JPH0660374B2 - Anti-vibration device for steel strip in steel strip processing line - Google Patents
Anti-vibration device for steel strip in steel strip processing lineInfo
- Publication number
- JPH0660374B2 JPH0660374B2 JP62244997A JP24499787A JPH0660374B2 JP H0660374 B2 JPH0660374 B2 JP H0660374B2 JP 62244997 A JP62244997 A JP 62244997A JP 24499787 A JP24499787 A JP 24499787A JP H0660374 B2 JPH0660374 B2 JP H0660374B2
- Authority
- JP
- Japan
- Prior art keywords
- steel strip
- electromagnet
- rotation angle
- magnetic shield
- drive shaft
- 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.)
- Expired - Fee Related
Links
Description
【発明の詳細な説明】 「産業上の利用分野」 本発明は、鋼帯処理ラインにおける鋼帯の振動防止装置
に関するものであり、さらに詳しくは、鋼帯処理ライン
において、鋼帯の振動を制御しなければならない個所、
例えばスワイピング法による鋼帯の溶融金属メッキライ
ンあるいは鋼帯の塗装ライン等において、鋼帯の振動を
防止する装置に関するものである。TECHNICAL FIELD The present invention relates to a vibration preventing device for a steel strip in a steel strip processing line, and more specifically, it controls vibration of a steel strip in a steel strip processing line. Where you have to
For example, the present invention relates to an apparatus for preventing vibration of a steel strip in a molten metal plating line for a steel strip or a coating line for a steel strip by a swiping method.
「従来の技術」 例えば、鋼帯の溶融金属メッキラインにおいては、第１
図に示す如く、鋼帯１は溶融メッキ浴２から連続的に引
き出され、引き出された鋼帯１の両面の幅方向には、ワ
イピングノズル３からのガスが噴射され、この噴射され
るガスによって鋼帯１の両面における余剰な溶融メッキ
金属を払拭し、それによってメッキ目付量を制御してい
る。"Prior art" For example, in the hot metal plating line for steel strip,
As shown in the drawing, the steel strip 1 is continuously drawn from the hot dip bath 2, and the gas from the wiping nozzle 3 is jetted in the width direction of both sides of the drawn steel strip 1 by the jetted gas. Excessive hot-dip galvanized metal on both sides of the steel strip 1 is wiped off, thereby controlling the coating weight.
上記ガスワイピング法による鋼帯へのメッキ目付量の均
一性は、ワイピングノズルから噴射されるガスの幅方向
の均一性と、ワイピングガスの噴射圧力の一定性と、ワ
イピングノズルのガス噴出口から鋼帯までの距離の一定
性によってほぼ決定される。The uniformity of the coating weight of the steel strip by the gas wiping method is uniform in the width direction of the gas ejected from the wiping nozzle, the uniformity of the ejection pressure of the wiping gas, and the steel from the gas ejection port of the wiping nozzle. It is mostly determined by the constancy of the distance to the strip.
これ等の三要素のうち、ガスの幅方向の均一性と、ワイ
ピングガスの噴射圧力の一定性に関しては、数多くの改
善提案がなされており、可成りの効果をあげているが、
ワイピングノズルのガス噴出口から鋼帯までの距離の一
定性に関しては、鋼帯が、シンクロールとトップロール
間の長い垂直距離を非接触で通板されるために生じる振
動と、鋼帯に生じる幅方向の反り（以下Ｃ反りという）
とによって、鋼帯の幅方向におけるワイピングノズルと
鋼帯との間隔を常に一定に維持することは極めて困難で
あり、均一なメッキ目付量を得る上で大きな障害となっ
ていた。Among these three elements, many improvement proposals have been made regarding the uniformity of the width direction of the gas and the uniformity of the injection pressure of the wiping gas.
Regarding the uniformity of the distance from the gas outlet of the wiping nozzle to the steel strip, the vibration that occurs because the steel strip is threaded in a long vertical distance between the sink roll and the top roll without contact and the steel strip Warp in the width direction (hereinafter referred to as C warp)
Therefore, it is extremely difficult to always keep the distance between the wiping nozzle and the steel strip in the width direction of the steel strip constant, which is a great obstacle to obtaining a uniform coating weight.
