JPH03230803A - Method and device for controlling camber of steel material with edging press - Google Patents
Method and device for controlling camber of steel material with edging pressInfo
- Publication number
- JPH03230803A JPH03230803A JP2026095A JP2609590A JPH03230803A JP H03230803 A JPH03230803 A JP H03230803A JP 2026095 A JP2026095 A JP 2026095A JP 2609590 A JP2609590 A JP 2609590A JP H03230803 A JPH03230803 A JP H03230803A
- Authority
- JP
- Japan
- Prior art keywords
- camber
- steel material
- width reduction
- width
- mold
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 57
- 239000010959 steel Substances 0.000 title claims description 57
- 239000000463 material Substances 0.000 title claims description 54
- 238000000034 method Methods 0.000 title claims description 7
- 238000007688 edging Methods 0.000 title 1
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0035—Forging or pressing devices as units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/68—Camber or steering control for strip, sheets or plates, e.g. preventing meandering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は熱間スラブの如き鋼材を幅圧下プレスにより連
続的に幅圧下する際に上記調料に発生するキャンバを制
御するために用いる幅圧下プレスによる鋼材のキャンバ
制御方法及び装置に関するものである。Detailed Description of the Invention [Industrial Application Field] The present invention relates to a width reduction method used to control camber that occurs in the preparation when a steel material such as a hot slab is continuously reduced in width using a width reduction press. The present invention relates to a method and apparatus for controlling camber of steel materials using a press.
［従来の技術］
加熱炉から搬送テーブル上を搬送されてぎたスラブ、又
は、連続鋳造機より鋳出されたスラブは、水平圧延して
製品化する前に、近年、連続鋳造設備の稼動率を向上さ
せること等を目的として、幅圧下を行うのか一般的であ
る。上記スラブの如き１１０．ｊの全長幅圧下を行う場
合、高圧下できる水平対向型の幅圧下プレスが使用され
るようになってきているが、幅圧下の時点で鋼材にキャ
ンバ（平面曲り）が発生していると、それか下流の水平
圧延工程まで維持されるため製品製造工程に重大な影響
を与える。[Prior Art] In recent years, slabs transported from a heating furnace on a transport table or slabs cast from a continuous casting machine are required to reduce the operating rate of continuous casting equipment before being horizontally rolled into products. It is common to perform width reduction for the purpose of improving. 110. Like the above slab. Horizontally opposed width reduction presses capable of high reduction are now being used to perform full length and width reduction of j. However, if camber (plane bending) occurs in the steel material at the time of width reduction, Otherwise, it is maintained until the downstream horizontal rolling process, which has a significant impact on the product manufacturing process.
そのため、従来では、第２図に一例を示す如く、幅圧下
プレスａの鋼材送出ラインｂ方向の入側に配置された鋼
材送出用のピンチロールＣとは別に、水平面内で回動で
きるようにしたピンチロールｄを幅圧下プレスａの出側
に設置し、キャンバ検出器ｅによって測定した鋼材ｆの
キャンバの方向及び量に基づき角度制御器９から上記ピ
ンチロールｄの位置決め装置りへ指令を送ることにより
ピンチロールｄをキャンバの発生方向とは異なる方向に
回動変位させ、該ピンチロールｄの回転によって鋼材ｆ
に曲げ力を与えることによりキャンバを修正するように
した方式が提案されている（特開昭６１−２２２６０２
号公報）。Therefore, in the past, as shown in an example in Fig. 2, in addition to the pinch roll C for steel material delivery, which is arranged on the entry side of the width reduction press a in the direction of the steel material delivery line b, a pinch roll C that can rotate in a horizontal plane is used. The pinch roll d is installed on the exit side of the width reduction press a, and the angle controller 9 sends a command to the positioning device of the pinch roll d based on the direction and amount of camber of the steel material f measured by the camber detector e. As a result, the pinch roll d is rotationally displaced in a direction different from the direction in which camber is generated, and the rotation of the pinch roll d causes the steel material f
A method has been proposed in which the camber is corrected by applying a bending force to the
Publication No.).
