JPH09178460A - Method of measuring elongation percentage of steel strip on refining rolling line - Google Patents

Method of measuring elongation percentage of steel strip on refining rolling line

Info

Publication number
JPH09178460A
JPH09178460A JP7341594A JP34159495A JPH09178460A JP H09178460 A JPH09178460 A JP H09178460A JP 7341594 A JP7341594 A JP 7341594A JP 34159495 A JP34159495 A JP 34159495A JP H09178460 A JPH09178460 A JP H09178460A
Authority
JP
Japan
Prior art keywords
steel strip
pass mill
skin pass
tension leveler
elongation percentage
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
Application number
JP7341594A
Other languages
Japanese (ja)
Inventor
Kazuo Maruyama
和雄 丸山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP7341594A priority Critical patent/JPH09178460A/en
Publication of JPH09178460A publication Critical patent/JPH09178460A/en
Pending legal-status Critical Current

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  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a method of an elongation percentage of a steel strip on a refining rolling line provided at its output side of a skin pass mill with a tension leveler, which can precisely measure an elongation percentage at the skin pass mill and an elongation percentage at the tension leveler. SOLUTION: A Doppler type noncontact speed meters 51 to 53 for measuring speeds of a steel strip S to be conveyed, are provided between an input bridle roll 1 and a spin pass mill 2 and between a tension lever 3 and an output bridle roll 4. In an elongation percentage calculating device within a control device 6, an elongation percentage NSK of the steel strip S at the skin pass mill 2, an elongation percentage thereof at the tension leveler 3 and an elongation percentage NTL at the skin pass mill 2, and an entire elongation percentage NTO between the skin pass mill 2 and the tension leveler 3 are calculated from detected speeds V1 to V3 detected by noncontact speed meters 51 to 53 at several positions.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、スキンパスミルの
出側にテンションレベラーが配置された調質圧延ライン
での、鋼帯の伸び率測定方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for measuring the elongation percentage of a steel strip in a temper rolling line in which a tension leveler is arranged on the exit side of a skin pass mill.

【0002】[0002]

【従来の技術】従来より、スキンパスミルを通過した鋼
帯をテンションレベラーに供給して形状矯正を行う調質
圧延ラインでは、スキンパスミルによる鋼帯の伸び率、
テンションレベラーによる鋼帯の伸び率、およびスキン
パスミルとテンションレベラーとによる鋼帯の全伸び率
をそれぞれ測定するために、図4に示すように、スキン
パスミル2とテンションレベラー3との間に板速検出用
ロール8を設置し、この板速検出用ロール8、スキンパ
スミル2の入側に設置されたブライドルロール1、およ
びテンションレベラー3の出側に設置されたブライドル
ロール4にそれぞれパルスジェネレータ91〜93を接
続し、各パルスジェネレータ91〜93からの速度検出
値に基づいて前記各伸び率を算出している。
2. Description of the Related Art Conventionally, in a temper rolling line in which a steel strip that has passed through a skin pass mill is supplied to a tension leveler for straightening the shape, the elongation rate of the steel strip by the skin pass mill,
In order to measure the elongation rate of the steel strip by the tension leveler and the total elongation rate of the steel strip by the skin pass mill and the tension leveler, respectively, as shown in FIG. 4, a plate speed was set between the skin pass mill 2 and the tension leveler 3. The detection roll 8 is installed, and the plate speed detection roll 8, the bridle roll 1 installed on the entrance side of the skin pass mill 2, and the bridle roll 4 installed on the exit side of the tension leveler 3 are respectively pulse generators 91 to 91. 93 is connected to each of the pulse generators 91 to 93, and each elongation rate is calculated based on the detected speed value.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、前記従
来技術において、スキンパスミルとテンションレベラー
との間に設置された板速検出用ロールは、鋼帯に巻き付
いていないためスリップし易いことや、ロール自体の摩
耗によって、板速の検出が正確にできない恐れがある。
そのため、この板速検出用ロールに接続されたパルスジ
ェネレータからの速度検出値に基づいて算出される、ス
キンパスミルでの伸び率およびテンションレベラーでの
伸び率については、正確な測定値が安定的には得られな
いという問題がある。
However, in the above-mentioned prior art, the plate speed detecting roll installed between the skin pass mill and the tension leveler is not wound around the steel strip and thus easily slips, and the roll itself. There is a possibility that the plate speed cannot be accurately detected due to wear of the.
Therefore, for the elongation rate at the skin pass mill and the elongation rate at the tension leveler, which is calculated based on the speed detection value from the pulse generator connected to the plate speed detection roll, accurate measured values are stable. There is a problem that can not be obtained.

