JPS61193055A - Method and instrument for inspecting surface defect of metallic clad material - Google Patents
Method and instrument for inspecting surface defect of metallic clad materialInfo
- Publication number
- JPS61193055A JPS61193055A JP3404185A JP3404185A JPS61193055A JP S61193055 A JPS61193055 A JP S61193055A JP 3404185 A JP3404185 A JP 3404185A JP 3404185 A JP3404185 A JP 3404185A JP S61193055 A JPS61193055 A JP S61193055A
- Authority
- JP
- Japan
- Prior art keywords
- clad material
- metal clad
- reflected light
- roller
- light
- 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.)
- Pending
Links
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
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、例えばベース帯材の中央に接点帯材をインレ
イしたクラッド接点帯材のような金属クラッド材の表面
にクラッドされた材料の張り位置、張りの欠損、傷、異
物付着、変色及びしみ、側端部の上下のゆがみ、ふくれ
等の表面欠陥を検査する方法及びその装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention is directed to the application of a material clad on the surface of a metal clad material, such as a clad contact strip material in which a contact strip material is inlaid in the center of a base strip material. The present invention relates to a method and apparatus for inspecting surface defects such as position, tension loss, scratches, foreign matter adhesion, discoloration and stains, vertical distortion of side edges, and blisters.
（従来の技術）
従来、上記クラッド接点帯材のような金属クラッド材の
表面欠陥の検査は、一般に走行搬送中検査員が目視によ
り行っている。(Prior Art) Conventionally, surface defects of a metal clad material such as the above-mentioned clad contact strip material are generally inspected visually by an inspector while the material is being transported.
（発明が解決しようとする問題点）
ところで、上記の前者の検査方法では、検査員が長時間
継続して目視により検査していると、表面欠陥の検査項
目が多いだけに見落しが生じ、信頼性に乏しいという問
題点がある。(Problems to be Solved by the Invention) By the way, in the above-mentioned former inspection method, if the inspector continues to visually inspect for a long time, there are many inspection items for surface defects, so oversights occur. The problem is that it lacks reliability.
そこで、本発明は、金属クラッド材の表面欠陥を、自動
的に検査でき、しかも正確且つ確実に検査できる方法及
びそのｇ置を提供しようとするものである。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a method and a setting for automatically inspecting a metal clad material for surface defects in an accurate and reliable manner.
（問題点を解決するための手段）
上記問題点を解決するための本発明による金属クラッド
材の表面欠陥検査方法は、金属クラッド材の表面に投光
してその反射光を検出し、その検出信号と表面基準信号
との比較により金属クラッド材の表面欠陥を検査するこ
とを特徴とする。(Means for Solving the Problems) In order to solve the above problems, the surface defect inspection method for metal clad materials according to the present invention projects light onto the surface of the metal clad materials and detects the reflected light. It is characterized by inspecting the surface defects of a metal clad material by comparing the signal with a surface reference signal.
また、上記表面欠陥検査方法を実施するための表面欠陥
検査装置は、金属クラッド材を走行させる搬送機と、走
行中の金属クラッド材の表面に投光器と、金属クラッド
材の表面に投光されて反射する反射光を検出する検出器
と、検出器で検出した反射光に応じて発した金属クラッ
ド材の表面検出信号を予め記憶させた表面基準信号と比
較判定する判定器とより成るものである。Further, the surface defect inspection device for carrying out the above surface defect inspection method includes a conveyor for running the metal clad material, a light projector for the surface of the metal clad material while it is being moved, and a light projector for projecting light onto the surface of the metal clad material. It consists of a detector that detects the reflected light and a judge that compares and judges the surface detection signal of the metal clad material emitted in response to the reflected light detected by the detector with a pre-stored surface reference signal. .
