JPH02116705A - Measuring apparatus of thickness of coating film on coated plate material - Google Patents
Measuring apparatus of thickness of coating film on coated plate materialInfo
- Publication number
- JPH02116705A JPH02116705A JP27177688A JP27177688A JPH02116705A JP H02116705 A JPH02116705 A JP H02116705A JP 27177688 A JP27177688 A JP 27177688A JP 27177688 A JP27177688 A JP 27177688A JP H02116705 A JPH02116705 A JP H02116705A
- Authority
- JP
- Japan
- Prior art keywords
- paint
- film thickness
- coating
- roll
- board
- 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
- 239000011248 coating agent Substances 0.000 title claims abstract description 42
- 238000000576 coating method Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 title claims abstract description 28
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 239000003973 paint Substances 0.000 claims description 46
- 238000001035 drying Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000000843 powder Substances 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Coating Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
この発明は、塗装板材の塗布膜厚測定装置に係り、詳し
くは走行する鋼板表面にロールコータで塗料を塗布する
塗装部と前記板材に塗布された塗料を乾燥させる乾燥部
とが設けられた塗装板材製造設備における塗装板材の塗
布膜厚測定装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a coating film thickness measuring device for coated plate materials, and specifically relates to a coating section that applies paint to the surface of a traveling steel plate using a roll coater, and a device for measuring the coating film thickness of coated plate materials. The present invention relates to a coating film thickness measuring device for painted board materials in a painted board manufacturing facility that is provided with a drying section for drying painted paint.
「従来の技術」
カラー鋼板等の塗膜厚を連続して測定する赤外線を使用
した測定手段がある。``Prior Art'' There is a measurement method that uses infrared rays to continuously measure the coating thickness of color steel plates and the like.
これの原理は、塗料の成分により特定波長の赤外線が塗
料に吸収されるという性質を利用し連続して搬送されて
来る塗装を施した鋼板に、基準黒体炉から基準赤外線を
照射し、鋼板によって反射された赤外線をフィルタを介
して測定し、塗膜により吸収された赤外線を測定するこ
とによって塗膜厚を検出するようにしたものである。こ
れに属し、発展させたものとしては特公昭６２−１７１
６７号がある。これは前記手段では、単波長赤外線を使
用したのでは、多品種の塗料の塗膜厚を同程度の高精度
で測定することができないという欠点があり、この欠点
については、多種類の物体に対応できる帯域波長のフィ
ルタを使用し、時分割により塗膜の赤外線透過信号、反
射原板からの放射信号および温度による放射信号を用い
て周期的に比較補正することが極めて有効であることを
見出し、この事実にもとづき、物体の温度により放射さ
れる赤外線および周囲から入射する赤外線により塗膜厚
に及ぼす影響を除き正確に塗膜厚を測定するようにした
もので、赤外線を照射する基準黒体炉と、塗膜面で一部
が吸収されて減衰した後の原板から反射した未吸収赤外
線の強さを測定するセンサと、前記基準黒体炉近傍の塗
膜面から温度により放射される赤外線を測定するセンサ
と、前記赤外線のうち所定範囲の波長を通過させる少な
くとも１個のフィルタとを設けるとともに、時分割によ
り前記塗膜面で一部が吸収されて減衰した後の原板から
反射した未吸収赤外線の強さを測定するセンサからの信
号と前記基準黒体炉近傍の塗膜面から温度により放射さ
れる赤外線を測定するセンサからの信号と、塗膜面を遮
蔽したとき各センサに入射する赤外線等により出力され
る基準信号と基準サンプルの測定にもとづく検出信号と
から膜厚を演算する制御装置とを設けたことを特徴とす
る。The principle of this is to utilize the property that infrared rays of a specific wavelength are absorbed by the paint due to the components of the paint, and the coated steel plate that is continuously transported is irradiated with reference infrared rays from a reference blackbody furnace. The coating thickness is detected by measuring the infrared rays reflected by the coating through a filter and measuring the infrared rays absorbed by the coating. The one that belongs to this category and was developed is
There is No. 67. This is because the method described above has the disadvantage that it is not possible to measure the coating thickness of various types of paint with the same high precision when using single wavelength infrared rays. We found that it is extremely effective to periodically compare and correct the infrared transmission signal of the coating film, the radiation signal from the reflective plate, and the radiation signal due to temperature in a time-sharing manner using a filter with a corresponding wavelength band. Based on this fact, the system is designed to accurately measure coating thickness by eliminating the effects of infrared rays emitted by the object's temperature and infrared rays incident from the surroundings on the coating thickness. , a sensor that measures the intensity of unabsorbed infrared rays reflected from the original plate after being partially absorbed and attenuated by the coating surface, and a sensor that measures the infrared rays emitted by temperature from the coating surface near the reference blackbody furnace. A sensor for measuring the infrared rays and at least one filter that passes a predetermined range of wavelengths of the infrared rays are provided, and unabsorbed light reflected from the original plate after being partially absorbed and attenuated by the coating surface by time sharing. A signal from a sensor that measures the intensity of infrared rays, a signal from a sensor that measures infrared rays emitted by temperature from the coating surface near the reference blackbody furnace, and a signal that enters each sensor when the coating surface is shielded. The present invention is characterized in that it includes a control device that calculates the film thickness from a reference signal outputted by infrared rays or the like and a detection signal based on measurement of a reference sample.