【0004】本発明は、このような従来技術の問題点を
解決することを課題とするものであり、スキンパスミル
の出側にテンションレベラーが配置された調質圧延ライ
ンでの鋼帯の伸び率測定方法において、スキンパスミル
での伸び率およびテンションレベラーでの伸び率を正確
に測定できる方法を提供する。
An object of the present invention is to solve the above problems of the prior art, and the elongation rate of a steel strip in a temper rolling line in which a tension leveler is arranged on the exit side of a skin pass mill. Provided is a method for accurately measuring the elongation rate with a skin pass mill and the elongation rate with a tension leveler.

【0005】[0005]

【課題を解決するための手段】上記課題を解決するため
に、請求項1にかかる発明は、スキンパスミルの出側に
テンションレベラーが配置された調質圧延ラインでの鋼
帯の伸び率測定方法において、搬送される鋼帯の速度を
非接触で計測可能な非接触速度計を、前記スキンパスミ
ルの入側と、前記スキンパスミルの出側であって且つテ
ンションレベラーの入側である位置と、前記テンション
レベラーの出側と、に設置し、各非接触速度計からの速
度検出値に基づいて鋼帯の伸び率を測定することを特徴
とする鋼帯の伸び率測定方法を提供する。
In order to solve the above-mentioned problems, the invention according to claim 1 is a method for measuring the elongation percentage of a steel strip in a temper rolling line in which a tension leveler is arranged on the exit side of a skin pass mill. In, a non-contact speed meter capable of measuring the speed of the conveyed steel strip in a non-contact manner, the inlet side of the skin pass mill, and the position of the outlet side of the skin pass mill and the inlet side of the tension leveler, A method for measuring the elongation rate of a steel strip is provided, which is installed on the outlet side of the tension leveler and measures the elongation rate of the steel strip based on the speed detection value from each non-contact speed meter.

【0006】請求項2にかかる発明は、スキンパスミル
の出側にテンションレベラーが配置された調質圧延ライ
ンでの鋼帯の伸び率測定方法において、搬送される鋼帯
の板厚を非接触で計測可能な板厚計を、前記スキンパス
ミルの入側と、前記スキンパスミルの出側であって且つ
テンションレベラーの入側である位置と、前記テンショ
ンレベラーの出側と、に設置し、各板厚計からの板厚検
出値に基づいて鋼帯の伸び率を測定することを特徴とす
る鋼帯の伸び率測定方法を提供する。
According to a second aspect of the present invention, in the method for measuring the elongation percentage of a steel strip in a temper rolling line in which a tension leveler is arranged on the exit side of a skin pass mill, the sheet thickness of the steel strip to be conveyed is contactless. A measurable plate thickness gauge is installed on the entrance side of the skin pass mill, the position on the exit side of the skin pass mill and the entrance side of the tension leveler, and the exit side of the tension leveler, and each plate is installed. Provided is a method for measuring the elongation rate of a steel strip, which comprises measuring the elongation rate of the steel strip based on a plate thickness detection value from a thickness gauge.