（実施例）
本発明の一実施例を詳細に説明する。先ず本発明による
金属クラッド材の表面欠陥検査方法を実施する為の装置
を第１図によって説明する。５．５′は被検材である金
属クラッド材ｌを走行させる搬送機の検査部への導入ロ
ーラと検査部からの送出ローラで、その途中に走行する
金属クラッド材１を支持するローラ６が設けられている
。このローラ６は、本例では外径５０Ｑｍｍ、幅１００
ｍｍで、そのローラ面はフラットで被検材の走向位置を
明確にする目的で艶消し、つまり無光沢とする為、セラ
ミックスコーティングしである。このセラミックスコー
ティングの代りに、窒化処理等の表面処理を行っても良
く、またローラ面上に布や紙を巻付けたり、合成樹脂ロ
ーラを用いても良い。(Example) An example of the present invention will be described in detail. First, an apparatus for carrying out the method for inspecting surface defects of metal cladding materials according to the present invention will be explained with reference to FIG. 5.5' is an introduction roller to the inspection section of the conveyor that runs the metal clad material 1, which is the material to be inspected, and a delivery roller from the inspection section. It is provided. In this example, this roller 6 has an outer diameter of 50Qmm and a width of 100mm.
mm, and the roller surface is flat and coated with ceramics to make it matte or non-glossy for the purpose of clarifying the strike position of the specimen. Instead of this ceramic coating, surface treatment such as nitriding may be performed, cloth or paper may be wrapped around the roller surface, or a synthetic resin roller may be used.
前記ローラ６の垂直軸線ｌを中心として、ローラ６の前
部上方及び後部上方には夫々θ３、θ２の角度、本例で
は夫々３０°の傾斜角で、ローラ６の頂部を通過する金
属クラッド材ｌの表面に投光する投光機７と、金属クラ
ッド材ｌの表面に投光されて反射する反射光を検出する
検出器８とが設けられている。投光機７は、本例ではノ
＼ロゲン球（ＤＣｌｏｏＶ、１００Ｗ）を備えたもので
あり、検出器８は、本例では２０４８ピッ１−ＣＣＤリ
ニャマレイセンサである。検出器８の前面には、被検材
である金属クラッド材１に応じて適当なフィルター９が
設けられている。検出器８には、判定器１０が電気的に
接続されている。この判定器１０には、被検材である金
属クラッド材１の正常な表面の基準信号を予め記憶させ
る識別回路を有し、前記検出器８から入る金属クラッド
材１の表面検出信号と比較判定するようになっている。With the vertical axis l of the roller 6 as the center, a metal clad material passes over the top of the roller 6 at an angle of θ3 and θ2, respectively at an angle of θ3 and an angle of θ2 above the rear of the roller 6, passing over the top of the roller 6. A light projector 7 that projects light onto the surface of the metal cladding material l, and a detector 8 that detects the reflected light that is projected onto the surface of the metal cladding material l and are reflected are provided. The projector 7 is equipped with a normal bulb (DClooV, 100W) in this example, and the detector 8 is a 2048 Pi1-CCD Linear Murray sensor in this example. A suitable filter 9 is provided on the front surface of the detector 8 depending on the metal clad material 1 that is the material to be tested. A determiner 10 is electrically connected to the detector 8 . This determination device 10 has an identification circuit that stores in advance a reference signal of a normal surface of the metal clad material 1, which is the material to be inspected, and compares it with the surface detection signal of the metal clad material 1 input from the detector 8. It is supposed to be done.
前記識別回路に予め記憶させる金属クラッド材ｌの正常
な表面の基準信号とは、金属クラッド材１の表面のクラ
ッドされた材料の張り位置の許容誤差、張りの欠損、傷
の許容できる大きさ、異物付着の許容量、変色及びじみ
の許容程度、側端部の上下のゆがみ、ふくれの許容量を
指定した範囲内の検出信号を指すものである。The reference signal of the normal surface of the metal clad material 1, which is stored in advance in the identification circuit, refers to the permissible error in the tension position of the clad material on the surface of the metal clad material 1, the lack of tension, the allowable size of scratches, This refers to a detection signal within a specified range of the allowable amount of foreign matter adhesion, the allowable degree of discoloration and bleeding, the allowable amount of vertical distortion of the side edges, and the allowable amount of blistering.
