WO2006051977A1 - 双ロール式連続鋳造機及び双ロール式連続鋳造方法 - Google Patents
双ロール式連続鋳造機及び双ロール式連続鋳造方法 Download PDFInfo
- Publication number
- WO2006051977A1 WO2006051977A1 PCT/JP2005/020913 JP2005020913W WO2006051977A1 WO 2006051977 A1 WO2006051977 A1 WO 2006051977A1 JP 2005020913 W JP2005020913 W JP 2005020913W WO 2006051977 A1 WO2006051977 A1 WO 2006051977A1
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- WO
- WIPO (PCT)
- Prior art keywords
- roll
- rolls
- type continuous
- continuous forging
- pair
- Prior art date
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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
-
- 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
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
Definitions
- the present invention relates to a twin roll type continuous forging machine and a twin roll type continuous forging method, which are devised to greatly reduce the side weir wear and extend the life of the side weir.
- a continuous forging machine continuously pours molten steel that has been refined and directly manufactures pieces (slabs or strips).
- the continuous forging method using a continuous forging machine has good surface quality with less prejudice compared to the conventional ingot-making and ingot-making methods, and is suitable for producing steel sheet pieces.
- FIG. 8 shows a general example of a twin roll type continuous forging machine 010.
- this twin roll type continuous forging machine 010 a pair of rolls 011, 012 rotating in opposite directions are arranged close to each other in parallel at the same height position, and both ends in the axial direction of the rolls 011, 012 are ⁇ Ronole end face [Side to be crimped 013, 014 [Partition from here!] Molten steel 016 is supplied through a nozzle 015 to a movable saddle type internal space (a hot water pool portion) composed of the ronore 011, 012 and the side weirs 013, 014.
- FIG. 9 shows a twin-roll continuous forging machine disclosed in Japanese Patent Laid-Open No. 59-118249
- FIG. 10 is a view taken along the line AA in FIG. [0008]
- a moving bowl-shaped internal space consisting of the dams 14 and 1 5 becomes a pool. Molten steel 16 is supplied to this pool.
- step portions 10a and 10b are formed in a flange shape.
- stepped portions 1 la and 1 lb are formed in a flange shape.
- the molten steel 16 is cooled by contacting the surfaces of the rolls 10 and 11 (this surface includes the surfaces of the stepped portions 1 Oa, 10b, 11a, and ib), Solidified shells 17 and 18 are formed.
- the solidified shells 17 and 18 grow as the roll rotates.
- the gap between the stepped portion 10a and the stepped portion 11a and the smallest gap portion where the gap between the stepped portion 10b and the stepped portion ib is the smallest are formed on the outer periphery of the stepped portions 10a and 10b of the solidified shell 17.
- the step portions 10a, 10b and the step portions 11a, 11b having a narrow gap can be pressed at the ends of the solidified shells 17, 18, the rolls 10, Even if the gap between 11 is widened, the solidified shells 17 and 18 can be pressed in a bag-like shape, and the flange 17 drawn out of the rolls 10 and 11 remains in the molten state in the center, but the peripheral surface is It becomes a solidified state. Since the gap between the rolls 10 and 11 can be widened in this way, the thickness of the manufactured piece 19 can be increased. Thus, since the thickness of the piece 19 can be increased, the production amount of the piece can be increased and the production of steel plates of various thicknesses can be dealt with.
- Patent Document 1 Japanese Patent Application Laid-Open No. 59-118249
- Patent Document 2 Japanese Patent Laid-Open No. 2000-246399
- Patent Document 3 Japanese Patent Laid-Open No. 9-0295106
- Patent Document 4 Japanese Patent Laid-Open No. 2001-219247
- Patent Document 5 Japanese Patent Laid-Open No. 3-155438
- both the twin roll type continuous forging machine shown in FIG. 8 and the twin roll type continuous forging machine shown in FIGS. 9 and 10 are formed on the roll surface during the forging.
- the solidified shell is in contact with the side weir. Since the solidified shell moves as the roll moves, the side weir is worn by the moving solidified shell. For this reason, there was a problem that the life of the side weir was short. As side weir wear increases, liquid steel leaks, so if the wear progresses to some extent, it is necessary to replace the side weir. When replacing the side weir, forging must be stopped and productivity is reduced, so it is desirable to extend the life of the side weir as much as possible.