【0007】[0007]

【発明の実施の形態】以下、本発明の実施形態を図面に
基づいて説明する。図1は、本発明の方法が適用された
調質圧延ラインの第一実施形態を示す概略構成図であ
る。図1に示すように、この調質圧延ラインは、入側ブ
ライドルロール1から搬送された鋼帯Sが、スキンパス
ミル2で調質圧延された後、テンションレベラー3で形
状矯正されて、出側ブライドルロール4を介して図示さ
れない巻取り装置に搬送されるように構成されている。
そして、入側ブライドルロール1とスキンパスミル2と
の間、スキンパスミル2とテンションレベラー3との
間、テンションレベラー3と出側ブライドルロール4と
の間に、搬送される鋼帯Sの速度を非接触で計測できる
ドップラー式の非接触速度計51〜53が設置されてい
る。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic configuration diagram showing a first embodiment of a temper rolling line to which the method of the present invention is applied. As shown in FIG. 1, in this temper rolling line, a steel strip S conveyed from an inlet bridle roll 1 is temper rolled by a skin pass mill 2 and then shape-corrected by a tension leveler 3 and then an outlet side. It is configured to be conveyed to a winding device (not shown) via the bridle roll 4.
The speed of the steel strip S conveyed between the entrance side bridle roll 1 and the skin pass mill 2, between the skin path mill 2 and the tension leveler 3, and between the tension leveler 3 and the exit side bridle roll 4 is controlled. Doppler non-contact speedometers 51 to 53 that can measure by contact are installed.

【0008】これらの非接触速度計51〜53は制御装
置6に接続されており、この制御装置6は、各非接触速
度計51〜53による前記各位置での板速検出値V1
3が入力され、これらの検出値V1 〜V3 から、スキ
ンパスミル2による鋼帯Sの伸び率NSK、テンションレ
ベラー3による鋼帯Sの伸び率NTL、およびスキンパス
ミル2とテンションレベラー3とによる鋼帯Sの全伸び
率NTOを算出する伸び率算出装置を備えている。
These non-contact speedometers 51 to 53 are connected to a control device 6, which controls the non-contact speedometers 51 to 53 at the plate speed detection values V 1 to V 1 at the respective positions.
V 3 is input, and from these detected values V 1 to V 3 , the elongation rate N SK of the steel strip S by the skin pass mill 2, the elongation rate N TL of the steel strip S by the tension leveler 3, and the skin pass mill 2 and the tension leveler. An elongation rate calculation device for calculating the total elongation rate N TO of the steel strip S according to No. 3 and No. 3 is provided.

【0009】ここで、前記各伸び率NSK,NTL,N
TOは、前記各検出値V1 〜V3 を用いて、下記の(1)
〜(3)式で算出される。 NSK=(V2 −V1 )/V2 ‥‥(1) NTL=(V3 −V2 )/V3 ‥‥(2) NTO=(V3 −V1 )/V3 ‥‥(3) 前記伸び率算出装置は、前記(1)〜(3)式の演算を
所定時間毎に行うことのできる演算器で構成され、この
伸び率算出装置で算出された前記各伸び率NSK,NTL
TOは、制御装置6内の別の演算器に出力されて、所定
の伸び率制御が行われるようになっている。
Here, the elongations N SK , N TL , N
The TO uses the detected values V 1 to V 3 described above and uses the following (1)
~ Is calculated by the equation (3). N SK = (V 2 −V 1 ) / V 2・ ・ ・ (1) N TL = (V 3 −V 2 ) / V 3・ ・ ・ (2) N TO = (V 3 −V 1 ) / V 3・ ・ ・(3) The elongation rate calculating device is composed of an arithmetic unit capable of performing the calculation of the equations (1) to (3) at predetermined time intervals, and each elongation rate calculated by the elongation rate calculating device. N SK , N TL ,
N TO is output to another arithmetic unit in the control device 6 to perform a predetermined elongation rate control.

【0010】このように、この第一実施形態では、非接
触速度計51〜53からの板速検出値V1 〜V3 に基づ
いて、制御装置6内で前記各伸び率NSK,NTL,NTO
算出されるため、スキンパスミル2による鋼帯Sの伸び
率NSKおよびテンションレベラー3による鋼帯の伸び率
TLについても、常に正確な測定値が得られる。また、
このように伸び率が正確に測定されることによって、伸
び率制御の信頼性を向上させることができる。
As described above, in the first embodiment, the elongation rates N SK and N TL are set in the controller 6 based on the plate speed detection values V 1 to V 3 from the non-contact speed meters 51 to 53. , N TO are calculated, so that accurate measurements of the elongation N SK of the steel strip S by the skin pass mill 2 and the elongation N TL of the steel strip by the tension leveler 3 can always be obtained. Also,
By accurately measuring the elongation rate in this manner, the reliability of the elongation rate control can be improved.