そこで、特開昭57-85964号公報に開示されている如く、
ワイピング装置の近傍位置なる鋼帯の両エッジ部の外側
に、永久磁石を対向設置し、鋼帯の幅方向への張力を与
えることによって、非接触状態下で、鋼帯の幅方向およ
び厚さ方向への振れを防止するようにした手段が提案さ
れている。Therefore, as disclosed in JP-A-57-85964,
Permanent magnets are installed opposite to each other outside the edges of the steel strip near the wiping device, and tension is applied in the width direction of the steel strip so that the width and thickness of the steel strip can be reduced in a non-contact state. Means have been proposed for preventing the shake in the direction.
「発明が解決しようとする問題点」 ところで、前記公開特許公報に開示されている技術にあ
っては、鋼帯の両エッジ端の外側に対向設置した永久磁
石により、単に鋼帯の幅方向への張力を与えるだけであ
るから、鋼帯の振動、特に鋼帯中央部の振動を確実に防
止できず、しかも鋼帯のＣ反りを矯正できない問題があ
る。[Problems to be Solved by the Invention] By the way, in the technique disclosed in the above-mentioned Japanese Patent Laid-Open Publication, the permanent magnets are installed opposite to each other on the outer sides of both edge ends of the steel strip, so that the width direction of the steel strip is simply Therefore, there is a problem that the vibration of the steel strip, especially the vibration of the central portion of the steel strip cannot be reliably prevented and the C-warp of the steel strip cannot be corrected.
本発明は、かかる従来の問題点を解決すべくなした鋼帯
処理ラインにおける鋼帯の振動防止装置を提供すること
を目的とする。An object of the present invention is to provide a vibration preventing device for a steel strip in a steel strip processing line, which solves the conventional problems.
「問題点を解決するための手段」 本発明の要旨とするところは、鋼帯の通板基準ラインか
ら等距離位置なる鋼帯の表裏面側幅方向の少なくとも各
側端部と中央部に、電磁石を対向配置し、各電磁石の後
部位置にそれぞれ駆動軸を軸承し、この各駆動軸に、鋼
帯と各電磁石との間にそれぞれ介在された各磁気遮蔽板
の各一端を固定し、前記各駆動軸に、それぞれ各磁気遮
蔽板の中立位置からの回転角を検出するエンコーダーを
設けると共に、各駆動軸に、前記エンコーダーからの回
転角検出信号により停止制御されるサーボモーターを設
け、かつ鋼帯のいずれか一方面側の各電磁石の近傍に、
鋼帯の通板基準ラインに対する通板位置偏差を計測する
変位計を設け、この各変位計による計測値に基づき、通
板位置偏差がゼロになるよう、前記各電磁石に対する各
磁気遮蔽板の中立位置からの回転角を演算すると共に、
この回転角演算値により前記各サーボモーターを駆動制
御することを特徴とする鋼帯処理ラインにおける鋼帯の
振動防止装置にある。"Means for solving the problem" Where the gist of the present invention is, at least each side end portion and the central portion in the front-back surface side width direction of the steel strip which is located equidistant from the steel strip reference line, The electromagnets are arranged to face each other, the drive shafts are respectively supported at the rear positions of the respective electromagnets, and the respective one ends of the respective magnetic shielding plates interposed between the steel strip and the respective electromagnets are fixed to the respective drive shafts, Each drive shaft is provided with an encoder that detects the rotation angle from the neutral position of each magnetic shield plate, and each drive shaft is provided with a servomotor that is stop-controlled by the rotation angle detection signal from the encoder, and Near each electromagnet on either side of the strip,
A displacement gauge is provided to measure the strip running position deviation of the steel strip with respect to the strip running reference line.Based on the measured value by each displacement gauge, the neutral of each magnetic shield plate for each electromagnet is set so that the strip running position deviation becomes zero. While calculating the rotation angle from the position,
A steel strip vibration preventing device in a steel strip processing line is characterized in that the servomotors are driven and controlled by the calculated rotation angle values.
