WO2012008030A1 - 圧延機及びそれを備えたタンデム圧延設備 - Google Patents
圧延機及びそれを備えたタンデム圧延設備 Download PDFInfo
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- WO2012008030A1 WO2012008030A1 PCT/JP2010/061935 JP2010061935W WO2012008030A1 WO 2012008030 A1 WO2012008030 A1 WO 2012008030A1 JP 2010061935 W JP2010061935 W JP 2010061935W WO 2012008030 A1 WO2012008030 A1 WO 2012008030A1
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- Prior art keywords
- roll
- rolls
- pair
- rolled material
- rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
- B21B13/147—Cluster mills, e.g. Sendzimir mills, Rohn mills, i.e. each work roll being supported by two rolls only arranged symmetrically with respect to the plane passing through the working rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/021—Rolls for sheets or strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/06—Width
Definitions
- the present invention relates to a rolling mill capable of appropriately reducing the diameter of a work roll and efficiently rolling a hard material, and a tandem rolling facility equipped with the rolling mill.
- the bending rigidity of the roll itself is lowered, so that the horizontal deflection of the work roll becomes a problem. Then, the rolling mill which suppressed the horizontal bending of the work roll by providing the support roll which supports a work roll from a horizontal direction is provided.
- a work roll having an extremely small diameter such as 1 is employed.
- the work roll diameter is too small, and the bending rigidity of the roll itself is further reduced, so the roll shoulder of the intermediate roll is shifted within the plate width of the rolled material. Otherwise, the plate shape of the rolled material will not be flat easily.
- the roll shoulder shape of the intermediate roll when the difference in rolling load due to the change in material or the plate width changes. Must be changed in order to flatten the plate shape of the rolled material. Thereby, there existed a possibility of receiving restrictions on rolling operation.
- the present invention solves the above-described problem, and provides a rolling mill capable of efficiently rolling a hard rolled material by appropriately reducing the diameter of a work roll and a tandem rolling facility including the rolling mill. For the purpose.
- the rolling mill according to the first invention for solving the above-mentioned problems is as follows.
- the pair of upper and lower work rolls are supported from above and below, and are supported so as to be movable in the roll axis direction, and are tapered at the upper and lower roll ends that are symmetrical with respect to the sheet width center of the rolled material.
- a pair of upper and lower intermediate rolls having A pair of upper and lower reinforcing rolls for supporting the pair of upper and lower intermediate rolls from above and below, A pair of upper and lower support rolls for supporting the pair of upper and lower work rolls from at least one side of the transport direction entrance side and the transport direction exit side of the rolled material;
- a rolling mill according to a second invention that solves the above problems is as follows. During the rolling, the pair of upper and lower intermediate rolls are moved in the roll axis direction.
- a rolling mill according to a third invention for solving the above-described problem is
- the work roll is formed of a cemented carbide or ceramics.
- a rolling mill according to a fourth invention for solving the above-mentioned problem is as follows.
- the pair of upper and lower work rolls are supported so as to be movable in the roll axis direction, and have tapered tapered portions at upper and lower roll ends that are point-symmetric with respect to the sheet width center of the rolled material. .
- a rolling mill according to a fifth invention for solving the above-described problem is On the exit side in the conveyance direction of the rolled material in the pair of upper and lower work rolls, provided with a plate thickness measuring means for measuring the thickness of the end of the rolled material, The pair of upper and lower work rolls are moved in the roll axis direction in accordance with the thickness of the rolled material measured by the thickness measuring means, and the position of the roll shoulder that is the starting point of the tapered portion is controlled.
- tandem rolling equipment according to the sixth invention for solving the above-mentioned problems is as follows.
- At least one rolling mill according to any one of the first to fifth inventions is provided.
- the rolling mill and the tandem rolling equipment according to the present invention by appropriately reducing the diameter of the work roll, spaces can be formed on the operation side and the drive side of the work roll, so that the thrust capacity is large.
- a work roll thrust bearing may be provided.
- the intermediate roll can be moved in the roll axis direction according to the plate width of the rolled material without stopping the rolling mill. Yield and productivity can be improved.
