JP6872082B2 - 付加製造中のキャリアへの物体の付着の強化 - Google Patents
付加製造中のキャリアへの物体の付着の強化 Download PDFInfo
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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Description
本出願は、2018年2月21日に提出された米国仮特許出願第62/633197号明細書および2018年3月28日に提出された同第62/649280号明細書の利益を主張し、これらの開示はそれぞれ、引用することによりそのすべてが本明細書の一部を成すものとする。
(a)ボトムアップのステレオリソグラフィプロセス(例えば、連続液体界面製造)での樹脂の光重合により、キャリアプレートに付着した物体を製造するステップであって、
(i)物体は、キャリアプレート付着部分と、本体部分と、キャリアプレート付着部分に含まれ、かつ任意選択的に本体部分の少なくとも一部へと延在する周囲境界部分とを含み、
(ii)ステレオリソグラフィプロセスは、境界部分を(付着部分または本体部分の露光に比べて)光で過度に露光することを含む、物体を製造するステップと、
(b)任意選択的に、物体を(例えば、ワイピング(ブローイングを含む)、洗浄、またはこれらの組合せにより)清浄化するステップと、およびその後に
(c)任意選択的に、物体をベーキングして、更に硬化した三次元物体を製造するステップと、を含む。
以下に、本発明の実施形態を示す添付の図面を参照し、本発明をより詳細に説明する。しかし、本発明は、多くの異なる形態で具体化されてもよく、本明細書に記載の実施形態に限定されるものと解釈されるべきではなく、むしろこれらの実施形態は、開示が十分かつ完全であり、本発明の範囲を当業者に十分に伝えるように提供されるものである。
付加製造のための単一硬化性樹脂および二重硬化性樹脂を含む樹脂は、公知であり、例えば、J.DeSimone等、米国特許第9205601号明細書、ならびにRolland等、米国特許第9676963号明細書、米国特許第9598606号明細書および米国特許第9453142号明細書に記載されており、これらの開示は、引用することにより本明細書の一部を成すものとする。二重硬化性樹脂の適切な例としては、これらに限定されないものの、ポリウレタン、ポリ尿素およびそれらのコポリマー、エポキシ、シアン酸エステル、シリコーン等のポリマーから成る部品を製造するための樹脂が挙げられる。
上記の物体は、(剛性または可撓性のワイパー、布、または圧縮空気などの圧縮ガスによる)ワイピング、洗浄、またはこれらの組合せなど、任意の適切な手法で清浄化することが可能である。
本発明を実施するために使用され得る洗浄液としては、これらに限定されないものの、任意で、界面活性剤、キレート剤(リガンド)、酵素、ホウ砂、染料または着色剤、香料などのさらなる成分(これらの組合せを含む)を含有する、水、有機溶媒、およびこれらの組合せ(例えば、共溶媒として組み合わされる)が挙げられる。洗浄液は、溶液、エマルション、分散液等の任意の適切な形態であってもよい。
清浄化後、物体は、好ましくは加熱またはベーキングにより更に硬化されることが一般的である。
図1〜図1Aに、ボトムアップのステレオリソグラフィにより物体を製造する従来の手法を概略的に示す。物体11は、キャリアプレート14と、(関連する波長に対して)光透過性のウィンドウ15との間に構築されている。物体は、キャリアプレートに付着した表面部分を有する初期キャリアプレート付着領域11aを含む。重合可能な液体または樹脂16がウィンドウ15上に配置されており、これを通して、パターン化された光が光源17から連続的に投射され、経時的に物体11が製造される。連続液体界面製造(CLIP)の様々な実装において、保持される液体界面18は、物体11の一部またはすべての製造中に物体11と樹脂16との間に見られる。保持される液体界面は、これらに限定されないものの、重合阻害剤(例えば、酸素)に対して透過性のウィンドウに隣接する非重合性樹脂のデッドゾーンの生成を含む、任意の適切な技術により生成され得る。
0 0 1 1 1 0 0
と表され、ここで、それぞれの隣接する画素について、0が黒(露光なし)であり、1が白(標準露光)である場合、その侵食された画像は、
0 0 0 1 0 0 0
である。
0 0 1 0.5 1 0 0
が、そのスライスは2倍長く露光される。これは、公知の手法に従って二次元および三次元へと膨張させることが容易である。
Claims (13)
- 光重合性樹脂から三次元物体を製造する方法であって、
(a)ボトムアップのステレオリソグラフィプロセスでの前記樹脂の光重合により、キャリアプレートに付着した物体を製造するステップであって、
(i)前記物体は、キャリアプレート付着部分と、本体部分と、前記キャリアプレート付着部分に含まれ、かつ任意選択的に前記本体部分の少なくとも一部へと延在する周囲境界部分とを含み、
(ii)前記ステレオリソグラフィプロセスは、前記境界部分を、前記付着部分または本体部分の露光に比べて光で過度に露光し、前記ボトムアップのステレオリソグラフィプロセス中に前記キャリアプレートへの前記物体の付着を強化することを含む、
物体を製造するステップと、
(b)任意選択的に、前記物体を清浄化するステップと、その後に
(c)任意選択的に、前記物体をベーキングしてと、更に硬化した三次元物体を製造するステップと
を含む、方法。 - 前記樹脂が二重硬化性樹脂を含み、前記ベーキングするステップ(c)が含まれる、請求項1に記載の方法。
- 前記周囲境界部分が途切れている、または穴があいている、請求項1または2に記載の方法。
- 前記周囲境界部分が途切れていない、請求項1または2に記載の方法。
- 前記周囲境界部分が表面縁部分を含む、請求項1〜4のいずれか1項に記載の方法。
- 前記周囲境界部分が内部境界部分を含む、請求項1〜4のいずれか1項に記載の方法。
- 前記周囲境界部分が、少なくとも1つの表面縁部分と少なくとも1つの内部境界部分との組合せを含む、請求項1〜4のいずれか1項に記載の方法。
- 前記周囲境界部分がZ寸法において下方に先細になっている、請求項1〜7のいずれか1項に記載の方法。
- 前記清浄化するステップが、ワイピング(ブローイングを含む)、洗浄、またはこれらの組合せにより行われる、請求項1〜8のいずれか1項に記載の方法。
- 前記キャリアプレート付着部分が、前記キャリアプレートに付着した1、2、3または4平方センチメートル〜200または400平方センチメートル以上の表面積を有する、請求項1〜9のいずれか1項に記載の方法。
- 前記周囲境界部分が、0.1または0.5ミリメートル〜10または20ミリメートルの平均幅(X−Y寸法)を有する、請求項1〜10のいずれか1項に記載の方法。
- 前記キャリアプレート付着部分が、前記キャリアプレートに直接面するおよび/または接触する記号および/またはデザインを含む、請求項1〜11のいずれか1項に記載の方法。
- 前記物体本体部分が格子を含む、請求項1〜12のいずれか1項に記載の方法。
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US201862633197P | 2018-02-21 | 2018-02-21 | |
US62/633,197 | 2018-02-21 | ||
US201862649280P | 2018-03-28 | 2018-03-28 | |
US62/649,280 | 2018-03-28 | ||
PCT/US2019/018954 WO2019165070A1 (en) | 2018-02-21 | 2019-02-21 | Enhancing adhesion of objects to carriers during additive manufacturing |
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JP2021508626A JP2021508626A (ja) | 2021-03-11 |
JP6872082B2 true JP6872082B2 (ja) | 2021-05-19 |
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EP (1) | EP3727799B1 (ja) |
JP (1) | JP6872082B2 (ja) |
CN (1) | CN111801216B (ja) |
WO (1) | WO2019165070A1 (ja) |
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