ZA200504514B - An apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar - Google Patents
An apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar Download PDFInfo
- Publication number
- ZA200504514B ZA200504514B ZA200504514A ZA200504514A ZA200504514B ZA 200504514 B ZA200504514 B ZA 200504514B ZA 200504514 A ZA200504514 A ZA 200504514A ZA 200504514 A ZA200504514 A ZA 200504514A ZA 200504514 B ZA200504514 B ZA 200504514B
- Authority
- ZA
- South Africa
- Prior art keywords
- bar
- image
- light
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- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 105
- 239000002184 metal Substances 0.000 title claims description 105
- 230000007547 defect Effects 0.000 title claims description 43
- 238000000034 method Methods 0.000 title claims description 38
- 238000003384 imaging method Methods 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 238000003070 Statistical process control Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims description 2
- 229910000906 Bronze Inorganic materials 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000010974 bronze Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000005297 pyrex Substances 0.000 claims description 2
- 239000010980 sapphire Substances 0.000 claims description 2
- 229910052594 sapphire Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 230000005670 electromagnetic radiation Effects 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 238000001228 spectrum Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 description 29
- 238000013459 approach Methods 0.000 description 13
- 238000005286 illumination Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 235000003642 hunger Nutrition 0.000 description 2
- 238000003331 infrared imaging Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000089409 Erythrina poeppigiana Species 0.000 description 1
- 235000009776 Rathbunia alamosensis Nutrition 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
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- 238000004451 qualitative analysis Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43054902P | 2002-12-03 | 2002-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200504514B true ZA200504514B (en) | 2006-02-22 |
Family
ID=35931802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200504514A ZA200504514B (en) | 2002-12-03 | 2005-06-02 | An apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN1720742B (zh) |
| ES (1) | ES2359373T3 (zh) |
| ZA (1) | ZA200504514B (zh) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2965616B1 (fr) * | 2010-10-01 | 2012-10-05 | Total Sa | Procede d'imagerie d'une conduite longitudinale |
| TWI420069B (zh) * | 2011-01-03 | 2013-12-21 | China Steel Corp | Method of measurement of derusting device configuration |
| CN102836886B (zh) * | 2011-06-24 | 2014-12-03 | 宝山钢铁股份有限公司 | 热轧轧件头尾位置及运动方向的检测方法 |
| US20140152771A1 (en) * | 2012-12-01 | 2014-06-05 | Og Technologies, Inc. | Method and apparatus of profile measurement |
| ES2890649T3 (es) * | 2013-05-23 | 2022-01-21 | Rina Consulting Centro Sviluppo Mat S P A | Método para la inspección de superficie de productos largos y aparato adecuado para llevar a cabo dicho método |
| CN103900425B (zh) * | 2014-04-18 | 2015-04-15 | 东冠科技(上海)有限公司 | 一种使用凸轮分度器的枪弹炮弹视觉检测设备 |
| CN105445285A (zh) * | 2014-09-26 | 2016-03-30 | 宝山钢铁股份有限公司 | 用于无张力约束下线材视觉检测装置及方法 |
| JP6528308B2 (ja) * | 2015-02-05 | 2019-06-12 | 国立大学法人神戸大学 | 形状評価方法および形状評価装置 |
| CN105115988A (zh) * | 2015-07-02 | 2015-12-02 | 上海齐宏检测技术有限公司 | 环面检测装置及方法 |
| CN107666569B (zh) * | 2016-07-29 | 2020-04-28 | 宝山钢铁股份有限公司 | 钢管表面检测装置的自动对焦方法 |
| CN106307813A (zh) * | 2016-10-12 | 2017-01-11 | 温州医科大学仁济学院 | 胶鞋围条宽度自动测量装置及方法 |
| CN106501267A (zh) * | 2016-10-18 | 2017-03-15 | 凌云光技术集团有限责任公司 | 用于表面缺陷检测的线性光源装置及系统 |
| CN106841234A (zh) * | 2016-12-30 | 2017-06-13 | 日照宝华新材料有限公司 | 酸洗平整表面氧化铁皮缺陷分类方法 |
| CN107462520B (zh) * | 2017-07-25 | 2023-11-28 | 杭州电子科技大学 | 面向有限空间基于机器视觉的不锈钢板在线检测装置 |
| CN107782733B (zh) * | 2017-09-30 | 2021-03-16 | 中国船舶重工集团公司第七一九研究所 | 金属表面缺陷的图像识别无损检测装置及方法 |
| CN109613007B (zh) * | 2018-12-25 | 2021-04-23 | 新昌县伐诚农业开发有限公司 | 琴竹破损识别平台 |
| CN113406094B (zh) * | 2021-05-20 | 2022-11-29 | 电子科技大学 | 一种基于图像处理的金属表面缺陷在线检测装置和方法 |
| CN113804125A (zh) * | 2021-09-29 | 2021-12-17 | 镇江福坤船舶配件有限公司 | 一种艉轴架铸件表面线型偏差检验方法 |
| CN115451848B (zh) * | 2022-09-22 | 2023-11-03 | 江阴市晶磁电子有限公司 | 用于传感器铁芯检验的辨识系统 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4635111A (en) * | 1985-04-05 | 1987-01-06 | The United States Of America As Represented By The United States Department Of Energy | Optical fiber inspection system |
| JPH041614A (ja) * | 1990-04-18 | 1992-01-07 | Mitsubishi Electric Corp | 光増幅装置 |
| US5654977A (en) * | 1995-02-02 | 1997-08-05 | Teledyne Industries Inc. | Method and apparatus for real time defect inspection of metal at elevated temperature |
| CN1197511A (zh) * | 1995-06-16 | 1998-10-28 | 联合金属公司 | 检测金属产品表面上开口缺陷的方法和装置 |
| JPH09311109A (ja) * | 1996-05-22 | 1997-12-02 | Matsushita Electric Ind Co Ltd | 光を使用した欠陥検査方法、およびその装置 |
-
2003
- 2003-11-26 ES ES03790201T patent/ES2359373T3/es not_active Expired - Lifetime
- 2003-11-26 CN CN200380105040.2A patent/CN1720742B/zh not_active Expired - Lifetime
- 2003-11-26 CN CN 200810174449 patent/CN101448143B/zh not_active Expired - Lifetime
-
2005
- 2005-06-02 ZA ZA200504514A patent/ZA200504514B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN101448143A (zh) | 2009-06-03 |
| CN101448143B (zh) | 2013-06-05 |
| CN1720742A (zh) | 2006-01-11 |
| CN1720742B (zh) | 2012-01-04 |
| ES2359373T3 (es) | 2011-05-20 |
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