- the plate shape of the rolled material can be improved without changing the roll shoulder shape of the intermediate roll, so that the hard rolled material can be efficiently rolled. Can do.
- FIG. 2 is a cross-sectional view taken along the line II-II in FIG.
- FIG. 3 is a cross-sectional view taken along arrow III-III in FIG. 1.
- FIG. 4 is a sectional view taken along arrow IV-IV in FIG. 2.
- (A)-(e) is the figure which showed the relationship between the plate width and plate shape of a rolling material according to each work roll diameter. It is the figure which showed the relationship between the work roll diameter when making board width constant, and board edge part shape.
- (A) is the figure which showed plate shape calculation conditions
- (b) is the figure which showed the shift operation
- FIG. 9 is a cross-sectional view taken along arrow IX-IX in FIG. 8. It is the figure which showed the installation position of the plate thickness measuring device. It is the figure which showed the shift operation
- the six-high rolling mill 11 has a pair of housings 21a and 21b on the left and right sides (drive side and operation side).
- a pair of upper and lower work rolls 22, an intermediate roll 23 and a reinforcing roll 24 are rotatably supported in the housings 21 a and 21 b, and the pair of upper and lower work rolls 22 are respectively attached to the pair of upper and lower intermediate rolls 23.
- the pair of upper and lower intermediate rolls 23 are contacted and supported by a pair of upper and lower reinforcing rolls 24, respectively.
- the rolling material 1 which is the hard material conveyed between the housings 21a and 21b is rolled by passing between the work rolls 22a and 22b.
- the upper reinforcing roll 24 is rotatably supported by bearing housings 25a and 25b.
- the bearing housings 25a and 25b are supported by housings 21a and 21b via pass line adjusting devices 26a and 26b. Yes. Therefore, the pass line of the rolling material 1 can be adjusted in the vertical direction by driving the pass line adjusting devices 26a and 26b.
- the pass line adjusting devices 26a and 26b are composed of a worm jack, a tapered wedge, a stepped rocker plate, or the like.
- a load cell is built in the pass line adjusting devices 26a and 26 to measure the rolling load. You may make it.
- the lower reinforcing roll 24 is rotatably supported by bearing housings 25c and 25d.
- the bearing housings 25c and 25d are supported by the housings 21a and 21b via the hydraulic cylinders 27a and 27b for reduction. ing. Therefore, by driving the reduction hydraulic cylinders 27a and 27b and indirectly transmitting the reduction load to the pair of upper and lower work rolls 22 via the pair of upper and lower reinforcing rolls 24 and the pair of upper and lower intermediate rolls 23, The rolled material 1 can be rolled.
- the pair of upper and lower work rolls 22 are formed at a cylindrical roll body 22 a for rolling the rolled material 1 and at both ends of the roll body 22 a. And a roll neck portion 22b.
- the roll neck portion 22b of the work roll 22 is rotatably supported by bearings 31a, 31b, 31c, and 31d provided in the housings 21a and 21b, and the bearings 31a, 31b, 31c, and 31d are bent. Cylinders 32a, 32b, 32c, and 33d are provided.
- the bending cylinders 32a, 32b, 32c, and 33d are disposed on both radial sides of the roll neck portion 22b of the bearings 31a, 31b, 31c, and 31d, and can press the bearings 31a, 31b, 31c, and 31d. Yes. Therefore, by bending rollers 32a, 32b, 32c, and 32d and pressing bearings 31a, 31b, 31c, and 31d, roll bending can be applied to work roll 22, so the work roll 22 is bent. Can be controlled.
- the work roll 22 is supported by thrust bearings 33a and 33b on the end faces of the operation-side and drive-side roll neck portions 22a.
- the thrust bearings 33a and 33b dedicated to the thrust load are provided.
- the thrust load and the radial load bearings 31a, 31b, 31c, and 31d can sufficiently cope with the thrust force of the work roll 22, and in such a case, the thrust bearings 33a and 33b can be omitted.
- the bearings 31a, 31b, 31c, 31d and the bending cylinders 32a, 32b, 32c, 32d are provided to impart roll bending to the work roll 22, but these are omitted and configured. This may be simplified.