「作用」 鋼帯の通板基準ラインから等距離位置なる鋼帯の表裏面
側幅方向の少なくとも各側端部と中央部に対向配設され
ている各電磁石を、常時一定の励磁電流により励磁し
て、鋼帯に対する吸引力を等しくしておくと共に、走行
している鋼帯の各側端部と中央部の通板基準ラインに対
する通板位置偏差を、鋼帯のいずれか一方面側の各電磁
石の近傍に配置されている各変位計にて計測し、この各
変位計による計測値に基づき、通板位置偏差がゼロにな
るよう、各電磁石と鋼帯との間に所要量介在されている
各磁気遮蔽板を、各電磁石に対する各磁気遮蔽板の中立
位置からの回転角を演算すると共に、この回転角演算値
により各サーボモーターを駆動制御し、中立位置からの
回転角を検出するエンコーダーからの回転角検出信号に
より前記サーボモーターを停止制御する一連の制御手段
により位置制御して、各電磁石の鋼帯吸引力を変化さ
せ、鋼帯の通板位置制御を行うことにより、鋼帯の振動
防止と鋼帯のＣ反り矯正とが行われるのである。[Operation] The electromagnets that are arranged facing each other at least at the side edges and the center in the width direction of the front and back sides of the steel strip that are equidistant from the steel strip reference line are always excited by a constant excitation current. Then, the suction force to the steel strip is made equal, and the strip running position deviation with respect to the strip running reference line at each side end portion and the center portion of the running steel strip is adjusted to one side of the steel strip. Measured with each displacement meter arranged near each electromagnet, and based on the measured value by each displacement meter, the required amount is interposed between each electromagnet and the steel strip so that the strip running position deviation becomes zero. For each magnetic shield, the rotation angle from the neutral position of each magnetic shield to each electromagnet is calculated, and each servo motor is drive-controlled by this rotation angle calculation value to detect the rotation angle from the neutral position. The rotation angle detection signal from the encoder causes Position control is performed by a series of control means for stopping and controlling the servo motor, the steel strip attraction force of each electromagnet is changed, and the steel strip passing position is controlled, thereby preventing the steel strip from vibrating and correcting the C warp of the steel strip. And are done.
「実施例」 次に本発明装置の実施例を第２図乃至第５図に基づき以
下に説明する。[Embodiment] Next, an embodiment of the device of the present invention will be described below with reference to FIGS.
この実施例は、鋼帯の溶融金属メッキラインのワイピン
グノズル出側における鋼帯を対象としたものであり、第
２図乃至第４図に示す実施例は、鋼帯の各側端部の振動
防止を行うようにしたもの、また第５図に示す実施例
は、鋼帯の中央部の振動防止を行うようにしたものであ
る。This embodiment is intended for the steel strip on the wiping nozzle exit side of the molten metal plating line of the steel strip, and the embodiments shown in FIGS. 2 to 4 show the vibration of each side end of the steel strip. In the embodiment shown in FIG. 5, the vibration of the central portion of the steel strip is prevented.
先ず鋼帯の各側端部の振動防止を行う第２図乃至第４図
に示す実施例について説明する。First, the embodiment shown in FIGS. 2 to 4 for preventing the vibration of each side end of the steel strip will be described.
なお、鋼帯の各側端部の振動防止装置はそれぞれ対称的
で同一であるから、ここでは鋼帯の一方の側端部の振動
防止装置について説明する、 第２図乃至第４図に示す如く、各ワイピングノズル３の
上面長手方向にはビーム４がそれぞれ設けられており、
このビーム４上には、前半中央部が切り欠けられて前半
が二股形状になっている台車５が移動可能に載置されて
いる。Since the vibration preventing devices at the respective side end portions of the steel strip are symmetrical and the same, the vibration preventing device at one side end portion of the steel strip will be described here, and shown in FIGS. 2 to 4. As described above, the beam 4 is provided in the longitudinal direction of the upper surface of each wiping nozzle 3,
On the beam 4, a trolley 5 having a forked shape in the front half is cut out at the central portion of the front half and is movably mounted.
