JPH07185634A - Method and device for detecting shape of rolled stock - Google Patents
Method and device for detecting shape of rolled stockInfo
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- JPH07185634A JPH07185634A JP5333550A JP33355093A JPH07185634A JP H07185634 A JPH07185634 A JP H07185634A JP 5333550 A JP5333550 A JP 5333550A JP 33355093 A JP33355093 A JP 33355093A JP H07185634 A JPH07185634 A JP H07185634A
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- Prior art keywords
- shape
- error
- installation error
- roller
- detecting
- Prior art date
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、圧延板材の形状検出方
法及び同検出装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for detecting the shape of rolled sheet material.
【０００２】[0002]
【従来の技術】圧延板材の形状を検出する方法およびそ
の装置に関しては、例えば、特開昭６３−２２８０１７
号公報に記載のものが公知である。前記従来の形状検出
装置は、自重や板張力による形状検出ローラの撓み量を
補正して、高精度の形状を検出しようとするものであっ
た。2. Description of the Related Art A method and apparatus for detecting the shape of a rolled plate is disclosed in, for example, Japanese Patent Laid-Open No. 63-228017.
The one described in Japanese Patent Publication is known. The above-described conventional shape detection device is intended to detect a highly accurate shape by correcting the amount of bending of the shape detection roller due to its own weight or plate tension.
【０００３】[0003]
【発明が解決しようとする課題】しかし、前記形状検出
ローラを用いた冷間圧延若しくは熱間圧延の板形状検出
装置においては、検出ローラ自体の据付け誤差（水平
度、平行度）により検出形状の精度が低下していた。従
来、この据付誤差を考慮した形状検出方法およびその装
置は存在しなかった。However, in the plate shape detecting device for cold rolling or hot rolling using the shape detecting roller, the detected shape is detected due to an installation error (horizontality, parallelism) of the detecting roller itself. The accuracy was low. Heretofore, there has not been a shape detection method and an apparatus therefor in consideration of this installation error.
【０００４】そこで、本発明は、形状検出ローラの据付
誤差を考慮して高精度の形状検出を行うようにした圧延
材の形状検出方法および同検出装置を提供することを目
的とする。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a method for detecting the shape of a rolled material and an apparatus for detecting the shape, which is capable of performing shape detection with high accuracy in consideration of installation error of the shape detection roller.
【０００５】[0005]
【課題を解決するための手段】前記目的を達成するため
に、本発明は次の手段を講じた。３即ち、本発明の圧延
材の形状検出方法の特徴とするところは、圧延板材の形
状を検出するための形状検出ロールの据付誤差を求め、
該据付誤差により生じる形状誤差を求め、前記形状検出
ローラにより圧延板材の形状を求め、該求めた形状を、
前記求めた形状誤差により補正する点にある。In order to achieve the above object, the present invention takes the following means. 3 That is, the feature of the rolled material shape detection method of the present invention is that the installation error of the shape detection roll for detecting the shape of the rolled plate material is obtained,
The shape error caused by the installation error is obtained, the shape of the rolled plate material is obtained by the shape detection roller, and the obtained shape is
The point is that correction is performed based on the obtained shape error.
【０００６】また、本発明の圧延材の形状検出装置の特
徴とするところは、形状検出ローラにより得られた形状
データに基づき圧延板材の形状を求める形状演算装置
と、該形状演算装置により求めた形状を、前記形状検出
ロールの据付誤差に基づく形状誤差により補正する補正
手段とを具備した点にある。Further, the feature of the rolled material shape detecting device of the present invention is that the shape calculating device obtains the shape of the rolled plate material based on the shape data obtained by the shape detecting roller, and the shape calculating device obtains the shape. The point is that the shape is corrected by a shape error based on the installation error of the shape detection roll.
