JP6901470B2 - 粉末床レーザー溶融による積層造形システム及び積層造形プロセス - Google Patents
粉末床レーザー溶融による積層造形システム及び積層造形プロセス Download PDFInfo
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Description
− 粉末は、プラスチック材料、セラミック材料、又は金属材料である。
− 第1のレーザー部は、連続レーザー光源を備える。
− 第2のレーザー部は、パルスレーザー光源を備える。
− パルスレーザー光源は、数フェムト秒から数十ピコ秒程度の長さのパルスを生成する。
− パルスレーザー光源は、300フェムト秒から900フェムト秒の間の長さのパルスを生成する。
− 光学部は、二軸スキャナと集束レンズとを備える。
− システムは、第1のレーザー光線又は第2のレーザー光線を光学部に選択的に誘導するよう構成された、光線誘導用の可動誘導手段を更に備える。
a) 第1のレーザー光線の作用下で粉末床を溶融することにより少なくとも1つの材料層を形成することを含む形成ステップと、
b) 第2のレーザー光線の作用下で材料層の少なくとも一部を加工することを含む加工ステップとを交互に備え、
溶融されて加工された材料層を連続的に積層することにより部品を製造する。
− 形成ステップにおいて、第1のレーザー光線を、連続レーザー光源を備える第1のレーザー部によって生成する。
− 加工ステップにおいて、第2のレーザー光線を、パルスレーザー光源を備える第2のレーザー部によって生成する。
− プロセスの間の少なくとも1つの加工ステップにおいて、第2のレーザー光線を用いて部品にテクスチャリング又は表面機能化を施す。
− プロセスの最後の加工ステップにおいて、第2のレーザー光線を用いて部品に表面テクスチャリング又は表面機能化を施す。
− 形成ステップ及び加工ステップにおいて、レーザー光線を、単一の光学部によって、溶融対象の粉末床上、或いは、加工対象の材料層上に集束させる。
− 形成ステップと加工ステップとの間において、可動誘導手段を、光学部の上流で、光線の共通の光路上に移動させ、2つのレーザー部が出射したそれぞれの光線が、スキャナを介して部品に向けられるようにする。
Claims (14)
- 粉末床(2)のレーザー溶融による積層造形システム(1)において、前記システム(1)は、
− 第1のレーザー光線(F1,F10)を選択的に出射して前記粉末床(2)を溶融することにより少なくとも1つの材料層を形成する第1のレーザー部(10)と、
− 第2のレーザー光線(F2,F20)を選択的に出射して前記材料層の少なくとも一部を加工する第2のレーザー部(20)と、
− 前記第1のレーザー光線(F1,F10)を溶融対象の前記粉末床(2)に集束させ、且つ、前記第2のレーザー光線(F2,F20)を加工対象の前記材料層に集束させることが可能な単一の光学部(30)とを備え、
前記システム(1)は、溶融されて加工された材料層を連続的に積層することにより部品を製造でき、最後の部分では、加工用光線の光路と溶融用光線の光路とが合わせられることを特徴とするシステム(1)。 - 前記第1のレーザー部(10)が、連続レーザー光源(12)を備える
ことを特徴とする、請求項1に記載のシステム(1)。 - 前記第2のレーザー部(20)が、パルスレーザー光源(22)を備える
ことを特徴とする、請求項1又は2に記載のシステム(1)。 - 前記パルスレーザー光源(22)が、数フェムト秒から数十ピコ秒程度の長さのパルスを生成する
ことを特徴とする、請求項3に記載のシステム(1)。 - 前記パルスレーザー光源(22)が、300フェムト秒から900フェムト秒の間の長さのパルスを生成する
ことを特徴とする、請求項3又は4に記載のシステム(1)。 - 前記光学部(30)が、二軸スキャナ(32)と集束レンズ(34)とを備える
ことを特徴とする、請求項1〜5のいずれか一項に記載のシステム(1)。 - 前記第1のレーザー光線(F1,F10)又は前記第2のレーザー光線(F2,F20)を前記光学部(30)に選択的に誘導するよう構成された可動誘導手段(40)を更に備える
ことを特徴とする請求項1〜6のいずれか一項に記載のシステム(1)。 - 請求項1〜7のいずれか一項に記載のシステム(1)を使用する、粉末床(2)のレーザー溶融による積層造形プロセスにおいて、
− 第1のレーザー光線(F1,F10)の作用下で前記粉末床(2)を溶融することにより少なくとも1つの材料層を形成することを含む形成ステップ(100)と、
− 第2のレーザー光線(F2,F20)の作用下で前記材料層の少なくとも一部を加工することを含む加工ステップ(200)とを交互に備え、
溶融されて加工された材料層を連続的に積層することにより部品を製造することを特徴とするプロセス。 - 前記形成ステップ(100)において、前記第1のレーザー光線(F1,F10)を、連続レーザー光源(12)を備える第1のレーザー部(10)によって生成する
ことを特徴とする、請求項8に記載のプロセス。 - 前記加工ステップ(200)において、前記第2のレーザー光線(F2,F20)を、パルスレーザー光源(22)を備える第2のレーザー部(20)によって生成する
ことを特徴とする、請求項8又は9に記載のプロセス。 - 前記プロセスの間の少なくとも1回の前記加工ステップ(200)において、前記第2のレーザー光線(F2,F20)を用いて前記部品に表面テクスチャリング又は表面機能化を施す
ことを特徴とする請求項8〜10のいずれか一項に記載のプロセス。 - 前記プロセスの最後の前記加工ステップ(200)において、前記第2のレーザー光線(F2,F20)を用いて前記部品に表面テクスチャリング又は表面機能化を施す
