JP2011121364A - 三次元物体の製造方法 - Google Patents
三次元物体の製造方法 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
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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]
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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
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
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- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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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
- B33Y70/00—Materials specially adapted for additive manufacturing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
【解決手段】造形材料の固化により三次元物体を層状に造形する三次元物体の製造方法において、目的とする三次元物体3と共に、同じ造形空間内で試験片20が造形され、造形完了後、前記試験片は励振され、機械的振動を生じさせ、さらに、前記振動の固有振動数が測定される。前記固有振動数から、目的とする三次元物体の機械特性が推定できる。
【選択図】図1
Description
Claims (19)
- 固化する造形材料から層状に造形される三次元物体の製造方法において、試験片(20)が造形され、前記造形後、前記試験片は励振され、機械的振動を生じさせ、さらに、前記振動の固有振動数が測定されることを特徴とする三次元物体の製造方法。
- 前記固有振動数は、音響的、光学的、及び/又は誘導的な方法により測定されることを特徴とする請求項1に記載の方法。
- 前記試験片(20)は、一又はいくつかの主要固有振動モードを含む幾何学的形状を有していることを特徴とする請求項1又は2に記載の方法。
- 前記試験片(20)は、好ましくは矩形断面を有する棒状体(bar)であることを特徴とする請求項1乃至3の何れか一項に記載の方法。
- 前記試験片(20)は、製造される前記物体(3)の造形工程とは異なる造形工程において造形されることを特徴とする請求項1乃至4の何れか一項に記載の方法。
- 前記試験片(20)は、製造される前記物体(3)と同一の造形工程において造形されることを特徴とする請求項1乃至5の何れか一項に記載の方法。
- 前記試験片(20)の少なくとも一の測定された固有振動数は基準試験片の既知の固有振動数と比較されることを特徴とする請求項1乃至6の何れか一項に記載の方法。
- 製造される前記構造部材(3)の材料特性は、前記試験片(20)の前記測定された固有振動数から測定されることを特徴とする請求項1乃至7の何れか一項に記載の方法。
- 前記造形工程及び/又は造形装置における前記試験片(20)の特性は、前記測定された固有振動数から測定されることを特徴とする請求項1乃至8の何れか一項に記載の方法。
- 前記試験片(20)は、完成後固定され、励振・振動されることを特徴とする請求項1乃至9の何れか一項に記載の方法。
- 前記試験片(20)は、取り外し可能な造形台(30)に又は製造される前記物体(3)に造形かつ接続され、完成後、前記造形台上又は前記物体上において、励振・振動されることを特徴とする請求項1乃至9の何れか一項に記載の方法。
- 前記造形材料は一方向又は反対方向に塗布され、前記試験片は、塗布平面においてその主振動方向が塗布方向に対して実質的に直交する方向に造形されることを特徴とする請求項1乃至11の何れか一項に記載の方法。
- 音声データファイルは、音響振動数解析で生成され、前記固有振動数を測定するためにフーリエ変換が行われることを特徴とする請求項1乃至12の何れか一項に記載の方法。
- 前記試験片の前記振動は、例えば、高速距離計を用いて、光学振動数解析における非接触手段で記録されることを特徴とする請求項1乃至13の何れか一項に記載の方法。
- 少なくとも2つの試験片(20)は、同時に又は時間的に間隔をおいて、造形空間における異なる場所に作成されることを特徴とする請求項1乃至14の何れか一項に記載の方法。
- 前記物体は、各層において前記物体に対応する場所に電磁放射又は粒子放射を用いて、造形材料を層状に固化することで製造されることを特徴とする請求項1乃至15の何れか一項に記載の方法。
- 粉末状の造形材料が用いられ、レーザー光線は電磁放射として用いられることを特徴とする請求項1乃至16の何れか一項に記載の方法。
- 前記三次元物体は、動作可能な連続生産部材であり、前記部材の前記品質試験は、各部材と共に造形された試験片の固有振動数の測定を用いて行われることを特徴とする請求項1乃至17の何れか一項に記載の方法。
- 前記固有振動数の前記測定は単一励振の後行われることを特徴とする請求項1乃至18の何れか一項に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009055661A DE102009055661A1 (de) | 2009-11-25 | 2009-11-25 | Verfahren zum Herstellen eines dreidimensionalen Objekts |
DE102009055661.3 | 2009-11-25 |
Publications (2)
Publication Number | Publication Date |
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JP2011121364A true JP2011121364A (ja) | 2011-06-23 |
JP5662117B2 JP5662117B2 (ja) | 2015-01-28 |
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JP2010262551A Expired - Fee Related JP5662117B2 (ja) | 2009-11-25 | 2010-11-25 | 三次元物体の製造方法 |
Country Status (4)
Country | Link |
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US (1) | US8501075B2 (ja) |
EP (1) | EP2327535B1 (ja) |
JP (1) | JP5662117B2 (ja) |
DE (1) | DE102009055661A1 (ja) |
Cited By (5)
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JP2015199197A (ja) * | 2014-04-04 | 2015-11-12 | 株式会社松浦機械製作所 | 三次元造形装置及び三次元形状造形物の製造方法 |
KR101913979B1 (ko) | 2014-10-01 | 2018-10-31 | 파나소닉 아이피 매니지먼트 가부시키가이샤 | 삼차원 형상 조형물의 제조 방법 |
JP2019504998A (ja) * | 2016-01-28 | 2019-02-21 | シーメンス アクティエンゲゼルシャフト | 付加製造されるべき部材を検査するための方法及び装置 |
JP2019217517A (ja) * | 2018-06-18 | 2019-12-26 | 株式会社神戸製鋼所 | 積層造形物の製造方法、及び積層造形物の検査方法 |
JP7449169B2 (ja) | 2020-05-27 | 2024-03-13 | 株式会社東芝 | 造形物製造方法 |