尚、前記検出器８は、ズームレンズを備えた工業用テレ
ビカメラでも良いものである。Note that the detector 8 may be an industrial television camera equipped with a zoom lens.
上述の如く構成された本発明の金属クラッド材の表面欠
陥検査装置を用いて、金属クラッド材の表面欠陥を検査
する本発明の方法について説明すると、表面欠陥を検査
する金属クラッド材ｌは、第２図に示す幅２５ｍｍ、厚
さ０．０８ｍｍの洋白より成るベース帯材１ａの中央に
、幅５ｍｍ、厚さ５μのＡｕ−Ａｇ５０％より成る接点
帯材１ｂをクラッドしたもので、これをロール圧延によ
る成形後、搬送機の導入ローラ５にて検査部へ導入し、
ローラ６にかけまわし、送出ローラ５′にて送出して、
検査部門をクラッド接点帯材ｌを走行させる。この走行
するクラッド接点帯材１は、ローラ６の頂部を通過する
際、投光機７から表面に投光される。その投光された光
は、クラッド接点帯材１の表面で反射し、その反射光が
フィルター９を通して検出器８により検出される。この
検出された反射光は、クラッド接点帯材１の表面に応じ
た反射光、つまりクラッド接点帯材１の表面にクラッド
された接点帯材１ｂの状態に応じた反射光であるから、
検出器８からは接点帯材１ｂの表面検出信号が発し、判
定器１０に送られる。この判定器１０に送られた表面検
出信号は、該判定器ＩＯ内の識別回路に予め記憶させた
クラッド接点帯材１の正常な表面の基準信号と比較判定
され、合否の信号が発する６合格化号が発している時は
送出ローラ５′にて連続的に送られるが、否定信号が発
すると、クラッド接点帯材１の表面の接点帯材１ｂの張
り位置、張りの欠損、傷、異物付着、変色及びしみ、側
端部の上下のゆがみ、ふくれ等のいずれかが許容値以上
あって、クラッド接点帯材１に不良部分を有することが
確認され、所要の処置が講じられる。例えば、否定信号
が発すると同時に搬送機が自動的に停止せしめられ、不
良部分がマークされるかあるいは切断除去される。To explain the method of the present invention for inspecting surface defects of a metal clad material using the surface defect inspection apparatus for a metal clad material of the present invention configured as described above, the metal clad material l to be inspected for surface defects is As shown in Fig. 2, a base strip 1a made of nickel silver with a width of 25 mm and a thickness of 0.08 mm is clad with a contact strip 1b made of 50% Au-Ag with a width of 5 mm and a thickness of 5 μ in the center. After forming by roll rolling, it is introduced into the inspection section by the introduction roller 5 of the conveyor,
It is passed around the roller 6, sent out by the delivery roller 5',
Run the clad contact strip l through the inspection section. When this traveling clad contact strip 1 passes the top of the roller 6, light is projected onto the surface from a projector 7. The projected light is reflected on the surface of the clad contact strip 1, and the reflected light is detected by the detector 8 through the filter 9. This detected reflected light is reflected light according to the surface of the clad contact strip 1, that is, reflected light according to the state of the contact strip 1b clad on the surface of the clad contact strip 1.
A surface detection signal of the contact strip material 1b is generated from the detector 8 and sent to the determiner 10. The surface detection signal sent to the judge 10 is compared with a reference signal of the normal surface of the clad contact strip material 1 stored in advance in the identification circuit in the judge IO, and a pass/fail signal is issued. When a negative signal is issued, the feed roller 5' continuously sends the signal, but when a negative signal is issued, the tension position of the contact strip material 1b on the surface of the clad contact strip material 1, lack of tension, scratches, foreign matter, etc. If any of the adhesion, discoloration, stains, vertical distortion of the side edges, bulges, etc. exceeds the allowable value, it is confirmed that the clad contact strip material 1 has a defective part, and necessary measures are taken. For example, as soon as a negative signal is issued, the conveyor is automatically stopped and the defective part is marked or cut out.
（発明の効果）
以上の説明で判るように本発明によれば、金属クラッド
材の表面のクラッドされた材料の張り位置、張りの欠損
、傷、異物付着、変色及びしみ、側端部の上下のゆがみ
、ふくれ等の表面欠陥を自動的に検査でき、しかも正確
且つ確実に検査できるので、表面欠陥検査が能率化し、
信幀性が著しく向上する等の優れた効果を奏する。(Effects of the Invention) As can be seen from the above description, according to the present invention, the tension position of the clad material on the surface of the metal clad material, lack of tension, scratches, adhesion of foreign matter, discoloration and stains, upper and lower side edges, Surface defects such as distortion and blistering can be automatically inspected, and the inspection can be done accurately and reliably, making surface defect inspection more efficient.
It has excellent effects such as significantly improving reliability.
第１図は本発明による金属クラッド材の表面欠陥検査装
置の概略図、第２図は表面欠陥を検査する金属クラッド
材の一例であるクラッド接点帯材を示す断面図である。FIG. 1 is a schematic diagram of a surface defect inspection apparatus for metal clad materials according to the present invention, and FIG. 2 is a sectional view showing a clad contact strip material, which is an example of the metal clad material to be inspected for surface defects.
Claims (1)
表面に投光してその反射光を検出し、その検出信号と表
面基準信号との比較により金属クラッド材の表面欠陥を
検査することを特徴とする金属クラッド材の表面欠陥検
査方法。 ２）金属クラッド材を走行させる搬送機と、走行中の金
属クラッド材の表面に投光する投光器と、金属クラッド
材の表面に投光されて反射する反射光を検出する検出器
と、検出器で検出した反射光に応じて発した金属クラッ
ド材の表面検出信号を予め記憶させた表面基準信号と比
較判定する判定器とより成る金属クラッド材の表面欠陥
検査装置。[Claims] 1) A metal clad material is run, light is emitted onto the surface of the metal clad material, the reflected light is detected, and the detection signal is compared with a surface reference signal to detect surface defects in the metal clad material. 1. A method for inspecting surface defects of metal cladding materials. 2) A conveyor that travels the metal clad material, a light projector that emits light onto the surface of the metal clad material that is traveling, a detector that detects the reflected light that is projected onto the surface of the metal clad material, and a detector. A surface defect inspection device for a metal clad material, comprising a determiner that compares and determines a surface detection signal of the metal clad material emitted in response to reflected light detected by a surface reference signal stored in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3404185A JPS61193055A (en) | 1985-02-22 | 1985-02-22 | Method and instrument for inspecting surface defect of metallic clad material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3404185A JPS61193055A (en) | 1985-02-22 | 1985-02-22 | Method and instrument for inspecting surface defect of metallic clad material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61193055A true JPS61193055A (en) | 1986-08-27 |
Family
ID=12403233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3404185A Pending JPS61193055A (en) | 1985-02-22 | 1985-02-22 | Method and instrument for inspecting surface defect of metallic clad material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61193055A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63293684A (en) * | 1987-05-27 | 1988-11-30 | Fuji Electric Co Ltd | Illuminating method for utilizing visible light and ultraviolet light in image processing |
| JPH0325104U (en) * | 1989-07-21 | 1991-03-14 | ||
| US9260785B2 (en) | 2011-06-29 | 2016-02-16 | Rolls-Royce Plc | Inspection of a component |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4866886A (en) * | 1971-12-17 | 1973-09-13 |
-
1985
- 1985-02-22 JP JP3404185A patent/JPS61193055A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4866886A (en) * | 1971-12-17 | 1973-09-13 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63293684A (en) * | 1987-05-27 | 1988-11-30 | Fuji Electric Co Ltd | Illuminating method for utilizing visible light and ultraviolet light in image processing |
| JPH0325104U (en) * | 1989-07-21 | 1991-03-14 | ||
| US9260785B2 (en) | 2011-06-29 | 2016-02-16 | Rolls-Royce Plc | Inspection of a component |
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