【０００７】[0007]
【作用】本発明によれば、圧延機の据え付け時又は調整
時、形状検出ローラの据え付け誤差が測定される。そし
てこの形状検出ローラの据付誤差に基づく圧延材の形状
誤差が求められる。圧延中は形状検出ローラにより圧延
材の板形状データが測定され、該測定データに基づき板
形状が形状演算装置で求められる。According to the present invention, the installation error of the shape detection roller is measured during installation or adjustment of the rolling mill. Then, the shape error of the rolled material based on the installation error of the shape detection roller is obtained. During the rolling, the shape detecting roller measures the plate shape data of the rolled material, and the plate shape is obtained by the shape calculation device based on the measured data.
【０００８】そして、この求めた圧延材の形状は、補正
手段により、前記形状検出ローラの据え付け誤差による
形状誤差が加味されて補正される。Then, the obtained shape of the rolled material is corrected by the correcting means in consideration of the shape error due to the installation error of the shape detecting roller.
【０００９】[0009]
【実施例】以下、本発明の実施例を図面に基づき説明す
る。図１において示す圧延機1 は、アルミフォイル等を
冷間圧延するリバースタイプの薄板圧延機である。この
圧延機1 の出側に形状検出ローラ2 が配置されている。
この形状検出ローラ2 の下流側に、圧延材3 にテンショ
ンを付与しつつ巻き取る巻取リール4 が配置されてい
る。Embodiments of the present invention will be described below with reference to the drawings. A rolling mill 1 shown in FIG. 1 is a reverse type thin plate rolling mill that cold-rolls aluminum foil or the like. The shape detection roller 2 is arranged on the exit side of the rolling mill 1.
A take-up reel 4 that winds the rolled material 3 while applying tension to the rolled material 3 is disposed downstream of the shape detection roller 2.
【００１０】前記圧延機1 のワークロール5 、形状検出
ローラ2 、及び巻取リール4 の各軸心は互いに平行に且
つ水平に配置されている。前記形状検出ローラ2 は、分
割タイプのローラであり、複数のディスク6 （図２参
照）を同心状に軸方向に重ねて一体化したローラとして
構成されている。この形状検出ローラ2 の長は、該形状
検出ローラ2 の外周面が圧延材3 の板幅方向全長にわた
って接触する長さ以上とされている。そして、形状検出
ローラ2は、圧延材3 に接触して同速回転するよう、そ
の両端部が軸受装置（図示省略）により回動自在に支持
されている。即ち、この形状検出ローラ2 には、圧延材
3の張力が作用するよう構成されている。この圧延材3
の張力は、形状検出ローラ2 に対してラジアル荷重とし
て作用する。このラジアル荷重を検出するためのセンサ
（図示省略）が、前記各ディスク6 に組み込まれてい
る。The axes of the work roll 5, the shape detection roller 2, and the take-up reel 4 of the rolling mill 1 are arranged parallel to each other and horizontally. The shape detection roller 2 is a split type roller, and is configured as a roller in which a plurality of disks 6 (see FIG. 2) are concentrically overlapped in the axial direction and integrated. The length of the shape detection roller 2 is set to be equal to or longer than the length at which the outer peripheral surface of the shape detection roller 2 contacts the entire length of the rolled material 3 in the plate width direction. The shape detecting roller 2 is rotatably supported at its both ends by bearing devices (not shown) so as to come into contact with the rolled material 3 and rotate at the same speed. That is, the shape detection roller 2 is
It is configured to exert a tension of 3. This rolled material 3
The tension acts on the shape detection roller 2 as a radial load. A sensor (not shown) for detecting this radial load is incorporated in each disk 6.