ｒ発明が解決しようとする課題」
しかるに、叙上の如く赤外線を塗装を施した鋼板に照射
し、当該鋼板で反射された赤外線を測定する手段である
以上、次記する不都合は解消不可である。``Problem to be Solved by the Invention'' However, as described above, since the method is to irradiate a painted steel plate with infrared rays and measure the infrared rays reflected by the steel plate, the following disadvantages cannot be overcome. .
（１）塗装下地の影響により測定値がばらつく。(1) Measured values vary due to the influence of the paint base.
（２）塗料によって赤外線の吸収波長が異なり多品種の
塗料に対応できるフィルタはなく特定塗料の膜厚しか測
定できない。又フィルタを複数個設いることは装置を複
雑化する。(2) The absorption wavelength of infrared rays differs depending on the paint, and there is no filter that can handle a wide variety of paints, and it is only possible to measure the film thickness of a specific paint. Furthermore, providing a plurality of filters complicates the device.
（３）金属粉の混入した塗料については、金属粉による
反射、吸収が加わりばらつきが大きく測定できない。(3) For paints containing metal powder, measurement is not possible due to large variations due to reflection and absorption by the metal powder.
本発明は、塗装下地に影響されず、塗料が有する赤外線
の吸収波長の差異にも影響されず、さらには塗料中に金
属粉が混入していても影響を受けることなくして、塗布
膜厚を測定することが出来る塗装板材の塗布膜厚測定装
置を提供することを目的としている。The present invention is capable of increasing the coating film thickness without being affected by the coating base, by differences in the absorption wavelength of infrared rays possessed by the paint, and even by the presence of metal powder mixed into the paint. The object of the present invention is to provide a coating film thickness measuring device for coated plate materials that can be measured.
「課題を解決するための手段Ｊ
上記目的を達成するために、本発明は、走行する板材表
面にロールコータで塗料を塗布する塗装部と板材に塗布
された塗料を乾燥させる乾燥炉とが設けられた塗装板材
製造設備における塗料が塗布された板材の未乾燥状態の
塗料の膜厚を測定する塗装板材の塗布脱膜測定装置にお
いて、板材に塗料を転写するロール上の塗料の膜厚を塗
膜表面に作用する反射型の光学式距離計を用いて測定す
るものとし、当該測定装置を板材に転写する前後に配し
、この前後で測定した膜厚の差と板材に塗料を転写する
ロールの周速及び板材の速度から未乾燥状態の塗料の膜
厚を演算する装置を備えるとしたものである。Means for Solving the Problems J In order to achieve the above object, the present invention is provided with a coating section that applies paint to the surface of a traveling board using a roll coater and a drying oven that dries the paint applied to the board. In the coating/removal measurement device for coated board materials, which measures the film thickness of undried paint on boards coated with paint in painted board manufacturing equipment, Measurement shall be made using a reflective optical distance meter that acts on the surface of the film, and the measuring device is placed before and after transferring the paint onto the board, and the difference in film thickness measured before and after this and the roll that transfers the paint to the board are measured. The apparatus is equipped with a device that calculates the film thickness of undried paint from the circumferential speed of the plate and the speed of the plate material.
１作用」
上記のように構成された本発明の測定装置では、板材に
塗料を転写するロール上で板材に塗料を転写する前と後
の膜厚差が測定される。この膜厚の測定は反射型の光学
式距離計にて行い、ロール表面より一定の距離にこの距
離計を設置し、ロール上の塗膜表面までの距離を測定す
る。板材に塗料を転写する前後にこの測定装置は設置さ
れており、板材へ塗料を転写した後の距離と転写前の距
離の差を塗料を板材に転写する前後の膜厚差とし、この
膜厚差と板材に塗料を転写するロールの周速および板材
の速度から膜厚を求める。板材へ塗料を転写するロール
表面に付着する塗料の表面までの距離を測定する方式で
あるため、塗装下地の影百はなく、又、塗料の種類（塗
料による吸収波長の差異による影古、金属粉によるばら
つき）による影響もない。1. Effect” In the measuring device of the present invention configured as described above, the difference in film thickness before and after the paint is transferred to the board is measured on the roll that transfers the paint to the board. The film thickness is measured using a reflective optical distance meter, which is installed at a certain distance from the roll surface, and the distance to the coating film surface on the roll is measured. This measuring device is installed before and after the paint is transferred to the board, and the difference between the distance after the paint is transferred to the board and the distance before the transfer is the difference in film thickness before and after the paint is transferred to the board, and this film thickness is The film thickness is determined from the difference, the peripheral speed of the roll that transfers the paint onto the board, and the speed of the board. Since this method measures the distance to the surface of the paint that adheres to the surface of the roll that transfers the paint to the board material, there is no shadow from the paint base, and there is no difference in the type of paint (such as shadows due to differences in the absorption wavelength of the paint, metals, etc.). There is no influence due to variations due to powder.
