JP2022512225A - 均一平面表面を使用する3dプリンティングシステムにおける光開始重合反応の酸素阻害を防止するためのシステム及び方法 - Google Patents
均一平面表面を使用する3dプリンティングシステムにおける光開始重合反応の酸素阻害を防止するためのシステム及び方法 Download PDFInfo
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—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
- B29C64/30—Auxiliary operations or equipment
- B29C64/364—Conditioning of environment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—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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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—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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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C64/00—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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
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- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
Description
本出願は、2018年12月11日に提出された米国仮出願番号62/777,902の本出願であり、この仮出願に対する優先権を主張し、引用により本明細書に組み込まれる。
本発明は、不活性ガス流を使用して反応表面から酸素をパージすることにより、又は固い平面表面で覆うことによって反応表面から酸素を強制的に取り除くことにより、3Dプリンティングシステムにより使用される光開始重合反応の酸素阻害を防止するシステムに関する。
クエンチング反応: PI*+O2 ⇒ PI+O2 *
スカベンジング反応: R・+O2 * ⇒ R-O-O・
実施形態1. 周囲条件での光開始重合反応の酸素阻害を防止するシステムであって、
紫外線(UV)光源と、
UV硬化性材料の層を有する加工物を受け入れるUV硬化スペースと、
UV光源がUV硬化性材料の層に光を放射するときに、UV硬化スペース内でUV硬化性材料のUV硬化を促進するためUV硬化スペースから酸素をパージする手段と、
を含むシステム。
製造中の物体のプリンティング面に紫外線(UV)光硬化性材料の層を堆積するステップと、
UV源がUV光硬化性材料の層に光を放射するときに、UV硬化スペース内でUV硬化性材料のUV硬化を促進するため、UV光硬化性材料の層を有する製造中の物体が配置されるUV硬化スペースから酸素をパージするステップと、
UV源を作動させて、製造中の物体のプリンティング面上に配置されたUV光硬化性材料の層の少なくとも一部を硬化させるステップと、
を含む方法。
36 UV硬化層
48 UV光
60 UV硬化システム
62 透明薄膜
64 平面表面
70 高さセンサー
72 光学部品
Claims (8)
- 周囲条件での光開始重合反応の酸素阻害を防止するシステムであって、
紫外線(UV)光源と、
UV硬化性材料の層を有する加工物を受け入れるUV硬化スペースと、
前記UV光源が前記UV硬化性材料の層に光を放射するときに、前記UV硬化スペース内で前記UV硬化性材料のUV硬化を促進するため前記UV硬化スペースから酸素をパージする手段と、
を備え、
酸素をパージする前記手段は、前記UV硬化性材料の層を平坦化するためのUV透過性表面を含み、前記UV透過性表面が、張力がかかった薄膜、固体材料のプレート、又は張力がかかった薄膜と固体材料のプレートとの組み合わせを含み、
前記システムが更に、
前記UV硬化性材料の層と前記UV透過性表面との間で接触が達成されたかどうかを決定するために、前記UV透過性表面の反射特性を評価するように構成されたカメラを備える、システム。 - 前記加工物の硬化したUV硬化性層との接触から前記UV透過性表面を除去する手段を更に含む、請求項1に記載のシステム。
- 前記除去手段が、除去プロセス中に前記薄膜を張力がかかった状態に保つように構成されたローラーのペアを含む、請求項2に記載のシステム。
- 周囲条件での光開始重合反応の酸素阻害を防止する方法であって、
製造中の物体のプリンティング面に紫外線(UV)光硬化性材料の層を堆積するステップと、
UV源がUV光硬化性材料の層に光を放射するときに、UV硬化スペース内で前記UV光硬化性材料のUV硬化を促進するため、前記UV光硬化性材料の層を有する前記製造中の物体が配置される前記UV硬化スペースから酸素をパージするステップと、
を含み、
前記UV硬化スペースから酸素をパージするステップは、前記UV光硬化性材料の層を堆積した後、UV光硬化性材料の層を有する製造中の物体のプリンティング面をUV-透過性平坦化面に向けて上昇させ、前記UV光硬化性材料の層と前記UV-透過性平坦化面との間で接触が達成されたかどうかを決定するように前記UV透過性表面の反射特性を評価するステップを含む、
前記方法が更に、
前記UV源を作動させて、前記製造中の物体のプリンティング面上に配置された前記UV光硬化性材料の層の少なくとも一部を硬化させるステップを含む、
方法。 - 前記UV光硬化性材料の層の少なくとも一部を硬化させた後、前記製造中の物体から離れて前記平坦化面を変位させるステップを更に含む、請求項4に記載の方法。
- 前記平坦化面がUV透過性薄膜を含み、前記製造中の物体から離れて前記平坦化面を変位させるステップは、前記製造中の物体のプリンティング表面上に配置された前記UV光硬化性材料の層の硬化部分から前記薄膜を剥離するステップを含む、請求項5に記載の方法。
- 前記平坦化面は更に、UV透過性平坦表面を含み、前記製造中の前記物体から離れて前記平坦化面を変位させるステップは、前記製造中の物体のプリンティング表面上に配置された前記UV光硬化性材料の層の硬化部分から前記薄膜を剥離するステップの前に、前記平坦表面を前記薄膜から離れて引き上げるステップを含む、請求項6に記載の方法。
- ローラーを使用して前記薄膜の張力を制御するステップを更に含む、請求項6に記載の方法。
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US201862777902P | 2018-12-11 | 2018-12-11 | |
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PCT/IB2019/060451 WO2020121131A1 (en) | 2018-12-11 | 2019-12-04 | Systems and methods for preventing oxygen inhibition of a light-initiated polymerization reaction in a 3d printing system using uniform planar surfaces |
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JP2021533301A Active JP7471299B2 (ja) | 2018-12-11 | 2019-12-04 | 不活性ガスを使用する3dプリンティングシステムにおける光開始重合反応の酸素阻害を防止するためのシステム及び方法 |
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US11654618B2 (en) * | 2019-04-25 | 2023-05-23 | 3D Systems, Inc. | Three dimensional printing system with partially immersed imaging bar defining build plane below a free surface of photocurable resin |
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CN1131741A (zh) * | 1995-03-22 | 1996-09-25 | 载歌公司 | 光学间隙测量装置和方法 |
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JP7476197B2 (ja) | 2024-04-30 |
EP3894181B1 (en) | 2022-11-16 |
EP3894180A1 (en) | 2021-10-20 |
KR20210132640A (ko) | 2021-11-04 |
US20200180225A1 (en) | 2020-06-11 |
CN113412186B (zh) | 2023-04-04 |
US20220379560A1 (en) | 2022-12-01 |
US11203154B2 (en) | 2021-12-21 |
US11673328B2 (en) | 2023-06-13 |
US11453164B2 (en) | 2022-09-27 |
US11590701B2 (en) | 2023-02-28 |
KR20210134304A (ko) | 2021-11-09 |
CN113412186A (zh) | 2021-09-17 |
WO2020121131A1 (en) | 2020-06-18 |
EP3894180C0 (en) | 2023-11-01 |
WO2020121132A1 (en) | 2020-06-18 |
US20200180190A1 (en) | 2020-06-11 |
CN113365796B (zh) | 2023-03-21 |
US20220055302A1 (en) | 2022-02-24 |
CN113365796A (zh) | 2021-09-07 |
EP3894180B1 (en) | 2023-11-01 |
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