WO2009093509A1 - 圧延機及びそれを備えたタンデム圧延機 - Google Patents
圧延機及びそれを備えたタンデム圧延機 Download PDFInfo
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- WO2009093509A1 WO2009093509A1 PCT/JP2009/050409 JP2009050409W WO2009093509A1 WO 2009093509 A1 WO2009093509 A1 WO 2009093509A1 JP 2009050409 W JP2009050409 W JP 2009050409W WO 2009093509 A1 WO2009093509 A1 WO 2009093509A1
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- Prior art keywords
- rolling mill
- roll
- minimum diameter
- rolls
- pair
- Prior art date
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- 238000005096 rolling process Methods 0.000 title claims abstract description 69
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 239000013013 elastic material Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000002932 luster Substances 0.000 abstract 1
- 238000013000 roll bending Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- B21B13/145—Lateral support devices for rolls acting mainly in a direction parallel to the movement of the product
-
- 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
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/028—Sixto, six-high stands
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2267/00—Roll parameters
- B21B2267/02—Roll dimensions
- B21B2267/06—Roll diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2267/00—Roll parameters
- B21B2267/28—Elastic moduli of rolls
-
- 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
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
Definitions
- the present invention relates to a rolling mill capable of reducing the diameter of a work roll and a tandem rolling mill equipped with the rolling mill.
- the minimum value of the work roll diameter is that there are no support rolls in both the outer and outer widths of the work roll that can be rolled.
- the work roll deflection rigidity value withstands the tangential force of the intermediate roll drive is determined.
- the width is ⁇ 180 to ⁇ 380 when driven by a 4-width material (4 feet) and an intermediate roll.
- Patent Document 1 discloses that a work roll is subjected to horizontal bending.
- the 6-stage mill having the support roll within the roll width of the work roll has a small space for the support roll, and it is difficult to ensure sufficient strength and rigidity. Since there is a support bearing that supports the support roll, depending on the material, there is a problem that the mark of the support bearing is transferred and generated on the plate through the support roll and the work roll.
- the present invention has been proposed in view of such circumstances, and its purpose is to make it possible to use a work roll having a smaller diameter for hard material rolling, and to obtain a strip having high productivity and high product quality. It is providing a rolling mill and a tandem rolling mill provided with the rolling mill.
- the rolling mill according to the present invention for solving the above problems is as follows.
- Support rollers or support bearings are arranged in a staggered arrangement between a pair of upper and lower work rolls on both the input and output sides on the operation side and drive side outside the rollable plate width of the pair of upper and lower work rolls.
- a plurality of slabs are provided at a predetermined interval in the roll axis direction.
- the minimum roll diameter of the work roll is between a minimum diameter upper limit Dmax1 and a minimum diameter lower limit Dmin1, which are expressed by the following formula.
- Minimum diameter upper limit Dmax1 D4max ⁇ B / 5 (1/4)
- Minimum diameter lower limit Dmin1 D4min ⁇ B / 5 (1/4)
- the tandem rolling mill according to the present invention for solving the above problems is In the tandem rolling mill in which a plurality of rolling mill stands are arranged, at least one of the rolling mills is provided.
- upper and lower staggered arrangements are arranged on both sides of the entry and exit sides outside the rollable sheet width of the pair of upper and lower work rolls so that the support at both ends of the work roll is equivalent to the fixed support from simple support.
- a support roller or support bearing it is possible to suppress the deflection of the work roll caused by the tangential force of the intermediate roll drive.
- the work roll diameter can be reduced, reducing edge drop and surface gloss. Improvement is possible.
- the upper and lower support rollers or support bearings can be wrapped in a staggered arrangement, resulting in a larger size.
- a large-capacity support roller or support bearing can be applied, and as a result, it can also be applied to a high-load, high-torque rolling mill for hard materials.
- the work roll diameter can be further reduced by using a work roll made of high longitudinal elastic material carbide or ceramics.
- FIG. 1 is a front sectional view of a six-stage mill showing Example 1 of the present invention
- FIG. 2 is a sectional view taken along the line II-II in FIG. 1
- FIG. 3 is a sectional view taken along the line III-III in FIG.
- a strip 1 as a material to be rolled is rolled by a pair of upper and lower work rolls 2.
- the pair of upper and lower work rolls 2 are each contacted and supported by a pair of upper and lower intermediate rolls 3, and the pair of upper and lower intermediate rolls 3 are each supported by a pair of upper and lower reinforcing rolls 4.
- the upper reinforcing roll 4 is supported by bearing housings 17a and 17c via bearings (not shown).
