JP7658424B2 - 回転積層造形装置及び制御装置 - Google Patents
回転積層造形装置及び制御装置 Download PDFInfo
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Description
図1は、第1実施形態に係る回転積層造形装置(三次元造形装置)1の構成を示す図である。回転積層造形装置1は、いわゆる3Dプリンタである。回転積層造形装置1は、粉末材料2から三次元の造形物(三次元造形物)3を製造する。粉末材料2は、金属の粉末である。粉末材料2は、例えばチタン系金属粉末、インコネル粉末、又はアルミニウム粉末等である。粉末材料2は、金属粉末に限定されない。粉末材料2は、例えば樹脂粉末、又はCFRP(Carbon Fiber Reinforced Plastics)などの炭素繊維と樹脂とを含む粉末であってもよい。粉末材料2は、導電性を有するその他の粉末でもよい。本開示における粉末材料2は、導電性を有するものには限定されない。例えばエネルギビームとしてレーザを用いる場合には、粉末材料2は導電性を有しなくてもよい。
図6は、第2実施形態に係る回転積層造形装置1Aの断面を示す図である。第2実施形態に係る回転積層造形装置1Aは、スモーク情報取得部71及び温度情報取得部74の代わりに凹凸情報取得部72を備える点で、第1実施形態の回転積層造形装置1と異なる。
図9は、第3実施形態に係る回転積層造形装置1Bの断面を示す図である。第3実施形態に係る回転積層造形装置1Bは、状態情報取得部7Bが、スモーク情報取得部71、凹凸情報取得部72、機器情報取得部73、及び温度情報取得部74を備える。
2 粉末材料
3 造形物
4 駆動部
5 制御部(制御装置)
6 処理部
7 状態情報取得部
8 ハウジング
9 コラム
10 テーブル
11 造形タンク
10a 造形面
10b 背面
12 回転ユニット
13 昇降ユニット
14 フィーダ(供給部)
15 ヒータ(加熱部)
16 ビーム源(照射部)
51 ビーム制御部
52 フィーダ制御部
53 ヒータ制御部
54 昇降制御部
55 回転制御部
56 停止動作部
57 復帰動作部
58 再開動作部
71 スモーク情報取得部
72 凹凸情報取得部
73 機器情報取得部
74 温度情報取得部
A1,A2,A3,A4 分割領域
CW 回転方向
S 造形空間
θ1 スモーク情報
θ2 凹凸情報
θ3 障害情報
θ4 温度情報
φ1 照射制御信号
φ2 供給制御信号
φ3 加熱制御信号
φ4 昇降制御信号
φ5 回転制御信号
Δ1 第一制御信号
Δ2 第二制御信号
Δ3 第三制御信号
Δ4 第四制御信号
Δ5 第五制御信号
Δ6 第六制御信号
Δ7 第七制御信号
Claims (6)
- 粉末材料を回転支持するテーブルと、
前記テーブルに前記粉末材料を供給する供給部と、
前記テーブルに配置された前記粉末材料を加熱する加熱部と、
前記テーブルに配置された前記粉末材料に対してエネルギビームを照射する照射部と、
前記テーブルに配置された前記粉末材料の状態に関する情報を含み、前記エネルギビームの照射を停止すべき状態を示す異常状態情報を出力する状態情報取得部と、
前記異常状態情報に基づいて、少なくとも前記照射部を制御する制御部と、を備え、
前記制御部は、
前記異常状態情報の入力に起因して、前記エネルギビームの照射を停止させる第一制御信号を出力する停止動作部と、
前記異常状態情報が前記粉末材料の状態に関する情報であるか否かを判定し、前記異常状態情報が前記粉末材料の状態に関する情報である場合に、前記テーブルの回転動作を継続させると共に、前記加熱部の加熱動作又は前記供給部の供給動作を制御する第二制御信号を出力する復帰動作部と、を有する、回転積層造形装置。 - 前記状態情報取得部は、前記粉末材料の状態に関する情報として、飛散した状態の前記粉末材料の有無を判断するためのスモーク情報を前記制御部に出力するスモーク情報取得部を含み、
前記復帰動作部は、前記状態情報取得部から受けた前記異常状態情報を構成する前記スモーク情報がスモークの発生を示すときに、前記第二制御信号として、前記テーブルの回転動作及び前記加熱部の加熱動作を制御する信号を出力する、請求項1に記載の回転積層造形装置。 - 前記状態情報取得部は、前記粉末材料の状態に関する情報として、前記エネルギビームの照射を受ける前記粉末材料の面の凹凸状態を示す凹凸情報を前記制御部に出力する凹凸情報取得部を含み、
前記復帰動作部は、前記状態情報取得部から受けた前記異常状態情報を構成する前記凹凸情報が所定の凹凸条件を満たさないときに、前記第二制御信号として、前記テーブルの回転動作及び前記供給部の供給動作を制御する信号を出力する、請求項1に記載の回転積層造形装置。 - 前記停止動作部は、前記異常状態情報の入力に起因して、前記テーブルの回転動作、前記加熱部の加熱動作及び前記供給部の供給動作をさらに停止させる第三制御信号を出力し、
前記復帰動作部は、前記異常状態情報が前記粉末材料の状態に関する情報であるときに、前記テーブルの回転動作、前記加熱部の加熱動作及び前記供給部の供給動作の少なくとも一つを再開する第四制御信号を出力する、請求項1~3のいずれか一項に記載の回転積層造形装置。 - 前記制御部は、前記異常状態情報が所定の条件を満たした場合に、前記エネルギビームの照射を開始させる第五制御信号を出力する再開動作部をさらに有する、請求項1~4の何れか一項に記載の回転積層造形装置。
- 供給部から回転するテーブル上に供給された粉末材料を加熱部によって加熱すると共に、エネルギビームを照射することによって三次元造形物を造形する三次元造形装置を制御する制御装置であって、
前記テーブルに配置された前記粉末材料の状態に関する情報を含み、前記エネルギビームの照射を停止すべき状態を示す異常状態情報の入力に起因して、前記エネルギビームの照射を停止させる第一制御信号を出力する停止動作部と、
前記異常状態情報が前記粉末材料の状態に関する情報であるか否かを判定し、前記異常状態情報が前記粉末材料の状態に関する情報である場合に、前記テーブルの回転動作を継続させると共に、前記加熱部の加熱動作又は前記供給部の供給動作を制御する第二制御信号を出力する復帰動作部と、を備える、制御装置。
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| JP2021064046 | 2021-04-05 | ||
| JP2021064046 | 2021-04-05 | ||
| PCT/JP2022/009785 WO2022215410A1 (ja) | 2021-04-05 | 2022-03-07 | 回転積層造形装置及び制御装置 |
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| JPWO2022215410A1 JPWO2022215410A1 (ja) | 2022-10-13 |
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| WO2019141501A1 (en) | 2018-01-16 | 2019-07-25 | Siemens Aktiengesellschaft | Method of removing an excess material from a cavity, additive manufacturing method and part |
| WO2020004507A1 (ja) | 2018-06-26 | 2020-01-02 | 株式会社Ihi | 三次元造形装置 |
| JP2021041568A (ja) | 2019-09-09 | 2021-03-18 | 日本電子株式会社 | 3次元積層造形装置及び3次元積層造形方法 |
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| DE102015207254A1 (de) * | 2015-04-21 | 2016-12-01 | Eos Gmbh Electro Optical Systems | Vorrichtung und Verfahren zur generativen Herstellung eines dreidimensionalen Objektes |
| JP2017119350A (ja) | 2015-12-28 | 2017-07-06 | ローランドディー.ジー.株式会社 | 三次元造形装置および三次元造形方法 |
| JP6939082B2 (ja) * | 2017-05-18 | 2021-09-22 | 大同特殊鋼株式会社 | 粉末床評価方法 |
| CN110678281B (zh) * | 2017-08-08 | 2022-04-29 | 三菱重工业株式会社 | 三维层叠造形装置、三维层叠造形方法及三维层叠造形物 |
| WO2019074827A1 (en) * | 2017-10-09 | 2019-04-18 | Sciaky, Inc. | ELECTRON BEAM ADDITIVE MANUFACTURING SYSTEM AND CONTROL COMPONENTS |
| EP3572213B1 (en) * | 2018-05-23 | 2021-11-24 | CL Schutzrechtsverwaltungs GmbH | Apparatus for additively manufacturing three-dimensional objects and method of operating an apparatus for additive manufacturing |
| US20210268586A1 (en) * | 2018-06-13 | 2021-09-02 | Nikon Corporation | Arithmetic device, detection system, modeling apparatus, arithmetic method, detection method, modeling method, arithmetic program, detection program, and modeling program |
| JP7274948B2 (ja) * | 2019-06-11 | 2023-05-17 | ニデックマシンツール株式会社 | 三次元積層装置および方法 |
| WO2021003256A1 (en) * | 2019-07-02 | 2021-01-07 | Nikon Corporation | Enhanced powder bed discharging |
| JP7082355B2 (ja) * | 2020-10-20 | 2022-06-08 | 石川県 | 造形状態推定システム、方法、コンピュータプログラム、及び学習モデルの学習方法 |
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- 2022-03-07 JP JP2023512870A patent/JP7658424B2/ja active Active
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| WO2019088091A1 (ja) | 2017-10-31 | 2019-05-09 | 株式会社Ihi | 三次元造形装置及び三次元造形方法 |
| WO2019141501A1 (en) | 2018-01-16 | 2019-07-25 | Siemens Aktiengesellschaft | Method of removing an excess material from a cavity, additive manufacturing method and part |
| WO2020004507A1 (ja) | 2018-06-26 | 2020-01-02 | 株式会社Ihi | 三次元造形装置 |
| JP2021041568A (ja) | 2019-09-09 | 2021-03-18 | 日本電子株式会社 | 3次元積層造形装置及び3次元積層造形方法 |
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| EP4321283A1 (en) | 2024-02-14 |
| CN116997428A (zh) | 2023-11-03 |
| WO2022215410A1 (ja) | 2022-10-13 |
| JPWO2022215410A1 (ja) | 2022-10-13 |
| EP4321283A4 (en) | 2025-03-19 |
| US20240173774A1 (en) | 2024-05-30 |
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