- the roll body portion 22 a comes into contact with the support rolls 41 a and 41 b from the entrance side and the exit side in the transport direction of the rolled material 1, respectively. It is supported. And the support rolls 41a and 41b are respectively contact-supported by the divided bearing shafts 42a, 42b, 43a, and 43b from the conveyance direction entrance side and the conveyance direction exit side of the rolled material 1, and these division bearing shafts 42a and 42b. , 43a and 43b are rotatably supported by support beams 44a and 44b, respectively.
- guide members 45a and 45b and support frames 47a and 47b are provided between the housings 21a and 21b.
- Support beams 44a and 44b are supported in the guide members 45a and 45b so as to be slidable in the conveying direction of the rolled material 1, and a plurality of hydraulic cylinders 46a and 46b are provided in the support frames 47a and 47b.
- the support rolls 41a and 41b are provided at predetermined intervals in the roll axis direction (the sheet width direction of the rolled material 1).
- the hydraulic cylinders 46a and 46b can press the end surfaces of the support beams 44a and 44b.
- the roll body 22 a is contact-supported by support rolls 41 c and 41 d from the entry side and the delivery direction exit side of the rolled material 1, respectively.
- the support rolls 41c and 41d are contact-supported by the division bearing shafts 42c, 42d, 43c, and 43d from the conveyance direction entrance side and the conveyance direction exit side of the rolled material 1, respectively, and these division bearing shafts 42c and 42d.
- 43c and 43d are rotatably supported by support beams 44c and 44d, respectively.
- guide members 45c and 45d and support frames 47c and 47d are provided between the housings 21a and 21b.
- Support beams 44c and 44d are supported in the guide members 45c and 45d so as to be slidable in the conveying direction of the rolling material 1, and a plurality of hydraulic cylinders 46c and 46d are provided in the support frames 47c and 47d.
- the support rolls 41c and 41d are provided at predetermined intervals in the roll axis direction (the sheet width direction of the rolled material 1).
- the hydraulic cylinders 46c and 46d can press the end surfaces of the support beams 44c and 44d.
- the hydraulic cylinders 46a, 46b, 46c, 46d are driven and the support beams 44a, 44b, 44c, 44d are pressed, so that the divided bearing shafts 42a, 42b, 42c, 42d, 43a, 43b, 43c, 43d are interposed.
- the support rolls 41a, 41b, 41c, and 41d can be pressed.
- the roll body 22a of the work roll 22 can be pressed and supported from the horizontal direction by the support rolls 41a, 41b, 41c, and 41d, so that horizontal deflection of the work roll 22 can be suppressed.
- the rolling material 1 having a plate width B of 1600 mm will be rolled using five types of work rolls 22 having a work roll diameter D of ⁇ 140 mm, ⁇ 170 mm, ⁇ 200 mm, ⁇ 250 mm, and ⁇ 300 mm.
- a work roll diameter D ⁇ 140 mm, ⁇ 170 mm, ⁇ 200 mm, ⁇ 250 mm, and ⁇ 300 mm.
- the relationship between the plate width B (1600 mm) of the rolled material 1 and its plate shape (I-unit) is obtained.
- I-unit plate shape
- the relationship between the work roll diameter D and the plate end shape of the rolled material 1 can be obtained.
- the plate shape calculation conditions of the work roll 22 adopting the five kinds of work roll diameters D described above are shown in FIG.
- the hydraulic cylinders 46a, 46b, 46c, 46d are automatically driven with an operation amount corresponding to the diameter of the work roll 22, and instead of the hydraulic cylinders 46a, 46b, 46c, 46d, a worm A jack or the like may be used.
- the work roll 22 is pressed and supported by the support rolls 41 a and 41 c arranged on the entry side in the conveyance direction of the rolled material 1 and the support rolls 41 b and 41 d arranged on the exit side in the conveyance direction of the rolled material 1.
- the support rolls 41a, 41b, 41c, and 41d may be provided on at least one of the entry side and the exit side.
- the pair of upper and lower intermediate rolls 23 includes a cylindrical roll body 23 a that contacts the roll body 22 a of the work roll 22 and one end of the roll body 23 a.
- the roll neck portions 23c and 23d of the intermediate roll 23 are rotatably supported by bearings 51a, 51b, 51c and 51d provided in the housings 21a and 21b.
