JP7244529B2 - 金属粉末の状態を判定するための方法及び装置 - Google Patents
金属粉末の状態を判定するための方法及び装置 Download PDFInfo
- Publication number
- JP7244529B2 JP7244529B2 JP2020544180A JP2020544180A JP7244529B2 JP 7244529 B2 JP7244529 B2 JP 7244529B2 JP 2020544180 A JP2020544180 A JP 2020544180A JP 2020544180 A JP2020544180 A JP 2020544180A JP 7244529 B2 JP7244529 B2 JP 7244529B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- image
- particles
- color
- elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000843 powder Substances 0.000 title claims description 253
- 238000000034 method Methods 0.000 title claims description 67
- 239000002184 metal Substances 0.000 title claims description 19
- 229910052751 metal Inorganic materials 0.000 title claims description 19
- 239000002245 particle Substances 0.000 claims description 115
- 238000012545 processing Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 239000000654 additive Substances 0.000 claims description 15
- 230000000996 additive effect Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 13
- 238000004458 analytical method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 230000015556 catabolic process Effects 0.000 description 11
- 238000006731 degradation reaction Methods 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 239000003086 colorant Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000001066 destructive effect Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000012550 audit Methods 0.000 description 1
- -1 but not exclusively Substances 0.000 description 1
- 238000000546 chi-square test Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- 238000013450 outlier detection Methods 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- 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
- B22F10/70—Recycling
- B22F10/73—Recycling of powder
-
- 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
- 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
-
- 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
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/314—Preparation
-
- 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
- B29C64/343—Metering
-
- 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
-
- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1429—Signal processing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0091—Powders
-
- 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
-
- 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]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0096—Investigating consistence of powders, dustability, dustiness
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Sustainable Development (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Signal Processing (AREA)
- Dispersion Chemistry (AREA)
- Food Science & Technology (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Plasma & Fusion (AREA)
- Image Analysis (AREA)
- Powder Metallurgy (AREA)
Description
・所定の範囲外にある色を有する粒子の数及び割合
・所定の範囲内にある画像要素の平均色
・全ての画像要素の平均色
金属粒子の色は、粒子が劣化するにつれて変化することは判明している。特に、粒子が酸化し及び/または熱に曝されると変化する。粒子が酸化するほど、あるいは曝される温度が高いほど、色の変化は大きくなる。従って色の変化の量は、粒子が受けた劣化の程度、よって再使用の適合性にも関連付けられる。
