JPH0464774B2 - - Google Patents
Info
- Publication number
- JPH0464774B2 JPH0464774B2 JP58133369A JP13336983A JPH0464774B2 JP H0464774 B2 JPH0464774 B2 JP H0464774B2 JP 58133369 A JP58133369 A JP 58133369A JP 13336983 A JP13336983 A JP 13336983A JP H0464774 B2 JPH0464774 B2 JP H0464774B2
- Authority
- JP
- Japan
- Prior art keywords
- rolls
- cooling
- roll
- cooling rolls
- continuous casting
- 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 - Lifetime
Links
- 238000001816 cooling Methods 0.000 claims description 29
- 238000009749 continuous casting Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 238000005266 casting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/0648—Casting surfaces
- B22D11/0651—Casting wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Description
【発明の詳細な説明】
本発明は、ロール間隙から板状をなして引き抜
かれる凝固層の幅方向板厚分布を一定に制御し、
均一な厚みの金属帯板を鋳造する双ロール式連続
鋳造方法及びその装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention involves controlling uniformly the thickness distribution in the width direction of the solidified layer pulled out in a plate shape from the roll gap,
This invention relates to a twin-roll continuous casting method and apparatus for casting metal strips of uniform thickness.
近年、双ロール式連鋳機により金属帯板を連続
鋳造する方法が種々提案されている。かかる双ロ
ール式連鋳機による連続鋳造方法（双ロール法）
を第１図により説明すると、内面を水冷できるよ
うにした冷却用ロールａ，ｂを水平且つ平行に配
設し、この冷却用ロールａ，ｂ上にバレルシール
ｃ及びサイドシール（図示しない）により形成し
たバレル内に溶鋼ｄを連続的に供給しつつ冷却用
ロールａ，ｂを所要の駆動装置により回転し、冷
却用ロールａ，ｂの表面により冷却されて形成さ
れた凝固層ｅを冷却用ロールａ，ｂ間より板状に
して連続的に引き抜く。このようにして金属帯板
ｆを連続的に鋳造する。 In recent years, various methods have been proposed for continuously casting metal strips using a twin-roll continuous casting machine. Continuous casting method using such a twin roll continuous casting machine (twin roll method)
To explain this with reference to FIG. 1, cooling rolls a and b whose inner surfaces can be water-cooled are arranged horizontally and in parallel, and a barrel seal c and a side seal (not shown) are placed on the cooling rolls a and b. While continuously supplying the molten steel d into the formed barrel, the cooling rolls a and b are rotated by a required drive device, and the solidified layer e formed by being cooled by the surfaces of the cooling rolls a and b is used for cooling. It is made into a plate and continuously pulled out from between rolls a and b. In this way, the metal strip f is continuously cast.
現在、以上の双ロール法の実用化を進める上で
次のような問題がある。即ち、双ロール法におい
ては、冷却用ロールａ，ｂ間に圧延部ｇが生じる
ため冷却用ロールａ，ｂに圧延荷重Ｐが掛るが、
この場合、冷却用ロールａ，ｂは熱抜きを良くす
るため薄肉にしているので圧延荷重Ｐにより第２
図のように冷却用ロールａ，ｂのシエルの中央部
が大きく凹んでしまい、この結果、金属帯板ｆの
板厚が不均一になるという問題が生じている。 At present, there are the following problems in the practical application of the above-mentioned twin roll method. That is, in the twin roll method, since a rolling part g is created between the cooling rolls a and b, a rolling load P is applied to the cooling rolls a and b.
In this case, the cooling rolls a and b are thin-walled to improve heat removal, so the rolling load P
As shown in the figure, the center portions of the shells of the cooling rolls a and b are greatly recessed, resulting in a problem that the thickness of the metal strip f becomes uneven.
本発明は、以上に鑑み、冷却用ロールをその軸
線が垂直方向に傾斜して互にクロスするよう位置
させて幅方向板厚分布を制御できるようにした双
ロール式連続鋳造方法及びその装置を提供するた
めになしたものである。 In view of the above, the present invention provides a twin-roll continuous casting method and apparatus thereof, in which the cooling rolls are positioned so that their axes are vertically inclined and cross each other to control the thickness distribution in the width direction. This was done in order to provide.
以下本発明の実施例を図面により説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第３図及び第４図に示すように、水平に設置し
たハウジング１の内側に２本の冷却用ロール２，
３を配して各冷却用ロール２，３の軸端をハウジ
ング１の一方のウインドウ４内に軸箱６，７及び
他方のウインドウ５内の軸箱８，９で回転自在に
支持している。一方の冷却用ロール２側の両軸箱
６，８のうち、ウインドウ４側の軸箱６には、該
軸箱６を持上げるばね１０の弾発力に抗して該軸
箱６を押下げる油圧シリンダ１４を、又ウインド
ウ５側の軸箱８には、該軸箱８を押下げるばね１
１の弾発力に抗し該軸箱８を持上げる油圧シリン
ダ１５をそれぞれ設け、他方の冷却用ロール３側
の両軸箱７，９のうち、ウインドウ４側の軸箱７
には、該軸箱７を押下げるばね１２の弾発力に抗
して該軸箱７を持上げる油圧シリンダ１６を、又
ウインドウ５側の軸箱９には、該軸箱９を持上げ
るばね１３の弾発力に抗して該軸箱９を押げる油
圧シリダ１７をそれぞれ設け、各油圧シリンダ１
４，１５，１６，１７に対する油圧力を調節する
ことにより冷却用ロール２，３の軸線を互に反対
方向に傾動できるようにしている。 As shown in FIGS. 3 and 4, two cooling rolls 2 are installed inside the housing 1 installed horizontally.
3, and the shaft end of each cooling roll 2, 3 is rotatably supported by shaft boxes 6, 7 in one window 4 of the housing 1 and shaft boxes 8, 9 in the other window 5. . Of the two axle boxes 6 and 8 on one side of the cooling roll 2, the axle box 6 on the window 4 side pushes the axle box 6 against the elastic force of a spring 10 that lifts the axle box 6. A hydraulic cylinder 14 is attached to lower the axle box 8, and a spring 1 is attached to the axle box 8 on the window 5 side to push down the axle box 8.
Of the two axle boxes 7 and 9 on the other cooling roll 3 side, the axle box 7 on the window 4 side is provided with a hydraulic cylinder 15 that lifts the axle box 8 against the elastic force of
, a hydraulic cylinder 16 is installed to lift the axle box 7 against the elastic force of a spring 12 that pushes down the axle box 7, and a hydraulic cylinder 16 is installed on the axle box 9 on the window 5 side to lift the axle box 9. Hydraulic cylinders 17 for pushing the axle box 9 against the elastic force of the spring 13 are provided, and each hydraulic cylinder 1
The axes of the cooling rolls 2 and 3 can be tilted in opposite directions by adjusting the hydraulic pressure on the cooling rolls 4, 15, 16, and 17.
又各軸箱６，８，７，９に圧下スクリユー１８
の先端を当接して両冷却用ロール２，３を上方か
ら見るとその軸線が平行をなすように位置させる
と共に、両冷却用ロール２，３の間隙を調節し、
所要の駆動装置により冷却用ロール２，３を回転
させて冷却用ロール２，３間の溶鋼１９を外側か
ら順次凝固させながらロール間隙に向け移動させ
板状にして引き抜くようにしている。そして冷却
用ロール２，３出側の金属帯板２０の幅方向板厚
分布をセンサー２１で計測し、該センサー２１か
らの計測信号と設定信号２２を演算装置２３で比
較し、演算装置からの信号を制御装置２４に送つ
て各油圧シリンダ１４，１５，１６，１７に対す
る油圧を調節することにより、両冷却用ロール
２，３の軸線の傾斜角度θを適宜変更して幅方向
板厚分布を制御するようにしている。 In addition, there is a reduction screw 18 in each axle box 6, 8, 7, 9.
The tips of the cooling rolls 2 and 3 are brought into contact with each other so that their axes are parallel when viewed from above, and the gap between the cooling rolls 2 and 3 is adjusted;
The cooling rolls 2 and 3 are rotated by a necessary drive device, and the molten steel 19 between the cooling rolls 2 and 3 is sequentially solidified from the outside and moved toward the gap between the rolls to be drawn out into a plate shape. Then, the widthwise plate thickness distribution of the metal strip 20 on the exit side of the cooling rolls 2 and 3 is measured by the sensor 21, the measurement signal from the sensor 21 and the setting signal 22 are compared by the calculation device 23, and the measurement signal from the calculation device is compared. By sending a signal to the control device 24 and adjusting the oil pressure for each hydraulic cylinder 14, 15, 16, 17, the inclination angle θ of the axes of both cooling rolls 2, 3 is changed appropriately, and the thickness distribution in the width direction is adjusted. I try to control it.
上記構成であるから、鋳造中に圧延荷重により
冷却用ロール２，３に第２図に示したような凹み
変形が生じても、ロール間隙はロール軸線のロー
ル中央部でのクロスによりロール中央部で最も狭
く、両端に近づく程広くなつて幅方向板厚分布を
一定に制御できるから、均等な厚みの金属帯板を
生産できる。 With the above configuration, even if the cooling rolls 2 and 3 undergo concave deformation as shown in Fig. 2 due to rolling load during casting, the roll gap will be reduced to the center of the rolls due to the cross of the roll axes at the center of the rolls. It is narrowest at , and becomes wider as it approaches both ends, making it possible to control the thickness distribution in the width direction to a constant level, making it possible to produce metal strips of uniform thickness.
なお本発明は前記実施例に示したもののみに限
定されるものではなく、例えば油圧シリンダ１
４，１７のみ、あるいは１５，１６のみを作動さ
せてもよいこと、油圧シリンダ以外の傾動装置を
使用してもよいこと、ロードセルにより圧延荷重
を測定することによつてもロール出側板厚を計測
できること、その他本発明の要旨を逸脱しない範
囲において種々変更を加え実施できること、等は
勿論である。 Note that the present invention is not limited to only those shown in the above embodiments, and for example, the hydraulic cylinder 1
It is possible to operate only 4 and 17 or 15 and 16, it is possible to use a tilting device other than a hydraulic cylinder, and the thickness of the roll exit side can also be measured by measuring the rolling load with a load cell. It goes without saying that various changes can be made and implemented without departing from the gist of the present invention.
以上述べたように本発明によれば、幅方向板厚
分布を制御できるから均一な厚みの金属帯板を生
産できる、という優れた効果を奏し得る。 As described above, according to the present invention, it is possible to control the thickness distribution in the width direction, so it is possible to produce a metal strip having a uniform thickness, which is an excellent effect.
第１図は双ロール式連続鋳造の概要を示す略
図、第２図は従来方法により鋳造した場合の幅方
向板厚分布を示す説明図、第３図は本発明の実施
例を示す斜視図、第４図は本発明に使用する冷却
用ロール傾動装置の説明図である。
１……ハウジング、２，３……冷却用ロール、
６〜９……軸箱、１０〜１３……ばね、１４〜１
７……油圧シリンダ、１９……溶鋼、２０……金
属帯板、２１……センサー、２３……演算装置、
２４……制御装置。
Fig. 1 is a schematic diagram showing an overview of twin-roll continuous casting, Fig. 2 is an explanatory diagram showing the thickness distribution in the width direction when casting by a conventional method, and Fig. 3 is a perspective view showing an embodiment of the present invention. FIG. 4 is an explanatory diagram of a cooling roll tilting device used in the present invention. 1... Housing, 2, 3... Cooling roll,
6-9...Axle box, 10-13...Spring, 14-1
7... Hydraulic cylinder, 19... Molten steel, 20... Metal strip, 21... Sensor, 23... Arithmetic device,
24...control device.
Claims (1)
板引き抜き方向から見た際該軸線が互に平行な状
態となるよう位置して回転する２本の冷却用ロー
ル間に溶鋼を導きロール間〓から板状にして引き
抜くことを特徴とする双ロール式連続鋳造方法。 ２ 向い合つて回転する２本の冷却用ロール間に
溶鋼を導きロール間〓から板状にして引き抜く連
続鋳造装置において、両冷却用ロールの軸線を垂
直方向にクロスするよう互に反対方向に傾動させ
る傾動装置と、冷却用ロール出側の板厚を計測す
るセンサーと、該センサーからの信号と設定信号
を比較する演算装置と、該演算装置からの信号に
基づき前記傾動装置を制御する制御装置を備えた
ことを特徴とする双ロール式連続鋳造装置。[Claims] 1. Between two cooling rolls that rotate and are positioned so that their axes are vertically inclined, cross each other, and are parallel to each other when viewed from the sheet drawing direction. A twin-roll continuous casting method characterized by guiding molten steel into a plate and drawing it out from between the rolls. 2. In a continuous casting machine that introduces molten steel between two cooling rolls that rotate facing each other and draws it out from between the rolls in the form of a plate, the axes of both cooling rolls are tilted in opposite directions to cross each other in the vertical direction. a sensor that measures the plate thickness on the exit side of the cooling roll, a calculation device that compares a signal from the sensor with a setting signal, and a control device that controls the tilting device based on the signal from the calculation device. A twin-roll continuous casting device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13336983A JPS6024250A (en) | 1983-07-21 | 1983-07-21 | Twin roll type continuous casting method and its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13336983A JPS6024250A (en) | 1983-07-21 | 1983-07-21 | Twin roll type continuous casting method and its device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6024250A JPS6024250A (en) | 1985-02-06 |
| JPH0464774B2 true JPH0464774B2 (en) | 1992-10-16 |
Family
ID=15103112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13336983A Granted JPS6024250A (en) | 1983-07-21 | 1983-07-21 | Twin roll type continuous casting method and its device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6024250A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06102255B2 (en) * | 1988-02-27 | 1994-12-14 | 新日本製鐵株式会社 | Twin drum type continuous casting machine |
| JP2898292B2 (en) * | 1989-02-20 | 1999-05-31 | 新日本製鐵株式会社 | Metal ribbon continuous casting machine |
| EP1473100B1 (en) * | 1997-09-18 | 2012-10-31 | Castrip, LLC | Strip casting apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5376949A (en) * | 1976-12-20 | 1978-07-07 | Nippon Steel Corp | Steel plate continuous rolling equipment |
-
1983
- 1983-07-21 JP JP13336983A patent/JPS6024250A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5376949A (en) * | 1976-12-20 | 1978-07-07 | Nippon Steel Corp | Steel plate continuous rolling equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6024250A (en) | 1985-02-06 |
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