- the drive side bearings 51b and 51d are detachably mounted with a shift frame 53 via a detachable hook 52, and between the shift frame 53 and the housing 21b, shift cylinders 54a and 54b are mounted. Is intervened.
- shift blocks 55a and 55b are provided on both sides of the operation side bearings 51a and 51c, and these shift blocks 55a and 55b slide in the roll axis direction of the intermediate roll 23 with respect to the housing 21a. It is supported movably.
- shift blocks 55c and 55d are provided on both sides of the drive-side bearings 51b and 51d. These shift blocks 55c and 55d are arranged in the roll axis direction of the intermediate roll 23 with respect to the housing 21b. It is slidably supported.
- the opposed shift blocks 55a and 55b and the shift blocks 55c and 55d are connected by connecting bars 56a and 56b.
- bending cylinders 57a, 57b, 57c, and 57d are provided in the shift blocks 55a, 55b, 55c, and 55d, respectively, and these bending cylinders 57a, 57b, 57c, and 57d are provided with bearings 51a, 51b, 51c, and 57d, respectively. 51d can be pressed.
- the intermediate roll 23 can be moved in the roll axis direction by driving the shift cylinders 54a and 54b.
- the roll shoulder 23e of the intermediate roll 23 can be shifted according to the plate width (end portion position) of the rolled material 1, the plate shape of the rolled material 1 can be controlled.
- the bending cylinders 57a, 57b, 57c, 57d are driven and the bearings 51a, 51b, 51c, 51d are pressed, roll bending can be imparted to the intermediate roll 23. Can be controlled.
- the pair of upper and lower intermediate rolls 23 are moved in the roll axial direction, the roll shoulder 23 e is shifted according to the plate width of the rolled material 1, and the work roll 22 is moved. Further, by applying roll bending to the intermediate roll 23, the plate shape of the rolled material 1 can be controlled with high accuracy.
- the operation side and the drive of the work roll 22 are driven by using the work roll 22 having a small diameter instead of using the work roll having a very small diameter as in the prior art. Since a space can be formed on the side, thrust bearings 33a and 33b having a large thrust capacity with respect to the thrust force of the work roll 22 can be provided in the space. Thereby, since the shift operation
- the roll shoulder 23e of the rolling material 1 can be moved during the shifting operation of the intermediate roll 23 during rolling.
- the plate shape of the rolled material 1 can be controlled by shifting outside the plate width without shifting into the plate width.
- the roll shoulder 23e of the intermediate roll 23 is shifted from the end of the rolled material 1 to the outside in the plate width direction by a distance UC ⁇ .
- a distance for example, 20 mm
- the meandering amount of the rolled material 1 may be added to the distance UC ⁇ outside the sheet width direction.
- the pair of upper and lower work rolls 2 described above is formed of a material having a high longitudinal elastic modulus.
- a material having a high longitudinal elastic modulus cemented carbide such as tungsten carbide (longitudinal elastic modulus: 53000 kg / mm 2 ), ceramics (longitudinal elastic modulus: 31000 kg / mm 2 ), or the like is used.
- special forged steel or high-speed steel (longitudinal elastic modulus: 21000 kg / mm 2 ) or the like has been used as a material for the conventional work rolls having a very small diameter.
- the work roll 2 may be a composite roll whose surface layer portion is formed of the above-described high longitudinal elastic modulus material and whose inner layer portion is formed of the above-described conventional material.
- the work roll 22 is made to have a longitudinal elastic modulus that is about 1.5 to 2.5 times higher than that of conventional materials such as special forged steel and high-speed steel.
- the roll flatness of the work roll 22 can be suppressed by using a high longitudinal elastic modulus material such as a cemented carbide or ceramics having the above.
- the roll flattening amount can be suppressed.
- the work roll diameter when the work roll 22 is flattened is the conventional minimum diameter. This is equivalent to the work roll diameter when the work roll is flattened.
- the amount of coolant entrained in the small-diameter work roll 22 is also equal to the amount of coolant entrained in the ultra-small work roll 22, so that the surface gloss of the rolled material 1 rolled by the small-diameter work roll 22 is also small.
