JP6983792B2 - In−situ注入を適用する中実造形方法及び装置 - Google Patents
In−situ注入を適用する中実造形方法及び装置 Download PDFInfo
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Description
本主題の主な特徴は次のとおりである。
[1]
粉末複合製造機であって:
造形プラットフォームと;
該造形プラットフォームに粉末材料を配送するための粉末移送装置と;
前記造形プラットフォームに接続され,前記粉末材料中に光硬化性樹脂を注入するように構成された樹脂供給システムと;
前記造形プラットフォームの上方に配置され,前記光硬化性材料を選択的に照射して粉末複合部品の層を少なくとも部分的に固化させるように構成されたイメージング装置と;を備える,粉末複合製造機。
[2]
[1]に記載の粉末複合製造機であって,前記造形プラットフォームが前記イメージング装置に対して可動であって,前記粉末複合部品における複数層を形成可能である,粉末複合製造機。
[3]
[1]に記載の粉末複合製造機あって,前記粉末移送装置が,粉末材料を粉末供給チャンバから造形チャンバまで供給するための可動ローラを含む,粉末複合製造機械。
[4]
[3]に記載の粉末複合製造機であって,前記ローラが,逆転ローラ又は静電移送ローラの一方を含む,粉末複合製造機。
[5]
[1]に記載の粉末複合製造機であって,前記粉末移送装置が,粉末材料を複数の粉末供給源から供給可能である,粉末複合製造機。
[6]
[1]に記載の粉末複合製造機であって,前記造形チャンバに供給される粉末材料の密度を制御するための補償装置を備える,粉末複合製造機。
[7]
粉末複合製造方法であって:
粉末材料を造形プラットフォームに供給するステップと;
前記粉末材料に光硬化性樹脂を注入するステップと;
イメージング装置を選択的に作動させて前記光硬化性樹脂を照射することにより,粉末複合部品の層を少なくとも部分的に固化させるステップと;
粉末材料の供給,粉末材料への光硬化性材料の注入,及び光硬化性材料の部分的な固化を反復して,前記粉末複合部品を形成するステップと;
を含む,方法。
[8]
[7]に記載の方法であって,粉末材料の造形プラットフォームへの供給が:
計量された粉末材料を粉末材料供給源から放出するステップと;
計量された粉末材料を造形プラットフォームまで移送するステップと;
を含む,方法。
[9]
[7]に記載の方法であって,粉末材料の造形プラットフォームまでの移送が粉末材料の密度制御を含む,方法。
[10]
[9]に記載の方法であって,粉末材料の密度制御は,粉末材料の体積粉末積載密度を,堆積後の自由密度よりも大となるように増加させるステップを含む,方法。
[11]
[7]に記載の方法であって,粉末材料の造形プラットフォームへの供給が,異なる造形材料を複数の粉末剤用供給源から造形プラットフォームに供給するステップを含む,方法。
[12]
[11]に記載の方法であって,異なる粉末材料を,プラスチック粉末,セラミック粉末及び半導体粉末からなる群より選択する,方法。
[13]
[11]に記載の方法であって,複数の粉末材料供給源からの異なる造形材料の供給が,造形材料及び支持材料の造形プラットフォームへの供給を含む,方法。
[14]
[13]に記載の方法であって,造形材料が金属材料を含み,支持材料が非金属材料を含む,方法。
[15]
[7]に記載の方法であって,イメージング装置の選択的な作動が,粉末複合部品のそれぞれの断面における選択された部分に亘って光硬化性材料を照射することにより,粉末複合部品の層を,光硬化性材料を供給する反復的なステップの間に光硬化性材料が該層を通して流れるに十分な気孔率を有するよう,少なくとも部分的に固化させるステップを含み;
粉末材料の供給,粉末材料への光硬化性材料の注入,及び光硬化性材料の選択的照射の反復的ステップが,反復的に:
・粉末材料を粉末複合部品における1つ以上の照射済み層の頂部上に供給するステップ;
・粉末複合部品における1つ以上の照射済み層を通して光硬化性材料を供給して粉末材料中に注入するステップ;並びに
・イメージング装置を選択的に作動させて光硬化性材料を照射することにより,粉末複合部品における次の層を少なくとも部分的に固化させるステップ;
を含む,方法。
[16]
[15]に記載の方法であって,粉末複合部品のそれぞれの断面における選択された部分に亘って粉末材料及び光硬化性材料を照射するステップが,粉末複合部品のそれぞれの断面の70%未満への照射を含む,方法。
[17]
[7]に記載の方法であって,イメージング装置の選択的な作動が,粉末複合部品のそれぞれの断面における周縁部のみを照射して,粉末材料及び光硬化性材料の周りにスキンを形成するステップを含み;
前記方法は,スキンの形成後に:
・光硬化性材料を粉末材料から除去するステップと;
・粉末材料に結合剤を注入するステップと;
・スキンを除去して,粉末材料及び結合剤で構成されるグリーン体を露出させるステップと;
を含む,方法。
[18]
[7]に記載の方法であって,粉末材料を供給し,粉末材料に光硬化性材料を注入し,光硬化性材料を選択的に照射するステップの反復に先立ち,造形プラットフォームをイメージング装置から離れる方向に一段降下させ,粉末複合部品の各層を先行する層の頂部上に形成する,方法。
[19]
[7]に記載の方法であって,粉末複合部品を固体部品に変換するための事後処理を行う,方法。
[20]
中実造形法により物体を形成するための方法であって,該方法が:
光硬化性材料を造形プラットフォームに供給するステップと;
イメージング装置を選択的に作動させて前記光硬化性材料を前記物体のそれぞれの断面における選択された部分に亘って照射することにより,前記物体の材料層を少なくとも部分的に固化させるステップと;
光硬化性材料を造形プラットフォームに供給し,光硬化性材料を選択的に照射する前記ステップを反復して,前記物体を形成するステップと;
を含み,イメージング装置の選択的な作動は,前記材料層を,光硬化性材料を供給する反復的なステップの間に光硬化性材料が該材料層を通して流れるに十分な気孔率を有するよう,少なくとも部分的に固化させるステップを含む,方法。
[21]
[20]に記載の方法であって,光硬化性材料を供給するステップが:
粉末材料を前記造形プラットフォームに供給するステップと;
前記粉末材料に光硬化性樹脂を注入するステップと;
を含む,方法。
[22]
[21]に記載の方法であって,イメージング装置の選択的な作動が,前記材料層の周りで光硬化性材料の周縁部における連続的な部分を選択的に照射することにより,非多孔質の境界部を形成するステップを含み;
粉末材料に光硬化性樹脂を注入するステップが,前記非多孔質の境界部内に配置された粉末材料部分のみにおける注入を含む,方法。
[23]
[20]に記載の方法であって,イメージング装置を選択的に作動させて,製造すべき物体のそれぞれの断面における選択された部分に亘って光硬化性材料を照射するステップが,該物体のそれぞれの断面の70%未満を照射するステップを含む,方法。
[24]
[20]に記載の方法であって,光硬化性材材料を供給するステップが,光硬化性樹脂を造形プラットフォームに供給するステップを含む,方法。
[25]
[20]に記載の方法であって,光硬化性材料を供給し,光硬化性材料を選択的に照射して前記物体を形成するステップが,反復的に:
光硬化性材料を前記物体における1つ以上の照射済み層を通して供給するステップと;
イメージング装置を選択的に作動させて,前記物体における1つ以上の照射済み層の頂部上における光硬化性材料の層を照射することにより,前記物体における次の層を少なくとも部分的に固化させるステップと;
を含む,方法。
[26]
[25]に記載の方法であって,前記物体における1つ以上の照射済み層を通して光硬化性材料を供給するステップが,光硬化性材料の少なくとも一部を,1つ以上の照射済み層内に生成される垂直方向の圧力勾配を低減させる構成とした1つ以上の樹脂チャネルを通して供給するステップを含む,方法。
Claims (8)
- 中実造形法により物体を形成するための方法であって,該方法が:
光硬化性材料を造形プラットフォームに供給するステップであって,粉末材料を前記造形プラットフォームに供給するステップと,前記造形プラットフォームを通して供給した光硬化性樹脂を前記粉末材料に注入するステップと,を含む,ステップと;
イメージング装置を選択的に作動させて前記光硬化性材料を前記物体のそれぞれの断面における選択された部分に亘って照射することにより,前記物体の材料層を少なくとも部分的に固化させるステップと;
前記光硬化性材料を造形プラットフォームに供給し,前記光硬化性材料を選択的に照射する前記ステップを反復して,前記物体を形成するステップと;
を含み,前記イメージング装置の選択的な作動は,前記材料層を,前記光硬化性材料を供給する反復的なステップの間に前記光硬化性樹脂が該材料層を通して流れるに十分な気孔率を有するよう,少なくとも部分的に固化させるステップを含む,方法。 - 請求項1に記載の方法であって,前記イメージング装置の選択的な作動が,前記材料層の周りで前記光硬化性材料の周縁部における連続的な部分を選択的に照射することにより,非多孔質の境界部を形成するステップを含み;
前記粉末材料に前記光硬化性樹脂を注入するステップが,前記非多孔質の境界部内に配置された前記粉末材料部分のみにおける注入を含む,方法。 - 請求項1に記載の方法であって,前記イメージング装置を選択的に作動させて,製造すべき物体のそれぞれの断面における選択された部分に亘って前記光硬化性材料を照射するステップが,該物体のそれぞれの断面の70%未満を照射するステップを含む,方法。
- 請求項1に記載の方法であって,前記光硬化性材料を供給し,前記光硬化性材料を選択的に照射して前記物体を形成するステップが,反復的に:
前記光硬化性樹脂を前記物体における1つ以上の照射済み層を通して供給するステップと;
前記イメージング装置を選択的に作動させて,前記物体における前記1つ以上の照射済み層の頂部上における前記光硬化性材料の層を照射することにより,前記物体における次の層を少なくとも部分的に固化させるステップと;
を含む,方法。 - 請求項4に記載の方法であって,前記物体における前記1つ以上の照射済み層を通して前記光硬化性材料を供給するステップが,前記光硬化性樹脂の少なくとも一部を,前記1つ以上の照射済み層内に生成される垂直方向の圧力勾配を低減させる構成とした1つ以上の樹脂チャネルを通して供給するステップを含む,方法。
- 粉末複合製造方法であって:
粉末材料を造形プラットフォームに供給するステップと;
前記粉末材料に光硬化性材料を注入するステップと;
イメージング装置を選択的に作動させて前記光硬化性材料を照射することにより,粉末複合部品の層を少なくとも部分的に固化させるステップと;
前記粉末材料の供給,前記粉末材料への前記光硬化性材料の注入,及び前記光硬化性材料の部分的な固化を反復して,前記粉末複合部品を形成するステップと;
を含み,
前記イメージング装置の選択的な作動が,前記粉末複合部品のそれぞれの断面における選択された部分に亘って前記光硬化性材料を照射することにより,前記粉末複合部品の層を,前記光硬化性材料を供給する反復的なステップの間に前記光硬化性材料が該層を通して流れるに十分な気孔率を有するよう,少なくとも部分的に固化させるステップを含み;
前記粉末材料の供給,前記粉末材料への前記光硬化性材料の注入,及び前記光硬化性材料の選択的照射の反復的ステップが,反復的に:
・前記粉末材料を前記粉末複合部品における1つ以上の照射済み層の頂部上に供給するステップ;
・前記粉末複合部品における前記1つ以上の照射済み層を通して前記光硬化性材料を供給して前記粉末材料中に注入するステップ;並びに
・前記イメージング装置を選択的に作動させて前記光硬化性材料を照射することにより,前記粉末複合部品における次の層を少なくとも部分的に固化させるステップ;
を含む,方法。 - 請求項6に記載の方法であって,前記粉末複合部品のそれぞれの断面における選択された部分に亘って前記粉末材料及び前記光硬化性材料を照射するステップが,前記粉末複合部品のそれぞれの断面の70%未満への照射を含む,方法。
- 粉末複合製造方法であって:
粉末材料を造形プラットフォームに供給するステップと;
前記造形プラットフォームを通して供給した光硬化性材料を前記粉末材料に注入するステップと;
イメージング装置を選択的に作動させて前記光硬化性材料を照射することにより,粉末複合部品の層を少なくとも部分的に固化させるステップと;
前記粉末材料の供給,前記粉末材料への前記光硬化性材料の注入,及び前記光硬化性材料の部分的な固化を反復して,前記粉末複合部品を形成するステップと;
を含み,
前記イメージング装置の選択的な作動が,前記粉末複合部品のそれぞれの断面における周縁部のみを照射して,前記粉末材料及び前記光硬化性材料の周りにスキンを形成するステップを含み;
前記方法は,前記スキンの形成後に:
・前記光硬化性材料を前記粉末材料から除去するステップと;
・前記粉末材料に結合剤を注入するステップと;
・前記スキンを除去して,前記粉末材料及び前記結合剤で構成されるグリーン体を露出させるステップと;
を含む,方法。
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JP7194250B2 (ja) | 2022-12-21 |
SG10201913834YA (en) | 2020-03-30 |
KR20180122643A (ko) | 2018-11-13 |
CN109070403A (zh) | 2018-12-21 |
EP3419802A1 (en) | 2019-01-02 |
EP3419802B1 (en) | 2023-09-27 |
WO2017147434A8 (en) | 2018-09-07 |
KR102645662B1 (ko) | 2024-03-07 |
IL261252B (en) | 2022-06-01 |
US11235520B2 (en) | 2022-02-01 |
IL261252A (en) | 2018-10-31 |
BR112018067374B1 (pt) | 2023-05-02 |
CN109070403B (zh) | 2021-12-31 |
WO2017147434A1 (en) | 2017-08-31 |
EP3419802A4 (en) | 2020-01-22 |
US11858216B2 (en) | 2024-01-02 |
US20190009464A1 (en) | 2019-01-10 |
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