［発明が解決しようとする碑題］
ところが、上記従来方式では、出側のピンチロールｄの
送り方向を制御することによりキャンバの修正を行うよ
うにしであるため、幅圧下プレスａにより鋼材ｆの幅サ
イズを変更した後でなければ鋼（１丁にキャンバ修正用
外力を与えることはできず、又、キャンバの修正のため
に、ピンチロールＣとは別個にピンチロールｄを設置し
なければならなかった。[Problem to be Solved by the Invention] However, in the above conventional method, the camber is corrected by controlling the feeding direction of the pinch roll d on the exit side, so the width reduction press a is used to correct the camber of the steel material f. External force for camber correction cannot be applied to the steel (one piece) until after the width size has been changed, and pinch roll d must be installed separately from pinch roll C to correct camber. There wasn't.
そこで、本発明は、上記従来方式の如きキレンバ修正用
のピンチロールを幅圧下プレスの出側に設置することな
く、しかも幅圧下プレスによる鋼材の幅ナイス変更時に
同時にキャンバの修正を行うことができるような幅圧下
プレスによる鋼材のキャンバ制御方法及び装置を提供し
ようとするものである。Therefore, the present invention makes it possible to correct the camber at the same time when changing the width of the steel material by the width reduction press without installing a pinch roll for correcting the camber on the exit side of the width reduction press as in the conventional method. The present invention aims to provide a method and apparatus for controlling camber of steel materials using a width reduction press.
［課題を解決するための手段］
本発明は、上記課題を解決するために、鋼材送出ライン
を挟んで対向するように左右両側に配置した一対の金型
を有する幅圧下プレスにより鋼材を幅圧下する際に、鋼
材に発生しているかまたは発生するキャンバに基づいて
上記一対の金型のうら少なくとも一方の金型を鋼材送出
ライン方向に移動させて位置決めし、しかる後、鋼材の
幅圧下を行いキレンバを修正させることを特徴とする幅
圧下プレスによる鋼材のキャンバ制御方法及び装置とす
る。[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention reduces the width of a steel material using a width reduction press having a pair of molds disposed on both left and right sides so as to face each other across a steel material delivery line. At this time, based on the camber that has occurred or will occur in the steel material, at least one of the molds of the pair of molds is moved and positioned in the direction of the steel material delivery line, and then the width of the steel material is reduced. A method and apparatus for controlling the camber of a steel material using a width reduction press, which is characterized by correcting the camber.
［作 用］
鋼材に発生しているキャンバの方向が進行方向の右曲り
であるときは、鋼材の送り方向の右側の金型を移動させ
る場合は該金型を下流側へ移動させる如くキャンバに応
じて金型を鋼材送出ライン方向へ移動させて位置決めし
た後、幅圧下プレスにより鋼材をプレスして幅ナイスの
変更を行うと、幅サイズの変更と同時に鋼材にキャンバ
修正用外力を与えられることになる。[Function] When the direction of the camber that has occurred in the steel material is rightward in the direction of movement, when moving the mold on the right side in the feeding direction of the steel material, the camber is moved so that the mold is moved downstream. After moving the mold in the direction of the steel material delivery line and positioning it accordingly, press the steel material using a width reduction press to change the width to a nice width. At the same time as changing the width size, an external force for camber correction can be applied to the steel material. become.
上記キャンバの修正は、キャンバ検出器により検出した
信号に基づき金型の移動量を演算器で演鋒し、該演算器
から金型を移動させる駆動装置に指令を送ることにより
高い精度でキャンバが制御されることになる。The above-mentioned camber correction is performed by calculating the amount of movement of the mold using a calculator based on the signal detected by the camber detector, and by sending a command from the calculator to the drive device that moves the mold, the camber can be adjusted with high precision. It will be controlled.
