JP2019507236A - 性能向上した3次元印刷 - Google Patents
性能向上した3次元印刷 Download PDFInfo
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- JP2019507236A JP2019507236A JP2018530162A JP2018530162A JP2019507236A JP 2019507236 A JP2019507236 A JP 2019507236A JP 2018530162 A JP2018530162 A JP 2018530162A JP 2018530162 A JP2018530162 A JP 2018530162A JP 2019507236 A JP2019507236 A JP 2019507236A
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- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/60—Planarisation devices; Compression devices
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Abstract
本開示は、3D印刷のための様々な装置、およびシステムである。本開示は、3D物体の材料特徴および/または変形を制御し、印刷された3D物体の変形を低減し、そして材料床を平面化する、ステップおよび繰り返しのエネルギー照射プロセスのための、3次元(3D)印刷方法、装置、ソフトウェアおよびシステムを提供する。
【選択図】図25
Description
本出願は、2015年12月10日出願の米国仮特許出願第62/265,817号、および2016年4月1日出願の米国仮特許出願第62/317,070号(その各々は参照により全体が本明細書に組み込まれる)の優先権を主張する。
(i)における平面化は、第1の力を使用することで露出した表面から破片を内部区画に追加的に変位することを含むことができる。破片は3次元物体の一部でない変化した材料を含むことができる。
本明細書で述べられているすべての出版物、特許、および特許出願は、あたかも各個別の出版物、特許、または特許出願が参照により組み込まれているように具体的かつ個別に示されているのと同一の程度で参照により本明細書に組み込まれる。
[実施例]
Claims (27)
- 3次元物体を印刷するための方法であって、
(A)予備変形された材料を、プラットフォームの上方に配置される硬化した材料の底部スキン層に提供する工程であって、前記底部スキン層は前記3次元物体の一部であり、
(B)エネルギービームを使用して、
(I)前記予備変形された材料を、前記3次元物体の一部として、変形した材料の第1の部分に変形する工程であって、前記第1の部分は横方向の第1の断面を有し、
(II)(a)前記底部スキン層の一部であって、かつ(b)前記第1の断面と少なくとも部分的にオーバーラップする横方向の第2の断面を有する第2の部分の温度を、(i)前記底部スキン層の材料の固相温度を上回り、かつ液相温度を下回る温度、および(ii)前記第2の部分における前記底部スキン層の材料が塑性降伏する温度、のうちの少なくとも一方とする標的温度値まで少なくとも上昇させる工程と、を含む方法。 - 前記第1の断面の中央は前記第2の断面の上方である、請求項1に記載の方法。
- 前記硬化した材料の底部スキン層は、前記プラットフォームに垂直な方向に沿って前記プラットフォームの上方に配置される、請求項1に記載の方法。
- 前記第2の部分の前記温度は、シミュレーションによって上昇する、請求項1に記載の方法。
- 前記シミュレーションは、前記3次元物体を印刷するための温度シミュレーションまたは機構シミュレーションを含む、請求項4に記載の方法。
- 前記シミュレーションは、熱機構シミュレーションを含む、請求項4に記載の方法。
- 前記シミュレーションは、前記3次元物体の材料特性を含む、請求項4に記載の方法。
- 前記第2の部分の前記温度は、グラフィカル処理ユニット(GPU)、システムオンチップ(SOC)、特定用途向け集積回路(ASIC)、特定用途向け命令セットプロセッサ(ASIP)、プログラマブルロジックデバイス(PLD)、または、フィールドプログラマブルゲートアレイ(FPGA)によって上昇する、請求項4に記載の方法。
- 3次元物体を印刷するための方法であって、
(A)予備変形された材料と硬化した材料の底部スキン層とを含む材料床を提供する工程であって、前記材料床はプラットフォームの上方に配置され、前記底部スキン層は前記3次元物体の一部であり、前記予備変形された材料の少なくとも一部は前記底部スキン層の上方に配置され、
(B)平面状の層の第1の部分をエネルギービームで照射して、
(I)前記第1の部分における前記予備変形された材料を、前記3次元物体の一部として、変形した材料に変形する工程であって、前記第1の部分は横方向の第1の断面を有し、
(II)(a)前記底部スキン層の一部であって、かつ(b)前記第1の断面とオーバーラップする横方向の第2の断面を有する第2の部分の温度を、(i)前記底部スキン層の材料の固相温度を上回り、かつ液相温度を下回る温度、および(ii)前記第2の部分における前記底部スキン層の材料が塑性降伏する温度、のうちの少なくとも一方とする標的温度値まで少なくとも上昇させる工程と、を含む方法。 - 前記第2の部分の前記温度は、フィードバック制御またはフィードフォワード制御に基づいて上昇する、請求項9に記載の方法。
- 前記第2の部分の前記温度は、閉ループ制御または開ループ制御に基づいて上昇する、請求項9に記載の方法。
- 前記制御は、グラフィカル処理ユニット(GPU)、システムオンチップ(SOC)、特定用途向け集積回路(ASIC)、特定用途向け命令セットプロセッサ(ASIP)、プログラマブルロジックデバイス(PLD)、またはフィールドプログラマブルゲートアレイ(FPGA)に基づく、請求項11に記載の方法。
