JP6648047B2 - レーザ付加製造プロセスを較正するための新規の方法 - Google Patents
レーザ付加製造プロセスを較正するための新規の方法 Download PDFInfo
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- JP6648047B2 JP6648047B2 JP2017006379A JP2017006379A JP6648047B2 JP 6648047 B2 JP6648047 B2 JP 6648047B2 JP 2017006379 A JP2017006379 A JP 2017006379A JP 2017006379 A JP2017006379 A JP 2017006379A JP 6648047 B2 JP6648047 B2 JP 6648047B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
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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
- B22F10/30—Process control
- B22F10/31—Calibration of process steps or apparatus settings, e.g. before or during manufacturing
-
- 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
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
- B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
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- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Laser Beam Processing (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Powder Metallurgy (AREA)
Description
[実施態様1]
レーザ付加製造プロセスの較正方法であって、
(a)粉末床の粉末層を照射して融合領域パターンを形成するステップと、
(b)融合領域パターンの第1の特性を基準パターンの第2の特性と比較するステップと、
(c)ステップ(a)を繰り返すことで基準パターンとより厳密に一致する第2の融合領域パターンが得られるように、比較に基づいて第1のパラメータを調整するステップと
を含む方法。
[実施態様2]
第1のパラメータが、スカイライティングプロセスの走査動作に関連する、実施態様1に記載の方法。
[実施態様3]
第1のパラメータが、ジャンプディレイ、マークディレイ又はポリゴンディレイ設定の走査動作に関連する、実施態様1に記載の方法。
[実施態様4]
走査動作が、ランイン動作である、実施態様2に記載の方法。
[実施態様5]
走査動作が、ランアウト動作である、実施態様2に記載の方法。
[実施態様6]
走査動作が、ジャンプ動作である、実施態様2に記載の方法。
[実施態様7]
第1のパラメータが、走査動作と、照射ステップ(a)を実行する照射源の制御との間の同期に関連する、実施態様1に記載の方法。
[実施態様8]
パラメータが、ランイン動作の期間を含む、実施態様1に記載の方法。
[実施態様9]
パラメータが、ランアウト動作の期間を含む、実施態様1に記載の方法。
[実施態様10]
パターンが、ハッチマーク、走査又はラインである、実施態様1に記載の方法。
[実施態様11]
パラメータが、輪郭とハッチラインとの間の距離である、実施態様1に記載の方法。
[実施態様12]
パラメータが、ハッチラインとそれに直交する輪郭との間の距離である、実施態様1に記載の方法。
[実施態様13]
第1の特性が、ハッチ走査の終わりと輪郭走査の終わりとの間の第1の距離である、実施態様1に記載の方法。
[実施態様14]
パラメータが、レーザオンディレイを調整する、実施態様1に記載の方法。
[実施態様15]
パラメータが、レーザオフディレイを調整する、実施態様1に記載の方法。
[実施態様16]
特性が、電子記憶装置の形態で記憶された光画像である、実施態様1に記載の方法。
[実施態様17]
ステップ(c)の調整が完了して完成した物体を形成した後の繰り返しステップ(a)をさらに含む、実施態様1に記載の方法。
[実施態様18]
第1の特性が、レーザガルバノメータ駆動電圧を測定することによって比較される、実施態様1に記載の方法。
[実施態様19]
プロセスが、自動化される、実施態様1に記載の方法。
[実施態様20]
実施態様1に記載のステップ(b)の比較することを実行するためのソフトウェアプログラム。
[実施態様21]
ステップ(c)のパラメータ調整を自動的にさらに実行する、実施態様20に記載のプログラム。
[実施態様22]
付加製造装置のレーザスキャナディレイ設定を調整するために共に統合されたレーザ付加製造装置と、モニタリング装置と、コンピュータと、ソフトウェアとを含み、対照設計の構築中にレーザ走査が開始及び停止する座標を比較し、テストパターンの1以上の重要なプロセスパラメータを調整して対照設計のものと一致させる、システム。
114 造形プレート
116 リコータアーム
118 レベル
120 レーザ
122 部品
126 リザーバ
128 排気容器
132 ガルボスキャナ
136 エネルギービーム
Claims (10)
- レーザ付加製造プロセスの較正方法であって、
(a)粉末床の粉末層を、照射源からのレーザを走査しながら照射して融合領域パターンを形成するステップと、
(b)融合領域パターンの輪郭部分の第1の特性を基準パターンの第2の特性と比較するステップと、
(c)ステップ(a)を繰り返すことで基準パターンとより厳密に一致する第2の融合領域パターンが得られるように、比較に基づいて第1のパラメータを調整するステップと、
を含み、
第1のパラメータが、走査動作と照射源の制御との間の同期、ランイン動作の期間およびランアウト動作の期間のうちの少なくとも1つに関連する、
方法。 - 第1のパラメータが、(i)スカイライティングプロセスの走査動作、ジャンプディレイ、マークディレイ又はポリゴンディレイ設定の走査動作、ジャンプ動作、および、ランイン動作又はランアウト動作である走査動作のうちの少なくとも1つに関連する、請求項1に記載の方法。
- 第1の特性が、輪郭とハッチラインとの間の距離およびハッチラインとそれに直交する輪郭との間の距離のうちの少なくとも1つである、請求項1または2に記載の方法。
- 第1の特性が、ハッチラインを形成するためのハッチ走査の終わりと輪郭走査の終わりとの間の第1の距離である、請求項1乃至請求項3のいずれか1項に記載の方法。
- 調整される第1のパラメータが、レーザオンディレイおよびレーザオフディレイのうちの少なくとも1つである、請求項1乃至請求項4のいずれか1項に記載の方法。
- 第1の特性が、電子記憶装置の形態で記憶された光画像である、請求項1乃至請求項5のいずれか1項に記載の方法。
- ステップ(c)の調整が完了して完成した物体を形成した後の繰り返しステップ(a)をさらに含む、請求項1乃至請求項6のいずれか1項に記載の方法。
- 第1の特性がレーザガルバノメータ駆動電圧を測定することによって比較される、請求項1乃至請求項7のいずれか1項に記載の方法。
- プロセスが自動化される、請求項1乃至請求項8のいずれか1項に記載の方法。
- 請求項1に記載のステップ(b)の比較するステップを実行し、ステップ(c)のパラメータ調整を自動的にさらに実行するためのソフトウェアプログラム。
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US15/001,050 US11642725B2 (en) | 2016-01-19 | 2016-01-19 | Method for calibrating laser additive manufacturing process |
US15/001,050 | 2016-01-19 |
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JP2017140828A JP2017140828A (ja) | 2017-08-17 |
JP6648047B2 true JP6648047B2 (ja) | 2020-02-14 |
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US (1) | US11642725B2 (ja) |
EP (1) | EP3199327B1 (ja) |
JP (1) | JP6648047B2 (ja) |
CN (1) | CN106976231A (ja) |
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2017
- 2017-01-18 JP JP2017006379A patent/JP6648047B2/ja not_active Expired - Fee Related
- 2017-01-18 EP EP17151904.4A patent/EP3199327B1/en active Active
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EP3199327B1 (en) | 2021-03-17 |
EP3199327A1 (en) | 2017-08-02 |
JP2017140828A (ja) | 2017-08-17 |
CN106976231A (zh) | 2017-07-25 |
US20170203512A1 (en) | 2017-07-20 |
US11642725B2 (en) | 2023-05-09 |
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