- FIG. 11 is an enlarged view showing the minimum gap portion in a plane in the twin-roll continuous forging machine shown in FIG. 8, and the end surface of the solidified shell 018 formed on the surface of the roll 011 and the roll 012
- the end surface force of the solidified shell 019 formed on the surface shows the state where the side weir 013 is worn.
- the surface of the side weir 013 that is to be crimped to the drums 011, 012 is initially flat and is worn by the 1S solidified shells 018, 019.
- 019 shows a state in which the part contacting the end is recessed.
- An object of the present invention is to provide a twin roll type continuous forging machine and a twin roll type continuous forging method capable of extending the life of the side weir in view of the above-described conventional technology.
- the configuration of the present invention that solves the above problem is to supply molten steel into a movable mold made up of a pair of rolls rotating in opposite directions and a pair of side weirs crimped to the end faces of the rolls.
- a twin-roll type continuous forging machine that draws out a piece formed by pressing the solidified shell solidified on the surface of each roll from the gap between the rolls,
- the circumferential surface of the roll makes a round in the circumferential direction at both ends with respect to the roll axial direction. It is characterized by applying heat insulating material to the part.
- the configuration of the present invention is to supply molten steel into a movable saddle mold composed of a pair of rolls rotating in opposite directions and a pair of side weirs pressed against the end surfaces of the rolls.
- a twin roll type continuous forging machine the piece formed by pressing the solidified shell solidified on the surface of the roll is pulled out from the gap between the rolls.
- a vaporizing material applying device for applying a vaporizing material is provided on both ends of the circumferential surface of the roll and in the circumferential direction.
- the configuration of the present invention supplies molten steel into a movable saddle mold composed of a pair of rolls rotating in opposite directions and a pair of side weirs pressed against the end surfaces of the rolls. Pull out from the gap between the rolls a piece formed by pressing the solidified shell solidified on the surface of the roll.
- the roll has a diameter at both ends along the roll axis direction larger than the diameter of the center portion of the roll, and the bending force is a double roll type continuous forging machine having step portions at both ends in the roll axis direction.
- a heat insulating material is applied to the peripheral surface of the step portion of the roll.
- the configuration of the present invention supplies molten steel into a movable saddle mold composed of a pair of rolls rotating in opposite directions and a pair of side weirs pressed against the end surfaces of the rolls. Pull out from the gap between the rolls a piece formed by pressing the solidified shell solidified on the surface of the roll.
- the roll has a diameter at both ends along the roll axis direction larger than the diameter of the center portion of the roll, and the bending force is a double roll type continuous forging machine having step portions at both ends in the roll axis direction.
- a vaporizing material applying device for applying a vaporizing material to the peripheral surface of the step portion of the roll is provided.
- the configuration of the present invention is characterized in that the heat insulating material is a ceramic coating, a metal, or a composite material.
- the heat insulating material is applied to the part (circumferential surface of the stepped part in the case of the concave type) that circulates in the circumferential direction at both ends with respect to the roll axis direction, heat removal does not proceed in this part.
- a solidified shell is not formed. For this reason, a gap is generated between the end face of the solidified shell and the side weir, and the side weir is not worn by the solidified shell, thereby extending the life of the side weir.
- the vaporizing material is applied to the portion of the circumferential surface of the roll that is rounded in the circumferential direction on both ends with respect to the roll axis direction (the circumferential surface of the step portion in the case of the concave roll). Therefore, when this part enters the molten steel, vaporized material bubbles are generated. In this part, heat removal does not proceed and a solidified shell is not formed. For this reason, a gap is formed between the end face of the solidified shell and the side weir, and the side weir is not worn by the solidified shell, thereby extending the life of the side weir.
- FIG. 1 (a) is an explanatory view showing various examples of concave rolls.
- FIG. 1 (b) is an explanatory view showing various examples of concave rolls.
- FIG. 1 (c) is an explanatory diagram showing various examples of concave rolls.
- FIG. 2 is a front view showing a twin-roll continuous forging machine according to Embodiment 1 of the present invention.
- FIG. 4 is a plan view showing a twin-roll continuous forging machine according to Embodiment 2 of the present invention.