- These bearing housings 17a and 17c are pass line adjusting devices 5a such as worm jacks or tapered wedges and stepped rocker plates. , 5b through the housings 7a, 7b.
- a load cell may be built in the pass line adjusting devices 5a and 5b to measure the rolling load.
- the lower reinforcing roll 4 is supported by bearing housings 17b and 17d through bearings (not shown), and the bearing housings 17b and 17d are supported by housings 7a and 7b through hydraulic cylinders 6a and 6b. .
- a pair of upper and lower work rolls 2 are each of a plurality of support bearings 8a to 8f and 9a to 9f that are arranged in a staggered manner vertically on the entry side in the rolling direction outside the roll width that can be rolled. It is supported by a plurality of support bearings 10a to 10f and 11a to 11f, which are arranged in a staggered manner on the outer side in the rolling direction.
- the plurality of support bearings are attached to the brackets 22 and 23 via the shafts 18, 19 and 20 and 21, respectively, and the brackets 22 and 23 are attached to the housing 7.
- Each of the plurality of support bearings 8a to 8f and 9a to 9f in the upper and lower zigzag arrangement on the entry side in the rolling direction has a structure in which the upper and lower wraps.
- each of the plurality of support bearings 10a to 10f and 11a to 11f in the upper and lower staggered arrangement on the exit side in the rolling direction has a structure in which the upper and lower wraps.
- the pair of upper and lower work rolls 2 are provided with thrust bearings 12a and 12b for receiving axial thrust force at both shaft ends.
- bearing boxes 13a to 13d are attached to the roll necks of the pair of upper and lower work rolls 2 via bearings (not shown). These bearing boxes 13a to 13d are provided with bending cylinders 14a to 14d for applying roll bending. Thus, roll bending is applied to the pair of upper and lower work rolls 2.
- the bearing boxes 13a to 13d may be omitted.
- the work roll 2 without the bearing housings 13a to 13d has an advantage that the structure is simple and the workability is good.
- the rolling load is applied by the hydraulic cylinders 6a and 6b, and the rolling torque is transmitted by the intermediate roll 3 from a spindle (not shown).
- the pair of upper and lower intermediate rolls 3 have roll shoulders 3a each having a roll diameter decreasing at a roll barrel end position symmetrical with respect to the upper and lower points with respect to the center of the width of the band plate 1.
- the pair of upper and lower intermediate rolls 3 are supported by bearing boxes 15a to 15d via bearings (not shown).
- the pair of upper and lower intermediate rolls 3 can be moved in the axial direction by a shift device (not shown) via drive-side bearing boxes 15c and 15d.
- these bearing housings 15a to 15d are provided with bending cylinders 16a to 16d for applying roll bending. This gives roll bending to the intermediate roll 3.
- the upper and lower staggered support bearings 8a to 8f and 9a to 9f on the entry side in the rolling direction, and the upper and lower staggered support bearings 10a to 10f and 11a to 11f on the exit side in the rolling direction have the width of the strip 1.
- it may be shifted in the roll axis direction. That is, if the plate width is narrow, the distance between the operation side and the drive side of each support bearing in the upper and lower staggered arrangement on the input and output sides may be reduced accordingly. In this case, since the support interval is shortened, there is an advantage that the deflection of the pair of upper and lower work rolls 2 can be suppressed.
- the support bearings 8a to 8f and 9a to 9f, 10a to 10f and 11a of the upper and lower staggered arrangements on both the input and output sides outside the rollable plate width of the pair of upper and lower work rolls 2 are provided. Since .about.11f are provided, the deflection of the work roll 2 generated by the tangential force of the intermediate roll drive can be suppressed, and as a result, the diameter of the work roll can be reduced.
- the staggered arrangement allows the upper and lower support bearings 8a to 8f and 9a to 9f, 10a to 10f, and 11a to 11f to be wrapped so that a large size and large capacity support bearing can be applied. It can also be applied to high-load, high-torque rolling mills.
- Example 2 of the present invention will be described.
- the feature of this embodiment is that a material having a high longitudinal elastic modulus is used for the pair of upper and lower work rolls 2 in the first embodiment.
- the material having a high longitudinal elastic modulus include cemented carbide such as tungsten carbide (longitudinal elastic modulus: 53,000 kg / mm 2 ) and ceramics (longitudinal elastic modulus: 31,000 kg / mm 2 ).
- the upper and lower pair of work rolls 2 are provided with support bearings in a staggered arrangement on both the entrance and exit sides outside the rollable plate width, and have a high longitudinal elastic modulus. Since the work roll 2 made of a ceramic material is used, the work roll diameter can be further reduced, and the strip 1 having high productivity and high product quality can be obtained in the hard material rolling.
