JPH044062B2 - - Google Patents
Info
- Publication number
- JPH044062B2 JPH044062B2 JP61044036A JP4403686A JPH044062B2 JP H044062 B2 JPH044062 B2 JP H044062B2 JP 61044036 A JP61044036 A JP 61044036A JP 4403686 A JP4403686 A JP 4403686A JP H044062 B2 JPH044062 B2 JP H044062B2
- Authority
- JP
- Japan
- Prior art keywords
- fixed short
- short side
- refractory
- metal
- casting machine
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 56
- 239000000314 lubricant Substances 0.000 claims description 18
- 239000012809 cooling fluid Substances 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 11
- 238000009749 continuous casting Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000011819 refractory material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- MUBKMWFYVHYZAI-UHFFFAOYSA-N [Al].[Cu].[Zn] Chemical compound [Al].[Cu].[Zn] MUBKMWFYVHYZAI-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010959 steel Substances 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
- B22D11/066—Side dams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、鋼またはアルミニウム、銅、亜鉛等
の非鉄金属の薄鋳片を連続鋳造する分野に関する
ものであり、とくに薄鋳片を連続鋳造する際に用
いる固定短辺の構造に関するものである。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to the field of continuous casting of thin cast slabs of steel or non-ferrous metals such as aluminum, copper, zinc, etc. This relates to the structure of the fixed short side used when
（従来の技術）
従来、薄鋳片の連続鋳造機の一例としては、第
５図に示すように、ガイドロール３３を介して回
転する一対の金属ベルト１とこの金属ベルトの端
部に設けられた先細り形状の一対の固定短辺４，
５とで鋳造空間を形成する連続鋳造機を使用して
いるこの連続鋳造機では鋳片を円滑に引き抜ける
ように、固定短辺側の凝固シエルの成長を金属ベ
ルト側の凝固シエルの成長よりも遅らせなければ
ならない。そのために固定短辺の溶湯と接する面
は、第７図に示すように耐火材１０で覆われてい
る。(Prior Art) Conventionally, as shown in FIG. 5, an example of a continuous casting machine for thin slabs includes a pair of metal belts 1 rotating via guide rolls 33 and a metal belt provided at the end of the metal belt. A pair of fixed short sides 4 with a tapered shape,
In this continuous casting machine, the growth of the solidified shell on the fixed short side is faster than the growth of the solidified shell on the metal belt side so that the slab can be pulled out smoothly. Must be delayed. For this purpose, the surface of the fixed short side that comes into contact with the molten metal is covered with a refractory material 10, as shown in FIG.
また、第６図に示す一対のロール９と一対の固
定短辺４，５で構成される薄鋳片連続鋳造機にお
いても、同様の理由で固定短辺側の凝固シエルの
成長をロール側の凝固シエルの成長よりも遅らせ
るために、第８図に示すように耐火材１０で覆つ
ている。 Also, in the thin slab continuous casting machine shown in Fig. 6, which is composed of a pair of rolls 9 and a pair of fixed short sides 4 and 5, the growth of the solidified shell on the fixed short side side is suppressed on the roll side for the same reason. In order to slow down the growth of the solidified shell, it is covered with a refractory material 10 as shown in FIG.
さらに、特開昭58−218349号公報では、銅等の
摺動性に優れた摺動板を固定短辺と金属ベルトと
の摺動面に設けることが提案されている。 Further, JP-A-58-218349 proposes providing a sliding plate made of copper or the like with excellent sliding properties on the sliding surface between the fixed short side and the metal belt.
（発明が解決しようとする問題点）
しかし、第７図および第８図に示す固定短辺
は、金属ベルトやロールと接する摺動面１１に断
熱性の耐火材が露出している構造となつている。
この断熱性耐火材は一般的に脆いために、金属ベ
ルトやロールと接触する摺動面が摩耗し易い。こ
のために、断熱性耐火材と金属ベルトかあるいは
ロールとの間に隙間が生じて、この隙間に溶融金
属が差し込み鋳片の形状を損うばかりでなく、甚
しい場合は差し込んで凝固した金属片により引き
抜き抵抗が大きくなり鋳造が不可能となる。さら
に、固定短辺の断熱性耐火物と金属ベルトあるい
はロール間の摩擦抵抗が大きいため、金属ベルト
やロールが摩耗・損傷し易いという問題がある。(Problems to be Solved by the Invention) However, the fixed short sides shown in FIGS. 7 and 8 have a structure in which the heat-insulating refractory material is exposed on the sliding surface 11 that contacts the metal belt or roll. ing.
Since this heat-insulating refractory material is generally brittle, the sliding surface that comes into contact with the metal belt or roll is likely to wear out. As a result, a gap is created between the heat insulating refractory material and the metal belt or roll, and molten metal is inserted into this gap, damaging the shape of the slab, and in extreme cases, the molten metal may be inserted and solidified. The pieces increase the pull-out resistance and make casting impossible. Furthermore, since the frictional resistance between the heat insulating refractory on the fixed short side and the metal belt or roll is large, there is a problem that the metal belt or roll is easily worn out or damaged.
また、特開昭58−218349号公報で提案されてい
る固定短辺は、該固定短辺と金属ベルト間の摩擦
抵抗が小さくなり、前述したような問題点はなく
なるものの固定短辺に取り付けた摺動板が熱変形
しやすいという問題が生じる。 In addition, the fixed short side proposed in JP-A No. 58-218349 reduces the frictional resistance between the fixed short side and the metal belt, eliminating the above-mentioned problems, but it is difficult to attach the fixed short side to the fixed short side. A problem arises in that the sliding plate is easily deformed by heat.
本発明は、固定短辺と金属ベルトあるいはロー
ルとの摺動特性に優れ、固定短辺および金属ベル
トが摩耗・損傷したことにより生じる問題を解決
するとともに、固定短辺に取り付けた摺動板の熱
変形により生じる問題を解決し得る薄鋳片連続鋳
造機の固定短辺を提供することを目的とする。 The present invention has excellent sliding characteristics between the fixed short side and the metal belt or roll, and solves problems caused by wear and damage of the fixed short side and the metal belt. It is an object of the present invention to provide a fixed short side for a thin slab continuous casting machine that can solve problems caused by thermal deformation.
（問題点を解決するための手段）
第１図に金属ベルトを用いた場合の薄鋳片連続
鋳造機用の固定短辺の全体図を、第２図にロール
を用いた場合の薄鋳片連続鋳造機用の固定短辺の
全体図を、また第３図に断熱性耐火物を含む部位
の固定短辺の断面構造を示す。本発明は、固定短
辺の断熱性耐火物２０が金属ベルトまたはロール
と接触する面、即ち溶融金属と接触する面１０に
対して直角な面を金属で覆うべく断熱性耐火物包
囲金枠１４を設けた固定短辺において、第３図に
示すように前記断熱性耐火物包囲金枠１４の上記
金属ベルトまたはロールと接する側、すなわち摺
動面１１側でかつ、鋳造空間内に最も近接する領
域の内部に冷却流体流通孔１７を設け、この冷却
流体流通孔１７に隣接する領域には耐火物包囲金
枠１４と金属ベルトまたはロールとの間にこれら
の摩擦を緩和する潤滑剤剤を供給する潤滑材排出
孔１５を設けることを特徴とするものである。ま
た、上記のように摺動面１１に潤滑剤排出孔１５
を設ける代りに第４図に示すように、潤滑剤を供
給するための溝１９を設けてもよい。(Means for solving the problem) Fig. 1 shows an overall view of the fixed short side of a thin cast slab continuous casting machine when a metal belt is used, and Fig. 2 shows a thin cast slab when a roll is used. An overall view of the fixed short side for a continuous casting machine is shown, and FIG. 3 shows a cross-sectional structure of the fixed short side of a portion containing a heat-insulating refractory. The present invention provides an insulating refractory surrounding metal frame 14 in order to cover with metal the surface of the fixed short side insulating refractory 20 that contacts the metal belt or roll, that is, the surface perpendicular to the surface 10 that contacts molten metal. As shown in FIG. 3, the fixed short side is the side of the heat-insulating refractory surrounding metal frame 14 that contacts the metal belt or roll, that is, the sliding surface 11 side, and is closest to the casting space. A cooling fluid circulation hole 17 is provided inside the area, and a lubricant for reducing friction between the refractory surrounding metal frame 14 and the metal belt or roll is supplied to the area adjacent to the cooling fluid circulation hole 17. This is characterized by the provision of a lubricant discharge hole 15 for discharging the lubricant. In addition, as described above, the lubricant discharge hole 15 is provided on the sliding surface 11.
Instead of providing a groove 19 for supplying lubricant, as shown in FIG. 4, a groove 19 may be provided.
（作 用）
本発明の薄鋳片連続鋳造機の固定短辺と金属ベ
ルトを用いた場合について述べる。(Function) A case will be described in which the fixed short side and metal belt of the thin slab continuous casting machine of the present invention are used.
第３図に示すように断熱性耐火物２０が金属ベ
ルトと接する面、即ち摺動面１１を断熱性耐火物
包囲金枠１４で覆つているが、この断熱性耐火物
包囲金枠１４の鋳造空間に最も近接する領域の内
部に冷却流体流通孔１７を設けて断熱性耐火物包
囲金枠１４を冷却しているので、金枠が変形して
ベルトとの摺動面のギヤツプが変化し溶融金属が
差し込むという問題が生じることがない。また、
第３図に示す潤滑剤供給流通孔１８中のグリース
等の潤滑剤は潤滑剤排出孔１５から摺動面１１に
排出されるので、金属ベルトと固定短辺間の摩擦
低抗がさらに小さくなり、固定短辺および金属ベ
ルトの摩耗が減少する。 As shown in FIG. 3, the surface of the heat-insulating refractory 20 in contact with the metal belt, that is, the sliding surface 11, is covered with a heat-insulating refractory surrounding metal frame 14. This heat-insulating refractory surrounding metal frame 14 is cast. Since cooling fluid circulation holes 17 are provided inside the area closest to the space to cool the insulating refractory surrounding metal frame 14, the metal frame deforms and the gap between the sliding surface with the belt changes and melting occurs. There is no problem of metal being inserted. Also,
Since the lubricant such as grease in the lubricant supply hole 18 shown in FIG. 3 is discharged from the lubricant discharge hole 15 to the sliding surface 11, the friction resistance between the metal belt and the fixed short side is further reduced. , fixed short side and metal belt wear are reduced.
次に、本発明の薄鋳片連続鋳造機の固定短辺で
ロール用の場合について述べる。 Next, a case will be described in which the thin slab continuous casting machine of the present invention is used for rolls with a fixed short side.
ロール用の固定短辺の場合も金属ベルト用の固
定短辺と同様な構造をしており、固定短辺の断熱
性耐火物を含む部位の断面構造は第３図に示すよ
うな構造となる。このロール用固定短辺に設けた
冷却流体流通孔による冷却効果は金属ベルトを対
象とした固定短辺の場合と同様である。また、潤
滑剤供給流通孔１８の潤滑剤排出孔１５から第２
図に示す摺動面１１に排出されるので、ロールお
よび固定短辺間の摩擦抵抗が減少して固定短辺お
よびロールの摩耗が減少する。 The fixed short side for rolls has the same structure as the fixed short side for metal belts, and the cross-sectional structure of the portion of the fixed short side that includes the heat-insulating refractory is as shown in Figure 3. . The cooling effect of the cooling fluid flow holes provided on the fixed short side for the roll is similar to that of the fixed short side for a metal belt. In addition, a second
Since it is discharged onto the sliding surface 11 shown in the figure, the frictional resistance between the roll and the fixed short side is reduced, and wear of the fixed short side and the roll is reduced.
以上述べた例は潤滑剤を潤滑剤排出孔から摺動
面に供給する例であるが、第４図に示すような溝
１９を設けた場合においても同様な作用を発揮す
る。 Although the above-described example is an example in which lubricant is supplied to the sliding surface from the lubricant discharge hole, the same effect can be achieved even when grooves 19 as shown in FIG. 4 are provided.
（実施例）
第５図に示す金属ベルトを使用した薄鋳片連続
鋳造機の固定短辺の代りに第１図に示す固定短辺
を用い、潤滑剤としてグリースを使用して、厚み
30mm、幅1230mmの鋳片を鋳造した。この際、冷却
流体として水を用い、冷却流体流通孔に50／分
の水を通した。この結果、固定短辺の断熱性耐火
物包囲金枠に熱変形が生じることはなかつた。ま
た、固定短辺および金属ベルトの摩耗が少ないた
めに、それらの寿命は従来の３〜５倍程度延び
た。(Example) Using the fixed short side shown in Fig. 1 instead of the fixed short side of the thin slab continuous casting machine using the metal belt shown in Fig. 5, and using grease as a lubricant, the thickness
A slab of 30 mm and width 1230 mm was cast. At this time, water was used as the cooling fluid, and water was passed through the cooling fluid flow holes at a rate of 50/min. As a result, thermal deformation did not occur in the heat-insulating refractory surrounding metal frame on the fixed short side. In addition, because the fixed short side and the metal belt have less wear, their lifespan has been extended by about 3 to 5 times compared to conventional ones.
また、第６図に示す双ロール式の薄鋳片連続鋳
造機の固定短辺として第２図に示す固定短辺を用
い、潤滑剤としてグリースを、また冷却流体とし
て水を用いて、厚み15mm、幅78mmの鋳片を鋳造し
た。この際、冷却流体流通孔に35／分の水を通
した。この結果、固定短辺の断熱性耐火物包囲金
枠には、熱変形が生じなかつた。また、固定短辺
および金属ベルトの摩耗も少なく、それらの寿命
は従来の３〜５倍程度延びた。 In addition, using the fixed short side shown in Figure 2 as the fixed short side of the twin-roll continuous thin slab casting machine shown in Figure 6, and using grease as the lubricant and water as the cooling fluid, a thickness of 15 mm was used. , a slab with a width of 78 mm was cast. At this time, water was passed through the cooling fluid flow holes at 35 min. As a result, no thermal deformation occurred in the fixed short-side heat-insulating refractory surrounding metal frame. In addition, there was less wear on the fixed short sides and the metal belt, and their lifespan was extended by about 3 to 5 times compared to the conventional one.
（発明の効果）
以上説明したように本発明の固定短辺の断熱性
耐火物包囲金枠を冷却流体により冷却できる構造
としたので、金枠の熱変形による溶融金属の差し
込みという問題も起こらず、固定短辺の寿命も大
幅に延びる。また、固定短辺と金属ベルトまたは
ロールとが接触する摺動面に潤滑剤を供給できる
ので、固定短辺、金属ベルト、ロールの寿命も大
幅に延びる。(Effects of the Invention) As explained above, since the fixed short side insulating refractory surrounding metal frame of the present invention has a structure that can be cooled by cooling fluid, there is no problem of molten metal being inserted due to thermal deformation of the metal frame. , the life of the fixed short side is also significantly extended. Furthermore, since lubricant can be supplied to the sliding surface where the fixed short side and the metal belt or roll come into contact, the life of the fixed short side, the metal belt, and the roll can be significantly extended.
第１図は本発明の薄鋳片連続鋳造機の固定短辺
で、金属ベルト用固定短辺であり、第２図は本発
明のロール用固定短辺であり、第３図は第１図お
よび第２図の断熱性耐火物を含む部位の横断面図
であり、第４図は潤滑剤を供給するための溝を固
定短辺に設けた本発明の他の実施例を示す図であ
り、第５図は金属ベルトを用いる薄鋳片連続鋳造
機を示す図であり、第６図はロールを用いる薄鋳
片連続鋳造機を示す図、第７図はベルトを用いた
薄鋳片連続鋳造機用の固定短辺を示す図であり、
第８図はロールを用いた薄鋳片連続鋳造機用の固
定短辺を示す図である。
１，２…金属ベルト、３…ガイドロール、４，
５…固定短辺、６…注入ノズル、７…鋳片、８…
ベルト支持金枠、９…ロール、１０…耐火物―溶
融金属接触面、１１…摺動面、１２…金属壁面、
１３…耐火物支持金枠、１４…断熱性耐火物包囲
金枠、１５…潤滑剤排出孔、１６…金枠―溶融金
属接触面、１７…冷却流体流通孔、１８…潤滑剤
流通孔、１９…潤滑剤溝、２０…断熱性耐火物。
Fig. 1 shows the fixed short side of the thin slab continuous casting machine of the present invention, which is the fixed short side for the metal belt, Fig. 2 shows the fixed short side for the roll of the present invention, and Fig. 3 shows the fixed short side for the metal belt. and FIG. 2 is a cross-sectional view of a portion including the heat-insulating refractory material in FIG. 2, and FIG. 4 is a diagram showing another embodiment of the present invention in which a groove for supplying lubricant is provided on the fixed short side. , Figure 5 is a diagram showing a continuous thin slab casting machine using a metal belt, Figure 6 is a diagram showing a continuous thin slab casting machine using rolls, and Figure 7 is a diagram showing a continuous thin slab casting machine using a belt. FIG. 3 is a diagram showing a fixed short side for a casting machine;
FIG. 8 is a diagram showing a fixed short side for a thin slab continuous casting machine using rolls. 1, 2...metal belt, 3...guide roll, 4,
5...Fixed short side, 6...Injection nozzle, 7...Slab, 8...
Belt support frame, 9... Roll, 10... Refractory-molten metal contact surface, 11... Sliding surface, 12... Metal wall surface,
13... Refractory support frame, 14... Insulating refractory surrounding frame, 15... Lubricant discharge hole, 16... Metal frame-molten metal contact surface, 17... Cooling fluid distribution hole, 18... Lubricant distribution hole, 19 ...Lubricant groove, 20...Insulating refractory.
Claims (1)
の両側端部にてそれぞれ挟持される先細り形状の
断熱性耐火物からなる一対の固定短辺とを組み合
わせて鋳造空間を形成してなる薄鋳片連続鋳造機
において、 上記固定短辺の背面及び上記回転体と接する面
を取り囲む耐火物包囲金枠を設け、この耐火物包
囲金枠の上記回転体に接する側でかつ、鋳造空間
に最も近接する領域の内部に冷却流体流通孔を設
け、この冷却流体流通孔に隣接する領域には耐火
物包囲金枠と回転体との間の摩擦抵抗を小さくす
る潤滑剤を供給するための孔または溝を設けたこ
とを特徴とする薄鋳片連続鋳造機。[Claims] 1. A casting space is created by combining a pair of rotating bodies arranged opposite to each other and a pair of fixed short sides made of a tapered heat-insulating refractory sandwiched at both ends of the rotating bodies. In a continuous thin slab casting machine, a refractory enclosing frame is provided that surrounds the back surface of the fixed short side and a surface in contact with the rotating body, and a refractory enclosing frame is provided on the side of the refractory enclosing frame that contacts the rotating body. In addition, a cooling fluid circulation hole is provided inside the region closest to the casting space, and a lubricant is applied to the region adjacent to the cooling fluid circulation hole to reduce the frictional resistance between the refractory surrounding metal frame and the rotating body. A continuous thin slab casting machine characterized by having holes or grooves for feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4403686A JPS62203644A (en) | 1986-03-03 | 1986-03-03 | Thin casting slab continuous caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4403686A JPS62203644A (en) | 1986-03-03 | 1986-03-03 | Thin casting slab continuous caster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62203644A JPS62203644A (en) | 1987-09-08 |
| JPH044062B2 true JPH044062B2 (en) | 1992-01-27 |
Family
ID=12680398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4403686A Granted JPS62203644A (en) | 1986-03-03 | 1986-03-03 | Thin casting slab continuous caster |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62203644A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01273653A (en) * | 1988-04-27 | 1989-11-01 | Nippon Steel Corp | Method for lubricating end part of twin drum type continuous casting machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58218353A (en) * | 1982-06-12 | 1983-12-19 | Kawasaki Steel Corp | Stationary side plate of continuous casting device of thin steel plate |
| JPS59189047A (en) * | 1983-04-12 | 1984-10-26 | Kawasaki Steel Corp | Casting mold for continuous casting machine for thin walled billet which permits change in width of billet during casting |
| JPS6021157A (en) * | 1983-07-15 | 1985-02-02 | Nisshin Steel Co Ltd | Continuous casting device for thin plate |
-
1986
- 1986-03-03 JP JP4403686A patent/JPS62203644A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58218353A (en) * | 1982-06-12 | 1983-12-19 | Kawasaki Steel Corp | Stationary side plate of continuous casting device of thin steel plate |
| JPS59189047A (en) * | 1983-04-12 | 1984-10-26 | Kawasaki Steel Corp | Casting mold for continuous casting machine for thin walled billet which permits change in width of billet during casting |
| JPS6021157A (en) * | 1983-07-15 | 1985-02-02 | Nisshin Steel Co Ltd | Continuous casting device for thin plate |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62203644A (en) | 1987-09-08 |
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