- the surface gloss of the rolled material rolled by a roll can be made equal.
- the work roll 22 by forming the work roll 22 with a hard material such as cemented carbide or ceramics, it is possible to reduce the wear of the work roll 22. Thereby, the roll life of the work roll 22 is extended, the frequency of roll replacement of the work roll 22 is reduced, and the productivity can be further improved.
- the wear amount of cemented carbide, ceramics, etc. is 1/25. It has become. Further, when a high hardness material such as cemented carbide or ceramic is used only for the surface layer portion of the work roll 22, the high hardness material may be sprayed on the surface of the roll.
- a pair of upper and lower work rolls 62 are rotatably supported by the six-high rolling mill 13.
- the pair of upper and lower work rolls 62 includes a cylindrical roll body 62a, a tapered tapered part 62b formed at one end of the roll body 62a, and a roll neck formed at the other end of the roll body 62a. It has a portion 62c, a roll neck portion 62d formed at the tip of the tapered portion 62b, and a roll shoulder portion 62e that becomes the starting point (starting position of the tapered surface) of the tapered portion 62b. That is, the pair of upper and lower intermediate rolls 62 have roll shoulder portions 62e at the ends of the upper and lower roll body portions 62a that are point-symmetric with respect to the center of the width of the rolled material 1.
- the roll necks 62c and 62d of the work roll 62 are rotatably supported by the bearings 31a, 31b, 31c and 31d described above.
- the bearings 31a, 31b, 31c and 31d have bending cylinders 32a and 31d, respectively. 32b, 32c, and 33d are provided.
- the upper work roll 62 is supported by thrust bearings 34a and 34b at the end surfaces of the roll neck portions 62c and 62d, and shift cylinders 35a and 35b are connected to the thrust bearings 34a and 34b.
- the lower work roll 62 is supported by thrust bearings 34c and 34d at the end surfaces of the roll neck portions 62c and 62d, and shift cylinders 35c and 35d are connected to the thrust bearings 34c and 34d. Yes.
- the work roll 62 can be moved in the roll axis direction via the thrust bearings 34a, 34b, 34c, 34d.
- the roll shoulder 62e of the work roll 62 can be shifted to a position that is point-symmetric with respect to the sheet width center of the rolled material 1, so that the plate thickness is rapidly reduced at the end of the rolled material 1. In other words, so-called edge drop can be reduced.
- a plate thickness measuring device (plate thickness measuring means) 70 is provided on the exit side in the conveying direction of the rolled material 1 in the 6-high rolling mill 13.
- the plate thickness measuring instrument 70 measures the plate thickness at one point or a plurality of points at both end portions (edge portions) of the rolled material 1.
- the distance between the roll shoulder 62e of the work roll 62 and the end of the rolled material 1 is a distance ⁇ w on the operation side and a distance ⁇ d on the drive side.
- the work roll 62 is moved in the roll axis direction, and the roll shoulder portion 62e. Is shifted to the center side in the plate width direction of the rolled material 1. That is, the work roll 62 is moved in the roll axis direction so that the distances ⁇ w and ⁇ d are increased.
- the work roll 62 is moved in the roll axis direction and the roll shoulder portion is moved. 62e is shifted to the outer side in the sheet width direction of the rolled material 1. That is, the work roll 62 is moved in the roll axis direction so that the distances ⁇ w and ⁇ d become small.
- the thrust bearings 34a, 34b, 34c, 34d dedicated to the thrust load are provided, but depending on the type of the rolling material 1, In some cases, the thrust load and the radial load bearings 31a, 31b, 31c, 31d alone can sufficiently cope with the thrust force of the work roll 62. In such a case, the thrust bearings 34a, 34b, 34c, 34d are omitted. It is also possible to do.
- the operation side and the drive of the work roll 62 are driven by using the work roll 62 having a small diameter instead of using the work roll having a very small diameter as in the prior art. Since a space can be formed on the side, thrust bearings 34a, 34b, 34c, and 34d having a large thrust capacity with respect to the thrust force of the work roll 62 can be provided in the space. Thereby, since the shift operation
- the 6-high rolling mill 11 of the first embodiment described above when applied to the entire rolling stand of the tandem rolling facility, the hard rolled material 1 can be rolled more efficiently. Further, as shown in FIG. 12, the six-high rolling mill 11 is connected to the NO.1 rolling stand 14a and the NO.4 of the NO.1 to NO.4 rolling stands 14a, 14b, 14c and 14d of the tandem rolling equipment 14. It is also possible to apply only to the 4 rolling stand 14d.