ことを特徴とする請求項8〜11のいずれか一項に記載のプロセス。 - 前記形成ステップ(100)及び前記加工ステップ(200)において、前記レーザー光線(F1,F10;F2,F20)を、単一の光学部(30)によって、溶融対象の前記粉末床(2)上、或いは、加工対象の前記材料層上に集束させる
ことを特徴とする請求項8〜12のいずれか一項に記載のプロセス。 - 前記形成ステップ(100)と前記加工ステップ(200)との間において、可動誘導手段(40)を、前記光学部(30)の上流で、前記レーザー光線(F1,F10;F2,F20)の共通の光路上に移動させる
ことを特徴とする請求項13に記載のプロセス。
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FR1558976A FR3041278B1 (fr) | 2015-09-23 | 2015-09-23 | Systeme et procede de fabrication additive par fusion laser d'un lit de poudre |
FR1558976 | 2015-09-23 | ||
PCT/FR2016/052401 WO2017051123A1 (fr) | 2015-09-23 | 2016-09-22 | Systeme et procede de fabrication additive par fusion laser d'un lit de poudre |
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EP (1) | EP3352974B1 (ja) |
JP (1) | JP6901470B2 (ja) |
KR (1) | KR20180074685A (ja) |
CN (1) | CN108136669A (ja) |
FR (1) | FR3041278B1 (ja) |
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CN106513996B (zh) * | 2016-12-30 | 2019-02-15 | 中国科学院宁波材料技术与工程研究所 | 全激光复合增材制造方法和装置 |
FR3066705B1 (fr) * | 2017-05-29 | 2022-12-02 | Commissariat Energie Atomique | Particule pour la realisation de pieces metalliques par impression 3d et procede de realisation de pieces metalliques |
CN108311697A (zh) * | 2018-01-22 | 2018-07-24 | 华南理工大学 | 一种集成双类型激光提高slm成型件表面质量的装置与方法 |
US20190381603A1 (en) * | 2018-06-15 | 2019-12-19 | Safran Landing Systems Canada Inc. | Hybrid additive manufacturing methods |
US20200016831A1 (en) * | 2018-07-16 | 2020-01-16 | The Boeing Company | Additive-manufacturing systems and methods |
KR102126289B1 (ko) | 2018-11-29 | 2020-06-26 | 한국생산기술연구원 | 레이저 입사직경 가변식 레이저 적층장치 |
WO2020165530A1 (fr) * | 2019-02-14 | 2020-08-20 | Safran | Procede de fabrication additive avec separation par zone secable |
KR102157874B1 (ko) | 2019-03-20 | 2020-09-18 | 조선대학교산학협력단 | 플라즈마 전자빔을 이용한 금속 적층 제조 공정용 분말공급장치 |
US12090705B2 (en) * | 2019-08-16 | 2024-09-17 | University Of Rochester | Additive manufacturing systems and methods |
CZ2020357A3 (cs) * | 2020-06-23 | 2021-05-19 | Univerzita Tomáše Bati ve Zlíně | Zařízení pro aditivní 3D tisk s konstrukčním řešením eliminace studených spojů |
JPWO2023037541A1 (ja) * | 2021-09-13 | 2023-03-16 | ||
CN114131046A (zh) * | 2021-11-26 | 2022-03-04 | 中国科学院上海光学精密机械研究所 | 一种利用地外行星原位资源制备高强度复杂构件的高效3d打印装置和方法 |
CN115178751A (zh) * | 2022-06-16 | 2022-10-14 | 中国科学院上海光学精密机械研究所 | 一种用于金属slm打印方法及其成型装置 |
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JP3446618B2 (ja) * | 1998-08-26 | 2003-09-16 | 松下電工株式会社 | 金属粉末焼結部品の表面仕上げ方法 |
US6433907B1 (en) * | 1999-08-05 | 2002-08-13 | Microvision, Inc. | Scanned display with plurality of scanning assemblies |
JP3446733B2 (ja) * | 2000-10-05 | 2003-09-16 | 松下電工株式会社 | 三次元形状造形物の製造方法及びその装置 |
JP4092091B2 (ja) * | 2001-07-13 | 2008-05-28 | 富士フイルム株式会社 | 光造形装置及び方法 |
DE10157647C5 (de) * | 2001-11-26 | 2012-03-08 | Cl Schutzrechtsverwaltungs Gmbh | Verfahren zur Herstellung von dreidimensionalen Werkstücken in einer Laser-Materialbearbeitungsanlage oder einer Stereolitographieanlage |
JP2004122490A (ja) * | 2002-09-30 | 2004-04-22 | Matsushita Electric Works Ltd | 三次元形状造形物の製造方法 |
DE102005030067A1 (de) * | 2005-06-27 | 2006-12-28 | FHS Hochschule für Technik, Wirtschaft und soziale Arbeit St. Gallen | Verfahren und Vorrichtung zur Herstellung eines dreidimensionalen Gegenstandes durch ein generatives 3D-Verfahren |
US20090079941A1 (en) * | 2007-09-20 | 2009-03-26 | Microvision, Inc. | Three-dimensional image projection system and method |
JP5250338B2 (ja) * | 2008-08-22 | 2013-07-31 | パナソニック株式会社 | 三次元形状造形物の製造方法、その製造装置および三次元形状造形物 |
JP2011191411A (ja) * | 2010-03-12 | 2011-09-29 | Aisin Seiki Co Ltd | 欠陥修正装置および方法 |
FR2987293B1 (fr) * | 2012-02-27 | 2014-03-07 | Michelin & Cie | Procede et appareil pour realiser des objets tridimensionnels a proprietes ameliorees |
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DE102012219196B3 (de) | 2012-10-22 | 2014-02-06 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Verfahren und Bearbeitungsmaschine zum Einstechen, Bohren oder Schneiden metallischer Werkstücke |
WO2014207751A2 (en) * | 2013-06-26 | 2014-12-31 | Jeldi Bala Anand | Method and device for selective laser sintering (sls) rapid prototype |
US9751260B2 (en) * | 2013-07-24 | 2017-09-05 | The Boeing Company | Additive-manufacturing systems, apparatuses and methods |
JP5931948B2 (ja) * | 2014-03-18 | 2016-06-08 | 株式会社東芝 | ノズル、積層造形装置、および積層造形物の製造方法 |
WO2015181772A1 (en) * | 2014-05-30 | 2015-12-03 | Prima Industrie S.P.A. | Laser operating machine for additive manufacturing by laser sintering and corresponding method |
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US11045907B2 (en) | 2021-06-29 |
WO2017051123A1 (fr) | 2017-03-30 |
JP2018537304A (ja) | 2018-12-20 |
EP3352974B1 (fr) | 2019-08-21 |
SG11201802388VA (en) | 2018-04-27 |
US20180272473A1 (en) | 2018-09-27 |
FR3041278B1 (fr) | 2017-11-03 |
FR3041278A1 (fr) | 2017-03-24 |
EP3352974A1 (fr) | 2018-08-01 |
KR20180074685A (ko) | 2018-07-03 |
CN108136669A (zh) | 2018-06-08 |
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