JP7264069B2 - 強度予測方法及びプログラム - Google Patents
強度予測方法及びプログラム Download PDFInfo
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- JP7264069B2 JP7264069B2 JP2020003636A JP2020003636A JP7264069B2 JP 7264069 B2 JP7264069 B2 JP 7264069B2 JP 2020003636 A JP2020003636 A JP 2020003636A JP 2020003636 A JP2020003636 A JP 2020003636A JP 7264069 B2 JP7264069 B2 JP 7264069B2
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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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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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
- 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/236—Driving means for motion in a direction within the plane of a layer
-
- 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
- B29C64/307—Handling of material to be used in additive manufacturing
-
- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- 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
- 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
- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/10—Additive manufacturing, e.g. 3D printing
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Description
図2は、構造物を製造し出荷するまでの一連の工程の流れを示すフローチャートである。図2に示すように、まず、作りたい造形モデルのCADデータや解析条件を入力としてCAE解析を実施する(ステップS101)。CAE解析は、構造解析、強度(応力や変形)、固有振動数、トポロジー最適化などの計算ができる一般的なCAEソフトに、以下で説明する、本実施の形態に係る、3Dプリンタで積層造形する構造物の強度を予測する強度予測方法を取り入れたものを用いて行う。
図3及び図4は、図2のステップ102における、構造物の積層造形で、ある層の上の層を形成している際に当該ある層に及ぼされる影響について説明する模式図である。ここで、図3及び図4に示されている矢印qは熱の流れを表す。また、図3における矢印P1、図4における矢印P2は、積層方向を示している。図3に示すように、造形する構造物のある層(第1の層W1)の上の層(第2の層W2)を形成するときに、第2の層W2に該当する部分にある金属粉末をレーザビームLの照射などにより溶融する。第2の層W2に該当する部分にある金属粉末を溶融するときに熱が生じ、この熱が第1の層W1に伝わる。第1の層W1の断面積に対し、第1の層W1の下の層(第3の層W3)の断面積が同程度である場合には、第2の層W2を形成しているときに生じる熱は、第1の層W1から第3の層W3へ伝わり、第3の層W3からさらに下の層へと拡散していく。
2 チャンバ
3 造形槽
4 ベースプレート
5 レーザ光源
6 粉末供給部
7 リコータ
8 ビーム走査機構
9 透光部
L レーザビーム
Claims (5)
- 3Dプリンタで積層造形する構造物の硬さを予測する強度予測方法であって、
前記構造物の積層造形において、第1の層の硬さを、前記第1の層を形成する際の第1の入熱量と、前記第1の層の上に積層される第2の層を形成する際に前記第1の層に及ぼされる第2の入熱量と、を考慮して予測し、
前記第2の入熱量は、前記第1の層が所定の温度以上かつ前記構造物の溶融温度未満になる期間の長さに基づいて算出される、強度予測方法。 - 前記第2の入熱量は、さらに、前記期間の温度変化を考慮して算出される、請求項1に記載の強度予測方法。
- 3Dプリンタで積層造形する構造物の硬さを予測するためのプログラムであって、
前記構造物の積層造形において、第1の層の硬さを、前記第1の層を形成する際の第1の入熱量と、前記第1の層の上に積層される第2の層を形成する際に前記第1の層に及ぼされる第2の入熱量と、を考慮して予測し、
前記第2の入熱量は、前記第1の層が所定の温度以上かつ前記構造物の溶融温度未満になる期間の長さに基づいて算出される、処理をコンピュータに実行させる、プログラム。 - 前記第2の入熱量は、さらに、前記期間の温度変化を考慮して算出される、請求項3に記載のプログラム。
- 所定の温度は、ユーザーが設定することが可能である、請求項3または4に記載のプログラム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2020003636A JP7264069B2 (ja) | 2020-01-14 | 2020-01-14 | 強度予測方法及びプログラム |
US17/109,279 US20210213686A1 (en) | 2020-01-14 | 2020-12-02 | Strength prediction method and storage medium |
DE102020132378.6A DE102020132378A1 (de) | 2020-01-14 | 2020-12-07 | Festigkeitsvorhersageverfahren und Speichermedium |
CN202011551502.5A CN113118464B (zh) | 2020-01-14 | 2020-12-24 | 强度预测方法和存储介质 |
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JP2020003636A JP7264069B2 (ja) | 2020-01-14 | 2020-01-14 | 強度予測方法及びプログラム |
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JP2021109401A JP2021109401A (ja) | 2021-08-02 |
JP7264069B2 true JP7264069B2 (ja) | 2023-04-25 |
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US (1) | US20210213686A1 (ja) |
