JP6824652B2 - 3次元造形方法、および3次元造形物の製造装置 - Google Patents
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Description
図1に本発明を実施可能な3次元造形装置の構成の一例を示す。以下、図1の装置によって、本発明の3次元造形物の製造装置の一実施例を説明するとともに、併せて本発明による3次元造形物の製造方法、特に敷設した各層の材料粉末を固化させるエネルギービームの照射出力を制御する手法についても詳細に説明する。
図7に、表面状態測定装置(カメラ7)で取得した撮影表面の表面状態に係る情報、例えばその均一性(U)に応じて選択すべき造形レーザユニット5の照射出力値Lp(大:Lph、または小:Lpl)の関係を示す。
Claims (10)
- 造形エリアに敷設した材料粉末の一部にエネルギービームを照射して前記材料粉末を固化させて固化層を形成し、形成した前記固化層の上にさらに材料粉末を敷設してその一部にエネルギービームを照射して前記材料粉末を固化させる工程を含む3次元造形物の製造方法において、
制御装置が、表面状態測定装置から、前記造形エリアに敷設された前記材料粉末の表面状態の測定情報としての表面粗さの情報を取得する測定情報取得工程と、
前記制御装置が、前記測定情報取得工程で取得した表面状態の測定情報に基づき、当該の前記材料粉末に照射するエネルギービームの照射出力を制御する照射出力制御工程と、
を備え、
前記制御装置は、前記表面状態測定装置で取得した前記造形エリアに敷設された前記材料粉末の特定部位の前記表面粗さの情報に基づき、前記照射出力制御工程において、当該の特定部位を固化させるために照射する前記エネルギービームの照射出力を決定する3次元造形物の製造方法。 - 請求項1に記載の3次元造形物の製造方法において、前記照射出力制御工程において、前記表面状態の測定情報としての表面粗さが小さい場合は、表面粗さが大きい場合よりも前記エネルギービームの照射出力を大きくする3次元造形物の製造方法。
- 請求項1または2に記載の3次元造形物の製造方法において、前記表面状態測定装置は前記造形エリアを含む撮像領域の画像を撮像する撮像装置を含み、
前記制御装置は、前記撮像装置で撮像した画像から、前記表面粗さの情報を取得する3次元造形物の製造方法。 - 請求項3に記載の3次元造形物の製造方法において、前記制御装置は、前記撮像装置で撮像した画像の、濃度または輝度の平均値またはその分布情報から、前記表面粗さの情報を取得する3次元造形物の製造方法。
- 請求項3に記載の3次元造形物の製造方法において、前記制御装置は、前記撮像装置で撮像した画像の空間周波数から、前記表面粗さの情報を取得する3次元造形物の製造方法。
- 請求項1から5のいずれか1項に記載の3次元造形物の製造方法において、前記エネルギービームがレーザビームである3次元造形物の製造方法。
- 請求項1から6のいずれか1項に記載の3次元造形物の製造方法における前記測定情報取得工程と前記照射出力制御工程を前記制御装置に実行させるための制御プログラム。
- 請求項7に記載の制御プログラムを格納したコンピュータ読み取り可能な記録媒体。
- 造形エリアに敷設した材料粉末の一部にエネルギービームを照射して前記材料粉末を固化させて固化層を形成し、形成した前記固化層の上にさらに材料粉末を敷設してその一部にエネルギービームを照射して前記材料粉末を固化させる3次元造形物の製造装置は、制御装置を備え、
前記制御装置は、表面状態測定装置から、前記造形エリアに敷設された前記材料粉末の表面状態の測定情報としての表面粗さの情報を取得する測定情報取得工程と、
前記測定情報取得工程で取得した表面状態の測定情報に基づき、当該の前記材料粉末に照射するエネルギービームの照射出力を制御する照射出力制御工程と、を実行し、
前記制御装置は、前記表面状態測定装置で取得した前記造形エリアに敷設された前記材料粉末の特定部位の前記表面粗さの情報に基づき、前記照射出力制御工程において、当該の特定部位を固化させるために照射する前記エネルギービームの照射出力を決定する3次元造形物の製造装置。 - 請求項9に記載の3次元造形物の製造装置において、前記照射出力制御工程において、前記表面状態の測定情報としての表面粗さが小さい場合は、表面粗さが大きい場合よりも前記エネルギービームの照射出力を大きくする3次元造形物の製造装置。
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CN108145966A (zh) * | 2018-01-26 | 2018-06-12 | 中国科学院金属研究所 | 一种激光送粉3d打印系统用铺粉装置 |
JP2019142015A (ja) * | 2018-02-16 | 2019-08-29 | 株式会社日立製作所 | 付加製造装置 |
US10620103B2 (en) * | 2018-05-15 | 2020-04-14 | Honeywell International Inc. | Devices and methods for evaluating the spreadability of powders utilized in additive manufacturing |
FR3081375B1 (fr) * | 2018-05-25 | 2021-12-24 | Addup | Methode de preparation de la surface superieure d'un plateau de fabrication additive par depot de lit de poudre |
EP3581297A1 (de) | 2018-06-12 | 2019-12-18 | Siemens Aktiengesellschaft | Verfahren zum bestimmen von bauvorschriften für ein additives fertigungsverfahren, verfahren zum erstellen einer datenbank mit korrekturmassnahmen für die prozessführung eines additiven fertigungsverfahrens, speicherformat für bauanweisungen und computer-programmprodukt |
JP7216362B2 (ja) * | 2018-07-17 | 2023-02-01 | 株式会社フジミインコーポレーテッド | 三次元造形方法、三次元造形装置およびこれに用いる基材 |
KR102144713B1 (ko) * | 2018-08-06 | 2020-08-18 | 한국생산기술연구원 | 광 조사 패턴 제어 가능한 3d 프린팅 장치 및 이를 이용한 3d 프린팅 방법 |
US11511351B2 (en) * | 2018-08-10 | 2022-11-29 | Canon Kabushiki Kaisha | Additive manufacturing apparatus and method for manufacturing three-dimensionally shaped object |
KR102214404B1 (ko) * | 2018-10-24 | 2021-02-09 | 한국철도기술연구원 | 3d 프린팅에 이용되는 파우더 적층 장치 및 이를 이용한 3d 프린팅 방법 |
JP7321624B2 (ja) * | 2018-12-25 | 2023-08-07 | エルジー・ケム・リミテッド | 成形装置及び成形体の製造方法 |
JP7254600B2 (ja) * | 2019-04-16 | 2023-04-10 | 株式会社日立製作所 | 付加製造装置、および、付加製造方法 |
JP6869626B2 (ja) | 2019-06-07 | 2021-05-12 | 株式会社ソディック | 積層造形装置 |
JP7468858B2 (ja) * | 2020-01-28 | 2024-04-16 | 株式会社ナノシーズ | 粉末層の形成方法および形成装置 |
WO2021234973A1 (ja) * | 2020-05-22 | 2021-11-25 | 技術研究組合次世代3D積層造形技術総合開発機構 | 積層造形における造形品質評価方法、積層造形システム、情報処理装置およびそのプログラム |
JPWO2022054144A1 (ja) * | 2020-09-08 | 2022-03-17 | ||
JP7407680B2 (ja) * | 2020-09-16 | 2024-01-04 | 日本電子株式会社 | 三次元構造体の製造方法および三次元構造体の製造装置 |
US11964437B1 (en) * | 2021-03-30 | 2024-04-23 | Mark Lamoncha | Additive manufacturing by solvent melding of build material |
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US10065373B2 (en) * | 2014-10-09 | 2018-09-04 | Autodesk, Inc. | Multi-material three dimensional models |
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