【００１１】前記形状検出ローラ2 は、形状演算装置7
に電気的に接続されている。即ち、形状検出ローラ2 の
各ディスク6 のセンサで、圧延材3 の板幅方向の荷重が
測定され、該センサからの測定信号が前記形状演算装置
7 に入力される。この形状演算装置7 では、前記入力さ
れた測定データに基づき圧延材3 の板幅方向形状Ｉi
（単位：Ｉーｕｎｉｔ（Ｉユニットとは基準長さ１ｍの
サンプルに内在する歪が伸びの差で0.01mmである時に１
Ｉユニットと表現する平坦度の表示単位である。））が
演算される（その形状演算は、前記特開昭６３−２２８
０１７号公報に記載の従来のものと同じであるので、そ
の詳細は省略する）。The shape detecting roller 2 includes a shape calculating device 7
Electrically connected to. That is, the load of the rolled material 3 in the plate width direction is measured by the sensor of each disk 6 of the shape detection roller 2, and the measurement signal from the sensor is used by the shape calculation device.
Entered in 7. In the shape calculation device 7, the shape Ii in the plate width direction of the rolled material 3 is calculated based on the input measurement data.
(Unit: I-unit (I unit is 1 when the strain inherent in a sample with a standard length of 1 m is 0.01 mm due to the difference in elongation)
It is a unit of display of flatness expressed as I unit. )) Is calculated (the shape calculation is described in the above-mentioned JP-A-63-228
Since it is the same as the conventional one described in Japanese Patent Laid-Open No. 017, its details are omitted).
【００１２】なお、形状Ｉi における添字ｉは、センサ
の番号を示し、ｉ＝１〜ｎの整数であり、ｎはセンサの
全個数を示す。即ち、形状Ｉi は、第ｉ番目のセンサ位
置における板形状を示す。ところで、前記形状検出ロー
ラ2 は、圧延機1 のワークロール5 及び巻取リール4 の
各軸心に平行になるよう据え付けられるが、実際には、
据え付け誤差が生じている。形状検出ローラ2 に据え付
け誤差があると、前記形状演算装置7 で求めた板形状Ｉ
i に該据付誤差が含まれたものとなり、正確な形状でな
くなる。The subscript i in the shape Ii represents the sensor number, i = 1 to n, and n represents the total number of sensors. That is, the shape Ii indicates the plate shape at the i-th sensor position. By the way, the shape detection roller 2 is installed so as to be parallel to the respective axial centers of the work roll 5 and the take-up reel 4 of the rolling mill 1.
Installation error has occurred. If there is an installation error in the shape detection roller 2, the plate shape I obtained by the shape calculation device 7 will be described.
Since the installation error is included in i, the shape is not accurate.
【００１３】即ち、据え付け誤差がゼロの時の圧延材3
の長さ（ミル中心から巻取リールにおける巻き取り接点
までの圧延材長さ）をＬ1 とし、図１の仮想線で示すよ
うに、据え付け誤差があるときの圧延材長さをＬ2 とす
ると、この据付誤差は、形状誤差Ｉとして、次式の如く
現れる。That is, the rolled material 3 when the installation error is zero
Let L1 be the length (rolled material length from the center of the mill to the winding contact point on the winding reel) and L2 be the rolled material length when there is an installation error as shown by the phantom line in FIG. This installation error appears as the shape error I as in the following equation.
【００１４】[0014]
【数１】 Ｉ＝（Ｌ1 ーＬ2 ）・１０5 ／Ｌ1 (I-unit)……(1)[Equation 1] I = (L1−L2) · 10 5 / L1 (I-unit) …… (1)
【００１５】そこで、本発明では、前記形状検出ローラ
2 の据付誤差に基づく形状誤差を演算する誤差演算手段
8 が設けられている。そして、この誤差演算手段8 によ
り求められた形状誤差を、前記形状演算装置7 により求
められた形状から差し引いて補正する補正手段9 が設け
られている。以下、前記誤差演算手段8 における演算手
順を説明する。Therefore, in the present invention, the shape detecting roller is
Error calculation means to calculate the shape error based on the installation error of 2
8 are provided. Further, there is provided a correction means 9 for correcting the shape error calculated by the error calculation means 8 by subtracting it from the shape calculated by the shape calculation device 7. The calculation procedure in the error calculating means 8 will be described below.