Claims (33)
- 積層造形プロセスで用いる金属粉末の状態の判定方法であって、前記金属粉末の色を測定するために、前記金属粉末の画像を処理するステップを含む判定方法。
- 前記金属粉末の前記画像を取得するステップを含む請求項1の判定方法。
- 前記画像は光学画像である請求項1または2に記載の判定方法。
- 前記画像をクロッピングするステップを含む請求項1乃至3のいずれか1項に記載の判定方法。
- 前記画像の品質をチェックするステップを含む請求項1乃至4のいずれか1項に記載の判定方法。
- 前記画像は複数の画像要素により形成され、または複数の画像要素に分割される請求項1乃至5のいずれか1項に記載の判定方法。
- 前記画像化した粉末中の粒子の数に対する前記画像中の画像要素の比は少なくとも100:1または1000:1である請求項6に記載の判定方法。
- 閾値未満の輝度を有する複数の画像要素を識別して後続の処理から除外する請求項6または7に記載の判定方法。
- 前記閾値の上下の画像要素の比を計算するステップを含む請求項8に記載の判定方法。
- 前記画像を処理して、それが表す粉末の粒子の総数を推定する請求項1乃至9のいずれか1項に記載の判定方法。
- 前記画像を処理して、選択された範囲の外にある画像化された粉末の表面特性を表す複数の画像要素を識別する請求項1乃至10のいずれか1項に記載の判定方法。
- 所定のサイズを超える識別された連結画像要素のグループが識別されて、それにより前記選択された範囲の外の表面特性を有する粉末の粒子を識別する請求項11に記載の判定方法。
- 前記選択された範囲の外の割合は、5%または1%である請求項12に記載の判定方法。
- 所定のサイズを超える識別された連結画像要素のグループが識別されて、それにより前記選択された範囲の外の表面特性を有する粉末の粒子を識別する請求項11乃至13のいずれか1項に記載の判定方法。
- 識別された粒子ごとに、各画像要素に関連する、前記粒子及び固有識別子を表すデータを格納するステップを含む請求項14に記載の判定方法。
- 選択された範囲の外の測定表面特性を有する前記画像中における粒子の数を判定するステップを含む請求項1乃至15のいずれか1項に記載の判定方法。
- 測定表面特性が前記選択された範囲の外にある測定された粉末の割合が所定の値を超えていた場合に、前記粉末は再使用に適していないことを示すステップを含む請求項11乃至16のいずれか1項に記載の判定方法。
- 前記測定表面特性が前記選択された範囲の内にある前記測定された粉末の粒子の平均測定表面特性を判定することを含む請求項11乃至17のいずれか1項に記載の判定方法。
- 前記選択された範囲内の測定表面特性の前記粉末の平均測定表面特性が、所定の閾値よりも大きいまたは小さい場合に、前記試験された粉末は再使用に適していないことを示すステップを含む請求項18に記載の判定方法。
- 前記画像を処理して個々の粒子を分析し、個々の粒子それぞれの前記表面特性を測定するステップを含む請求項1乃至19のいずれか1項に記載の判定方法。
- 包囲体内に前記粉末を配置して前記包囲体内の前記粉末を照らすステップを含む請求項1乃至20のいずれか1項に記載の判定方法。
- 請求項1乃至21のいずれか1項に記載の判定方法による積層造形プロセスにおいて使用する金属粉末の状態を判定する装置であって、前記装置は、前記金属粉末の色を測定するために、前記粉末の画像を処理するように構成されたプロセッサを含む装置。
- 前記粉末の画像を取得して前記プロセッサに送信するデバイスを含む請求項22に記載の装置。
- 前記粉末の画像を取得するための前記デバイスはカメラ、センサまたはスキャナである請求項23に記載の装置。
- 前記装置は、その中で前記画像が取得できる包囲体を画定する請求項23または24に記載の装置。
- 前記粉末を照らす1つまたは複数のランプを含む請求項22乃至25のいずれか1項に記載の装置。
- 前記包囲体は、前記粉末を照らす1つまたは複数のランプ以外の光源を実質的に遮断するように構成されている請求項25に従属する請求項26に記載の装置。
- 前記装置は、金属粉末の処理及び/または搬送のための装置中に含まれている請求項22乃至27のいずれか1項に記載の装置。
- 前記装置は、積層造形機の中に含まれている請求項22乃至28のいずれか1項に記載の装置。
- 前記装置の出力は、金属粉末の処理及び/または搬送のための前記装置、及び/または前記積層造形機械を制御するために使用される請求項28または29に記載の装置。
- 造形作業中に粉末を分析し、前記分析結果を保存するように構成された請求項30に記載の装置。
- 請求項1乃至22のいずれか1項に記載の判定方法を実行するように前記プロセッサが構成された請求項22乃至31のいずれか1項に記載の装置。
- 前記プロセッサはプログラムされたコンピュータである請求項22乃至32のいずれか1項に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1718815.2A GB2568313B (en) | 2017-11-14 | 2017-11-14 | Method and apparatus for determining powder condition |
GB1718815.2 | 2017-11-14 | ||
PCT/GB2018/053294 WO2019097222A1 (en) | 2017-11-14 | 2018-11-14 | Method and apparatus for determining metal powder condition |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021510226A JP2021510226A (ja) | 2021-04-15 |
JP2021510226A5 JP2021510226A5 (ja) | 2021-12-23 |
JP7244529B2 true JP7244529B2 (ja) | 2023-03-22 |
Family
ID=60788426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020544180A Active JP7244529B2 (ja) | 2017-11-14 | 2018-11-14 | 金属粉末の状態を判定するための方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11969789B2 (ja) |
EP (1) | EP3710184A1 (ja) |
JP (1) | JP7244529B2 (ja) |
CA (1) | CA3111161A1 (ja) |
GB (1) | GB2568313B (ja) |
WO (1) | WO2019097222A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2568313B (en) * | 2017-11-14 | 2023-03-08 | Lpw Technology Ltd | Method and apparatus for determining powder condition |
