JP2017140830A - 積層造形法のための方法及びその周囲の支持体 - Google Patents
積層造形法のための方法及びその周囲の支持体 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000000654 additive Substances 0.000 title abstract description 12
- 230000000996 additive effect Effects 0.000 title abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 81
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 description 17
- 230000008018 melting Effects 0.000 description 17
- 239000000463 material Substances 0.000 description 13
- 238000005245 sintering Methods 0.000 description 9
- 238000012805 post-processing Methods 0.000 description 8
- 238000000149 argon plasma sintering Methods 0.000 description 6
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- 229910052751 metal Inorganic materials 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
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- 239000002699 waste material Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
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- 238000010894 electron beam technology Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
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- 238000000110 selective laser sintering Methods 0.000 description 1
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- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
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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
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
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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
- B29C64/40—Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/40—Structures for supporting workpieces or articles during manufacture and removed afterwards
- B22F10/47—Structures for supporting workpieces or articles during manufacture and removed afterwards characterised by structural features
-
- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/66—Treatment of workpieces or articles after build-up by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
-
- 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
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Powder Metallurgy (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
【解決手段】本開示は、一般的には、物体を造形するプロセスで周囲の支持構造体を利用する積層造形法(AM)のための方法、並びにこれらのAM処理内で使用される新規な周囲の支持構造体に関する。支持構造体は、支持構造体と物体との間に配置された粉末の連続的な厚さを伴って物体の少なくとも一部を囲み、粉末の連続的な厚さは10mmを超えない最大厚さを有する。
【選択図】図2
Description
2016年2月11日出願の米国特許出願番号[]、代理人整理番号037216.00009の名称「METHOD AND CONNECTING SUPPORTS FOR ADDITIVE MANUFACTURING」、
2016年2月11日出願の米国特許出願番号[]、代理人整理番号037216.00011の名称「METHODS AND KEYWAY SUPPORTS FOR ADDITIVE MANUFACTURING」、
2016年2月11日出願の米国特許出願番号[]、代理人整理番号037216.00012の名称「METHODS AND BREAKABLE SUPPORTS FOR ADDITIVE MANUFACTURING」、
2016年2月11日出願の米国特許出願番号[]、代理人整理番号037216.00014の名称「METHODS AND LEADING EDGE SUPPORTS FOR ADDITIVE MANUFACTURING」、及び、
2016年2月11日出願の米国特許出願番号[]、代理人整理番号037216.00015の名称「METHOD AND SUPPORTS WITH POWDER REMOVAL PORTS FOR ADDITIVE MANUFACTURING」、
これらの出願の各々の開示内容は、他の物体を製造するために、本明細書に開示された支持構造体と併せて使用することができる追加の支持構造体をそれらが開示する程度に、全体として本明細書に組み込まれる。
114 造形プレート
116 リコータアーム
118 粉末レベル
120 レーザー
122 部品
126 リザーバ
128 廃棄物容器
132 ガルボスキャナ
136 エネルギービーム
200 支持構造体
202 円筒状の内側形状
204 矢印
206 空間
210 物体
214 連結リブ
216 空間
310 物体
400 支持構造体
406 空間
410 物体
500 支持構造体
506 空間
510 物体
514 連結リブ
Claims (19)
- 物体を製造するための方法であって、
(a)溶融領域を形成するために、粉末ベッド内の粉末の層に照射するステップと、
(b)粉末ベッドの第1の側から粉末ベッドの上にリコータアームを通過させることによって、粉末ベッドの上に粉末の次の層を提供するステップと、
(c)物体及び1以上の支持構造体が粉末ベッド内に形成されるまで、ステップ(a)及び(b)を繰り返すステップとを含み、
支持構造体は、支持構造体と物体との間に配置された粉末の連続的な厚さを伴って物体の少なくとも一部を囲み、粉末の連続的な厚さは、10mmを超えない最大厚さを有する、方法。 - 物体が、高さ及び2つの端面を有するシリンダ形状を含む、請求項1に記載の方法。
- 支持構造体が、シリンダの高さ全体を囲む、請求項2に記載の方法。
- 支持構造体が、端面を囲わない、請求項3に記載の方法。
- 支持構造体が1以上の連結リブを含む、請求項1に記載の方法。
- 1以上の連結リブが物体と一体に形成される、請求項5に記載の方法。
- 支持構造体が内部キャビティを画成する内面を含み、キャビティが物体と適合する形状を有し、粉末がキャビティ内に配置される、請求項1に記載の方法。
- 物体が、内面に接触することなく、キャビティ内に配置される、請求項7に記載の方法。
- 支持構造体の内面から物体の外面までの距離(A)と物体の幅(B)との比(A:B)が約1:1〜約1:6である、請求項8に記載の方法。
- 支持構造体が、物体と内面との間の領域にまたがる1以上の連結リブを含む、請求項8に記載の方法。
- 物体から支持構造体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。
- 物体が2.5超のアスペクト比を有する、請求項1に記載の方法。
- 支持構造体が、支持構造体の高さに沿って増分的に離間された複数の連結リブを含む、請求項1に記載の方法。
- 支持構造体が、支持構造体の内周面に沿って増分的に離間された複数の連結リブを含む、請求項1に記載の方法。
- 支持構造体が矩形形状の外側輪郭を含む、請求項3に記載の方法。
- 支持構造体がシリンダ形状の内側輪郭を含む、請求項15に記載の方法。
- 粉末の連続的な厚さが0.1mm〜10mmの厚さを有する、請求項1に記載の方法。
- 粉末の連続的な厚さが0.5mm〜5mmの厚さを有する、請求項1に記載の方法。
- 粉末の連続的な厚さが0.5mm〜1mmの厚さを有する、請求項1に記載の方法。
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US15/041,973 | 2016-02-11 | ||
US15/041,973 US10549478B2 (en) | 2016-02-11 | 2016-02-11 | Methods and surrounding supports for additive manufacturing |
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JP2017140830A true JP2017140830A (ja) | 2017-08-17 |
JP6475766B2 JP6475766B2 (ja) | 2019-02-27 |
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EP (1) | EP3205421A1 (ja) |
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