- FIG. 5 is a front view showing a twin-roll continuous forging machine according to Embodiment 3 of the present invention.
- FIG. 6 is a plan view showing a twin-roll continuous forging machine according to Embodiment 3 of the present invention.
- FIG. 7 is a plan view showing a twin-roll continuous forging machine according to Embodiment 4 of the present invention.
- FIG. 8 is a configuration diagram showing a conventional twin-roll continuous forging machine.
- FIG. 9 is a configuration diagram showing a conventional twin-roll continuous forging machine.
- FIG. 10 is a view taken along the arrow A—A in FIG.
- FIG. 11 is an explanatory view showing a worn state of the side weir. Explanation of symbols
- the “concave roll” used in the embodiment of the present invention will be described first.
- the “concave roll” refers to “a roll that is larger than the diameter of the central portion of the diameter roll at both ends along the axial direction of the roll”.
- the roll R has stepped portions D at both ends, and as shown in Fig. 1 (b), both ends of the roll R are Tapered force and step
- the roll R has a drum shape with a diameter gradually decreasing toward the center in the axial direction, as shown in Fig. 1 (c), etc. There are rolls of various shapes.
- the solidified shell can be pressed into a bag-like shape, and the forged piece can be made thicker.
- FIG. 2 is a BB arrow view of Fig. 2.
- a pair of concave tools 101, 102 rotating in opposite directions are arranged close to each other in parallel at the same height position. Both ends of the concave rolls 101 and 102 in the axial direction are partitioned by side weirs 103 and 104 that are crimped to the roll end faces.
- the inside of a moving saddle type consisting of concave rolls 101, 102 and side weirs 103, 104 Molten steel 106 is supplied to the space (bath pool) through the nozzle 105.
- the concave roll 101 has step portions 101a and 101b with both ends of the roll expanding in a taper shape.
- the concave roll 102 has a taper at both ends of the roll, and the force is stepped 1
- the concave rolls 101 and 102 are arranged so that the step portion 101a and the step portion 102a are in contact with each other and the step portion 101b and the step portion 102b are in contact with each other in the minimum gap portion.
- the circumferential surfaces of the step portions 101a, 101b, 102a, 102b that is, of the circumferential surfaces of the concave rolls 101, 102, make one round in the circumferential direction on both ends in the roll axis direction (roll width direction)).
- Parts are provided with insulation (in Figure 3, hatched areas are drawn).
- ceramic coating is performed by spraying porous ceramic.
- the special technical feature of the present invention is that the peripheral surfaces of the step portions 101a, 101b, 102a, 102b are provided with a heat insulating material.
- the specific method for applying the heat insulating material is not only coating, but also fitting a ring-shaped heat insulating material, or forming the roll so that the material of the roll is the only heat insulating material. May be.
- Insulation coatings may also be applied as needed during filling.
- the molten steel 106 contacts the surface of the concave rolls 101 and 102 (this surface does not include the surfaces of the step portions 101a, 101b, 102a, and 102b).
- this surface does not include the surfaces of the step portions 101a, 101b, 102a, and 102b.
- the solidified shells 111 and 112 are formed.
- the solidified shells 111 and 112 grow as the roll rotates.
- the end portion of the solidified shell 111 and the end portion of the solidified shell 112 are pressed and integrated into the minimum gap portion where the gap between the concave roll 101 and the concave roll 102 is minimized.
- both ends of the solidified shell 111 and the solidified shell 112 are pressed and integrated, and the solidified shells 111 and 112 are joined in a bag binding shape as shown in FIG. 3, leaving the molten steel 106 at the center. It becomes a piece 113.
- the barb 113 in a state in which the solidified shells 111 and 112 are pressed in a bag-bound form at the minimum gap and the molten steel 106 is left in the center is pulled out from the concave rolls 101 and 102, and is transported and carried.
- the molten steel 106 in the central part is solidified by being cooled during the feeding.
- the molten steel 106 supplied to the movable bowl-shaped internal space (pouring pool portion) has the surface of the step portions 101a, 101b, 102a, 102b among the surfaces of the concave rolls 101, 102. Heat removal is promoted in the removed portions, and solidified shells 111 and 112 are obtained.
- the surface of the step portions 101a, 101b, 102a, 102b is provided with a heat insulating material, heat removal does not proceed on the step portion surface, and a solidified shell is not formed on the step portion surface.