この台車５の前半中央部の切り欠き部5a内の中心線上に
は、図示していない溶融メッキ浴から連続的に垂直に引
き出されている鋼帯１の一方の側端部が位置している。One side end of the steel strip 1 which is continuously and vertically drawn out from a hot dipping bath (not shown) is located on the center line in the notch 5a at the center of the front half of the carriage 5. .
前記台車５の前半中央部を切り欠いて、台車５の前半を
二股形状にした理由は、被メッキ鋼帯１の各種の板幅あ
るいは鋼帯１の蛇行に応じて、鋼帯１の側端部に対する
台車５の位置を調整できるようにするためである。The reason why the front half of the bogie 5 is notched and the front half of the bogie 5 is formed into a bifurcated shape is that side edges of the steel strip 1 depend on various plate widths of the steel strip 1 to be plated or meandering of the steel strip 1. This is so that the position of the carriage 5 with respect to the section can be adjusted.
前記台車５の二股形状部5b上のほぼ中間位置には、電磁
石６，７が対向配置されている。Electromagnets 6 and 7 are arranged to face each other at a substantially intermediate position on the forked portion 5b of the carriage 5.
また前記各電磁石６，７の後部位置なる二股形状部5b上
間には、駆動軸８が軸承されており、この駆動軸８に
は、前記鋼帯１と各電磁石６，７との間にそれぞれ介在
された各磁気遮蔽板９，10の各一端が固定されている。A drive shaft 8 is supported between the bifurcated portions 5b at the rear positions of the electromagnets 6 and 7, and the drive shaft 8 is provided between the steel strip 1 and the electromagnets 6 and 7. One end of each of the magnetic shield plates 9 and 10 interposed respectively is fixed.
この各磁気遮蔽板９，10の各電磁石６，７に対する取り
付け方としては、第４図に示す如く、一方の電磁石６の
端面がほぼ半分程覆われるよう、一方の電磁石６側の磁
気遮蔽板９を斜め上向きにして、その一端を前記駆動軸
８に固定し、また他方の電磁石７の端面がほぼ半分程覆
われるよう、他方の電磁石７側の磁気遮蔽板10を斜め下
向きにして、その一端を前記駆動軸８に固定し、このと
きの前記駆動軸８の軸心と各電磁石６，７の端面中心点
とを結ぶ線と、各磁気遮蔽板９，10の板面長手方向中心
線とでなす各角度θ1，θ2は等しく、これを各磁気遮蔽
板９，10の中立位置と称し、各電磁石６，７の磁気遮蔽
量を均等にしている。As shown in FIG. 4, the magnetic shield plates 9 and 10 are attached to the electromagnets 6 and 7 in such a manner that one end of the one electromagnet 6 is covered by about half as shown in FIG. 9 is directed obliquely upward, one end thereof is fixed to the drive shaft 8, and the magnetic shield plate 10 on the side of the other electromagnet 7 is directed obliquely downward so that the end surface of the other electromagnet 7 is covered by about half. One end is fixed to the drive shaft 8, and a line connecting the axis of the drive shaft 8 and the end face center points of the electromagnets 6 and 7 and the center line of the magnetic shield plates 9 and 10 in the plate face longitudinal direction. The angles θ 1 and θ 2 formed by are equal to each other, which is referred to as the neutral position of the magnetic shield plates 9 and 10, and the magnetic shield amounts of the electromagnets 6 and 7 are equalized.
前記駆動軸８の一端には、磁気遮蔽板９，10の中立位置
からの回転角を検出するエンコーダー11が設けられてお
り、駆動軸８の他端には、減速機12を介してサーボモー
ター13が設けられている。An encoder 11 for detecting a rotation angle from the neutral position of the magnetic shield plates 9 and 10 is provided at one end of the drive shaft 8, and a servo motor is provided at the other end of the drive shaft 8 via a speed reducer 12. 13 are provided.