「実施例」 実施例について図面を参照して説明する。"Example" Examples will be described with reference to the drawings.
第１図は本発明装置の概略図で、図において、コータパ
ン５内の塗料１４はピンクアンプロール４の表面に付着
し、この後アプリケ−クロール３上の転写された後にパ
ツキングロール２で保持された板材Ｉ上に塗布される。FIG. 1 is a schematic diagram of the apparatus of the present invention. In the figure, the paint 14 in the coater pan 5 adheres to the surface of the pink unroll 4, is transferred onto the applicator roll 3, and is then held by the packing roll 2. It is applied onto the plate material I.
塗装前のアプリヶ一タロール３上の塗料表面までの距離
１１は反射型の光学式距離計６によって信号変換器８を
介して、膜厚演算器１０に入力される。同様にして塗装
後のアプリケ−クロール３上の塗料表面までの距離１２
は反射型の光学式距離計７によって信号変換器９をかい
して膜厚演算器１０に入力される。又、板材１の速度は
板材１と同一スピードで回転するロール例えばパツキン
グロール２の回転をパルスジェネレータ１２で測定し、
膜厚演算器１０にこのロールの直径ｒ、を与えることに
より計算を行う。A distance 11 to the paint surface on the applicator roll 3 before painting is inputted by a reflective optical distance meter 6 to a film thickness calculator 10 via a signal converter 8. Similarly, distance 12 to the paint surface on the applicator roll 3 after painting.
is inputted to the film thickness calculator 10 through the signal converter 9 by the reflective optical distance meter 7. Further, the speed of the plate material 1 is determined by measuring the rotation of a roll such as a packing roll 2 which rotates at the same speed as the plate material 1 using a pulse generator 12.
Calculation is performed by giving the diameter r of this roll to the film thickness calculator 10.
同様にしてアプリケ−クロール３の周速もアプリケータ
ロール３の回転をパルスジェネレータ１３で測定し、ロ
ール径ｒ２を膜厚演算器１０に与えることによって計算
する。Similarly, the circumferential speed of the applicator roll 3 is calculated by measuring the rotation of the applicator roll 3 with the pulse generator 13 and feeding the roll diameter r2 to the film thickness calculator 10.
これから膜厚演算器１０では次式にもとすき膜厚−を計
算し、表示器１１に表示を行う。From this, the film thickness calculator 10 calculates the gap film thickness - according to the following equation, and displays it on the display 11.
「発明の効果」
本発明は、以上説明したように構成されているので、以
下に記載されるような効果を奏する。"Effects of the Invention" Since the present invention is configured as described above, it produces the effects described below.
板材への塗料を転写する前と後でロール表面に付着する
塗料の表面までの距離の差を測定する方式であるため塗
装下地の影響がないことはもちろんのこと塗料による測
定の差もなく、金属粉によるばらつきもないためすべて
の塗料で精度、応答性の良い膜厚の測定ができ、膜厚の
管理レベルが格段に向上する。Since this method measures the difference in the distance to the surface of the paint adhering to the roll surface before and after transferring the paint to the board material, there is of course no influence of the coating base, and there are no differences in measurement due to the paint. Since there is no variation due to metal powder, it is possible to measure the film thickness of all paints with good accuracy and responsiveness, greatly improving the level of film thickness control.
第１図は本発明の塗装板材の塗布膜厚測定装置の概略図
である。
１・・・板材、 ２・・・パツキングロール、 ３
・・・アプリケータロール、 ４・・・ピックアップ
ロール、５・・・コータパン、 ６・・・光学式距離計
、 ７・・・光学式距離計、 ８・・・信号変換器、
９・・・信号変換器、 １０・・・膜厚演算器、 １１
・・・表示器、 １２・・・パルスジェネレータ、１３
・・・パルスジェネレータ、１４・・・塗料。FIG. 1 is a schematic diagram of a coating film thickness measuring device for coated plate materials according to the present invention. 1... Board material, 2... Packing roll, 3
... applicator roll, 4... pick-up roll, 5... coater pan, 6... optical distance meter, 7... optical distance meter, 8... signal converter,
9... Signal converter, 10... Film thickness calculator, 11
...Display device, 12...Pulse generator, 13
...Pulse generator, 14...Paint.
Claims (1)
る塗装部と板材に塗布された塗料を乾燥させる乾燥炉と
が設けられた塗装板材製造設備における塗料が塗布され
た板材の未乾燥状態の塗料の膜厚を測定する塗装板材の
塗布膜膜測定装置において、板材に塗料を転写するロー
ル上の塗料の膜厚を塗膜表面に作用する反射型の光学式
距離計を用いて測定するものとし、当該測定装置を板材
に転写する前後に配し、この前後で測定した膜厚の差と
板材に塗料を転写するロールの周速及び板材の速度から
未乾燥状態の塗料の膜厚を演算する装置を備えたことを
特徴とする塗装板材の塗布膜厚測定装置。(1) The undried state of painted boards in a painted board manufacturing facility that is equipped with a painting section that applies paint to the surface of moving boards using a roll coater and a drying oven that dries the paint applied to the boards. A coating film measuring device for painted board materials that measures the film thickness of paint on a roll that transfers the paint onto the board using a reflective optical distance meter that acts on the surface of the paint film. Then, the measurement device is placed before and after transferring the paint onto the board, and the film thickness of the wet paint is calculated from the difference in film thickness measured before and after, the peripheral speed of the roll that transfers the paint to the board, and the speed of the board. 1. A coating film thickness measuring device for coated plate materials, characterized in that it is equipped with a device for measuring coating film thickness of painted plate materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27177688A JPH02116705A (en) | 1988-10-27 | 1988-10-27 | Measuring apparatus of thickness of coating film on coated plate material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27177688A JPH02116705A (en) | 1988-10-27 | 1988-10-27 | Measuring apparatus of thickness of coating film on coated plate material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02116705A true JPH02116705A (en) | 1990-05-01 |
Family
ID=17504692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27177688A Pending JPH02116705A (en) | 1988-10-27 | 1988-10-27 | Measuring apparatus of thickness of coating film on coated plate material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02116705A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992014119A1 (en) * | 1991-01-30 | 1992-08-20 | Nkk Corporation | Ellipsometer and method of controlling coating thickness by use of ellipsometer |
| EP0538869A2 (en) * | 1991-10-23 | 1993-04-28 | Kawasaki Steel Corporation | Method of controlling thickness of coated film on web-like member by roll coater |
| JP2007273821A (en) * | 2006-03-31 | 2007-10-18 | Matsushita Electric Ind Co Ltd | Coil component, and its manufacturing method |
| CN102125907A (en) * | 2011-01-28 | 2011-07-20 | 福建南平南孚电池有限公司 | On-line system and method for controlling coating of electrode plates of lithium battery |
| JP2019000773A (en) * | 2017-06-13 | 2019-01-10 | キタガワエンジニアリング株式会社 | Coating apparatus |
| JP2019020288A (en) * | 2017-07-19 | 2019-02-07 | 花王株式会社 | Method for inspecting agent-containing sheet-like object and method for producing agent-containing sheet-like object |
-
1988
- 1988-10-27 JP JP27177688A patent/JPH02116705A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992014119A1 (en) * | 1991-01-30 | 1992-08-20 | Nkk Corporation | Ellipsometer and method of controlling coating thickness by use of ellipsometer |
| US5438415A (en) * | 1991-01-30 | 1995-08-01 | Nkk Corporation | Ellipsometer and method of controlling coating thickness therewith |
| EP0538869A2 (en) * | 1991-10-23 | 1993-04-28 | Kawasaki Steel Corporation | Method of controlling thickness of coated film on web-like member by roll coater |
| US5310573A (en) * | 1991-10-23 | 1994-05-10 | Kawasaki Steel Corporation | Method of controlling thickness of coated film on web-like member by roll coater |
| US5435848A (en) * | 1991-10-23 | 1995-07-25 | Kawasaki Steel Corporation | Apparatus for controlling thickness of coated film on web-like member by roll coater |
| JP2007273821A (en) * | 2006-03-31 | 2007-10-18 | Matsushita Electric Ind Co Ltd | Coil component, and its manufacturing method |
| CN102125907A (en) * | 2011-01-28 | 2011-07-20 | 福建南平南孚电池有限公司 | On-line system and method for controlling coating of electrode plates of lithium battery |
| JP2019000773A (en) * | 2017-06-13 | 2019-01-10 | キタガワエンジニアリング株式会社 | Coating apparatus |
| JP2019020288A (en) * | 2017-07-19 | 2019-02-07 | 花王株式会社 | Method for inspecting agent-containing sheet-like object and method for producing agent-containing sheet-like object |
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