【００１６】形状検出ローラ2 の据付誤差は、水平度Δ
Ｈと平行度ΔＳで定義される。まず、図２に示すよう
に、形状検出ローラ2 の水平度ΔＨとは、水平線に対す
る形状検出ローラ2 の軸心の傾きＢ／Ａ（ｍｍ／ｍ）で
定義される。そして、図に示す如くドライブ側(DS)より
もワーク側(WS)の方が上方にある時を正（ΔＨ＞０）と
し、その逆の場合を負とする。尚、ドライブ側とは圧延
機1 の駆動装置がある側をいい、ワーク側はその反対側
を言う。The installation error of the shape detection roller 2 depends on the levelness Δ
It is defined by H and parallelism ΔS. First, as shown in FIG. 2, the horizontality ΔH of the shape detection roller 2 is defined by the inclination B / A (mm / m) of the axis of the shape detection roller 2 with respect to the horizontal line. Then, as shown in the figure, the case where the work side (WS) is higher than the drive side (DS) is positive (ΔH> 0), and the opposite case is negative. The drive side is the side on which the drive device of the rolling mill 1 is located, and the work side is the opposite side.
【００１７】同様に、図３に示すように、形状検出ロー
ラ2 の平行度ΔＳとは、巻取リール4 の軸心に対する形
状検出ローラ2 の軸心の傾きＣ／Ａ（ｍｍ／ｍ）で定義
される。そして、図に示す如くドライブ側よりもワーク
側の方が巻取リールから離反してい時を正（ΔＳ＞０）
とし、その逆の場合を負とする。前記形状検出ローラ2
の据付誤差ΔＨ、ΔＳは、圧延機1 の据え付け時、また
は、形状検出ローラ2 の調整時、若しくは、定期的に測
定され、誤差演算手段8に入力される。Similarly, as shown in FIG. 3, the parallelism ΔS of the shape detecting roller 2 is the inclination C / A (mm / m) of the axis of the shape detecting roller 2 with respect to the axis of the take-up reel 4. Is defined. Then, as shown in the figure, it is correct when the work side is separated from the take-up reel than the drive side (ΔS> 0).
And the opposite case is negative. The shape detection roller 2
The installation errors ΔH and ΔS are measured when the rolling mill 1 is installed, when the shape detection roller 2 is adjusted, or periodically measured, and are input to the error calculation means 8.
【００１８】前記入力された据付誤差ΔＨ、ΔＳは、誤
差演算手段8 において、次の如く形状誤差ΔＩi に換算
される。まず、水平度誤差ΔＨに関し、単位水平度誤差
当たりの形状誤差ΔＩH を求める。すなわち、ΔＨ＝
０．０１ｍｍ／ｍ の時のドライブ側端に対するワーク
側端の伸び差（Ｉ−ｕｎｉｔ）をΔＩH として求める。The input installation errors ΔH and ΔS are converted into the shape error ΔIi in the error calculating means 8 as follows. First, regarding the horizontality error ΔH, a shape error ΔIH per unit horizontality error is obtained. That is, ΔH =
The difference in elongation (I-unit) of the work side end with respect to the drive side end at 0.01 mm / m 2 is determined as ΔIH.
【００１９】同様に、平行度誤差ΔＳに関し、単位平行
度誤差当たりの形状誤差ΔＩS を求める。すなわち、Δ
Ｓ＝０．０１ｍｍ／ｍ の時のドライブ側端に対するワ
ーク側端の伸び差（Ｉ−ｕｎｉｔ）をΔＩS として求め
る。次に、前記求めた単位水平度誤差当たりの形状誤差
ΔＩH 及び単位平行度誤差当たりの形状誤差ΔＩS か
ら、全形状誤差ΔＩT を次式で求める。Similarly, regarding the parallelism error ΔS, the shape error ΔIS per unit parallelism error is obtained. That is, Δ
The expansion difference (I-unit) of the work side end with respect to the drive side end when S = 0.01 mm / m is determined as ΔIS. Next, from the shape error ΔIH per unit horizontality error and the shape error ΔIS per unit parallelism error thus obtained, the total shape error ΔIT is calculated by the following equation.