【0011】図2は、本発明の方法が適用された調質圧
延ラインの第二実施形態を示す概略構成図である。図2
に示すように、この調質圧延ラインは、図1と同様に、
入側ブライドルロール1から搬送された鋼帯Sが、スキ
ンパスミル2で調質圧延された後、テンションレベラー
3で形状矯正されて、出側ブライドルロール4を介して
図示されない巻取り装置に搬送されるように構成されて
いるが、入側ブライドルロール1とスキンパスミル2と
の間、スキンパスミル2とテンションレベラー3との
間、およびテンションレベラー3と出側ブライドルロー
ル4との間には、各位置における鋼帯Sの板厚を非接触
で計測する板厚計71〜73が設置されている。
FIG. 2 is a schematic configuration diagram showing a second embodiment of a temper rolling line to which the method of the present invention is applied. FIG.
As shown in Fig. 1, this temper rolling line is
The steel strip S conveyed from the entrance-side bridle roll 1 is temper-rolled by the skin pass mill 2, the shape is corrected by the tension leveler 3, and conveyed through the exit-side bridle roll 4 to a winding device (not shown). Although it is configured so that the entrance side bridle roll 1 and the skin pass mill 2, the skin path mill 2 and the tension leveler 3, and the tension leveler 3 and the exit side bridle roll 4 are connected to each other, Plate thickness gauges 71 to 73 for measuring the plate thickness of the steel strip S at the position in a non-contact manner are installed.

【0012】これらの板厚計71〜73は制御装置61
に接続されており、この制御装置61は、各板厚計71
〜73による前記各位置での板厚検出値T1 〜T3 が入
力され、これらの検出値T1 〜T3 から、スキンパスミ
ル2による鋼帯Sの伸び率N SK、テンションレベラー3
による鋼帯Sの伸び率NTL、およびスキンパスミル2と
テンションレベラー3とによる鋼帯Sの全伸び率NTO
算出する伸び率算出装置を備えている。
These plate thickness gauges 71 to 73 are control devices 61.
The control device 61 is connected to each plate thickness gauge 71.
˜73, the plate thickness detection value T at each position1~ TThreeEnters
And the detected value T1~ TThreeFrom skin skin
Elongation rate N of steel strip S SK, Tension leveler 3
Elongation N of steel strip S due toTL, And Skin Pass Mill 2
Total elongation N of the steel strip S due to the tension leveler 3TOTo
It is equipped with a growth rate calculating device for calculating.

【0013】ここで、マスフロー一定則から、前記各位
置での板厚T1 〜T3 と同位置での板速V1 〜V3 とに
ついて、下記の(4)式が成立する。 V1 ・T1 =V2 ・T2 =V3 ・T3 ‥‥(4) また、上記(4)式より下記の(5)〜(7)式が成立
し、 V1 /V2 =T2 /T1 ‥‥(5) V2 /V3 =T3 /T2 ‥‥(6) V1 /V3 =T3 /T1 ‥‥(7) これらの式から下記の(8)〜(10)式で示す換算を
行うことにより、 (V2 −V1 )/V2 =1−V1 /V2 =1−T2 /T1 ‥‥(8) (V3 −V2 )/V3 =1−V2 /V3 =1−T3 /T2 ‥‥(9) (V3 −V1 )/V3 =1−V1 /V3 =1−T3 /T1 ‥‥(10) 前記各伸び率NSK,NTL,NTOは、前記各検出値T1
3 を用いて、下記の(11)〜(13)式で算出され
る。
From the law of constant mass flow, the following equation (4) is established for the plate thicknesses T 1 to T 3 at the respective positions and the plate speeds V 1 to V 3 at the same positions. V 1 · T 1 = V 2 · T 2 = V 3 · T 3 (4) Further, from the above equation (4), the following equations (5) to (7) are established, and V 1 / V 2 = T 2 / T 1 (5) V 2 / V 3 = T 3 / T 2 (6) V 1 / V 3 = T 3 / T 1 (7) From these equations, the following (8 ) To (10) are converted to obtain (V 2 −V 1 ) / V 2 = 1−V 1 / V 2 = 1−T 2 / T 1 (8) (V 3 −V 2) / V 3 = 1- V 2 / V 3 = 1-T 3 / T 2 ‥‥ (9) (V 3 -V 1) / V 3 = 1-V 1 / V 3 = 1-T 3 / T 1 (10) The elongations N SK , N TL , and N TO are the detected values T 1 to
It is calculated by the following equations (11) to (13) using T 3 .