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GB0816308D0 (en) | 2008-09-05 | 2008-10-15 | Mtt Technologies Ltd | Optical module |
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JP6979963B2 (ja) | 2016-02-18 | 2021-12-15 | ヴェロ・スリー・ディー・インコーポレイテッド | 正確な3次元印刷 |
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US20180186080A1 (en) | 2017-01-05 | 2018-07-05 | Velo3D, Inc. | Optics in three-dimensional printing |
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DE102017208699A1 (de) | 2017-05-23 | 2018-11-29 | Siemens Aktiengesellschaft | Verfahren zur Materialdiagnose in der additiven Fertigung |
US11029666B2 (en) | 2017-11-17 | 2021-06-08 | Raytheon Technologies Corporation | Fabrication of process-equivalent test specimens of additively manufactured components |
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JP7287732B1 (ja) * | 2022-10-25 | 2023-06-06 | 株式会社松浦機械製作所 | 三次元成形方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03243845A (ja) * | 1990-02-21 | 1991-10-30 | Masaru Sakata | 衝撃音による固体材料の弾性係数計測方法及びその装置 |
JPH0587559U (ja) * | 1991-11-15 | 1993-11-26 | 功 児玉 | 弾性率測定装置 |
JPH075088A (ja) * | 1993-06-18 | 1995-01-10 | Kumamoto Pref Gov | ヤング率測定装置 |
JP2005002472A (ja) * | 2003-06-10 | 2005-01-06 | Boeing Co:The | ラピッド・プロトタイピング機械、選択的レーザ焼結機械、およびジャストインタイムの在庫システム用の自動化された製造プロセスからの製造部品を改良するための方法 |
JP2009173781A (ja) * | 2008-01-25 | 2009-08-06 | Cmet Inc | 光学的立体造形用樹脂組成物 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19502756A1 (de) * | 1995-01-30 | 1996-08-01 | Busse Gerd Prof Dr Rer Nat Hab | Verfahren und Vorrichtung zur berührungslosen Schwingungsanalyse von Bauteilen |
US5659478A (en) * | 1995-02-21 | 1997-08-19 | Motorola, Inc. | Rapid product realization process |
US7185546B2 (en) * | 2004-06-14 | 2007-03-06 | Ascenx | Systems and methods for measuring belt tension |
-
2009
- 2009-11-25 DE DE102009055661A patent/DE102009055661A1/de not_active Ceased
-
2010
- 2010-11-24 EP EP10192356.3A patent/EP2327535B1/de not_active Not-in-force
- 2010-11-24 US US12/953,856 patent/US8501075B2/en not_active Expired - Fee Related
- 2010-11-25 JP JP2010262551A patent/JP5662117B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03243845A (ja) * | 1990-02-21 | 1991-10-30 | Masaru Sakata | 衝撃音による固体材料の弾性係数計測方法及びその装置 |
JPH0587559U (ja) * | 1991-11-15 | 1993-11-26 | 功 児玉 | 弾性率測定装置 |
JPH075088A (ja) * | 1993-06-18 | 1995-01-10 | Kumamoto Pref Gov | ヤング率測定装置 |
JP2005002472A (ja) * | 2003-06-10 | 2005-01-06 | Boeing Co:The | ラピッド・プロトタイピング機械、選択的レーザ焼結機械、およびジャストインタイムの在庫システム用の自動化された製造プロセスからの製造部品を改良するための方法 |
JP2009173781A (ja) * | 2008-01-25 | 2009-08-06 | Cmet Inc | 光学的立体造形用樹脂組成物 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015199197A (ja) * | 2014-04-04 | 2015-11-12 | 株式会社松浦機械製作所 | 三次元造形装置及び三次元形状造形物の製造方法 |
KR101913979B1 (ko) | 2014-10-01 | 2018-10-31 | 파나소닉 아이피 매니지먼트 가부시키가이샤 | 삼차원 형상 조형물의 제조 방법 |
JP2019504998A (ja) * | 2016-01-28 | 2019-02-21 | シーメンス アクティエンゲゼルシャフト | 付加製造されるべき部材を検査するための方法及び装置 |
US11703481B2 (en) | 2016-01-28 | 2023-07-18 | Siemens Energy Global Gmbh & Co. | Method for checking a component to be produced in an additive manner, and device |
JP2019217517A (ja) * | 2018-06-18 | 2019-12-26 | 株式会社神戸製鋼所 | 積層造形物の製造方法、及び積層造形物の検査方法 |
JP6997040B2 (ja) | 2018-06-18 | 2022-01-17 | 株式会社神戸製鋼所 | 積層造形物の製造方法、及び積層造形物の検査方法 |
JP7449169B2 (ja) | 2020-05-27 | 2024-03-13 | 株式会社東芝 | 造形物製造方法 |
Also Published As
Publication number | Publication date |
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JP5662117B2 (ja) | 2015-01-28 |
EP2327535A1 (de) | 2011-06-01 |
DE102009055661A1 (de) | 2011-05-26 |
EP2327535B1 (de) | 2013-08-07 |
US20110121492A1 (en) | 2011-05-26 |
US8501075B2 (en) | 2013-08-06 |
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