【００２０】[0020]
【数２】ΔＩT ＝ΔＩH ・ΔＨ／０．０１＋ΔＩS ・Δ
Ｓ／０．０１……(2)[Formula 2] ΔIT = ΔIH · ΔH / 0.01 + ΔIS · Δ
S / 0.01 …… (2)
【００２１】次に、各センサ位置における形状誤差ΔＩ
i を、次式で求める。Next, the shape error ΔI at each sensor position.
i is calculated by the following equation.
【００２２】[0022]
【数３】 ΔＩi ＝ΔＩT ・（ｉーｎ／２ー０．５）／ｎ……(3)[Formula 3] ΔIi = ΔIT · (in / 2−0.5) / n (3)
【００２３】以上の如く求められた形状誤差ΔＩi は、
記憶手段等に記憶される。そして、前記補正手段9 によ
り、前記形状演算装置7 で求めた形状Ｉi から、前記形
状誤差ΔＩi を次式の如く差し引くことにより、補正さ
れた形状Ｉi'を求めるのである。The shape error ΔIi obtained as described above is
It is stored in storage means or the like. Then, the correction means 9 subtracts the shape error ΔIi from the shape Ii obtained by the shape calculation device 7 as in the following equation to obtain a corrected shape Ii ′.
【００２４】[0024]
【数４】Ｉi'＝Ｉi ーΔＩi ……(4)[Equation 4] Ii '= Ii-ΔIi (4)
【００２５】この補正後の形状Ｉi'が形状表示画面（図
示省略）に表示され、また圧延機1の制御装置（図示省
略）に制御信号として出力される。以上のように、形状
検出ローラ2 の据付誤差を補正することにより、形状検
出の精度が向上する。以下、具体的数値をもって、前記
形状誤差ΔＩi を求める。The corrected shape Ii 'is displayed on the shape display screen (not shown) and is also output as a control signal to the controller (not shown) of the rolling mill 1. As described above, the accuracy of shape detection is improved by correcting the installation error of the shape detection roller 2. Hereinafter, the shape error .DELTA.Ii is obtained with a specific numerical value.
【００２６】検出ローラの据付け誤差が、水平度ΔＨ＝
０．０３ｍｍ／ｍ、平行度ΔＳ＝０．０３ｍｍ／ｍで据
え付けられた場合の形状誤差は、以下に示す如くにな
る。 水平度ΔＨ＝０．０３ｍｍ／ｍ、板幅１，３００ｍｍ
の時、Ｌ1 ＝６２６８．６３２０ｍｍ、Ｌ2 ＝６２６
８．６２８０ｍｍであった場合、前記(1) 式より、 ＩH ＝（Ｌ1 ーＬ2 ）・１０5 ／Ｌ1 ＝０．０６４(I-u
nit) 平行度ΔＳ＝０．０３ｍｍ／ｍ、板幅１，３００ｍｍ
の時、Ｌ1 ＝６２６８．６３２０ｍｍ、Ｌ2 ＝６２６
８．６３１５ｍｍであった場合、前記(1) 式より、 ＩS ＝（Ｌ1 ーＬ2 ）・１０5 ／Ｌ1 ＝０．００８(I-u
nit) 従って、水平と平行の両者の全誤差は、 ０．０６４＋０．００８＝０．０７２I-unit になる。The detection roller installation error is caused by the horizontality ΔH =
The shape error when installed with 0.03 mm / m and parallelism ΔS = 0.03 mm / m is as shown below. Horizontalness ΔH = 0.03 mm / m, board width 1,300 mm
When, L1 = 6268.6320 mm, L2 = 626
When it is 8.6280 mm, IH = (L1−L2) · 10 5 /L1=0.064(Iu
nit) Parallelism ΔS = 0.03mm / m, plate width 1,300mm
When, L1 = 6268.6320 mm, L2 = 626
If it is 8.6315 mm, from the above formula (1), Is = (L1 -L2) .10 5 / L1 = 0.008 (Iu
nit) Therefore, the total error of both horizontal and parallel is 0.064 + 0.008 = 0.072 I-unit.