- Example 1 the deflection of the work roll due to the drive tangential force will be described with reference to FIGS. 4, 5A, and 5B.
- the horizontal deflection ⁇ s of the work roll is expressed by the following equation (1).
- the driving tangential force per unit length is F
- the support interval is L
- the diameter of the conventional work roll 2 is Dc
- the cross-sectional second moment of the conventional work roll diameter is Ic
- the pair of upper and lower work rolls are provided with a plurality of upper and lower staggered support bearings on both the entry and exit sides outside the plate width that can be rolled on the operation side and the drive side.
- This is the support condition of the fixed support shown in FIG. 5B.
- the horizontal deflection ⁇ f of the work roll is expressed by the following equation (2).
- the diameter of the work roll of Example 1 is Df
- the cross-sectional secondary moment of the diameter of the work roll of Example 1 is If.
- the minimum roll diameter of the work roll is between the minimum diameter upper limit Dmax1 and the minimum diameter lower limit Dmin1, and these are expressed by the following expression from the above expression (3).
- Minimum diameter upper limit Dmax1 D4max ⁇ B / 5 (1/4) (4) where D4max; Conventional work roll minimum diameter upper limit of 1,300 mm: ⁇ 380 B; Plate width (mm) / 1,300mm
- the minimum diameter upper limit Dmax1 for each plate width of Example 1 is shown in FIG.
- Minimum diameter lower limit Dmin1 D4min x B / 5 (1/4) (5) where D4min; Minimum roll diameter lower limit for conventional rolls of 1,300 mm: ⁇ 180
- the minimum diameter lower limit Dmin1 for each plate width in Example 1 is shown in FIG.
- the upper and lower work rolls are provided with a plurality of upper and lower staggered support bearings on both the entry and exit sides of the outer width of the plate width that can be rolled on the operation side and the drive side. It becomes the support conditions of the fixed support shown to 5B.
- the pair of upper and lower work rolls 2 uses a material having a high longitudinal elastic modulus. Examples of the material having a high longitudinal elastic modulus include cemented carbide and ceramic.
- the horizontal deflection ⁇ fr of the work roll 2 in this case is expressed by the following equation.
- the diameter of the work roll 2 of Example 2 is Dfr
- the sectional moment of the work roll diameter of Example 2 is Ifr
- the longitudinal elastic modulus of the work roll material of Example 2 is Er.
- the minimum roll diameter of the work roll is between the minimum diameter upper limit Dmax2 and the minimum diameter lower limit Dmin2, and these are expressed by the following equation (8).
- Minimum diameter upper limit Dmax2 D4max ⁇ B / (5 ⁇ K) (1/4) (8) where D4max; Minimum upper limit of work roll diameter of conventional plate width 1,300mm: ⁇ 380 B; Plate width (mm) / 1,300mm K: Ratio of high longitudinal elastic material to conventional material (longitudinal elastic modulus of high longitudinal elastic material / longitudinal elastic modulus of conventional material (21,000kg / mm 2 ))
- the work roll 2 may be variably offset to the horizontal rolling direction exit side in accordance with the driving torque.
- the drive tangential force F is reduced by the offset horizontal component Fa of the rolling load Q, and the total horizontal force applied to the work roll 2 is reduced.
- Fb represents the offset vertical component force.
- Fw F ⁇ Q ⁇ ⁇ / ((Dw + DI) / 2) (10) where the work roll diameter is Dw and the intermediate roll diameter is DI.
- the intermediate roll 3 may be variably offset to the horizontal rolling direction entry side according to the driving torque.
- the drive tangential force F is reduced by the offset horizontal component Fa of the rolling load Q, and the total horizontal force applied to the work roll 2 is reduced.
- Fb represents the offset vertical component.
- the small diameter work roll rolling mill of the present invention when applied to a tandem rolling mill, as shown in FIG.
- the small-diameter work roll 2 When applied to one stand, the small-diameter work roll 2 enables strong pressure reduction.
- the final stand NO.
- the rolling mill according to the present invention and the tandem rolling mill equipped with the rolling mill are suitable for use in a high-load, high-torque rolling mill for hard materials.