【0014】 NSK=(T1 −T2 )/T1 ‥‥(11) NTL=(T2 −T3 )/T2 ‥‥(12) NTO=(T1 −T3 )/T1 ‥‥(13) 前記伸び率算出装置は、前記(11)〜(13)式の演
算を所定時間毎に行うことのできる演算器で構成され、
この伸び率算出装置で算出された前記各伸び率NSK,N
TL,NTOは、制御装置61内の別の演算器に出力され
て、所定の伸び率制御が行われるようになっている。
N SK = (T 1 −T 2 ) / T 1 ··· (11) N TL = (T 2 −T 3 ) / T 2 ··· (12) N TO = (T 1 −T 3 ) / T 1 (13) The elongation percentage calculating device is composed of an arithmetic unit capable of performing the arithmetic operations of the equations (11) to (13) at predetermined time intervals.
The elongation rates N SK and N calculated by the elongation rate calculation device
TL and N TO are output to another arithmetic unit in the control device 61 to perform predetermined elongation rate control.

【0015】このように、この第二実施形態では、板厚
計71〜73からの板厚検出値T1〜T3 に基づいて、
制御装置61内で前記各伸び率NSK,NTL,NTOが算出
されるため、スキンパスミル2による鋼帯Sの伸び率N
SKおよびテンションレベラー3による鋼帯の伸び率NTL
についても、常に正確な測定値が得られる。また、この
ように伸び率が正確に測定されることによって、伸び率
制御の信頼性を向上させることができる。
As described above, in this second embodiment, based on the plate thickness detection values T 1 to T 3 from the plate thickness gauges 71 to 73,
Since the elongation rates N SK , N TL and N TO are calculated in the control device 61, the elongation rate N of the steel strip S by the skin pass mill 2 is calculated.
Steel strip elongation N TL by SK and tension leveler 3
For, also, an accurate measurement value is always obtained. Further, by accurately measuring the elongation rate in this manner, the reliability of the elongation rate control can be improved.

【0016】なお、板厚計とドップラー式の非接触速度
計とでは板厚計の方が設備費が高いため、コスト的には
第一実施形態のようにドップラー式の非接触速度計を用
いることが好ましい。図3に、本発明の方法(前記第一
実施形態または第二実施形態の構成)と前述の図4に示
す従来の方法とにより、ラインスピードを変化させなが
ら前記各伸び率NSK,NTL,NTOを算出し、スキンパス
ミル2での伸び率NSKとテンションレベラー3での伸び
率NTLについて各算出値を出力し、本発明の方法と従来
の方法とを比較したタイムチャートの一例を示す。図3
の(a)は本発明の方法で算出された伸び率NSK
(b)は本発明の方法で算出された伸び率NTL、(c)
は従来の方法で算出された伸び率NSK、(d)は従来の
方法で算出された伸び率NTL、(e)はラインスピード
のタイムチャートである。
Since the equipment thickness of the plate thickness meter and the Doppler non-contact speed meter is higher than that of the plate thickness meter, the Doppler non-contact speed meter is used in terms of cost as in the first embodiment. It is preferable. FIG. 3 shows the elongation ratios N SK and N TL while changing the line speed by the method of the present invention (the configuration of the first embodiment or the second embodiment) and the conventional method shown in FIG. , N TO are calculated, each calculated value is output for the elongation rate N SK for the skin pass mill 2 and the elongation rate N TL for the tension leveler 3, and an example of a time chart comparing the method of the present invention with the conventional method. Indicates. FIG.
(A) is the elongation N SK calculated by the method of the present invention,
(B) is the elongation rate N TL calculated by the method of the present invention, (c)
Is a growth rate N SK calculated by the conventional method, (d) is a growth rate N TL calculated by the conventional method, and (e) is a line speed time chart.

