粉末層を溶着する前に前記粉末層を予熱することをさらに含む、付記15~付記18の何れかの装置。
(付記20)
前記予熱は、前記粉末層を溶着するためにも使用される少なくとも1つのエネルギービーム源を使用することによって行われる、付記19の装置。
Claims (10)
- 3次元物品の連続部分に対応する、支持構造上の粉末床の部分の連続融着によって少なくとも1つの前記3次元物品を形成する方法であって、
前記3次元物品の少なくとも1つのモデルを提供し、
前記支持構造を所定の距離だけ下げ、前記支持構造を所定の角度だけ第1方向に回転させた後、下降および回転した前記支持構造を覆う第1粉末層を適用し、
前記所定の角度は時計回りまたは半時計回りに90°未満であり、
前記第1方向と反対の第2方向に前記所定の角度だけ前記支持構造を回転した後、前記3次元物品の第1部分を形成するために静止している前記支持構造上に前記第1粉末層を融着するために、前記モデルにしたがって選択された位置に少なくとも1つの第1エネルギービーム源から少なくとも1つの第1エネルギービームを向け、
前記3次元物品が完成するまで、少なくとも下降、回転及び向けることを繰り返し、
前記所定の角度を層毎に変化させる、
方法。 - 前記支持構造は、前記支持構造を単独で回転させることによって、または前記支持構造が配置されるビルドタンクを回転させることによって、回転される、請求項1に記載の方法。
- 前記所定の角度が30°未満である、請求項1または請求項2に記載の方法。
- 前記支持構造の前記回転の軸はZ軸に沿っており、前記少なくとも1つのビームは、X-Y平面内で融着させる、請求項1~請求項3の何れか1項に記載の方法。
- 前記少なくとも1つのエネルギービームは、少なくとも1つのレーザビームおよび/または少なくとも1つの電子ビームである、請求項1~請求項4の何れか1項に記載の方法。
- 前記支持構造が、一部の粉末層について、回転する前記第1方向は時計回りであり、その他の粉末層については反時計回りである、請求項1~請求項5の何れか1項に記載の方法。
- 粉末層を溶着する前に前記粉末層を予熱する工程をさらに含む、請求項1~請求項6の何れか1項に記載の方法。
- コンピュータ読み取り可能プログラムコード部分を具現化した、少なくとも1つの非一時的コンピュータ読み取り可能記憶媒体を含む、コンピュータプログラム製品であって、
前記コンピュータ読み取り可能プログラムコード部分は、請求項1~請求項7の何れか1項に記載の方法を実行するように構成された1つ以上の実行可能部分を含む、コンピュータプログラム製品。 - 3次元物品の連続的な断面に対応する粉末床の部分の連続的な融着によって前記3次元物品を形成するための装置であって、
選択的に回転可能な支持構造と、
少なくとも1つの第1エネルギービーム源と、
前記3次元物品のコンピュータモデルが記憶された少なくとも1つの制御ユニットと、
を含み、
前記制御ユニットは、
前記支持構造をz方向に所定の距離だけ移動させ、前記支持構造を第1方向に所定の角度だけ回転させてから、下げられ回転された支持構造を覆う第1粉末層を適用し、前記所定の角度は時計回りまたは半時計回りに90°未満であり、
前記少なくとも1つの第1エネルギービーム源からの少なくとも1つの第1エネルギービームを前記第1粉末層を融着させるための選択された位置に向ける前に、前記支持構造を前記第1方向と反対の第2方向に前記所定の角度だけ回転させ、
前記3次元物品の第1部分を形成するために、静止している支持構造上に、前記第1粉末層を融着させるためのモデルに従って選択された位置に、前記少なくとも1つの第1エネルギービーム源からの前記少なくとも1つの第1エネルギービームを向け、
前記3次元物品が完成するまで、移動させ、回転させ、向けることを繰り返し、
前記所定の角度を層毎に変化させる、
装置。 - 粉末層は、粉末分配器によって提供され、前記粉末分配器は、前記支持構造の上で前記粉末分配器の前に、適用される所定量の粉末を押し出す、請求項9に記載の装置。
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| US20190099809A1 (en) | 2019-04-04 |
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