［実 施 例］ 以下、本発明の実施例を図面を参照して説明する。[Example] Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明の一実施例を示すもので、鋼材送出ライ
ン［を挟んで左右両側に、一対のプレススライド２ａ、
２ｂにそれぞれ金型３ａ、３ｂを具備してなる水平対
向型の幅圧下プレス１を近接・離反動作可能に対向配置
し、該幅圧下プレス１の入側に、一対の竪ロール４を配
置して、上記幅圧下プレス１によりＩＦ５の幅圧下が行
われるようにすると共に、上記竪ロール４により鋼材５
に送出力が与えられるようにしである構成において、上
記鋼材送出ライン［を挟んで対向する金型３ａ、３ｂの
いずれか一方（たとえば、金型３ｂ）を上記鋼材送出ラ
インＬの方向へ自在に移動できるようにプレススライド
２ｂに組み付けると共に、該金型３ｂを移動させるため
の駆動装置６をプレススライド２ｂの下流側端部に装備
させ、且つ鋼＋７ｊ５のキャンバを検出するキャンバ検
出器７を幅圧下プレス１の鋼材送出ライン［方向の上流
側に、又、プレス後の鋼材５のキャンバを検出するキャ
ンバ検出器８を幅圧下プレス１の鋼材送出ラインし方向
の下流側にそれぞれ設置し、更に、これらキャンバ検出
器７及び８の検出信号に基づいて上記金型３ｂの移動方
向及び移動量を演算する演算器９と、該演算器９からの
信号により上記駆動装置６へ金型駆動指令を送る制御器
１０とを具備してなる構成とする。FIG. 1 shows an embodiment of the present invention, in which a pair of press slides 2a,
2b, horizontally opposed width reduction presses 1 each having molds 3a and 3b are arranged facing each other so as to be able to move toward and away from each other, and a pair of vertical rolls 4 are arranged on the entrance side of the width reduction press 1. Then, the width reduction of the IF5 is performed by the width reduction press 1, and the steel material 5 is rolled by the vertical roll 4.
In such a configuration, one of the molds 3a and 3b (for example, the mold 3b) facing each other across the steel material delivery line can be freely moved in the direction of the steel material delivery line L. It is assembled to the press slide 2b so as to be movable, and a drive device 6 for moving the mold 3b is equipped at the downstream end of the press slide 2b, and a camber detector 7 for detecting the camber of the steel +7j5 is installed with a width A camber detector 8 for detecting the camber of the steel material 5 after pressing is installed on the upstream side of the steel material delivery line of the width reduction press 1 [in the direction], and a camber detector 8 for detecting the camber of the steel material 5 after pressing is installed on the downstream side of the steel material delivery line of the width reduction press 1. , an arithmetic unit 9 that calculates the moving direction and amount of movement of the mold 3b based on the detection signals of these camber detectors 7 and 8, and a mold drive command to the driving device 6 based on the signal from the arithmetic unit 9. The configuration includes a controller 10 for sending data.
上流から搬送されてきた熱間スラブの如き鋼材５は、幅
圧下プレス１における金型３ａ、３ｂによりプレスされ
て幅サイズの変更が行われて下流へ送出されるが、この
際、幅圧下プレス１の上流側に設置しであるキャンバ検
出器７によってキャンバが検出されると、その信号に基
づき演算器９により金型３ｂの移動方向と移動量が演算
され、該演算器９で演算された値に基づいて制御器１０
から駆動装置６へ金型駆動指令が送られる。この場合、
たとえば、検出されたキャンバが鋼材５の進行方向に対
して６曲りであるときは、金型３ｂを金型３ａに対して
鋼材送出ラインしの下流方向へその曲り量に応じた移動
量ＡＱだけ移動させて位置決めする。かかる状態で、幅
圧下プレス１により鋼材５の幅圧下を行うと、幅サイズ
の変更と同時にキャンバが修正される。Steel material 5 such as a hot slab conveyed from upstream is pressed by molds 3a and 3b in width reduction press 1 to change the width size and sent downstream. When camber is detected by the camber detector 7 installed on the upstream side of the mold 3b, the moving direction and the amount of movement of the mold 3b are calculated by the calculator 9 based on the signal. controller 10 based on the value
A mold drive command is sent from the drive device 6 to the drive device 6. in this case,
For example, when the detected camber has six bends in the advancing direction of the steel material 5, the mold 3b is moved downstream of the steel material delivery line relative to the mold 3a by an amount AQ corresponding to the amount of bend. Move and position. In this state, when the width of the steel material 5 is reduced by the width reduction press 1, the camber is corrected at the same time as the width size is changed.
すなわち、金型３ａに対して金型３ｂが鋼材送出ライン
Ｌの下流側に位置決めされているため、鋼材５の幅ナイ
ズ変更時に鋼材５に左曲りの修正用外力が与えられるこ
とによってキャンバを修正させることができる。更に、
幅圧下後の鋼材５が下流側へ送出されると、下流のキャ
ンバ検出器８によりキャンバの有無が検出され、キャン
バが残っていれば、演算器９から金型位置修正信号が制
御器１０に送られ、制御器１０からの指令で駆動装置６
が駆動されることにより金型３ｂの位置が修正される。That is, since the mold 3b is positioned downstream of the steel material delivery line L with respect to the mold 3a, when changing the width of the steel material 5, an external force for correcting left bending is applied to the steel material 5, thereby correcting the camber. can be done. Furthermore,
When the steel material 5 after width reduction is sent to the downstream side, the downstream camber detector 8 detects the presence or absence of camber, and if camber remains, a mold position correction signal is sent from the calculator 9 to the controller 10. and the drive device 6 according to a command from the controller 10.
By driving, the position of the mold 3b is corrected.
これにより鋼材５のキャンバを高精度に制御することが
できる。Thereby, the camber of the steel material 5 can be controlled with high precision.
なお、上記実施例では、金型３ｂを鋼材送出ライン［の
方向に移動自在として駆動装置６により位置決めできる
ようにした場合を例示したが、金型３ａの方を移動させ
るようにしたり、あるいは、金型３ａ、３ｂの両方を移
動させるようにしてもよいこと、又、第１図に示す実施
例では、幅圧下プレス１の上流側と下流側の両方にキャ
ンバ検出器７と８を設置した場合を示したが、いずれか
一方だＣプでもよいこと、更に、キャンバ検出器として
は、鋼材の幅方向位置検出器を用いるようにしてもよい
こと、その他本発明の要旨を逸脱しない範囲内において
種々変更を加え得ることは勿論である。In the above embodiment, the mold 3b is movable in the direction of the steel material delivery line and positioned by the drive device 6, but the mold 3a may be moved or It is also possible to move both the molds 3a and 3b, and in the embodiment shown in FIG. 1, camber detectors 7 and 8 are installed on both the upstream and downstream sides of the width reduction press 1. Although the case has been shown, either one of them may be C-type, and furthermore, a width direction position detector of steel material may be used as the camber detector, and other changes may be made within the scope of the present invention. It goes without saying that various changes can be made.
［発明の効果］
以上述べた如く、本発明によれば、鋼材に発生するキャ
ンバを検出し、鋼材を挟み対向する金型のいずれか一方
を鋼材送出ライン方向に移動させて位置決めした後に対
向する金型により幅圧下を行うようにしたので、従来の
如きキャンバ修正用のピンチロールを用いることなく、
しかもｗ４祠の幅サイズ変更時に、幅圧下プレスにより
同時に且つ高精度でキャンバを制御することができる、
という優れた効果を発揮する。[Effects of the Invention] As described above, according to the present invention, camber occurring in the steel material is detected, and either one of the molds facing each other with the steel material in between is moved in the direction of the steel material delivery line and positioned, and then the camber is moved to face the steel material. Since the width reduction is performed by the mold, there is no need to use pinch rolls for camber correction as in the past.
Moreover, when changing the width size of the w4 shrine, the camber can be controlled at the same time and with high precision using the width reduction press.
It has an excellent effect.
第１図は本発明の幅圧下プレスによる鋼材のキャンバ制
御装置の一実施例を示す概略平面図、第２図は従来方式
の一例を示す概略平面図でおる。
１・・・幅圧下プレス、３ａ、３ｂ・・・金型、５・・
・＆ｌ１ｌｌ ＋Ｊ、６・・・駆動装置、７，８・・・
キャンバ検出器、９・・・演算器、１０・・・制御器、
し・・・銅材送出ライン。FIG. 1 is a schematic plan view showing an embodiment of a camber control device for steel materials using a width reduction press according to the present invention, and FIG. 2 is a schematic plan view showing an example of a conventional system. 1... Width reduction press, 3a, 3b... Mold, 5...
・&l1ll +J, 6... Drive device, 7, 8...
camber detector, 9... arithmetic unit, 10... controller,
...Copper material delivery line.
Claims (2)
に配置した一対の金型を有する幅圧下プレスにより鋼材
を幅圧下する際に、鋼材に発生するキャンバに基づいて
上記一対の金型のうち少なくとも一方の金型を鋼材送出
ライン方向に移動させて位置決めし、しかる後、鋼材の
幅圧下を行いキャンバを修正させることを特徴とする幅
圧下プレスによる鋼材のキャンバ制御方法。(1) When width-reducing a steel material using a width-reducing press that has a pair of dies placed on both the left and right sides facing each other across the steel material delivery line, the size of the pair of dies is determined based on the camber generated in the steel material. A method for controlling the camber of a steel material using a width reduction press, characterized in that at least one of the molds is moved in the direction of a steel material delivery line to position it, and then the width reduction of the steel material is performed to correct the camber.
に配置した一対の金型を有する幅圧下プレスにおける上
記一対の金型のうち少なくとも一方の金型を鋼材送出ラ
イン方向へ移動自在に構成して、該金型を移動させるた
めの駆動装置を設け、且つ上記幅圧下プレスの上流側又
は下流側の少なくとも一方の位置に、鋼材のキャンバを
検出するキャンバ検出器を設置し、更に、該キャンバ検
出器の検出信号に基づいて上記移動自在とした金型の移
動量を演算する演算器と、該演算器からの指令により上
記駆動装置へ金型移動指令を送る制御器とを備えてなる
ことを特徴とする幅圧下プレスによる鋼材のキャンバ制
御装置。(2) At least one of the pair of dies in a width reduction press having a pair of dies disposed on both left and right sides facing each other across the steel delivery line is configured to be movable in the direction of the steel delivery line. A drive device for moving the mold is provided, and a camber detector for detecting the camber of the steel material is installed at at least one of the upstream and downstream positions of the width reduction press. A computing device that calculates the amount of movement of the movable mold based on a detection signal from a camber detector, and a controller that sends a mold movement command to the driving device based on a command from the computing device. A camber control device for steel materials using a width reduction press, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2026095A JP2794875B2 (en) | 1990-02-07 | 1990-02-07 | Method and apparatus for controlling camber of steel by width reduction press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2026095A JP2794875B2 (en) | 1990-02-07 | 1990-02-07 | Method and apparatus for controlling camber of steel by width reduction press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03230803A true JPH03230803A (en) | 1991-10-14 |
| JP2794875B2 JP2794875B2 (en) | 1998-09-10 |
Family
ID=12184040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2026095A Expired - Fee Related JP2794875B2 (en) | 1990-02-07 | 1990-02-07 | Method and apparatus for controlling camber of steel by width reduction press |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2794875B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016518987A (en) * | 2013-03-28 | 2016-06-30 | ヒュンダイ スチール カンパニー | Camber control apparatus and method |
| EP3281715A4 (en) * | 2016-05-13 | 2018-10-31 | Nippon Steel & Sumitomo Metal Corporation | Edging method and edging apparatus |
| CN115351067A (en) * | 2022-07-25 | 2022-11-18 | 攀钢集团西昌钢钒有限公司 | Method and system for controlling side bending of outlet plate blank of hot rolling fixed-width press |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62192222A (en) * | 1986-02-19 | 1987-08-22 | Ishikawajima Harima Heavy Ind Co Ltd | Method for width rolling reduction by press |
-
1990
- 1990-02-07 JP JP2026095A patent/JP2794875B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62192222A (en) * | 1986-02-19 | 1987-08-22 | Ishikawajima Harima Heavy Ind Co Ltd | Method for width rolling reduction by press |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016518987A (en) * | 2013-03-28 | 2016-06-30 | ヒュンダイ スチール カンパニー | Camber control apparatus and method |
| US10071407B2 (en) | 2013-03-28 | 2018-09-11 | Hyundai Steel Company | Apparatus for controlling camber and method for same |
| EP3281715A4 (en) * | 2016-05-13 | 2018-10-31 | Nippon Steel & Sumitomo Metal Corporation | Edging method and edging apparatus |
| US10799925B2 (en) | 2016-05-13 | 2020-10-13 | Nippon Steel Corporation | Edging method and edging device |
| CN115351067A (en) * | 2022-07-25 | 2022-11-18 | 攀钢集团西昌钢钒有限公司 | Method and system for controlling side bending of outlet plate blank of hot rolling fixed-width press |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2794875B2 (en) | 1998-09-10 |
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