- the six-high rolling mill 11 to the NO. 1 rolling stand 14a and the NO. 4 rolling stand 14d, the NO.
- the amount of reduction can be increased by the work roll 22 having a small diameter, and in the No. 4 rolling stand 14d, even if the plate thickness of the rolled material 1 is reduced, the intermediate roll 23 is shifted by that amount. Since the plate shape of the material 1 can be controlled with high accuracy, the return on investment can be increased.
- the 6-high rolling mill 13 of the third embodiment described above is applied to the entire rolling stand of the tandem rolling facility, the edge drop of the rolled material 1 can be further reduced. Further, as shown in FIG. 13, the six-high rolling mill 13 is connected to the NO.1 rolling stand 15a and the NO.1 of the NO.1 to NO.4 rolling stands 15a, 15b, 15c and 15d of the tandem rolling equipment 15. It is also possible to apply only to the two rolling stands 15d.
- the 6-high rolling mill 13 to the NO. 1 rolling stand and the NO. 2 rolling stand, the plate thickness of the rolled material 1 is reduced in these NO. 1 rolling stand and NO. 2 rolling stand. Since the effect of reducing the edge drop by the work roll 62 is increased by the thickness, the return on investment can be increased.
- Japanese Patent No. 3444063 discloses a tandem rolling facility to which a cemented carbide work roll is applied, which occurs during rolling by applying a cemented carbide work roll.
- the present invention is intended to suppress metal wear powder and improve the surface cleanliness of the rolled material, and appropriately reduce the diameter of the work roll to efficiently roll the hard rolled material and Are very different technically.
- the present invention can be applied to a rolling mill that improves the support rigidity of a support roll that suppresses horizontal deflection of the work roll and appropriately reduces the diameter of the work roll.
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Abstract
Description
圧延材を圧延する上下一対の作業ロールと、
前記上下一対の作業ロールを上下方向からそれぞれ支持すると共に、ロール軸方向に移動可能に支持され、圧延材の板幅中心に対して点対称となる上下のロール端部に、テーパ状の先細り部を有する上下一対の中間ロールと、
前記上下一対の中間ロールを上下方向からそれぞれ支持する上下一対の補強ロールと、
前記上下一対の作業ロールを、圧延材の搬送方向入側及び搬送方向出側の少なくとも一方側から、それぞれ支持する上下一対の支持ロールと、
前記上下一対の支持ロールを、圧延材の搬送方向入側または搬送方向出側から、それぞれ支持する上下二対の分割ベアリング軸とを備えた圧延機において、
作業ロール径の範囲は、(作業ロール径)/(圧延材の最大板幅)=0.1を超え0.16以下、である
ことを特徴とする。
圧延中に、前記上下一対の中間ロールをロール軸方向に移動させる
ことを特徴とする。
前記作業ロールを、超硬合金またはセラミックスで形成する
ことを特徴とする。
前記上下一対の作業ロールは、ロール軸方向に移動可能に支持され、圧延材の板幅中心に対して点対称となる上下のロール端部に、テーパ状の先細り部を有する
ことを特徴とする。
前記上下一対の作業ロールにおける圧延材の搬送方向出側に、圧延材の端部の板厚を測定する板厚測定手段を備え、