- 前記材料床を提供する工程は、前記予備変形された材料の余剰分を、気体流れを使用して前記材料床の露出した表面から取り除き、前記予備変形された材料を前記気体流れからサイクロン分離することによって、前記予備変形された材料の層を分注する工程を含む、請求項9に記載の方法。
- 3次元物体を印刷するための方法であって、
(a)予備変形された材料を、プラットフォームの上方に配置される硬化した材料の底部スキン層に提供する工程であって、前記底部スキン層は前記3次元物体の一部であり、
(b)エネルギービームを使用して前記予備変形された材料の一部分を、前記底部スキン層の上方に配置される変形した材料の一部分に変形する工程と、
(c)前記変形した材料の一部分の下方に配される前記底部スキン層における前記3次元物体の温度が、(i)前記底部スキン層の材料の固相温度を上回り、かつ液相温度を下回る温度、および(ii)前記底部スキン層の材料が塑性降伏する温度、のうちの少なくとも一方となるように、前記エネルギービームを設定する工程と、を含む方法。 - 前記変形した材料は溶融プールである、請求項14に記載の方法。
- 工程(c)に引き続いて工程(b)を繰り返す工程をさらに含む、請求項14に記載の方法。
- 前記底部スキン層は、前記プラットフォームに垂直な方向に沿って前記変形した部分の下方に配される、請求項14に記載の方法。
- 前記エネルギービームにおいて、前記エネルギービームの出力密度、断面積、軌道、速度、焦点、エネルギープロファイル、ドゥエル時間、中断時間、またはフルエンスが設定される、請求項14に記載の方法。
- 前記予備変形された材料は、元素金属、金属合金、セラミック、および元素炭素の同素体からなる群から選択される少なくとも1つの部材で形成される粒子材料を含む、請求項14に記載の方法。
- 3次元物体を印刷するための方法であって、
(a)予備変形された材料と硬化した材料の底部スキン層とを含む材料床を提供する工程であって、前記材料床はプラットフォームの上方に配置され、前記底部スキン層は前記3次元物体の一部であり、前記予備変形された材料の少なくとも一部は前記底部スキン層の上方に配置され、前記上方とは前記プラットフォームに対向する方向に沿ったものであり、
(b)エネルギービームを使用して前記予備変形された材料の少なくとも一部を、前記3次元物体の一部として変形した材料に変形する工程と、
(c)前記変形した材料の一部分の下方に配される前記底部スキン層における前記3次元物体の温度が、(i)前記底部スキン層の材料の固相温度を上回り、かつ液相温度を下回る温度、および(ii)前記底部スキン層の材料が塑性降伏する温度、のうちの少なくとも一方となるように、前記エネルギービームを設定する工程と、を含む方法。 - 前記底部スキン層は、(i)前記3次元物体、(ii)前記3次元物体の吊り構造、または(iii)前記3次元物体の空洞天井、において形成された第1の層である、請求項20に記載の方法。
- 前記底部スキン層は、前記底部スキン層の底部表面上に半径XYの球を有し、直線XYと前記底部スキン層の平均層化平面に垂直な方向との間の角度は、約45度〜約90度の範囲である、請求項21に記載の方法。
- 前記3次元物体の前記第1の層は、前記3次元物体を印刷している間において、2ミリメートル以上離間した補助的な支持特徴部を含む、請求項22に記載の方法。
- 前記3次元物体の前記吊り構造は、前記3次元物体または前記プラットフォームから接続されていない少なくとも1つの側面を有する、請求項22の記載の方法。
- 前記吊り構造は、2ミリメートル以上離間した補助的な支持特徴部を備える、請求項22に記載の方法。
- 前記3次元物体の前記空洞天井は、前記3次元物体または前記プラットフォームから接続されていない少なくとも1つの側面を有する、請求項22の記載の方法。
- 前記吊り構造は、2ミリメートル以上離間した補助的な支持部を備える、請求項22に記載の方法。
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| Publication number | Publication date |
|---|---|
| US20170165753A1 (en) | 2017-06-15 |
| US10058920B2 (en) | 2018-08-28 |
| US20170165751A1 (en) | 2017-06-15 |
| WO2017100695A1 (en) | 2017-06-15 |
| US20230364861A1 (en) | 2023-11-16 |
| US20230122002A1 (en) | 2023-04-20 |
| US9962767B2 (en) | 2018-05-08 |
| US10286603B2 (en) | 2019-05-14 |
| US20190118263A1 (en) | 2019-04-25 |
| US20170165752A1 (en) | 2017-06-15 |
| US10688722B2 (en) | 2020-06-23 |
| EP3386662A1 (en) | 2018-10-17 |
| US20180318928A1 (en) | 2018-11-08 |
| US20170165792A1 (en) | 2017-06-15 |
| EP3386662A4 (en) | 2019-11-13 |
| US10071422B2 (en) | 2018-09-11 |
| US20170165754A1 (en) | 2017-06-15 |
| CN108698126A (zh) | 2018-10-23 |
| US10207454B2 (en) | 2019-02-19 |
| US20180161875A1 (en) | 2018-06-14 |
| US10183330B2 (en) | 2019-01-22 |
| JP2022046572A (ja) | 2022-03-23 |
| US20180326488A1 (en) | 2018-11-15 |
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