【００２７】単位水平度誤差当たりの形状誤差ΔＩH 及
び単位平行度誤差当たりの形状誤差ΔＩS は、次のよう
になる。 ΔＩH ＝０．０６４／３＝０．０２１ I-unit ΔＩS ＝０．００８／３＝０．００３ I-unit 次に、前記(2) 式より、 ΔＩT ＝0.021 ×0.03／0.01＋0.003 ×0.03／0.01＝0.
071 センサの数をｎ＝３８とすると、前記(3) 式より、 ΔＩ1 ＝0.071 ×（1 ー19−0.5 ）／38＝−0.035 …… ΔＩ38＝0.071 ×（38ー19−0.5 ）／38＝0.035 この関係を図示すれば、図 4に示す通りである。検出ロ
ーラ中央を中心としてNo.1〜No.38 の各センサ位置にお
ける伸び率差が求められる。尚、伸び率差は相対的なも
のであり、伸び率差のトータル( 図 4における斜線部)
は、０ I-Unitとなる。The shape error ΔIH per unit horizontality error and the shape error ΔIS per unit parallelism error are as follows. ΔIH = 0.064 / 3 = 0.021 I-unit ΔIS = 0.008 / 3 = 0.003 I-unit Next, from the equation (2), ΔIT = 0.021 × 0.03 / 0.01 + 0.003 × 0.03 /0.01=0.
Assuming that the number of sensors is n = 38, from the above formula (3), ΔI1 = 0.071 × (1-19−0.5) /38=−0.035 ... ΔI38 = 0.071 × (38-19−0.5) / 38 = 0.035 The relationship is illustrated in Fig. 4. The elongation difference at each sensor position of No. 1 to No. 38 centered on the center of the detection roller is obtained. The difference in elongation is relative, and the difference in elongation is the total (shaded area in Figure 4).
Is 0 I-Unit.
【００２８】尚、本発明は、前記実施例に限定されるも
のではない。例えば、前記(2) 式に代えて次式を用いて
もよい。The present invention is not limited to the above embodiment. For example, the following equation may be used instead of the equation (2).
【００２９】[0029]
【数５】ΔＩT ＝α・ΔＩH ・ΔＨ／０．０１＋β・Δ
ＩS ・ΔＳ／０．０１……(2)' 但し、０＜α＜１、０＜β＜１[Formula 5] ΔIT = α · ΔIH · ΔH / 0.01 + β · Δ
IS .DELTA.S / 0.01 (2) 'However, 0 <α <1, 0 <β <1
【００３０】[0030]
【発明の効果】形状検出ロールの据え付け誤差を事前に
測定し、このデータを形状検出アルゴリズム中に取り入
れ、補正計算を行うことにより、検出形状の精度を向上
させることができる。The accuracy of the detected shape can be improved by measuring the installation error of the shape detection roll in advance, incorporating this data into the shape detection algorithm, and performing the correction calculation.
【図１】本発明の実施例を示すブロック図である。FIG. 1 is a block diagram showing an embodiment of the present invention.
【図２】形状検出ローラの正面図であり、且つ、水平度
を示す説明図である。FIG. 2 is a front view of a shape detection roller and is an explanatory view showing the levelness.
【図３】形状検出ローラと巻取リールの平面図であり、
且つ、平行度を示す説明図である。FIG. 3 is a plan view of a shape detection roller and a take-up reel,
And it is explanatory drawing which shows parallelism.
【図４】形状誤差を示すグラフである。FIG. 4 is a graph showing a shape error.