JP (1) | JP7264069B2 (ja) |
CN (1) | CN113118464B (ja) |
DE (1) | DE102020132378A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017177462A (ja) | 2016-03-29 | 2017-10-05 | 東レエンジニアリング株式会社 | 構造物の強度予測方法、構造物の造形方法、構造物の積層造形支援方法およびプログラム |
WO2018140019A1 (en) | 2017-01-26 | 2018-08-02 | Siemens Product Lifecycle Management Software Inc. | System and method for adaptive domain reduction for thermo-structural simulation of additive manufacturing process |
JP2018169799A (ja) | 2017-03-30 | 2018-11-01 | 東レエンジニアリング株式会社 | 解析用メッシュ生成方法、プログラム、記憶媒体、および解析用メッシュ生成装置 |
WO2019239531A1 (ja) | 2018-06-13 | 2019-12-19 | 株式会社ニコン | 演算装置、検出システム、造形装置、演算方法、検出方法、造形方法、演算プログラム、検出プログラムおよび造形プログラム |
Family Cites Families (8)
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JPH11156909A (ja) * | 1997-12-01 | 1999-06-15 | Japan Steel Works Ltd:The | 多層射出成形品の融着部強度の予測方法 |
RU2507032C2 (ru) * | 2009-07-15 | 2014-02-20 | Аркам Аб | Способ и устройство для создания трехмерных объектов |
JP6514370B2 (ja) | 2015-06-12 | 2019-05-15 | マテリアライズ・ナムローゼ・フエンノートシャップMaterialise Nv | 付加製造における一貫性を熱画像化手段により確かめるためのシステムと方法 |
WO2017186278A1 (en) * | 2016-04-26 | 2017-11-02 | Hewlett-Packard Development Company, L P | Adjusting operational characteristics of additive manufacturing apparatus |
EP3429826B1 (en) * | 2016-05-12 | 2022-05-04 | Hewlett-Packard Development Company, L.P. | Managing thermal contributions between layers during additive manufacturing |
CN107952959B (zh) * | 2016-10-16 | 2019-12-27 | 北京航空航天大学 | 激光熔化沉积增材制造构件空间晶粒形态预测方法 |
WO2019209301A1 (en) * | 2018-04-26 | 2019-10-31 | Hewlett-Packard Development Company, L.P. | Printing production quality prediction |
JP2022527454A (ja) * | 2019-03-22 | 2022-06-02 | マテリアライズ・ナムローゼ・フエンノートシャップ | シミュレーションを用いた添加剤製造のための過熱を予測するためのシステムおよび方法 |
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- 2020-01-14 JP JP2020003636A patent/JP7264069B2/ja active Active
- 2020-12-02 US US17/109,279 patent/US20210213686A1/en not_active Abandoned
- 2020-12-07 DE DE102020132378.6A patent/DE102020132378A1/de active Pending
- 2020-12-24 CN CN202011551502.5A patent/CN113118464B/zh active Active
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JP2017177462A (ja) | 2016-03-29 | 2017-10-05 | 東レエンジニアリング株式会社 | 構造物の強度予測方法、構造物の造形方法、構造物の積層造形支援方法およびプログラム |
WO2018140019A1 (en) | 2017-01-26 | 2018-08-02 | Siemens Product Lifecycle Management Software Inc. | System and method for adaptive domain reduction for thermo-structural simulation of additive manufacturing process |
JP2018169799A (ja) | 2017-03-30 | 2018-11-01 | 東レエンジニアリング株式会社 | 解析用メッシュ生成方法、プログラム、記憶媒体、および解析用メッシュ生成装置 |
WO2019239531A1 (ja) | 2018-06-13 | 2019-12-19 | 株式会社ニコン | 演算装置、検出システム、造形装置、演算方法、検出方法、造形方法、演算プログラム、検出プログラムおよび造形プログラム |
Non-Patent Citations (1)
Title |
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笹原弘之ら,溶融金属積層における造形条件と強度・金属組織に関する研究,精密工学会誌,日本,2012年,Vol.78,No.5,p.415-419 |
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Publication number | Publication date |
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JP2021109401A (ja) | 2021-08-02 |
DE102020132378A1 (de) | 2021-07-15 |
CN113118464B (zh) | 2023-04-28 |
CN113118464A (zh) | 2021-07-16 |
US20210213686A1 (en) | 2021-07-15 |
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