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Abstract
Description
金属帯板を圧延する上下1対の作業ロールとその作業ロールを支持する上下1対の中間ロールと更にこの上下1対の中間ロールを支持する上下1対の補強ロールから成り、前記作業ロールの圧延可能な板幅内に支持ロールを有しない6段式の圧延機において、
前記上下1対の作業ロールの圧延可能な板幅外の操作側及び駆動側の入,出側両側に、上下1対の作業ロール間で上下に千鳥配列となるように、支持ローラ又は支持ベアリングをロール軸方向に所定間隔離間して複数個設けたことを特徴とする。
最小径上限Dmax1= D4max × B/5(1/4)
ここで、D4max ; 従来板幅1,300mmの作業ロール最小径上限:φ380
B ; 板幅(mm)/1,300mm
最小径下限Dmin1= D4min × B/5(1/4)
ここで、D4min ; 従来板幅1,300mmの作業ロール最小径下限:φ180
最小径上限Dmax2= D4max × B/(5 × K)(1/4)
ここで、D4max ; 従来板幅1,300mmの作業ロール最小径上限:φ380
B ; 板幅(mm)/1,300mm
K ; 高縦弾性材の従来材との比
(高縦弾性材の縦弾性係数/従来材の縦弾性係数(21,000kg/mm2))
最小径下限Dmin2= D4min × B/(5 × K)(1/4)
ここで、D4min ; 従来板幅1,300mmの作業ロール最小径下限:φ180
複数の圧延機スタンドを並べたタンデム圧延機において、前記何れか一つの圧延機を少なくとも1スタンド設けたことを特徴とする。
2 作業ロール
3 中間ロール
4 補強ロール
5a,5b パスライン調整装置
6a,6b 油圧シリンダー
7a,7b ハウジング
8a~8f及び9a~9f 圧延方向入側の上下千鳥配列の複数の支持ベアリング
10a~10f及び11a~11f 圧延方向出側の上下千鳥配列の複数の支持ベアリング
13a~13d 作業ロール軸受箱
15a~15d 中間ロール軸受箱
17a~17d,19a~19d 補強ロール軸受箱
14a~14d 作業ロールベンディングシリンダー
16a~16d 中間ロールベンディングシリンダー
δs=5×F×L4/(384×Ec×Ic) (1)式
ここで、Ic=π×Dc4/64
δf=F×L4/(384×Ec×If) (2)式
ここで、If=π×Df4/64
ここで、δf=δsとすると、Dfは下記の(3)式で表される。
Df=Dc/5(1/4) (3)式
最小径上限Dmax1= D4max × B/5(1/4) (4)式
ここで、D4max ; 従来板幅1,300mmの作業ロール最小径上限:φ380
B ; 板幅(mm)/1,300mm
実施例1の板幅毎の最小径上限Dmax1を図6に示す。
最小径下限Dmin1= D4min × B/5(1/4) (5)式
ここで、D4min ; 従来板幅1,300mmの作業ロール最小径下限:φ180
実施例1の板幅毎の最小径下限Dmin1を図7に示す。
δfr=F×L4/(384×Er×Ifr) (6)式
ここで、Ifr=π×Dfr4/64
ここで、δfr=δsとすると、Dfrは下記の(7)式で表される。
Dfr=Dc/(5×K)(1/4) (7)式
最小径上限Dmax2= D4max × B/(5 × K)(1/4) (8)式
ここで、D4max ; 従来板幅1,300mmの作業ロール最小径上限:φ380
B ; 板幅(mm)/1,300mm
K ; 高縦弾性材の従来材との比
(高縦弾性材の縦弾性係数/従来材の縦弾性係数(21,000kg/mm2))
実施例2の板幅毎の最小径上限Dmax2を図6に示す。ただし作業ロール材質は、超硬の場合としてK=2.5とした。
最小径下限Dmin2= D4min × B/(5 × K)(1/4) (9)式
ここで、D4min ; 従来板幅1300mmの作業ロール最小径下限:φ180
実施例2の板幅毎の最小径下限Dmin2を図7に示す。ただし作業ロール材質は、超硬の場合としてK=2.5とした。
作業ロール2にかかる水平方向のトータルの力;Fwは、次の(10)式で示される。
Fw=F-Q×α/((Dw+DI)/2) (10)式
ここで、作業ロール径はDw、中間ロール径はDIとする。
作業ロール2にかかる水平方向のトータルの力;Fwは、次の(11)式で示される。
Fw=F-Q×β/((Dw+DI)/2) (11)式
ここで、作業ロール径はDw、中間ロール径はDIとする。
Claims (6)
- 金属帯板を圧延する上下1対の作業ロールとその作業ロールを支持する上下1対の中間ロールと更にこの上下1対の中間ロールを支持する上下1対の補強ロールから成り、前記作業ロールの圧延可能な板幅内に支持ロールを有しない6段式の圧延機において、
前記上下1対の作業ロールの圧延可能な板幅外の操作側及び駆動側の入,出側両側に、上下1対の作業ロール間で上下に千鳥配列となるように、支持ローラ又は支持ベアリングをロール軸方向に所定間隔離間して複数個設けたことを特徴とする圧延機。 - 前記作業ロールの最小ロール径は、最小径上限Dmax1と最小径下限Dmin1間にあり、これらは下記式で表されることを特徴とする請求項1に記載の圧延機。
最小径上限Dmax1= D4max × B/5(1/4)
ここで、D4max ; 従来板幅1,300mmの作業ロール最小径上限:φ380
B ; 板幅(mm)/1,300mm
最小径下限Dmin1= D4min × B/5(1/4)
ここで、D4min ; 従来板幅1,300mmの作業ロール最小径下限:φ180 - 前記作業ロールは高い縦弾性係数の材質を使用し、その作業ロールの最小ロール径は、最小径上限Dmax2と最小径下限Dmin2間にあり、これらは下記式で表されることを特徴とする請求項1に記載の圧延機。