１ 圧延機 ２ 形状検出ローラ ３ 圧延板材 ４ 巻取リール ７ 形状演算装置 ８ 誤差演算手段 ９ 補正手段 DESCRIPTION OF SYMBOLS 1 Rolling mill 2 Shape detection roller 3 Rolled plate material 4 Take-up reel 7 Shape calculation device 8 Error calculation means 9 Correction means
フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｇ０１Ｂ 5/20 Ｇ 8605−2Ｆ 21/20 Ｇ Continuation of front page (51) Int.Cl. 6 Identification code Office reference number FI technical display location G01B 5/20 G 8605-2F 21/20 G
Claims (2)
出ロールの据付誤差を求め、該据付誤差により生じる形
状誤差を求め、 前記形状検出ローラにより圧延板材の形状を求め、該求
めた形状を、前記求めた形状誤差により補正することを
特徴とする圧延材の形状検出方法。1. An installation error of a shape detection roll for detecting the shape of a rolled plate material is obtained, a shape error caused by the installation error is obtained, a shape of the rolled plate material is obtained by the shape detection roller, and the obtained shape is obtained. A method for detecting the shape of a rolled material, which is characterized in that the correction is performed based on the obtained shape error.
タに基づき圧延板材の形状を求める形状演算装置と、該
形状演算装置により求めた形状を、前記形状検出ロール
の据付誤差に基づく形状誤差により補正する補正手段と
を具備したことを特徴とする圧延材の形状検出装置。2. A shape calculation device for obtaining the shape of a rolled plate based on the shape data obtained by the shape detection roller, and the shape obtained by the shape calculation device is corrected by a shape error based on the installation error of the shape detection roll. A shape detecting device for a rolled material, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5333550A JP2740119B2 (en) | 1993-12-27 | 1993-12-27 | Method and apparatus for detecting shape of rolled material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5333550A JP2740119B2 (en) | 1993-12-27 | 1993-12-27 | Method and apparatus for detecting shape of rolled material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07185634A true JPH07185634A (en) | 1995-07-25 |
| JP2740119B2 JP2740119B2 (en) | 1998-04-15 |
Family
ID=18267303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5333550A Expired - Fee Related JP2740119B2 (en) | 1993-12-27 | 1993-12-27 | Method and apparatus for detecting shape of rolled material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2740119B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007108036A (en) * | 2005-10-14 | 2007-04-26 | Nippon Steel Corp | Extension coefficient measurement device for steel plate and extension coefficient measurement method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63228017A (en) * | 1986-10-08 | 1988-09-22 | Kobe Steel Ltd | High-accuracy detector for rolled material shape |
| JPH04102010A (en) * | 1990-08-20 | 1992-04-03 | Nkk Corp | Measuring device of degree of flatness |
| JPH04172212A (en) * | 1990-11-05 | 1992-06-19 | Kobe Steel Ltd | Shape detecting method for rolled plate material |
| JPH05164548A (en) * | 1991-12-11 | 1993-06-29 | Sumitomo Metal Ind Ltd | Method of measuring degree of steepness |
-
1993
- 1993-12-27 JP JP5333550A patent/JP2740119B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63228017A (en) * | 1986-10-08 | 1988-09-22 | Kobe Steel Ltd | High-accuracy detector for rolled material shape |
| JPH04102010A (en) * | 1990-08-20 | 1992-04-03 | Nkk Corp | Measuring device of degree of flatness |
| JPH04172212A (en) * | 1990-11-05 | 1992-06-19 | Kobe Steel Ltd | Shape detecting method for rolled plate material |
| JPH05164548A (en) * | 1991-12-11 | 1993-06-29 | Sumitomo Metal Ind Ltd | Method of measuring degree of steepness |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007108036A (en) * | 2005-10-14 | 2007-04-26 | Nippon Steel Corp | Extension coefficient measurement device for steel plate and extension coefficient measurement method |
| JP4564438B2 (en) * | 2005-10-14 | 2010-10-20 | 新日本製鐵株式会社 | Steel sheet elongation measuring apparatus and elongation measuring method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2740119B2 (en) | 1998-04-15 |
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