前記各磁気遮蔽板９，10の上方部位には、台車５から張
り出されたブラケット14,15 が設けられており、他方の
ブラケット15上には、鋼帯１の通板基準ラインに対する
通板位置偏差を計測する変位計（例えばレーザー式距離
計）16が設けられている。Brackets 14 and 15 projecting from the trolley 5 are provided above the magnetic shield plates 9 and 10, respectively. A displacement meter (for example, a laser distance meter) 16 that measures the position deviation is provided.
また前記ブラケット14,15 上には、投光器17a と受光器
17b とでなる光電式の鋼帯側端検出器17が設けられてお
り、この鋼帯側端検出器17によって鋼帯１の側端を検出
し、それにより鋼帯１の各種の板幅あるいは鋼帯１の蛇
行に応じた台車５の位置調整を行う。Also, on the brackets 14 and 15, there are a light emitter 17a and a light receiver.
17b and a photoelectric steel strip side edge detector 17 are provided, and the steel strip side edge detector 17 detects the side edge of the steel strip 1 to detect various strip widths of the steel strip 1 or The position of the carriage 5 is adjusted according to the meandering of the steel strip 1.
しかして、鋼帯１の通板基準ラインに対する鋼帯側端部
の通板位置が、例えば他方の電磁石７側方向に変位して
いる場合、前記変位計６により鋼帯１の通板位置偏差を
計測し、この変位計16による計測値に基づき、通板位置
偏差がゼロになるよう、前記各電磁石６，７に対する各
磁気遮蔽板９，10の中立位置からの磁気遮蔽量、すなわ
ち中立位置からの回転角を図示していない演算器にて演
算し、この回転角演算値によりサーボモーター13を駆動
制御して、各磁気遮蔽板９，10を所要の回転角だけ回転
させ、一方の磁気遮蔽板９による一方の電磁石６の磁気
遮蔽量を少なくして、一方の電磁石６の鋼帯吸引力を増
大させると共に、他方の磁気遮蔽板10による他方の電磁
石７の磁気遮蔽量を多くして、他方の電磁石７の鋼帯吸
引力を減少させる。Then, when the strip running position of the steel strip side end portion with respect to the strip running reference line of the steel strip 1 is displaced in the direction of the other electromagnet 7 side, for example, the strip gauge deviation of the steel strip 1 is caused by the displacement gauge 6. Based on the value measured by the displacement gauge 16, the magnetic shielding amount from the neutral position of the magnetic shielding plates 9 and 10 to the electromagnets 6 and 7, that is, the neutral position, so that the passage plate position deviation becomes zero. The rotation angle from is calculated by a calculator (not shown), and the servo motor 13 is driven and controlled by this rotation angle calculation value to rotate each magnetic shield plate 9 and 10 by a required rotation angle. By reducing the magnetic shield amount of the one electromagnet 6 by the shield plate 9 to increase the steel strip attraction force of the one electromagnet 6, and increasing the magnetic shield amount of the other electromagnet 7 by the other magnetic shield plate 10. , The steel strip attraction force of the other electromagnet 7 is reduced.
なお、各磁気遮蔽板９，10を所要の回転角だけ回転させ
たことを、前記エンコーダー11にて検出し、この検出信
号によりサーボモーター13を停止させる。The encoder 11 detects that the magnetic shields 9 and 10 have been rotated by a required rotation angle, and the servo motor 13 is stopped by this detection signal.
次に鋼帯中央部の振動防止を行う第５図に示す実施例に
ついて説明する。Next, an embodiment shown in FIG. 5 for preventing vibration of the central portion of the steel strip will be described.
なお、第５図に示す鋼帯中央部の振動防止装置は、前記
各ビーム４上にそれぞれ設置するものであるが、ここで
は概略図として示す。The vibration preventing device for the central portion of the steel strip shown in FIG. 5 is installed on each of the beams 4, but is shown here as a schematic diagram.