WO2019240773A1 (en) * | 2018-06-12 | 2019-12-19 | Hewlett-Packard Development Company, L.P. | Build material management |
US20210370602A1 (en) * | 2018-10-01 | 2021-12-02 | Hewlett-Packard Development Company, L.P. | Determine ratios of build materials to achieve selected features |
GB2584083B (en) * | 2019-05-15 | 2023-09-20 | Lpw Technology Ltd | Method and apparatus for analysing metal powder |
GB2584820B (en) * | 2019-05-15 | 2024-01-24 | Lpw Technology Ltd | Method and apparatus for analysing metal powder |
JP7381267B2 (ja) | 2019-09-18 | 2023-11-15 | ナブテスコ株式会社 | 金属付加製造用粉粒体、その製造方法、その選別装置、その選別方法、粉体の純度判定装置、粉体の純度判定方法、粉体の保管方法、粉体の保管容器、金属造形物の製造方法、および、金属造形物の製造装置 |
US20210268740A1 (en) * | 2020-02-28 | 2021-09-02 | The Boeing Company | Methods and Systems for Detection of Impurities in Additive Manufacturing Material |
WO2022097651A1 (ja) * | 2020-11-04 | 2022-05-12 | 日立金属株式会社 | 積層造形物の欠陥予測方法および積層造形物の製造方法 |
US11915405B2 (en) * | 2021-03-16 | 2024-02-27 | Applied Optimization, Inc. | Additive manufacturing process monitoring |
US11865616B2 (en) * | 2021-06-03 | 2024-01-09 | Hewlett-Packard Development Company, L.P. | Decaking 3D printed parts |
WO2023113770A1 (en) * | 2021-12-13 | 2023-06-22 | Hewlett-Packard Development Company, L.P. | Powder degradation predictions |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160224017A1 (en) | 2015-01-29 | 2016-08-04 | Alcoa Inc. | Systems and methods for modelling additively manufactured bodies |
JP2016532781A (ja) | 2013-08-22 | 2016-10-20 | レニショウ パブリック リミテッド カンパニーRenishaw Public Limited Company | 粉体材料の選択的固化処理によりオブジェクトを構築するための装置及び方法 |
JP2016194143A (ja) | 2015-03-31 | 2016-11-17 | 山陽特殊製鋼株式会社 | 球状粒子からなる金属粉末 |
JP2017078224A (ja) | 2015-10-21 | 2017-04-27 | エスエルエム ソルーションズ グループ アーゲー | カメラを有する粉末塗布器具 |
JP2017094605A (ja) | 2015-11-24 | 2017-06-01 | キヤノン株式会社 | 立体物の製造に用いられる粒子群、およびそれを用いた立体物の製造方法 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE512098C2 (sv) * | 1998-05-19 | 2000-01-24 | Agrovision Ab | Koncentrationsbestämning av en komponent i en blandning av minst två komponenter |
FI20002614A (fi) * | 2000-11-28 | 2002-05-29 | Nokia Corp | Laskutuksen ohjaus tietoliikennejärjestelmässä |
WO2002044692A1 (en) * | 2000-11-28 | 2002-06-06 | Imeco Automazioni S.R.L. | Apparatus for analyzing the characteristics of ground products |
US6996358B2 (en) * | 2002-05-20 | 2006-02-07 | Canon Kabushiki Kaisha | Toner kit, toner, method for forming an image, and image forming apparatus |
EP2331937A4 (en) * | 2008-09-29 | 2013-08-21 | Johanson Holdings Llc | DEVICES AND METHOD FOR TESTING THE ABSENCE OF A MIXTURE |
DE102008058177A1 (de) * | 2008-11-20 | 2010-06-24 | Eos Gmbh Electro Optical Systems | Verfahren zur Identifizierung von Lasersinterpulvern |
GB2522388B (en) * | 2012-12-17 | 2017-08-23 | Arcam Ab | Additive manufacturing method and apparatus |
RU2544047C1 (ru) * | 2013-10-07 | 2015-03-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Российский химико-технологический университет имени Д.И. Менделеева", РХТУ им. Д.И. Менделеева | Способ определения микровключений примесей в порошковых органических люминофорах |
EP2918395B1 (en) | 2014-03-12 | 2018-07-04 | Rolls-Royce Corporation | Additive manufacturing including layer-by-layer imaging |
US20170341183A1 (en) * | 2014-12-12 | 2017-11-30 | Velo3D, Inc. | Control Systems for Three-Dimensional Printing |
US20180022028A1 (en) * | 2015-04-14 | 2018-01-25 | Hewlett-Packard Development Company, L.P. | An apparatus and a method for determining a quantity of material |
US20170066051A1 (en) * | 2015-09-04 | 2017-03-09 | Arcam Ab | Method and apparatus for additive manufacturing |
DE102015223474A1 (de) * | 2015-11-26 | 2017-06-01 | Eos Gmbh Electro Optical Systems | Verfahren und Vorrichtung zum Herstellen eines dreidimensionalen Objekts |
DE102016200324A1 (de) * | 2016-01-14 | 2017-07-20 | MTU Aero Engines AG | Verfahren zum Ermitteln einer Konzentration wenigstens eines Werkstoffs in einem Pulver für ein additives Herstellverfahren |
DE102016210542A1 (de) * | 2016-06-14 | 2017-12-14 | Testia Gmbh | 3D-Druckverfahren und 3D-Druckvorrichtung |
CN106041076B (zh) | 2016-07-06 | 2018-06-19 | 中北大学 | 一种激光快速成形铺粉均匀性检测系统及检测方法 |
US10408812B2 (en) * | 2016-10-12 | 2019-09-10 | General Electric Company | Characterization and control system and method for a resin |
US10674101B2 (en) * | 2016-10-28 | 2020-06-02 | General Electric Company | Imaging devices for use with additive manufacturing systems and methods of imaging a build layer |
EP3600728B1 (en) * | 2017-03-22 | 2021-08-18 | NXT Factory Inc. | Method and apparatus for forming a three-dimensional article by fusion of a powdered medium in a powder bed |
US11344952B2 (en) * | 2017-08-08 | 2022-05-31 | Mitsubishi Heavy Industries, Ltd. | Three-dimensional additive manufacturing device, three-dimensional additive manufacturing method, and three-dimensional additive manufactured product |
WO2019078813A1 (en) * | 2017-10-16 | 2019-04-25 | Hewlett-Packard Development Company, L.P. | 3D PRINTER |
GB2568313B (en) * | 2017-11-14 | 2023-03-08 | Lpw Technology Ltd | Method and apparatus for determining powder condition |
US20220143704A1 (en) * | 2019-03-13 | 2022-05-12 | Nanyang Technological University | Monitoring system and method of identification of anomalies in a 3d printing process |
-
2017
- 2017-11-14 GB GB1718815.2A patent/GB2568313B/en active Active
-
2018
- 2018-11-14 WO PCT/GB2018/053294 patent/WO2019097222A1/en unknown
- 2018-11-14 EP EP18826776.9A patent/EP3710184A1/en active Pending
- 2018-11-14 JP JP2020544180A patent/JP7244529B2/ja active Active
- 2018-11-14 CA CA3111161A patent/CA3111161A1/en active Pending
- 2018-11-14 US US16/763,733 patent/US11969789B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016532781A (ja) | 2013-08-22 | 2016-10-20 | レニショウ パブリック リミテッド カンパニーRenishaw Public Limited Company | 粉体材料の選択的固化処理によりオブジェクトを構築するための装置及び方法 |
US20160224017A1 (en) | 2015-01-29 | 2016-08-04 | Alcoa Inc. | Systems and methods for modelling additively manufactured bodies |
JP2018507325A (ja) | 2015-01-29 | 2018-03-15 | アーコニック インコーポレイテッドArconic Inc. | 付加製造体のモデリングのためのシステム及び方法 |
JP2016194143A (ja) | 2015-03-31 | 2016-11-17 | 山陽特殊製鋼株式会社 | 球状粒子からなる金属粉末 |
JP2017078224A (ja) | 2015-10-21 | 2017-04-27 | エスエルエム ソルーションズ グループ アーゲー | カメラを有する粉末塗布器具 |
JP2017094605A (ja) | 2015-11-24 | 2017-06-01 | キヤノン株式会社 | 立体物の製造に用いられる粒子群、およびそれを用いた立体物の製造方法 |
Non-Patent Citations (2)
Title |
---|
KARLSSON JOAKIM et al,Characterization and comparison of materials produced by Electron Beam Melting (EBM) of two different Ti-6Al-4V powder fractions,Journal of Materials Processing Technology,2013年06月20日,P.2109 - 2118 |
Laura Cordova et al,POWDER CHARACTERIZATION AND OPTIMIZATION FOR ADDITIVE MANUFACTURING,VI CONGRESO DE PULVIMETALURGIA I CONGRESO IBERROAMERICANO DE PULVIMETALURGIA,2017年06月,P.1-7,https://www.researchgate.net/publication/320173091_Powder_Characterization_and_Optimization_for_Additive_Manufacturing |
Also Published As
Publication number | Publication date |
---|---|
US11969789B2 (en) | 2024-04-30 |
WO2019097222A1 (en) | 2019-05-23 |
US20210162509A1 (en) | 2021-06-03 |
EP3710184A1 (en) | 2020-09-23 |
CA3111161A1 (en) | 2019-05-23 |
GB2568313A (en) | 2019-05-15 |
GB2568313B (en) | 2023-03-08 |
GB201718815D0 (en) | 2017-12-27 |
JP2021510226A (ja) | 2021-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7244529B2 (ja) | 金属粉末の状態を判定するための方法及び装置 | |
JP5043755B2 (ja) | 樹脂材料検査装置およびプログラム | |
TWI484161B (zh) | 缺陷檢查系統及使用於該缺陷檢查系統之缺陷檢查用攝影裝置、缺陷檢查用畫像處理裝置、缺陷檢查用畫像處理程式、記錄媒體及缺陷檢查用畫像處理方法 | |
CN106461373B (zh) | 用于涂层预测、施涂和检查的实时数字增强成像 | |
CN108931536B (zh) | 用于评估涂覆表面质量的方法和装置 | |
JP2023090960A (ja) | 学習装置、検査装置、学習方法および検査方法 | |
EP3969211A1 (en) | Method and apparatus for analysing metal powder | |
JP7011288B2 (ja) | 混合度判定方法および混合度判定装置 | |
JP4244046B2 (ja) | 画像処理方法および画像処理装置 | |
JP6813316B2 (ja) | 劣化情報取得装置、劣化情報取得システム、劣化情報取得方法及び劣化情報取得プログラム | |
KR101993654B1 (ko) | 표시패널의 얼룩 검사 장치 및 그 방법 | |
JP6844976B2 (ja) | 劣化情報取得装置、劣化情報取得システム、劣化情報取得方法及び劣化情報取得プログラム | |
JP2021006810A (ja) | 保護シースを備えたケーブル、特に電気ケーブルの生産品質を検査するための方法および装置 | |
JP5727709B2 (ja) | 残留物測定方法及び残留物測定装置 | |
JP2021169206A (ja) | 積層造形材料内の不純物の検出のための方法及びシステム | |
EP3969212A1 (en) | Method and apparatus for analysing metal powder | |
KR102603372B1 (ko) | 분율 측정 장치, 분율 측정 시스템, 분율 측정 방법, 컴퓨터 프로그램, 고로 및 고로 조업 방법 | |
KR20210039784A (ko) | 사출물의 검사방법 및 이를 이용한 사출물 금형의 보수 방법 | |
JP2006194788A (ja) | 粒子画像処理方法と装置およびそのプログラム | |
US20230038244A1 (en) | Device for analysing a set of food particles and method thereof | |
KR102236383B1 (ko) | 라인 ccd를 사용한 3차원 프린터의 멜팅풀 검사 장치 | |
WO2023112497A1 (ja) | 情報処理装置、情報処理方法、プログラム及び記録媒体 | |
JP2022057165A (ja) | 外観検査装置 | |
JPH01259243A (ja) | 不透明鉱物等の顕微鏡画像の自動定量測定方法および装置 | |
JP4581529B2 (ja) | 等級判定方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20211112 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20211112 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20221111 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221122 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230220 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230228 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230309 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7244529 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |