JP5411142B2 - 細長い金属帯状片の安定化および視覚的監視のための装置および方法 - Google Patents
細長い金属帯状片の安定化および視覚的監視のための装置および方法 Download PDFInfo
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- 229910052751 metal Inorganic materials 0.000 title claims description 45
- 239000002184 metal Substances 0.000 title claims description 45
- 230000006641 stabilisation Effects 0.000 title claims description 45
- 238000011105 stabilization Methods 0.000 title claims description 45
- 238000000034 method Methods 0.000 title claims description 12
- 238000012544 monitoring process Methods 0.000 title claims description 7
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- 238000011144 upstream manufacturing Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 17
- 230000000087 stabilizing effect Effects 0.000 claims description 16
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- 238000001514 detection method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 description 14
- 238000000576 coating method Methods 0.000 description 14
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
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- 230000001788 irregular Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- B05C11/06—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with a blast of gas or vapour
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
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- C23C2/524—Position of the substrate
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
- G01B11/0683—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating measurement during deposition or removal of the layer
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- G01N21/88—Investigating the presence of flaws or contamination
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- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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Description
Claims (14)
- 溶融金属の槽(2)に連続的に通されることによって金属層でコーティングされ、前記槽(2)から所定の搬送経路(X)に沿って搬送されるように意図されている細長い金属帯状片(1)に関し、
前記所定の搬送経路(X)に関して前記帯状片(1)の安定化を行うように構成され、前記帯状片(1)の各側に配置された少なくとも1つの電磁石を有する少なくとも1つの第1組の電磁石(8、9)を備える少なくとも1つの電磁安定化装置(7)と、
前記帯状片(1)の各側に配置された少なくとも1つのエアナイフを有する少なくとも1組のエアナイフ(5、6)を備えており、空気流を前記帯状片(1)の搬送方向(22)を横切りかつ前記帯状片(1)の基本的に全幅を横切る線へと向けることによって前記帯状片(1)から余分な溶融金属を取り去るためのワイプ装置(4)と、
を備えており、
前記細長い金属帯状片(1)が前記所定の搬送経路(X)に沿って前記搬送方向(22)に連続的に搬送される際に前記帯状片(1)を監視し、安定化させる装置であって、
少なくとも第1の画像読み取り装置(16)が、前記ワイプ装置(4)の下流かつ前記電磁安定化装置(7)の上流の第1の領域に配置され、前記所定の搬送経路(X)に関する前記帯状片(1)の実際の位置の複数の画像を取得するように構成されており、
少なくとも第2の画像読み取り装置(19)が、前記ワイプ装置(4)の下流かつ前記電磁安定化装置(7)の上流の第2の領域に配置され、前記帯状片(1)の表面の1つ以上の画像を取得するように構成されており、
少なくとも第3の画像読み取り装置(20)が、前記電磁安定化装置(7)の下流の第3の領域に配置され、前記帯状片(1)の表面の1つ以上の画像を取得するように構成されており、
少なくとも1つの画像処理ユニット(17)が、前記第1の画像読み取り装置(16)によって取得された前記帯状片(1)の位置の画像に基づいて、前記所定の搬送経路(X)に関する前記帯状片(1)の実際の位置を割り出すように配置および構成されるとともに、前記第2および第3の画像読み取り装置の助けによって取得された前記帯状片(1)の表面の画像に基づいて、前記表面の欠陥を検出するようにさらに構成されており、
少なくとも1つの計算モジュールが、前記画像処理ユニット(17)によって割り出された前記帯状片(1)の位置に基づいて、前記所定の搬送経路(X)に関する前記帯状片(1)のずれを計算するように構成されており、
少なくとも1つの制御装置(21)が、前記帯状片(1)と前記所定の搬送経路(X)との間に検出されたずれに応じて、前記帯状片の所定の搬送経路(X)に関する位置を維持できるような磁力を前記帯状片(1)へと加えるために、前記電磁安定化装置の電磁石(8、9)への電流を制御するように意図されていることを特徴とする、装置。 - 前記第3の画像読み取り装置(20)が、前記電磁石(8、9)のすぐ下流に配置されていることを特徴とする、請求項1に記載の装置。
- 前記第1の画像読み取り装置(16)が、固定された時間間隔において、前記ワイプ装置(4)の下流かつ前記電磁安定化装置(7)の上流の前記帯状片(1)の位置の1つ以上の画像を取得するように構成され、