第５図に示す如く、前記鋼帯１の通板基準ラインから等
距離位置なる鋼帯１の表裏面側幅方向の中央部には、電
磁石18,19 が対向配置されている。As shown in FIG. 5, electromagnets 18 and 19 are arranged opposite to each other in the central portion in the width direction of the front and back sides of the steel strip 1 which is equidistant from the threading reference line of the steel strip 1.
前記各電磁石18,19 の後部位置には、それぞれ駆動軸2
0,21 が軸承されており、この各駆動軸20,21には、前記
鋼帯１と各電磁石18,19 との間にそれぞれ介在された各
磁気遮蔽板22,23 の各一端が固定されている。At the rear positions of the electromagnets 18 and 19, the drive shaft 2
0,21 are supported, and one end of each magnetic shield plate 22,23 interposed between the steel strip 1 and each electromagnet 18,19 is fixed to each drive shaft 20,21. ing.
前記各駆動軸20,21 には、それぞれ各磁気遮蔽板22,23
の中立位置からの回転角を検出するエンコーダー24,25
が設けられている。The drive shafts 20 and 21 are provided with magnetic shield plates 22 and 23, respectively.
Encoders 24,25 that detect the rotation angle from the neutral position
Is provided.
また各駆動軸20,21 には、それぞれ減速機26,27を介し
てサーボモーター28,29 が設けられている。Further, servomotors 28, 29 are provided on the drive shafts 20, 21 via reduction gears 26, 27, respectively.
さらに、他方の電磁石19の上部位置には、鋼帯１の通板
基準ラインに対する通板位置偏差を計測する変位計（例
えばレーザー式距離計）30が設けられている。Further, at the upper position of the other electromagnet 19, a displacement meter (for example, a laser range finder) 30 for measuring deviation of the strip running position with respect to the strip running reference line of the steel strip 1 is provided.
この鋼帯中央部の振動防止装置も、前記鋼帯側端部の振
動防止装置と同様の動作を行うものである。The vibration preventing device at the central portion of the steel strip also performs the same operation as the vibration preventing device at the end portion on the steel strip side.
「発明の効果」 以上述べた如く、本発明装置によれば、鋼帯の通板基準
ラインから等距離位置なる鋼帯の表裏面側幅方向の少な
くとも各側端部と中央部に対向配設されている各電磁石
を、常時一定の励磁電流により励磁して、鋼帯に対する
吸引力を等しくしておくと共に、走行している鋼帯の各
側端部と中央部の通板基準ラインに対する通板位置偏差
を、鋼帯のいずれか一方面側の各電磁石の近傍に配置さ
れている各変位計にて計測し、この各変位計による計測
値に基づき、通板位置偏差がゼロになるよう、各電磁石
と鋼帯との間に所要量介在されている各磁気遮蔽板を、
各電磁石に対する各磁気遮蔽板の中立位置からの回転角
を演算すると共に、この回転角演算値により各サーボモ
ーターを駆動制御し、中立位置からの回転角を検出する
エンコーダーからの回転角検出信号により前記サーボモ
ーターを停止制御する一連の制御手段により位置制御し
て、各電磁石の鋼帯吸引力を変化させ、鋼帯の各側端部
と中央部の通板位置制御を行うことができるので、鋼帯
の振動防止と、鋼帯のＣ反り矯正とを確実に行うことが
できる。[Advantages of the Invention] As described above, according to the device of the present invention, the steel strips are arranged so as to face each other at least at the respective side end portions and the central portion in the width direction on the front and back sides of the steel strips that are located equidistant from the threading reference line. Each of the electromagnets is always excited by a constant exciting current to keep the attraction force against the steel strip equal, and at the same time, the side of the running steel strip and the passage reference line at the center of the steel strip are passed. The plate position deviation is measured with each displacement meter placed near each electromagnet on one side of the steel strip, and the plate passing position deviation is set to zero based on the measurement value of each displacement meter. , Each magnetic shielding plate that is interposed between each electromagnet and the steel strip in the required amount,
The rotation angle from the neutral position of each magnetic shield plate for each electromagnet is calculated, and each servo motor is driven and controlled by this rotation angle calculation value, and the rotation angle detection signal from the encoder that detects the rotation angle from the neutral position is used. Position control by a series of control means for controlling the stop of the servo motor, changing the steel strip attraction force of each electromagnet, it is possible to perform the threading position control of each side end portion and the central portion of the steel strip, It is possible to surely prevent the vibration of the steel strip and correct the C warpage of the steel strip.
