JP7120120B2 - 付加製造装置及び付加製造方法 - Google Patents
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Description
図1は、第1実施形態に係る付加製造装置の一例を示す概要図である。図1に示す付加製造装置1は、一層ごとに造形物を形成する装置である。付加製造装置1は、回転体10と、回転駆動部20と、供給部30と、平坦部50と、相対駆動部60と、照射部70と、コントローラ100とを備える。付加製造装置1は、回転駆動部20により回転する回転体10の上面11上に一層ごとに造形物を形成する。具体的には、回転体10の上面11において、供給部30がスラリーを供給しスラリーの層200を形成し、平坦部50がスラリーの層200を平坦化し、照射部70が紫外線をスラリーの層200に照射し、スラリーの層200を硬化させることで造形物の層が形成される。相対駆動部60は、回転体10の上面11と、供給部30及び平坦部50との相対距離を調整する。スラリーは、造形物の基材である。スラリーは、例えば、紫外線硬化樹脂とセラミックス粉又は金属粉とを混合した流動性のある材料である。スラリーは、ジェル(ゲル)状、半固体状、ゼリー状、ムース状ないしペースト状(練状)の樹脂であってもよい。紫外線硬化樹脂とは、紫外線を受光することで硬化する樹脂であり、例えば、アクリル系及びエポキシ系である。
次に、第2実施形態に係る付加製造装置について説明する。本実施形態の説明では、第1実施形態との相違点を説明し、重複する説明を省略する。第2実施形態に係る付加製造装置は、第1実施形態に係る付加製造装置1と比較して、回転体の外周面においてスラリーの層が供給され、平坦化され、紫外線を照射される点において相違する。
以上、種々の例示的実施形態について説明してきたが、上述した例示的実施形態に限定されることなく、様々な省略、置換、及び変更がなされてもよい。例えば、第1実施形態及び第2実施形態におけるスラリーは光硬化樹脂を含んでもよい。この場合、照射部70は、光を照射する。
Claims (4)
- 一層ごとに造形物を形成する付加製造装置であって、
その中心線が上下方向に沿い、かつ、前記中心線に沿った方向に回転軸を有する円柱状の回転体と、
前記回転軸を中心に前記回転体を回転させる回転駆動部と、
前記回転体の上方に設けられ、前記回転駆動部による前記回転体の回転中に、前記回転体の上面に紫外線硬化樹脂を含むスラリーを供給する供給部と、
前記回転体の上方に設けられ、前記回転体の回転方向における前記供給部の下流に位置し、前記回転駆動部による前記回転体の回転中に、その端部で前記回転体の前記上面に供給された前記スラリーを一層分の厚さにならす平坦部と、
前記供給部及び前記平坦部に対して前記回転体を前記回転体の前記中心線に沿った方向に相対的に移動させる相対駆動部と、
前記回転体の上方に設けられ、前記回転体の回転方向における前記平坦部の下流に位置し、前記回転駆動部による前記回転体の回転中に、前記造形物の形状に基づいて定められた照射位置に紫外線をスポット照射する照射部と、
を備え、
前記照射部は、前記回転駆動部による前記回転体の回転速度及び前記照射位置に基づいて、前記紫外線の照射点の位置を前記回転体の回転ごとに前記回転体の径方向に沿って変更し、前記造形物の一層分の照射を完了する、
付加製造装置。 - 一層ごとに造形物を形成する付加製造装置であって、
その中心線に沿った方向に回転軸を有する円柱状の回転体と、
前記回転軸を中心に前記回転体を回転させる回転駆動部と、
前記回転体の外側に設けられ、前記回転駆動部による前記回転体の回転中に、前記回転体の外周面に紫外線硬化樹脂を含むスラリーを供給する供給部と、
前記供給部を前記回転体の径方向に沿って移動させる第1駆動部と、
前記回転体の外側に設けられ、前記回転体の回転方向における前記供給部の下流に位置し、前記回転駆動部による前記回転体の回転中に、その端部で前記回転体の前記外周面に供給された前記スラリーを一層分の厚さにならす平坦部と、
前記平坦部を前記回転体の径方向に沿って移動させる第2駆動部と、
前記回転体の外側に設けられ、前記回転体の回転方向における前記平坦部の下流に位置し、前記回転駆動部による前記回転体の回転中に、前記造形物の形状に基づいて定められた照射位置に紫外線をスポット照射する照射部と、
を備え、
前記照射部は、前記回転駆動部による前記回転体の回転速度及び前記照射位置に基づいて、前記紫外線の照射点の位置を前記回転体の回転ごとに前記回転体の前記中心線に沿って変更し、前記造形物の一層分の照射を完了する、
付加製造装置。 - 一層ごとに造形物を形成する付加製造方法であって、
その中心線が上下方向に沿い、かつ、前記中心線に沿った方向に回転軸を有する円柱状の回転体を、前記回転軸を中心に回転させるステップと、
前記回転体の回転中に、前記回転体の上面に紫外線硬化樹脂を含むスラリーを供給するステップと、
前記回転体の回転中に、前記供給するステップにおいて前記回転体の前記上面に供給された前記スラリーを一層分の厚さにならすステップと、
前記回転体の回転中に、前記ならすステップにおいて前記回転体の前記上面においてならされた前記スラリーに対して前記造形物の形状に基づいて定められた照射位置に紫外線をスポット照射するステップと、
を有し、
前記照射するステップでは、前記回転体の回転速度及び前記照射位置に基づいて、前記紫外線の照射点の位置を前記回転体の回転ごとに前記回転体の径方向に沿って変更し、前記造形物の一層分の照射を完了する、
付加製造方法。 - 一層ごとに造形物を形成する付加製造方法であって、
その中心線に沿った方向に回転軸を有する円柱状の回転体を、前記回転軸を中心に回転させるステップと、
前記回転体の回転中に、前記回転体の外周面に紫外線硬化樹脂を含むスラリーを供給するステップと、
前記回転体の回転中に、前記供給するステップにおいて前記回転体の外周面に供給された前記スラリーを一層分の厚さにならすステップと、
前記回転体の回転中に、前記ならすステップにおいて前記回転体の前記外周面においてならされた前記スラリーに対して前記造形物の形状に基づいて定められた照射位置に紫外線をスポット照射するステップと、
を有し、
前記照射するステップでは、前記回転体の回転速度及び前記照射位置に基づいて、前記紫外線の照射点の位置を前記回転体の回転ごとに前記回転体の前記中心線に沿って変更し、前記造形物の一層分の照射を完了する、
付加製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2019067289A JP7120120B2 (ja) | 2019-03-29 | 2019-03-29 | 付加製造装置及び付加製造方法 |
DE102020103922.0A DE102020103922A1 (de) | 2019-03-29 | 2020-02-14 | Additive fertigungsvorrichtung und additives fertigungsverfahren |
FR2001652A FR3094263A1 (fr) | 2019-03-29 | 2020-02-19 | Appareil de fabrication additive et procédé de fabrication additive |
US16/826,930 US20200307079A1 (en) | 2019-03-29 | 2020-03-23 | Additive manufacturing apparatus and additive manufacturing method |
CN202010212351.4A CN111745956A (zh) | 2019-03-29 | 2020-03-24 | 增材制造装置以及增材制造方法 |
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- 2020-02-19 FR FR2001652A patent/FR3094263A1/fr active Pending
- 2020-03-23 US US16/826,930 patent/US20200307079A1/en not_active Abandoned
- 2020-03-24 CN CN202010212351.4A patent/CN111745956A/zh active Pending
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JP2015196268A (ja) | 2014-03-31 | 2015-11-09 | 株式会社東芝 | 積層造形物の製造装置、製造方法及び液状原料 |
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US20200307079A1 (en) | 2020-10-01 |
CN111745956A (zh) | 2020-10-09 |
FR3094263A1 (fr) | 2020-10-02 |
DE102020103922A1 (de) | 2020-10-01 |
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