JP2018508650A - 加法式の製造方法、オブジェクトデータの処理方法、データキャリア、オブジェクトデータプロセッサ、及びこれにより製造された物体 - Google Patents
加法式の製造方法、オブジェクトデータの処理方法、データキャリア、オブジェクトデータプロセッサ、及びこれにより製造された物体 Download PDFInfo
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Abstract
Description
manufacturing method)に関し、特に、金属粉末等の粒状材料を、構築領域内に層状に堆積させ、各層の部分を堆積中又は堆積後に互いに結合させて物体の部分を形成し、それにより構築領域内に一連の層から物体を形成する加法式の製造方法に関する。物体の各層の結合部分は、典型的には、前の層の結合部分にも結合され、それにより、物体は、連続的に堆積された層によって連続的に形成される。結合は、典型的にはバインダーの選択的な堆積によって行われる。本開示は、そのような方法において使用するためのオブジェクトデータを処理する方法、及びオブジェクトデータを処理する方法を実行するためのデータキャリア及びオブジェクトデータプロセッサにも関する。また、本開示は、製造方法を実施する装置、及びその製造方法によって製造された物体にも関する。
図1は、本開示の概念を実施に移すことができる製造装置を示す。図1の装置10は、上面11aを含むテーブル11を有する。ここで、上面11aは平面である。テーブル11の表面11aには、凹状ウェル12が設けられており、そのウェルの側面は、テーブルの表面11aから垂直方向に延びる側壁11bによって規定される。支持プレート13が、ウェル12内に配置され、ウェルの表面に一致するテーブルの平面(XY平面)内にある所定範囲を有する。支持プレート13は、平坦な上面13aも含み、ウェルの深さがテーブル11の表面11aに対して垂直な方向(Z方向)となるようにウェル12内で移動可能に構成され、それによってテーブル11の表面11aと支持プレート13の表面13aとの間で、ウェルの深さが可変となる。例えば、支持プレート13は、装置の制御ユニット(図示せず)からの命令に従って支持プレート13を昇降させるピストン14によって移動可能にしてもよい。
Claims (19)
- 物体を製造するための加法式の製造方法であって、当該製造方法は、
構造材料の連続層を堆積させるステップと、
各層の第1の領域を選択的に結合して、前記物体の外面を規定する構造材料の結合シェルを形成するステップと、
各層の第2の領域を選択的に結合して、シェルに接触し、外力に対して前記シェルを支持するように機能する支持部分を形成するステップと、を含む、
加法式の製造方法。 - 第1の領域と第2の領域との間に延びる各層の領域は、実質的に未結合のままである、請求項1に記載の加法式の製造方法。
- 前記シェルは、連続しており、前記物体の外面を実質的に又は完全に規定する、請求項1又は2に記載の加法式の製造方法。
- 第1の領域は、局所的焼結、局所的溶融、液体バインダーの堆積、又は局所的光重合から選択される方法によって結合される、請求項1乃至3のいずれか一項に記載の加法式の製造方法。
- 第2の領域は、局所的焼結、局所的溶融、液体バインダーの堆積、又は局所的光重合から選択される方法によって結合される、請求項1乃至4のいずれか一項に記載の加法式の製造方法。
- 第1の領域及び第2の領域は、共通の結合法により結合される、請求項4又は5に記載の加法式の製造方法。
- 第1の領域及び第2の領域は、それぞれ異なる結合方法で結合される、請求項4又は5に記載の加法式の製造方法。
- 第1の領域及び第2の領域は、第1の領域が第2の領域よりも相対的に強く結合するように結合される、請求項1乃至7のいずれか一項に記載の加法式の製造方法。
- 第1の領域は、第2の領域よりも単位層面積当たりより体積が大きい液体バインダーで結合される、請求項1乃至8のいずれか一項に記載の加法式の製造方法。
- 前記支持部分は、前記シェルを横切って該シェル内に延びる柱の形態の結合材料を有する、請求項1乃至9のいずれか一項に記載の加法式の製造方法。
- 前記支持部分は、前記シェルを横切って該シェル内に延びる3次元メッシュの形態の結合材料を有する、請求項1乃至10のいずれか一項に記載の加法式の製造方法。
- 前記メッシュは、規則的な繰り返し単位構造を含む、請求項11に記載の加法式の製造方法。
- 前記メッシュは、不規則な構造を含む、請求項11に記載の加法式の製造方法。
- 前記シェル及び囲まれた構造材料を、前記シェルの外側に残る前記構造材料から分離するステップと、
前記シェル及び前記囲まれた構造材料を、前記シェル及び前記囲まれた構造材料が一緒に焼結される第1の温度まで昇温させて、前記物体を形成するステップと、さらに含む、請求項1乃至13のいずれか一項に記載の加法式の製造方法。 - 前記シェル及び前記囲まれた構造材料が、前記シェルの外側に残る前記構造材料から分離された後であって、前記シェル及び前記囲まれた構造材料が、第1の温度まで昇温される前に、第1の温度よりも低い第2の温度で行われる脱脂プロセスにおいて前記構造材料の結合領域を脱脂するステップを含む、請求項14に記載の加法式の製造方法。
- オブジェクトデータを処理する方法であって、当該方法は、
製造される物体を表すオブジェクトデータを取得するステップと、
前記製造される物体の表面部分を特定するステップと、
該特定された表面部分に基づいてシェルデータを生成するステップであって、該シェルデータは、前記特定された表面部分から内向きに延びる、前記製造される物体のシェル部分を表す、生成するステップと、
前記特定された表面部分に基づいて支持部分データを生成するステップであって、該支持部分データは、シェルに接触し、外力に対して前記シェルを内部で支持するように機能する支持部分を表す、生成するステップと、
前記支持部分データと前記シェルデータとを組み合わせて、前記シェル及び該シェル内に配置された前記支持部分を表す結合データを取得するステップと、
結合データを出力するステップと、を含む、
方法。 - 実行されたときに、データプロセッサに請求項16に記載の方法を実行させるように構成されたプログラム命令を伝送するデータキャリア。
- オブジェクトデータプロセッサであって、当該プロセッサは、
製造される物体を表すオブジェクトデータを取得するように動作可能なオブジェクトデータ取得ユニットと、
前記製造される物体の表面部分を特定するように動作可能な表面部分特定ユニットと、
前記特定された表面部分に基づいてシェルデータを生成するように動作可能なシェルデータ生成ユニットであって、前記シェルデータは、前記特定された表面部分から内向きに延びる、製造される物体のシェル部分を表す、シェルデータ生成ユニットと、
前記特定された面データに基づいて支持部分データを生成するように動作可能な支持部分データ生成ユニットであって、前記支持部分データは、シェルに接触し、外力に対して前記シェルを内部で支持するように機能する支持部分を表す、支持部分データ生成ユニットと、
前記支持部分データと前記シェルデータとを組み合わせて、前記シェルと、該シェル内に配置された前記支持部分とを表す結合データを取得するように動作可能な結合ユニットと、
結合された前記シェルデータを出力する結合データ出力ユニットと、を有する、
オブジェクトデータプロセッサ。 - 請求項1乃至15のいずれか一項に記載の方法に従って製造された物体。
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