第１図はガスワイピング法による鋼帯への溶融金属メッ
キの説明図、第２図は本発明に係る鋼帯側端部の振動防
止装置の実施例を示す平面図、第３図は、第２図Ａ−Ａ
矢視図、第４図は、第２図Ｂ−Ｂ矢視図、第５図は本発
明に係る鋼帯中央部の振動防止装置の実施例を示す概略
平面図である。 １……鋼帯，３……ワイピングノズル、５……台車、
６，７……電磁石、８……駆動軸、９，10……磁気遮蔽
板、11……エンコーダー、12……減速機、13……サーボ
モーター、16……変位計、17……鋼帯側端検出器、18,1
9 ……電磁石、20,21 ……駆動軸、22,23 ……磁気遮蔽
板、24,25 ……エンコーダー、26,27 ……減速機、28,2
9 ……サーボモーター、30……変位計FIG. 1 is an explanatory view of molten metal plating on a steel strip by a gas wiping method, FIG. 2 is a plan view showing an embodiment of a vibration prevention device for a steel strip side end portion according to the present invention, and FIG. 2 Figure A-A
FIG. 4 is a schematic plan view showing an embodiment of the vibration preventing device for the central portion of the steel strip according to the present invention. 1 ... Steel strip, 3 ... Wiping nozzle, 5 ... Cart,
6, 7 ... Electromagnet, 8 ... Drive shaft, 9, 10 ... Magnetic shield plate, 11 ... Encoder, 12 ... Reducer, 13 ... Servo motor, 16 ... Displacement meter, 17 ... Steel strip Side edge detector, 18,1
9 …… Electromagnet, 20,21 …… Drive shaft, 22,23 …… Magnetic shield, 24,25 …… Encoder, 26,27 …… Reducer, 28,2
9: Servo motor, 30: Displacement meter
Claims (1)
鋼帯の表裏面側幅方向の少なくとも各側端部と中央部
に、電磁石を対向配置し、各電磁石の後部位置にそれぞ
れ駆動軸を軸承し、この各駆動軸に、鋼帯と各電磁石と
の間にそれぞれ介在された各磁気遮蔽板の各一端を固定
し、前記各駆動軸に、それぞれ各磁気遮蔽板の中立位置
からの回転角を検出するエンコーダーを設けると共に、
各駆動軸に、前記エンコーダーからの回転角検出信号に
より停止制御されるサーボモーターを設け、かつ鋼帯の
いずれか一方面側の各電磁石の近傍に、鋼帯の通板基準
ラインに対する通板位置偏差を計測する変位計を設け、
この各変位計による計測値に基づき、通板位置偏差がゼ
ロになるよう、前記各電磁石に対する各磁気遮蔽板の中
立位置からの回転角を演算すると共に、この回転角演算
値により前記各サーボモーターを駆動制御することを特
徴とする鋼帯処理ラインにおける鋼帯の振動防止装置。1. An electromagnet is disposed so as to oppose to at least each side end and center in the width direction of the front and back sides of a steel strip that is located equidistant from the steel strip reference line, and is driven to the rear position of each electromagnet. A shaft is supported, and one end of each magnetic shield plate interposed between the steel strip and each electromagnet is fixed to each drive shaft, and each drive shaft is fixed to each drive shaft from the neutral position of each magnetic shield plate. With an encoder to detect the rotation angle of
Each drive shaft is equipped with a servomotor that is stopped and controlled by the rotation angle detection signal from the encoder, and the position of the steel strip in relation to the steel strip reference line in the vicinity of each electromagnet on one side of the steel strip. Provided with a displacement gauge to measure deviation,
Based on the measured value by each displacement meter, the rotation angle from the neutral position of each magnetic shield plate to each electromagnet is calculated so that the plate passing position deviation becomes zero, and each servo motor is calculated by this rotation angle calculated value. A vibration control device for a steel strip in a steel strip processing line, characterized in that it is driven and controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62244997A JPH0660374B2 (en) | 1987-09-29 | 1987-09-29 | Anti-vibration device for steel strip in steel strip processing line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62244997A JPH0660374B2 (en) | 1987-09-29 | 1987-09-29 | Anti-vibration device for steel strip in steel strip processing line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6487754A JPS6487754A (en) | 1989-03-31 |