前記第2の画像読み取り装置も、固定された時間間隔において、前記ワイプ装置(4)の下流かつ前記電磁安定化装置(7)の上流の前記帯状片(1)の表面の1つ以上の画像を取得するように構成され、
前記第3の画像読み取り装置(20)が、固定された時間間隔において、前記電磁安定化装置(7)の下流の前記帯状片(1)の表面の1つ以上の画像を取得するように構成されていることを特徴とする、請求項1に記載の装置。 - 前記第1の画像読み取り装置(16)が、前記ワイプ装置(4)の下流かつ前記電磁安定化装置(7)の上流で、前記帯状片(1)の位置を連続的に撮影するように構成され、
前記第2の画像読み取り装置(19)が、前記ワイプ装置(4)の下流かつ前記電磁安定化装置(7)の上流で、前記帯状片(1)の表面を撮影するように構成され、
前記第3の画像読み取り装置(20)が、前記電磁安定化装置(7)の下流で、前記帯状片(1)の表面を撮影するように構成されていることを特徴とする、請求項1に記載の装置。 - 前記第1(16)、第2(19)、および第3(20)の画像読み取り装置のうちの少なくとも1つが、スチルカメラの形態である、請求項3に記載の装置。
- 前記第1(16)、第2(19)、および第3(20)の画像読み取り装置のうちの少なくともいずれかが、フィルムカメラまたはビデオカメラの形態である、請求項4に記載の装置。
- 前記第1(16)、第2(19)、および第3(20)の画像読み取り装置のうちの少なくとも1つが、ウェブカメラの形態である、請求項4に記載の装置。
- 前記第1(16)、第2(19)、および第3(20)の画像読み取り装置のうちの少なくとも1つが、赤外線カメラの形態である、請求項3または4に記載の装置。
- 前記第1(16)、第2(19)、および第3(20)の画像読み取り装置のうちの少なくとも1つが、高速度カメラの形態である、請求項3または4に記載の装置。
- 前記画像読み取り装置(16、19、20)が、請求項5〜9に記載の特徴のうちの少なくとも2つの組み合わせで構成されている、請求項3または4に記載の装置。
- さらに前記制御装置(21)が、以下のプロセスパラメータ、すなわち
前記帯状片(1)の厚さ、
前記帯状片(1)へと適用される溶融金属の層の厚さ、
前記帯状片(1)の幅、
前記帯状片(1)の速度、
前記帯状片(1)のジョイントおよび引っ張り強度、
のうちの少なくとも1つに基づいて、前記電磁安定化装置(7)の電磁石(8、9)への電流を制御する、請求項1〜10のいずれかに記載の装置。 - 溶融金属の槽(2)に連続的に通されることによって金属層でコーティングされる細長い金属帯状片(1)に関し、所定の搬送経路(X)に沿って搬送方向(22)に連続的に搬送される際の前記帯状片(1)を監視および安定化する方法であって、
前記槽(2)から前記所定の搬送経路(X)に沿った方向に金属帯状片(1)を搬送するステップと、
前記所定の搬送経路(X)に関して前記帯状片(1)の位置を安定させるために、必要に応じて、前記帯状片(1)の各側に配置された少なくとも1つの電磁石(8、9)を有する少なくとも1組の電磁石(8、9)を備える電磁安定化装置(7)によって、前記帯状片(1)へと磁力を加えるステップと、
前記帯状片の各側に少なくとも1つのエアナイフ(5、6)を備えているワイプ装置(4)によって生成される気流またはガス流を、前記帯状片(1)の搬送方向(22)を横切りかつ前記帯状片(1)の基本的に全幅を横切る線にて前記帯状片(1)へと向けることによって、前記帯状片(1)から余分な溶融金属を取り去るステップと、
を含み、
前記所定の搬送経路(X)の位置に関する前記帯状片(1)の実際の位置の検出が、前記ワイプ装置(4)の下流かつ前記電磁安定化装置(7)の上流の第1の位置の少なくとも1つの第1の画像読み取り装置(16)によって、前記帯状片(1)の位置の複数の画像を取得し、取得された画像に基づいて前記所定の搬送経路(X)に関する前記帯状片(1)の位置を画像処理ユニット(17)によって割り出すことによって実行され、
前記帯状片(1)の表面の欠陥の検出が、前記ワイプ装置(4)の下流かつ前記電磁安定化装置(7)の上流の第2の位置の少なくとも1つの第2の画像読み取り装置(19)によって、前記帯状片(1)の表面の1つ以上の画像を取得し、前記電磁安定化装置(7)の下流の第3の位置の少なくとも1つの第3の画像読み取り装置(20)によって、前記帯状片(1)の表面の1つ以上の画像を取得し、取得した画像を画像処理ユニット(17)を使用して分析し、前記欠陥(存在するのであれば)を検出することによって実行され、
少なくとも1つの計算モジュールが、取得された前記帯状片(1)の位置の画像に基づいて、前記所定の搬送経路(X)に関する前記帯状片(1)のずれを計算し、
少なくとも1つの制御装置(21)が、前記帯状片(1)の所定の搬送経路(X)に関する所望の位置を維持できるよう、磁力を前記帯状片(1)へと加えるために、前記電磁安定化装置(7)の電磁石(8、9)への電流を制御することを特徴とする、方法。 - オペレータ(18)が、前記帯状片(1)について前記所定の搬送経路(X)に関する望ましくない位置を検出したときに、前記帯状片を前記所定の搬送経路(X)に関する所望の位置へと戻す安定化力が前記帯状片(1)へと加えられるように、前記電磁安定化装置(7)の電磁石(8、9)のコイルへの電流を手動で制御する、請求項12に記載の方法。
- オペレータ(18)が、手動にてリアルタイムで、前記第2の画像読み取り装置(19)の助けによって取得された画像を、前記第3の画像読み取り装置(20)の助けによって取得された画像と比較し、前記帯状片(1)の表面に望ましくない欠陥を検出したときに、手動にてリアルタイムで、前記帯状片(1)上の溶融金属の取り去りを左右するエアナイフ(5、6)からの空気またはガスの流れを制御し、さらに前記帯状片(1)へと安定化力が加えられるように前記電磁安定化装置(7)の電磁石(8、9)のコイルへの電流を手動で制御する、請求項12に記載の方法。
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SE0702163A SE0702163L (sv) | 2007-09-25 | 2007-09-25 | En anordning och ett förfarande för stabilisering och visuell övervakning av ett långsträckt metalliskt band |
SE0702163-7 | 2007-09-25 | ||
PCT/EP2008/061840 WO2009040234A2 (en) | 2007-09-25 | 2008-09-08 | A device and a method for stabilization and visual monitoring of an elongated meallic strip |
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CN101849030A (zh) | 2010-09-29 |
US20100209591A1 (en) | 2010-08-19 |
EP2207908A2 (en) | 2010-07-21 |
SE531120C2 (sv) | 2008-12-23 |
WO2009040234A3 (en) | 2010-03-25 |
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