JP5595011B2 - 金属棒上の表面欠陥の検出及び検証のための検査システム - Google Patents
金属棒上の表面欠陥の検出及び検証のための検査システム Download PDFInfo
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- JP5595011B2 JP5595011B2 JP2009251400A JP2009251400A JP5595011B2 JP 5595011 B2 JP5595011 B2 JP 5595011B2 JP 2009251400 A JP2009251400 A JP 2009251400A JP 2009251400 A JP2009251400 A JP 2009251400A JP 5595011 B2 JP5595011 B2 JP 5595011B2
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- 230000007547 defect Effects 0.000 title claims description 224
- 238000001514 detection method Methods 0.000 title claims description 100
- 239000002184 metal Substances 0.000 title claims description 69
- 238000007689 inspection Methods 0.000 title claims description 37
- 238000012795 verification Methods 0.000 title description 6
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 description 31
- 238000012360 testing method Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000009877 rendering Methods 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012706 support-vector machine Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/9026—Arrangements for scanning by moving the material
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
Claims (3)
- 圧延工程を含む生産ライン内に設置し、移動経路に沿って移動する軸線を有する圧延ままの金属棒の表面欠陥を検出及び確認するための検査システムであって、
前記移動経路に沿った第1の位置に位置し、該第1の位置を通過して移動する際に、前記金属棒に誘導される渦電流群を示す第1出力信号を生成するように構成された貫通型渦電流欠陥検出装置である第1欠陥検出装置、
前記移動経路に沿った第2の位置に位置し、前記第1欠陥検出装置に対して予め定めた位置関係に配置され、該第2の位置を通過して移動する際の前記金属棒の複数の画像に対応する第2出力信号を生成するように構成された全周画像検査装置である第2欠陥検出装置、
前記予め定めた位置関係に基づき、前記金属棒の軸方向の位置の関数として、前記第1出力信号及び第2出力信号を同期させるように構成された同期メカニズム、及び、
第1欠陥及び第2欠陥をそれぞれ検出するために、前記第1出力信号又は第2出力信号に対して、それぞれ、応答し、また、該第1出力信号又は第2出力信号のうち、いずれか一方の出力信号を選択して、他方と相互参照する相互参照手段
を備えることを特徴とする検査システム。 - 前記金属棒上のある位置が、第1時点で前記第1欠陥検出装置を通過し、そして、該第1時点に続く第2時点で、第2欠陥検出装置を通過するように、金属棒が動き、さらに、前記検査システムが、
(i)前記第1出力信号に対応する第1データ群を有する第1データ構造と、
(ii)前記第2出力信号に対応する第2データ群を有する第2データ構造と、
を含み、
そして、前記同期メカニズムが前記予め定めた位置関係に基づいて、前記金属棒の軸線方向の位置に応じて、前記第1データ群を前記第2データ群とマッチングする手段を含むことを特徴とする請求項1に記載の検査システム。 - 前記相互参照手段が、前記第1欠陥又は第2欠陥の一方から選択された任意の欠陥に対して、選択されていない前記第1欠陥又は第2欠陥のうち実質的に同じ軸線方向位置に位置する対応欠陥の存在を検証するように形成されたメカニズムを含むことを特徴とする請求項1に記載の検査システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10977408P | 2008-10-30 | 2008-10-30 | |
US61/109,774 | 2008-10-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010107513A JP2010107513A (ja) | 2010-05-13 |
JP5595011B2 true JP5595011B2 (ja) | 2014-09-24 |
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JP2009251400A Active JP5595011B2 (ja) | 2008-10-30 | 2009-10-30 | 金属棒上の表面欠陥の検出及び検証のための検査システム |
Country Status (2)
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US (1) | US8143885B2 (ja) |
JP (1) | JP5595011B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100891842B1 (ko) * | 2007-08-28 | 2009-04-07 | 주식회사 포스코 | 원형 선재 광학결함 검출장치 및 방법 |
US9528952B1 (en) * | 2016-05-17 | 2016-12-27 | Westinghouse Electric Company Llc | Pulsed neutron generated prompt gamma emission measurement system for surface defect detection and analysis |
JP7271866B2 (ja) * | 2018-05-17 | 2023-05-12 | 株式会社島津製作所 | 磁性体検査システムおよびプログラム |
CN113728226B (zh) * | 2019-04-24 | 2024-06-25 | 杰富意钢铁株式会社 | 漏磁探伤装置 |
CN112053336B (zh) * | 2020-08-31 | 2023-05-26 | 中冶赛迪信息技术(重庆)有限公司 | 一种棒材对齐检测方法、***、设备及介质 |
Family Cites Families (16)
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US4510447A (en) * | 1981-10-26 | 1985-04-09 | Exxon Production Research Co. | Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe |
US4673879A (en) | 1984-06-27 | 1987-06-16 | Rupublic Steel Corporation | Eddy current flaw detector having rotatable field defining sleeve for selectively enhancing induced eddy currents in a workpiece |
JPH01134238A (ja) * | 1987-11-19 | 1989-05-26 | Nippon Steel Corp | 鋼板の表面疵検査装置 |
JPH0254165A (ja) * | 1988-08-19 | 1990-02-23 | Kobe Steel Ltd | 管棒材の渦流探傷方法 |
US5006800A (en) | 1989-11-06 | 1991-04-09 | General Electric Company | Eddy current imaging apparatus and method using phase difference detection |
JP2827651B2 (ja) * | 1992-01-20 | 1998-11-25 | 日本鋼管株式会社 | 鋼板の欠陥有害度測定装置 |
AU759780B2 (en) | 1998-05-12 | 2003-05-01 | Kawasaki Steel Corporation | Method and device for displaying signal generated by measurement probe |
JP3530472B2 (ja) | 2000-09-05 | 2004-05-24 | 新日本製鐵株式会社 | 棒鋼の傷検出装置 |
JP2003329600A (ja) * | 2002-05-09 | 2003-11-19 | Nippon Steel Corp | 鋼板の品質管理方法 |
US7460703B2 (en) | 2002-12-03 | 2008-12-02 | Og Technologies, Inc. | Apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar |
US6950546B2 (en) * | 2002-12-03 | 2005-09-27 | Og Technologies, Inc. | Apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar |
US7324681B2 (en) | 2002-12-03 | 2008-01-29 | Og Technologies, Inc. | Apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar |
JP4401817B2 (ja) * | 2004-03-03 | 2010-01-20 | Jfeスチール株式会社 | 鋼帯の外観展開図の情報入力方法 |
JP4816130B2 (ja) * | 2006-02-22 | 2011-11-16 | Jfeスチール株式会社 | 鋼の連続鋳造鋳片の製造方法および鋳片の表層欠陥手入システム。 |
JP2007309690A (ja) * | 2006-05-16 | 2007-11-29 | Daido Steel Co Ltd | 探傷方法および探傷装置 |
JP2009008659A (ja) | 2007-05-25 | 2009-01-15 | Sumitomo Metal Ind Ltd | 表面疵検査装置 |
-
2009
- 2009-10-27 US US12/606,568 patent/US8143885B2/en active Active
- 2009-10-30 JP JP2009251400A patent/JP5595011B2/ja active Active
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US8143885B2 (en) | 2012-03-27 |
US20100109659A1 (en) | 2010-05-06 |
JP2010107513A (ja) | 2010-05-13 |
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