| JPH0660374B2 true JPH0660374B2 (en) | 1994-08-10 |
Family
ID=17127046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62244997A Expired - Fee Related JPH0660374B2 (en) | 1987-09-29 | 1987-09-29 | Anti-vibration device for steel strip in steel strip processing line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0660374B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2797277A1 (en) * | 1999-08-05 | 2001-02-09 | Lorraine Laminage | METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF A METAL SURFACE COATING ON A SLIP |
| DE10255994A1 (en) | 2002-11-30 | 2004-06-09 | Sms Demag Ag | Method and device for hot-dip coating a metal strand |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5024959A (en) * | 1973-07-04 | 1975-03-17 | ||
| JPS581064A (en) * | 1981-06-26 | 1983-01-06 | Sumitomo Metal Ind Ltd | Steel band supporting device of continuous plating device |
| JPH0350819Y2 (en) * | 1984-11-16 | 1991-10-30 |
-
1987
- 1987-09-29 JP JP62244997A patent/JPH0660374B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6487754A (en) | 1989-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8062711B2 (en) | Device and a method for stabilizing a steel sheet | |
| KR20130079656A (en) | A device and a method for stabilizing a metallic object | |
| US8596332B2 (en) | Speed synchronization system of aluminum alloy slab continuous casting and rolling line and production facility and method of production of aluminum alloy continuously cast and rolled slab using same | |
| EP0397123B1 (en) | Method for steering casting belts of continuous metal-casting machines and continuous metal-casting machine | |
| EP3333278B1 (en) | Molten metal plating facility and method | |
| JP2010144213A (en) | Method for controlling metal strip and method for manufacturing hot-dip plated metal strip | |
| EP0903187A2 (en) | Strip steering | |
| JPH0660374B2 (en) | Anti-vibration device for steel strip in steel strip processing line | |
| JP3574204B2 (en) | Apparatus and method for controlling coating weight of hot-dip coated steel sheet | |
| KR100530054B1 (en) | Apparatus for controlling distance of an air knife in continuous galvanizing line | |
| KR0146885B1 (en) | Apparatus for preventing deviation of thickness of coated layer for the zn-coating system | |
| JP2003105515A (en) | Device and method for correcting steel plate shape | |
| US4958589A (en) | Continuous melt-plating apparatus | |
| JPH0847707A (en) | Method for measuring thickness in hot rolling mill | |
| JP3125665B2 (en) | Continuous slab casting method | |
| JPH0681094A (en) | Plating device for continuous hot dip metal coating line | |
| JP2508360B2 (en) | Continuous hot dip coating equipment | |
| JP2007063647A (en) | Method for producing hot dip plated steel sheet | |
| JP2622022B2 (en) | Control device for strip adhesion | |
| JPS6212144B2 (en) | ||
| GB2066786A (en) | Method and apparatus for reducing oscillation of running strip | |
| JPH0653919B2 (en) | Anti-vibration device for steel strip in steel strip processing line | |
| JP2000282207A (en) | Wiping device in hot dip metal coating apparatus | |
| JPH03173755A (en) | Apparatus for controlling vibration and shape in molten metal plating | |
| JPH07268588A (en) | Method for controlling plating metal deposition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |