JP6845261B2 - 積層造形のための方法および多目的粉末除去機構 - Google Patents
積層造形のための方法および多目的粉末除去機構 Download PDFInfo
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
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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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- B29C64/35—Cleaning
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- 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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- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
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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
- B33Y80/00—Products made by additive manufacturing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
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- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- 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
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- B22—CASTING; POWDER METALLURGY
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
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- B22F2003/247—Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
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- F05D2230/20—Manufacture essentially without removing material
- F05D2230/22—Manufacture essentially without removing material by sintering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Powder Metallurgy (AREA)
Description
[実施態様1]
物体を作製するための方法であって、
(a)融合領域を形成するために、粉末床内の粉末層にエネルギービームを一連の走査線において照射するステップと、
(b)粉末床の上で粉末床の第1の面から粉末床の第2の面へとリコータアームを通過させることにより、後続の粉末層を提供するステップと、
(c)物体が粉末床内に形成されるまで、ステップ(a)および(b)を繰り返すステップと
を含み、物体は、
第1の方向において第1の表面(412)と第2の表面(422)との間の幅(432)を有する通路(430)を画定するように、第1の表面(412)を有する第1の壁(410)および第1の表面(412)に面する第2の表面(422)を有する第2の壁(420)と
第1の壁(410)と第2の壁(420)とを接続する拡大された粉末除去機構(440)であり、拡大された粉末除去機構(440)は、第1の方向の幅(432)よりも大きな内寸(442)と、第1の幅(432)と交差する方向の少なくとも1つの開放端とを有する、拡大された粉末除去機構(440)と
を含む、方法。
[実施態様2]
(d)少なくとも1つの開放端部を介して通路(430)から未融合粉末を除去するステップ
をさらに含む、実施態様1に記載の方法。
[実施態様3]
(e)細長い物体を粉末除去機構(440)に通すステップ
をさらに含む、実施態様2に記載の方法。
[実施態様4]
粉末除去機構(440)が、第1の壁(410)の第1の端部を第2の壁(420)の第1の端部に接続する、実施態様1に記載の方法。
[実施態様5]
物体が、第1の壁(410)の第2の端部を第2の壁(420)の第2の端部に接続する第2の拡大粉末除去機構(440)をさらに含む、実施態様4に記載の方法。
[実施態様6]
幅(432)が、第1の表面(412)および第2の表面(422)にわたって実質的に一定である、実施態様1に記載の方法。
[実施態様7]
物体が、規則的に離間された複数の粉末除去機構(440)を含む、実施態様1に記載の方法。
[実施態様8]
粉末除去機構(440)が、半環状壁(444)によって画定された中空カラムであり、中空カラムが通路(430)と流体連通している、実施態様1に記載の方法。
[実施態様9]
少なくとも1つの開放端が、中空カラムの長手方向端部に位置する、実施態様1に記載の方法。
[実施態様10]
物体が環状であり、第1の壁(410)が物体の円弧状部分の外壁であり、第2の壁(420)が物体の円弧状部分の内壁である、実施態様1に記載の方法。
[実施態様11]
粉末除去機構(440)が、第1の壁(410)および第2の壁(420)に接続された半環状壁(444)によって画定される非線形の管である、実施態様1に記載の方法。
[実施態様12]
エンジン構成要素であって、
第1の方向において第1の表面(412)と第2の表面(422)との間の幅(432)を有する通路(430)を画定するように、第1の表面(412)を有する第1の壁(410)と、第1の表面(412)に対向する第2の表面(422)を有する第2の壁(420)と、
第1の壁(410)と第2の壁(420)とを接続する拡大された粉末除去機構(440)であり、拡大された粉末除去機構(440)は、第1の方向の幅(432)よりも大きな内寸(442)と、第1の幅(432)と交差する方向の少なくとも1つの開放端とを有する、拡大された粉末除去機構(440)と
を備える、エンジン構成要素。
[実施態様13]
粉末除去機構(440)が、第1の壁(410)の第1の端部を第2の壁(420)の第1の端部に接続する、実施態様12に記載のエンジン構成要素。
[実施態様14]
第1の壁(410)の第2の端部を第2の壁(420)の第2の端部に接続する第2の拡大された粉末除去機構(440)をさらに備える、実施態様13に記載のエンジン構成要素。
[実施態様15]
幅(432)が、第1の表面(412)および第2の表面(422)にわたって実質的に一定である、実施態様12に記載のエンジン構成要素。
[実施態様16]
エンジン構成要素が、規則的に離間された複数の粉末除去機構(440)を含む、実施態様12に記載のエンジン構成要素。
[実施態様17]
粉末除去機構(440)が、半環状壁(444)によって画定された中空カラムであり、中空カラムが通路(430)と流体連通している、実施態様12に記載のエンジン構成要素。
[実施態様18]
少なくとも1つの開放端が、中空カラムの長手方向端部に位置する、実施態様12に記載のエンジン構成要素。
[実施態様19]
エンジン構成要素が環状であり、第1の壁(410)がエンジン構成要素の円弧状部分の外壁であり、第2の壁(420)がエンジン構成要素の円弧状部分の内壁である、実施態様12に記載のエンジン構成要素。
[実施態様20]
粉末除去機構(440)が、第1の壁(410)および第2の壁(420)に接続された半環状壁(444)によって画定される非線形の管である、実施態様12に記載のエンジン構成要素。
114 ビルドプレート
116 リコータアーム
118 粉末レベル
120 レーザ
122 部品
126 リザーバ
128 廃棄物容器
134 方向
136 エネルギービーム
200 多壁構造
210 第1の壁
220 第2の壁
230 通路
300 多壁構造
310 壁
320 壁
330 通路
340 粉末除去孔
400 多壁構造
410 壁
412 表面
420 壁
422 表面
430 通路
432 幅
440 粉末除去機構
442 内寸
444 半環状壁
446 膨出部
600 多壁構造
602 円弧状セグメント
610 外壁
620 内壁
630 通路
640 粉末除去機構
646 膨出部
700 多壁構造
710 壁
720 壁
730 壁
740 第1の空間
750 第2の空間
760 粉末除去機構
770 粉末除去機構
800 多壁構造
810 外壁
812 湾曲部分
820 内壁
822 湾曲部分
830 空間
840 粉末除去機構、非線形粉末除去機構
842 内寸
844 半環状壁
Claims (9)
- 物体を作製するための方法であって、
(a)融合領域を形成するために、粉末床内の粉末層にエネルギービームを一連の走査線において照射するステップと、
(b)前記粉末床の上で前記粉末床の第1の面から前記粉末床の第2の面へとリコータアームを通過させることにより、後続の粉末層を提供するステップと、
(c)前記物体が前記粉末床内に形成されるまで、ステップ(a)および(b)を繰り返すステップと、
を含み、前記物体は多壁構造を含み、前記多壁構造は、
半径方向において第1の表面(412)と第2の表面(422)とは、それらの間の幅(432)を有する通路(430)を画定し、半径方向内側に向いた前記第1の表面(412)を有する第1の円弧形状の壁(410)と、前記第1の表面(412)に面し半径方向外側に向いた第2の表面(422)を有し、前記第1の円弧形状の壁(410)から半径方向内側に設けられ、前記第1の円弧形状の壁(410)に対して同心に設けられた第2の円弧形状の壁(420)と、
前記第1の円弧形状の壁(410)と前記第2の円弧形状の壁(420)とを接続し、前記半径方向の幅(432)よりも大きな内寸(442)と、粉末除去機構(440)の長手方向に少なくとも1つの開放端とを有する、前記粉末除去機構(440)と
を含み、
前記粉末除去機構(440)が、半環状壁によって画定された中空カラムを含み、前記中空カラムが前記通路(430)と流体連通している、方法。 - (d)前記少なくとも1つの開放端を介して通路(430)から未融合粉末を除去するステップ
をさらに含む、請求項1に記載の方法。 - (e)細長い物体を前記粉末除去機構(440)に通すステップ
をさらに含む、請求項2に記載の方法。 - 前記粉末除去機構(440)が、前記第1の円弧形状の壁(410)の第1の端部を前記第2の円弧形状の壁(420)の第1の端部に接続する、請求項1に記載の方法。
- 物体が、前記第1の円弧形状の壁(410)の第2の端部を前記第2の円弧形状の壁(420)の第2の端部に接続する第2の粉末除去機構をさらに含む、請求項4に記載の方法。
- 前記幅(432)が、前記第1の表面(412)および前記第2の表面(422)にわたって実質的に一定である、請求項1に記載の方法。
- 前記物体が、規則的に離間された複数の粉末除去機構(440)を含む、請求項1に記載の方法。
- 前記半環状壁によって画定された前記中空カラムが、前記第1の円弧形状の壁及び前記第2の円弧形状の壁のうち少なくとも一方から半径方向内側又は半径方向外側に突出する、請求項1に記載の方法。
- 前記少なくとも1つの開放端が、前記中空カラムの長手方向端部に位置する、請求項1に記載の方法。
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