前記板厚測定手段により測定された圧延材の板厚に応じて、前記上下一対の作業ロールをロール軸方向に移動させ、前記先細り部の起点となるロール肩部の位置を制御する
ことを特徴とする。
複数の圧延機を並べたタンデム圧延設備において、
第1乃至第5のいずれかの発明の圧延機を、少なくとも1つ以上備えた
ことを特徴とする。
Claims (6)
- 圧延材を圧延する上下一対の作業ロールと、
前記上下一対の作業ロールを上下方向からそれぞれ支持すると共に、ロール軸方向に移動可能に支持され、圧延材の板幅中心に対して点対称となる上下のロール端部に、テーパ状の先細り部を有する上下一対の中間ロールと、
前記上下一対の中間ロールを上下方向からそれぞれ支持する上下一対の補強ロールと、
前記上下一対の作業ロールを、圧延材の搬送方向入側及び搬送方向出側の少なくとも一方側から、それぞれ支持する上下一対の支持ロールと、
前記上下一対の支持ロールを、圧延材の搬送方向入側または搬送方向出側から、それぞれ支持する上下二対の分割ベアリング軸とを備えた圧延機において、
作業ロール径の範囲は、(作業ロール径)/(圧延材の最大板幅)=0.1を超え0.16以下、である
ことを特徴とする圧延機。 - 請求項1に記載の圧延機において、
圧延中に、前記上下一対の中間ロールをロール軸方向に移動させる
ことを特徴とする圧延機。 - 請求項1に記載の圧延機において、
前記作業ロールを、超硬合金またはセラミックスで形成する
ことを特徴とする圧延機。 - 請求項1に記載の圧延機において、
前記上下一対の作業ロールは、ロール軸方向に移動可能に支持され、圧延材の板幅中心に対して点対称となる上下のロール端部に、テーパ状の先細り部を有する
ことを特徴とする圧延機。 - 請求項4に記載の圧延機において、
前記上下一対の作業ロールにおける圧延材の搬送方向出側に、圧延材の端部の板厚を測定する板厚測定手段を備え、
前記板厚測定手段により測定された圧延材の板厚に応じて、前記上下一対の作業ロールをロール軸方向に移動させ、前記先細り部の起点となるロール肩部の位置を制御する
ことを特徴とする圧延機。 - 複数の圧延機を並べたタンデム圧延設備において、
請求項1乃至5のいずれかに記載の圧延機を、少なくとも1つ以上備えた
ことを特徴とするタンデム圧延設備。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201080068066.4A CN102985192B (zh) | 2010-07-15 | 2010-07-15 | 轧制机及具备该轧制机的串联式轧制设备 |
| JP2012524372A JP5711232B2 (ja) | 2010-07-15 | 2010-07-15 | 作業ロール径の設定方法 |
| PCT/JP2010/061935 WO2012008030A1 (ja) | 2010-07-15 | 2010-07-15 | 圧延機及びそれを備えたタンデム圧延設備 |
| DE112010005741T DE112010005741T5 (de) | 2010-07-15 | 2010-07-15 | Walzmaschine und mit dieser ausgerüstetes Tandem-Walzwerk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2010/061935 WO2012008030A1 (ja) | 2010-07-15 | 2010-07-15 | 圧延機及びそれを備えたタンデム圧延設備 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012008030A1 true WO2012008030A1 (ja) | 2012-01-19 |
Family
ID=45469055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2010/061935 Ceased WO2012008030A1 (ja) | 2010-07-15 | 2010-07-15 | 圧延機及びそれを備えたタンデム圧延設備 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5711232B2 (ja) |
| CN (1) | CN102985192B (ja) |
| DE (1) | DE112010005741T5 (ja) |
| WO (1) | WO2012008030A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017119303A (ja) * | 2015-12-28 | 2017-07-06 | Jfeスチール株式会社 | 調質圧延機及び調質圧延方法 |
| JP2018030153A (ja) * | 2016-08-24 | 2018-03-01 | Jfeスチール株式会社 | 冷間タンデム圧延機及び冷延鋼板の製造方法 |
| WO2020204070A1 (ja) * | 2019-04-04 | 2020-10-08 | 日本センヂミア株式会社 | 多段圧延機 |
| WO2024019125A1 (ja) * | 2022-07-21 | 2024-01-25 | 日本センヂミア株式会社 | 8段圧延機、タンデム圧延機、及び圧延機の改造方法 |
| JP7583218B1 (ja) * | 2024-06-28 | 2024-11-13 | 日本センヂミア株式会社 | 圧延機 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102129193B1 (ko) * | 2016-01-14 | 2020-07-01 | 가부시키가이샤 아이에이치아이 | 압연 장치 및 압연 장치의 개조 방법 |
