JP7222990B2 - 付加製造におけるウィンドウ可変性の補正 - Google Patents
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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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
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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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Description
本出願は、2017年10月23日に出願した米国仮出願第62/575804号の優先権を主張するものであり、その開示については、引用することによってその全てが本明細書の一部を成すものとする。
本発明は、付加製造(additive manufacturing)に関し、より詳細には、連続液界面製造(CLIP:Continuous Liquid Interface Production)を含むステレオリソグラフィに関する。
Claims (18)
- ボトムアップのステレオリソグラフィ機器で物体を作製する方法において、前記機器は、光源と、駆動組立体と、前記光源および前記駆動組立体と動作可能に関連付けられたコントローラとを備え、前記光源および/または前記駆動組立体が、前記コントローラによって調整可能である少なくとも1つの調整可能なパラメータを有する、方法であって、
(a)前記機器上に取り外し可能なウィンドウカセットを前記光源が投光する構成で設置するステップであって、前記ウィンドウカセットは、物体が生成され得る造形面を有する光学的に透明な部材を備え、前記光学的に透明な部材は、そこに少なくとも1つの可変特性を有する、設置するステップと、次いで、
(b)前記ウィンドウの前記少なくとも1つの可変特性に基づいて前記コントローラによって前記少なくとも1つの調整可能なパラメータを修正するステップと、次いで、
(c)ボトムアップのステレオリソグラフィによって光重合性液体から前記造形面上に前記物体を生成するステップと
を含み、
前記ウィンドウカセットが、それらと動作可能に関連付けられた固有識別子を備え、
前記修正するステップが、
(i)前記固有識別子を検出するステップと、次いで、
(ii)前記少なくとも1つの可変特性についてのおよび前記固有識別子に対応する光学補正命令をデータ記憶媒体から前記コントローラへ伝達するステップと
によって実行される、方法。 - 前記ウィンドウカセットが、その上にデータ記憶媒体を備え、前記データ記憶媒体が、前記少なくとも1つの可変特性についての光学補正命令を格納し、
前記修正するステップが、
(i)前記記憶媒体を前記コントローラと動作可能に関連付けるステップと、次いで、
(ii)前記光学補正命令を前記データ記憶媒体から前記コントローラへ伝達するステップと
によって実行される、請求項1に記載の方法。 - 前記可変特性が、光学特性、物理特性、またはこれらの組合せを含む、請求項1又は2に記載の方法。
- 前記可変特性が、ウィンドウの厚さ、またはウィンドウの高さ(前記機器に取付けられた際の前記ウィンドウの上部の機械的位置)を含み、前記調整可能なパラメータが、(像の全体および/または像の部分についての)投影像の倍率、および/または光源の焦点面を含む、請求項1~3のいずれか一項に記載の方法。
- 前記可変特性が、ウィンドウの光透過性を含み、前記調整可能なパラメータが、光強度を含む、請求項1~4のいずれか一項に記載の方法。
- 前記可変特性が、光学的な欠陥領域を含み、前記調整可能なパラメータが、前記造形面に対する投光領域を含む、請求項1~5のいずれか一項に記載の方法。
- 前記可変特性が、前記ウィンドウ内の局部的な光学的歪みを含み、前記調整可能なパラメータが、前記局部的な光学的歪みにマッピングされる投光される光像の局部的な光学補正を含む、請求項1~6のいずれか一項に記載の方法。
- 前記可変特性が、重合抑制剤に対する透過性を含み、前記調整可能なパラメータが、光強度、生成の速度、またはこれらの組合せを含む、請求項1~7のいずれか一項に記載の方法。
- 各前記調整可能なパラメータが、前記ウィンドウの1つまたは複数の小部分、前記ウィンドウの主要部分、若しくは前記ウィンドウの全体、又はこれらの組合せに独立して適用される、請求項1~8のいずれか一項に記載の方法。
- 前記光学的に透明な部材が、複数の別個の層を備える、請求項1~9のいずれか一項に記載の方法。
- 前記光学的に透明な部材が、
(i)剛性または可撓性の半透過性または不透過性支持部材と、
(ii)前記支持部材上の半透過性部材、または前記支持部材上の不混和性層のいずれかと、
(iii)前記半透過性部材内の重合抑制剤と、
(iii)前記不透過性支持部材と前記半透過性部材の間の緩衝部材と、
(v)前記不透過性支持部材と前記半透過性部材との間のフィード空間であって、追加の重合抑制剤を前記半透過性部材の中に供給するように構成されたフィード空間と
を備える、請求項1~10のいずれか一項に記載の方法。 - 前記修正するステップが、前記機器の少なくとも1つの性能特性を強化する、請求項1~11のいずれか一項に記載の方法。
- 前記生成するステップが、連続液界面製造(CLIP)によって実行される、請求項1~12のいずれか一項に記載の方法。
- ボトムアップのステレオリソグラフィ機器であって、
(a)光源と、
(b)駆動組立体と、
(c)前記光源および前記駆動組立体と動作可能に関連付けられたコントローラであって、前記光源および/または前記駆動組立体は、前記コントローラによって調整可能である少なくとも1つの調整可能なパラメータを有する、コントローラと、
(d)前記光源と動作可能に関連付けられるとともに、前記機器上に取り外し可能なウィンドウカセットを前記光源が投光する構成で固定するように構成された係合組立体であって、前記ウィンドウカセットは物体が生成され得る造形面を有する光学的に透明な部材を備え、前記光学的に透明な部材は少なくとも1つの可変特性を有する、係合組立体と、
(e)(i)前記コントローラと動作可能に関連付けられ、前記ウィンドウカセット上の固有識別子を読み取るように構成された固有識別子読取り装置、または(ii)前記コントローラと動作可能に関連付けられ、前記ウィンドウカセット上のデータ記憶媒体に結合するように構成されたデータ記憶媒体連結器のいずれかと
を備え、
前記ウィンドウカセットが、それらと動作可能に関連付けられた固有識別子を備え、前記コントローラが、前記少なくとも1つの可変特性についてのおよび前記固有識別子に対応する光学補正命令をデータ記憶媒体から前記コントローラへ受信するように構成されている、ボトムアップのステレオリソグラフィ機器。 - 前記コントローラが、請求項1~13のいずれか一項に記載の方法を実施するように構成される、請求項14に記載の機器。
- ボトムアップのステレオリソグラフィ機器に取り外し可能に取り付けるのに役立つウィンドウカセットであって、
(a)円周フレームと、
(b)前記円周フレームに接続された光学的に透明な部材であって、前記光学的に透明な部材は物体が生成され得る造形面を有し、前記光学的に透明な部材はそこに少なくとも1つの可変特性を有する、光学的に透明な部材と、
(c)前記円周フレームに接続された固有識別子またはデータ記憶媒体のいずれかと
を備え、
前記ウィンドウカセットが、それらと動作可能に関連付けられた前記固有識別子を備え、前記固有識別子が、前記データ記憶媒体に格納され、それらと関連付けられた前記少なくとも1つの可変特性についての光学補正命令を有するウィンドウカセット。 - 前記光学的に透明な部材が、複数の別個の層を備える、請求項16に記載のウィンドウカセット。
- 前記光学的に透明な部材が、
(i)剛性または可撓性の半透過性または不透過性支持部材と、
(ii)前記支持部材上の半透過性部材、または前記支持部材上の不混和性層のいずれかと、
(iii)前記半透過性部材内の重合抑制剤と、
(iv)前記不透過性支持部材と前記半透過性部材の間の緩衝部材と、
(v)前記不透過性支持部材と前記半透過性部材との間のフィード空間であって、追加の重合抑制剤を前記半透過性部材の中に供給するように構成されたフィード空間と
を備える、請求項17に記載のウィンドウカセット。
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US201762575804P | 2017-10-23 | 2017-10-23 | |
US62/575,804 | 2017-10-23 | ||
PCT/US2018/056668 WO2019083833A1 (en) | 2017-10-23 | 2018-10-19 | CORRECTION OF WINDOW VARIABILITY IN ADDITIVE MANUFACTURE |
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US20210323223A1 (en) | 2021-10-21 |
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US20200070406A1 (en) | 2020-03-05 |
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