- the solidified shell is not formed on the surfaces of the step portions 101a, 101b, 102a, 102b.
- a solidified shell is not formed.
- a gap is formed between the solidified shells 11 1 and 112 and the side weirs 103 and 104, and the solidified shells 111 and 112 do not contact the side weirs 103 and 104. . Therefore, the side weirs 103 and 104 are not worn by the contact of the solidified shells 111 and 112, and the life of the side weirs 103 and 104 is extended.
- the life of the side weirs 103 and 104 is extended, so that the productivity of forging is improved.
- the concave rolls 101 and 102 are arranged so that the step 101a and the step 102a are in contact with each other and the step 101b and the step 102b are in contact with each other, the concave roll 101 and the concave roll 102 are provided. Another advantage is that the gaps can be kept constant with high accuracy.
- Example 1 the heat insulating material is applied to the peripheral surfaces of the step portions 101a, 101b, 102a, 102b.
- Example 2 a heat insulating material is not applied to the peripheral surfaces of the step portions 101a, 101b, 102a, 102b.
- step 1Ola, 101b, 102a, 102b is equipped with vaporizer applicator 120, 121, 122, 123 for applying the vaporizer-like vaporizer.
- the vaporizing material for example, silicone or grease oil is used.
- a vaporized material generates a gas when heated by molten steel 106, and this gas creates a gap between the peripheral surface of the stepped portions 101a, 101b, 102a, 102b and the molten steel 106, and the stepped portion Prevents the formation of solidified shells on the circumference.
- this vaporizing material is in the form of a gel, when it is applied to the peripheral surface of the step portion, it does not flow to other parts. In FIG. 4, hatching is drawn on the portion where the vaporizing material is applied.
- the vaporizer applicator 120, 121, 122, and 123 are arranged at positions where the molten steel 106 can be brought into contact with the peripheral surfaces of the step portions 101a, 101b, 102a, and 102b in a position where there is no metal piece 113. It only has to be set.
- the vaporizing material applying device is not limited to the above-described coating type, and may be a spraying type.
- the molten steel 106 supplied to the movable bowl-shaped internal space excludes the surfaces of the step portions 101a, 101b, 102a, 102b from the surfaces of the concave rolls 101, 102. In the portion, heat removal is promoted to become solidified shells 111 and 112. However, on the surfaces of the step portions 101a, 101b, 102a, and 102b, the vaporized material is vaporized and bubbles are generated. Therefore, heat removal does not progress on the step portion surface, and a solidified shell is not formed on the step portion surface.
- the solidified shell is not formed on the surfaces of the step portions 101a, 101b, 102a, 102b.
- a solidified shell is not formed in the peripheral surfaces of the concave rolls 101, 102, at the portions on both ends with respect to the roll axis direction.
- a solidified shell is not formed.
- a gap is formed between the solidified shells 11 1 and 112 and the side weirs 103 and 104, and the solidified shells 111 and 112 do not come into contact with the side weirs 103 and 104. . Therefore, the side weirs 103 and 104 are not worn by the contact of the solidified shells 111 and 112, and the life of the side weirs 103 and 104 is extended.
- the life of the side weirs 103 and 104 is extended, so that the productivity of forging is improved.
- Example 1 Note that the same effect can be obtained by combining Example 1 and Example 2.
- Example 1 and Example 2 other types of concave rolls (see FIG. 1) can also be used.
- Example 3 In Example 1 and Example 2, other types of concave rolls (see FIG. 1) can also be used.
- Example 3 In Example 1 and Example 2, other types of concave rolls (see FIG. 1) can also be used.
- a twin-roll continuous forging machine 100A according to Embodiment 3 of the present invention will be described with reference to Fig. 6 which is a view taken along the arrow C in Fig. 5 and Fig. 5. Note that the same parts as those in the first embodiment are denoted by the same reference numerals and redundant description will be omitted, and different parts will be mainly described. [0047] In the twin roll type continuous forging machine 100A according to the third embodiment, flat rolls 101A and 102A are used as rolls (that is, a cylindrical shape without steps).
- Example 3 heat insulating material is applied to the circumferential surfaces of the rolls 101A and 102A on both ends in the roll axis direction and in a circumferential direction (in FIG. 6, the heat insulating material is used).
- the hatching is drawn on the given part).
- a ceramic coating is applied by spraying a porous ceramic.
- Insulation coatings may also be applied as needed during filling.
- the molten steel 106 is cooled by contacting the surfaces of the rolls 101A and 102A (this surface does not include the surface with the heat insulating material) and solidifies. Shenole 111, 112 force S formed. The solidified chenole grows as the rotore rotates until 111,112 ⁇ . Then, the solidified shell 111 and the solidified shell 112 are pressed and integrated together in the smallest gap portion where the gap between the roll 101A and the roll 102A is the smallest.
- the flange 113 formed by press-contacting the solidified shells 111 and 112 at the minimum gap is drawn out from the rolls 101A and 102A and conveyed.
- the molten steel 106 supplied to the movable saddle-type internal space has a heat removal effect on the portions of the surfaces of the rolls 101A and 102A excluding the surface to which the heat insulating material is applied. Promoted to become solidified shells 111, 112. However, heat insulation is applied to the circumferential surfaces of the rolls 101A and 102A on both ends with respect to the tool axis direction and around the circumferential direction. Is not formed.
- the solidified shell is not formed in the circumferential surfaces of the rolls 101A and 102A on the both end sides with respect to the roll axis direction and in the circumferential direction.
- a gap is formed between the solidified shells 111 and 112 and the side weirs 103 and 104, and the solidified shell 111 and 112 force S side weirs 103 and 104 do not come into contact with each other. Therefore, the side weir 103, 104 force S solidification shenori 111, 112 will not be worn by the insects, and the life of the side weir 103, 104 will be extended. As described above, the life of the side weirs 103 and 104 is extended, so that the productivity of forging is improved.
- heat insulating material is applied to the circumferential surfaces of the rolls 101A and 102A on both end sides with respect to the roll axis direction and in the circumferential direction. Insulate with heat insulation.
- Example 4 the vaporizing material applying device 120A, which applies a gel vaporizing material to both ends of the peripheral surfaces of the rolls 101A and 102A with respect to the roll axial direction and in the circumferential direction. 121A, 122A, 123A.
- vaporizing material for example, silicone or grease oil is used.
- vaporized material is molten steel 1
- Vaporizer applicator 120A, 121A, 122A, 123A is located at the position of molten steel 106 N
- Any position where there is no position 13 can be in contact with both ends of the roll peripheral surface.
- the vaporizing material applying device is not limited to the above-described coating type, and may be a spraying type.
- the molten steel 106 supplied to the inner space (pouring pool) of the movable saddle type is the portion of the surface of the rolls 101A and 102A excluding the portions on both ends with respect to the roll axis direction.
- Heat removal is promoted to become solidified shells 111 and 112.
- the vaporized material is vaporized and bubbles are generated at both ends of the roll axis direction! Is not formed.
- solidified shells are not formed in the portions on both ends of the surfaces of the rolls 101A and 102A with respect to the roll axis direction.
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/665,121 US20080169082A1 (en) | 2004-11-15 | 2005-11-15 | Twin-Roll Continuous Casting Machine And Twin-Roll Continuous Casting Method |
DE112005002733.3T DE112005002733B4 (de) | 2004-11-15 | 2005-11-15 | Zwillingswalzen-Gießwalzmaschine und Zwillingswalzen-Gießwalzverfahren |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004330098A JP4014593B2 (ja) | 2004-11-15 | 2004-11-15 | 双ロール式連続鋳造機及び双ロール式連続鋳造方法 |
JP2004-330098 | 2004-11-15 |
Publications (1)
Publication Number | Publication Date |
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WO2006051977A1 true WO2006051977A1 (ja) | 2006-05-18 |
Family
ID=36336642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/020913 WO2006051977A1 (ja) | 2004-11-15 | 2005-11-15 | 双ロール式連続鋳造機及び双ロール式連続鋳造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080169082A1 (ja) |
JP (1) | JP4014593B2 (ja) |
DE (1) | DE112005002733B4 (ja) |
WO (1) | WO2006051977A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5103916B2 (ja) | 2007-02-01 | 2012-12-19 | 株式会社Ihi | 双ロール鋳造機の操業方法及びサイド堰支持装置 |
JP4649452B2 (ja) * | 2007-08-21 | 2011-03-09 | 東西化学産業株式会社 | チューブフラムポンプ |
JP5255461B2 (ja) | 2009-01-09 | 2013-08-07 | 三菱日立製鉄機械株式会社 | 双ロール式連続鋳造装置 |
US20120103555A1 (en) * | 2010-11-01 | 2012-05-03 | Sears Jr James B | Ultra-thin slab or thick-strip casting |
JP2014104496A (ja) * | 2012-11-29 | 2014-06-09 | Mitsubishi-Hitachi Metals Machinery Inc | サイド堰及びこれを備えた双ドラム式連続鋳造機の運転方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07284883A (ja) * | 1994-04-13 | 1995-10-31 | Nippon Steel Corp | 双ドラム式連続鋳造機 |
JP2000237847A (ja) * | 1999-02-18 | 2000-09-05 | Nippon Steel Corp | サイド堰加熱温度制御方法及び装置 |
JP2001150106A (ja) * | 1999-11-25 | 2001-06-05 | Nippon Steel Corp | 双ドラム式連続鋳造機用サイド堰 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735797A (en) * | 1968-03-27 | 1973-05-29 | Foseco Int | Process and apparatus for die-casting of ferrous metals |
US4131152A (en) * | 1976-12-30 | 1978-12-26 | Foseco Trading Ag | Feeding unit for a casting |
JPS5938062B2 (ja) * | 1978-03-15 | 1984-09-13 | 日本碍子株式会社 | 金属の連続鋳造法 |
JPS59118249A (ja) * | 1982-12-22 | 1984-07-07 | Ishikawajima Harima Heavy Ind Co Ltd | 鋼板の連続鋳造方法 |
JPS59199150A (ja) * | 1983-04-28 | 1984-11-12 | Kawasaki Steel Corp | 薄鋳片連続鋳造機による薄鋳片の鋳造方法 |
JPS6245456A (ja) * | 1985-08-23 | 1987-02-27 | Ishikawajima Harima Heavy Ind Co Ltd | 双ロ−ル式連続鋳造機 |
FR2653693A1 (fr) * | 1989-10-27 | 1991-05-03 | Siderurgie Fse Inst Rech | Procede et dispositif de coulee continue de produits metalliques minces entre deux cylindres. |
MY113516A (en) * | 1995-09-05 | 2002-03-30 | Nippon Steel Corp | Thin cast strip formed of molten steel, process for its production, and cooling drum for thin cast strip continuous casting apparatus |
JP3076770B2 (ja) * | 1996-03-08 | 2000-08-14 | 新日本製鐵株式会社 | 薄肉鋳片の連続鋳造方法 |
JP2000246399A (ja) * | 1999-02-25 | 2000-09-12 | Nippon Steel Corp | 双ドラム式薄板連続鋳造装置用の冷却ドラム |
JP2001219247A (ja) * | 2000-02-07 | 2001-08-14 | Nippon Steel Corp | 薄帯連続鋳造用冷却ドラム |
-
2004
- 2004-11-15 JP JP2004330098A patent/JP4014593B2/ja not_active Expired - Fee Related
-
2005
- 2005-11-15 DE DE112005002733.3T patent/DE112005002733B4/de not_active Expired - Fee Related
- 2005-11-15 WO PCT/JP2005/020913 patent/WO2006051977A1/ja active Application Filing
- 2005-11-15 US US11/665,121 patent/US20080169082A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07284883A (ja) * | 1994-04-13 | 1995-10-31 | Nippon Steel Corp | 双ドラム式連続鋳造機 |
JP2000237847A (ja) * | 1999-02-18 | 2000-09-05 | Nippon Steel Corp | サイド堰加熱温度制御方法及び装置 |
JP2001150106A (ja) * | 1999-11-25 | 2001-06-05 | Nippon Steel Corp | 双ドラム式連続鋳造機用サイド堰 |
Also Published As
Publication number | Publication date |
---|---|
DE112005002733B4 (de) | 2015-11-19 |
JP2006136930A (ja) | 2006-06-01 |
JP4014593B2 (ja) | 2007-11-28 |
DE112005002733T5 (de) | 2007-09-27 |
US20080169082A1 (en) | 2008-07-17 |
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