【0017】このタイムチャートから分かるように、従
来の方法では、ラインスピードの加減速時(t1
2 ,t3 〜t4 ,t5 〜t6 ,t7 〜t8 )に伸び率
の急峻な変動が見られたが、本発明の方法ではこのよう
な変動は見られなかった。これは、従来の方法では、特
にラインスピードの加減速時に板速検出用ロール8の鋼
帯Sとのスリップが生じやすく、板速の検出が正確にな
されないことに起因するものである。
As can be seen from this time chart, according to the conventional method, when the line speed is accelerated or decelerated (t 1 ~
t 2, t 3 ~t 4, t 5 but ~t 6, t 7 ~t 8) in elongation steep fluctuations in was observed, such variations in the process of the present invention was observed. This is because in the conventional method, slipping of the plate speed detecting roll 8 with the steel strip S is likely to occur particularly during acceleration / deceleration of the line speed, and the plate speed cannot be detected accurately.

【0018】[0018]

【発明の効果】以上説明したように、本発明の鋼帯の伸
び率測定方法によれば、スキンパスミルでの伸び率およ
びテンションレベラーでの伸び率が、常時正確に測定で
きるため、このようにして測定された伸び率測定値を、
テンションレベラーによる形状矯正の伸び率制御に使用
することによって、伸び率制御の信頼性を向上させるこ
とができる。
As described above, according to the method for measuring the elongation rate of the steel strip of the present invention, the elongation rate with the skin pass mill and the elongation rate with the tension leveler can always be accurately measured. The measured elongation rate is
The reliability of the elongation rate control can be improved by using it for the elongation rate control of the shape correction by the tension leveler.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の方法が適用された調質圧延ラインの第
一実施形態を示す概略構成図である。
FIG. 1 is a schematic configuration diagram showing a first embodiment of a temper rolling line to which the method of the present invention is applied.

【図2】本発明の方法が適用された調質圧延ラインの第
二実施形態を示す概略構成図である。
FIG. 2 is a schematic configuration diagram showing a second embodiment of a temper rolling line to which the method of the present invention is applied.

【図3】本発明の方法と従来の方法とを比較したタイム
チャートの一例であり、(a)は本発明の方法で算出さ
れたスキンパスミルでの伸び率NSK、(b)は本発明の
方法で算出されたテンションレベラーでの伸び率NTL
(c)は従来の方法で算出されたスキンパスミルでの伸
び率NSK、(d)は従来の方法で算出されたテンション
レベラーでの伸び率NTL、(e)はラインスピードのタ
イムチャートである。
FIG. 3 is an example of a time chart comparing the method of the present invention with a conventional method, (a) is the elongation N SK in the skin pass mill calculated by the method of the present invention, and (b) is the present invention. Elongation rate at tension leveler N TL calculated by
(C) is the elongation rate N SK for the skin pass mill calculated by the conventional method, (d) is the elongation rate N TL for the tension leveler calculated by the conventional method, and (e) is the line speed time chart. is there.

【図4】従来の伸び率測定方法が適用された調質圧延ラ
インを示す概略構成図である。
FIG. 4 is a schematic configuration diagram showing a temper rolling line to which a conventional elongation measuring method is applied.

【符号の説明】[Explanation of symbols]

2 スキンパスミル 3 テンションレベラー 51〜53非接触板速計 6 制御装置(伸び率測定装置) 71〜73板厚計 61 制御装置(伸び率測定装置) S 鋼帯 2 Skin pass mill 3 Tension leveler 51 to 53 Non-contact plate speed meter 6 Control device (elongation rate measuring device) 71 to 73 Plate thickness meter 61 Control device (elongation rate measuring device) S Steel strip

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 スキンパスミルの出側にテンションレベ
ラーが配置された調質圧延ラインでの鋼帯の伸び率測定
方法において、 搬送される鋼帯の速度を非接触で計測可能な非接触速度
計を、前記スキンパスミルの入側と、前記スキンパスミ
ルの出側であって且つテンションレベラーの入側である
位置と、前記テンションレベラーの出側と、に設置し、
各非接触速度計からの速度検出値に基づいて鋼帯の伸び
率を測定することを特徴とする調質圧延ラインでの鋼帯
の伸び率測定方法。
1. A non-contact speed meter capable of measuring the speed of a conveyed steel strip in a non-contact manner in a method for measuring the elongation of a steel strip in a temper rolling line in which a tension leveler is arranged on the exit side of a skin pass mill. Is installed on the inlet side of the skin pass mill, the outlet side of the skin pass mill and the inlet side of the tension leveler, and the outlet side of the tension leveler,
A method for measuring the elongation of a steel strip in a temper rolling line, which comprises measuring the elongation of the steel strip based on the speed detection value from each non-contact speedometer.
【請求項2】 スキンパスミルの出側にテンションレベ
ラーが配置された調質圧延ラインでの鋼帯の伸び率測定
方法において、 搬送される鋼帯の板厚を非接触で計測可能な板厚計を、
前記スキンパスミルの入側と、前記スキンパスミルの出
側であって且つテンションレベラーの入側である位置
と、前記テンションレベラーの出側と、に設置し、各板
厚計からの板厚検出値に基づいて鋼帯の伸び率を測定す
ることを特徴とする調質圧延ラインでの鋼帯の伸び率測
定方法。
2. A method for measuring the elongation rate of a steel strip in a temper rolling line in which a tension leveler is arranged on the exit side of a skin pass mill, which is a thickness gauge capable of non-contact measurement of the strip thickness of a conveyed steel strip. To
Installed on the inlet side of the skin pass mill, the position of the outlet side of the skin pass mill and the inlet side of the tension leveler, and the outlet side of the tension leveler, and the thickness detection value from each thickness gauge A method for measuring the elongation of a steel strip in a temper rolling line, which comprises measuring the elongation of the steel strip based on
JP7341594A 1995-12-27 1995-12-27 Method of measuring elongation percentage of steel strip on refining rolling line Pending JPH09178460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7341594A JPH09178460A (en) 1995-12-27 1995-12-27 Method of measuring elongation percentage of steel strip on refining rolling line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7341594A JPH09178460A (en) 1995-12-27 1995-12-27 Method of measuring elongation percentage of steel strip on refining rolling line

Publications (1)

Publication Number Publication Date
JPH09178460A true JPH09178460A (en) 1997-07-11

Family

ID=18347294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7341594A Pending JPH09178460A (en) 1995-12-27 1995-12-27 Method of measuring elongation percentage of steel strip on refining rolling line

Country Status (1)

Country Link
JP (1) JPH09178460A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100558787B1 (en) * 2001-12-22 2006-03-10 주식회사 포스코 Elongation control method of steel strip at the temper pass mill
CN101856670A (en) * 2009-04-01 2010-10-13 株式会社日立制作所 The control device of rolling mill and control method thereof
CN101856671A (en) * 2009-04-10 2010-10-13 株式会社日立制作所 The control method of rolling device, rolling device and rolling equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100558787B1 (en) * 2001-12-22 2006-03-10 주식회사 포스코 Elongation control method of steel strip at the temper pass mill
CN101856670A (en) * 2009-04-01 2010-10-13 株式会社日立制作所 The control device of rolling mill and control method thereof
CN101856671A (en) * 2009-04-10 2010-10-13 株式会社日立制作所 The control method of rolling device, rolling device and rolling equipment
CN102764770A (en) * 2009-04-10 2012-11-07 株式会社日立制作所 Rolling device, control method of rolling device and rolling equipment

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