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| JP2006315084A (ja) * | 2005-05-10 | 2006-11-24 | T Sendzimir Inc | 改良された側部支持6段圧延機 |
| JP2009172645A (ja) * | 2008-01-25 | 2009-08-06 | Mitsubishi-Hitachi Metals Machinery Inc | 圧延機及びそれを備えたタンデム圧延機 |
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| JPH084803B2 (ja) * | 1986-10-27 | 1996-01-24 | 川崎製鉄株式会社 | ゼンジミアミルにおける狭幅素材の圧延方法 |
| JPH0459112A (ja) * | 1990-06-29 | 1992-02-26 | Nisshin Steel Co Ltd | リバースミルによる冷間圧延におけるクラウン制御方法 |
| JP3826974B2 (ja) * | 1997-05-29 | 2006-09-27 | 石川島播磨重工業株式会社 | 熱間タンデム圧延機 |
| JP3290975B2 (ja) * | 2000-03-29 | 2002-06-10 | 川崎重工業株式会社 | 薄板の圧延方法および圧延機 |
| JP3747786B2 (ja) * | 2001-02-05 | 2006-02-22 | 株式会社日立製作所 | 板材用圧延機の圧延方法及び板材用圧延設備 |
-
2010
- 2010-07-15 JP JP2012524372A patent/JP5711232B2/ja not_active Expired - Fee Related
- 2010-07-15 WO PCT/JP2010/061935 patent/WO2012008030A1/ja not_active Ceased
- 2010-07-15 DE DE112010005741T patent/DE112010005741T5/de not_active Withdrawn
- 2010-07-15 CN CN201080068066.4A patent/CN102985192B/zh active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5530390A (en) * | 1978-05-19 | 1980-03-04 | Sendzimir Inc T | Rolling machine |
| JP2006315084A (ja) * | 2005-05-10 | 2006-11-24 | T Sendzimir Inc | 改良された側部支持6段圧延機 |
| JP2009172645A (ja) * | 2008-01-25 | 2009-08-06 | Mitsubishi-Hitachi Metals Machinery Inc | 圧延機及びそれを備えたタンデム圧延機 |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017119303A (ja) * | 2015-12-28 | 2017-07-06 | Jfeスチール株式会社 | 調質圧延機及び調質圧延方法 |
| JP2018030153A (ja) * | 2016-08-24 | 2018-03-01 | Jfeスチール株式会社 | 冷間タンデム圧延機及び冷延鋼板の製造方法 |
| WO2020204070A1 (ja) * | 2019-04-04 | 2020-10-08 | 日本センヂミア株式会社 | 多段圧延機 |
| CN113646099A (zh) * | 2019-04-04 | 2021-11-12 | 日本森吉米尔公司 | 多辊轧机 |
| JPWO2020204070A1 (ja) * | 2019-04-04 | 2021-12-16 | 日本センヂミア株式会社 | 多段圧延機 |
| JP7100414B2 (ja) | 2019-04-04 | 2022-07-13 | 日本センヂミア株式会社 | 多段圧延機 |
| EP3950160A4 (en) * | 2019-04-04 | 2022-12-14 | Sendzimir Japan, Ltd. | MULTI-STAGE ROLLING MILL |
| CN113646099B (zh) * | 2019-04-04 | 2023-08-08 | 日本森吉米尔公司 | 多辊轧机 |
| US11872612B2 (en) | 2019-04-04 | 2024-01-16 | Sendzimir Japan, Ltd. | Multistage rolling mill |
| WO2024019125A1 (ja) * | 2022-07-21 | 2024-01-25 | 日本センヂミア株式会社 | 8段圧延機、タンデム圧延機、及び圧延機の改造方法 |
| JPWO2024019125A1 (ja) * | 2022-07-21 | 2024-01-25 | ||
| JP7583218B1 (ja) * | 2024-06-28 | 2024-11-13 | 日本センヂミア株式会社 | 圧延機 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2012008030A1 (ja) | 2013-09-05 |
| CN102985192B (zh) | 2014-12-03 |
| JP5711232B2 (ja) | 2015-04-30 |
| CN102985192A (zh) | 2013-03-20 |
| DE112010005741T5 (de) | 2013-06-27 |
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