最小径上限Dmax2= D4max × B/(5 × K)(1/4)
ここで、D4max ; 従来板幅1,300mmの作業ロール最小径上限:φ380
B ; 板幅(mm)/1,300mm
K ; 高縦弾性材の従来材との比
(高縦弾性材の縦弾性係数/従来材の縦弾性係数(21,000kg/mm2))
最小径下限Dmin2= D4min × B/(5 × K)(1/4)
ここで、D4min ; 従来板幅1,300mmの作業ロール最小径下限:φ180 - 複数の圧延機スタンドを並べたタンデム圧延機において、前記請求項1に記載の圧延機を少なくとも1スタンド設けたことを特徴とするタンデム圧延機。
- 複数の圧延機スタンドを並べたタンデム圧延機において、前記請求項2に記載の圧延機を少なくとも1スタンド設けたことを特徴とするタンデム圧延機。
- 複数の圧延機スタンドを並べたタンデム圧延機において、前記請求項3に記載の圧延機を少なくとも1スタンド設けたことを特徴とするタンデム圧延機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0907429-5A BRPI0907429A2 (pt) | 2008-01-25 | 2009-01-15 | Laminador de seis alturas, e, laminador em tandem |
US12/812,200 US8607609B2 (en) | 2008-01-25 | 2009-01-15 | Rolling mill and tandem rolling mill having the same |
CN200980102612.9A CN101918153B (zh) | 2008-01-25 | 2009-01-15 | 轧机和具有这种轧机的串列式轧机 |
EP09703122.3A EP2241382B1 (en) | 2008-01-25 | 2009-01-15 | Rolling mill, and tandem rolling mill having the same |
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JP2008-014469 | 2008-01-25 | ||
JP2008014469A JP5138397B2 (ja) | 2008-01-25 | 2008-01-25 | 圧延機及びそれを備えたタンデム圧延機 |
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WO2009093509A1 true WO2009093509A1 (ja) | 2009-07-30 |
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US (1) | US8607609B2 (ja) |
EP (1) | EP2241382B1 (ja) |
JP (1) | JP5138397B2 (ja) |
CN (1) | CN101918153B (ja) |
BR (1) | BRPI0907429A2 (ja) |
WO (1) | WO2009093509A1 (ja) |
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US10447474B2 (en) * | 2009-04-20 | 2019-10-15 | Pure Storage, Inc. | Dispersed data storage system data decoding and decryption |
JP5683082B2 (ja) * | 2009-07-29 | 2015-03-11 | 三菱日立製鉄機械株式会社 | 作業ロールシフト機能を具備した圧延機 |
WO2012008030A1 (ja) * | 2010-07-15 | 2012-01-19 | 三菱日立製鉄機械株式会社 | 圧延機及びそれを備えたタンデム圧延設備 |
EP2777832A1 (fr) * | 2013-03-13 | 2014-09-17 | Siemens VAI Metals Technologies GmbH | Dispositif de mise en rotation de cylindres de travail d'un laminoir et méthode de changement des dits cylindres |
CN107113261B (zh) * | 2014-12-29 | 2020-01-17 | 瑞典爱立信有限公司 | 用于生成以及检测随机接入前导的方法和设备 |
WO2016114791A1 (en) * | 2015-01-16 | 2016-07-21 | Hewlett Packard Enterprise Development Lp | Plenum to deliver cool air and route multiple cables |
JP6470134B2 (ja) * | 2015-07-08 | 2019-02-13 | Primetals Technologies Japan株式会社 | 圧延機および圧延方法 |
RU168271U1 (ru) * | 2015-10-26 | 2017-01-25 | Роман Сергеевич Третьяков | Станок для лазерной наплавки |
KR20180095352A (ko) * | 2017-02-17 | 2018-08-27 | 삼성전자주식회사 | 가전기기용 패널 제조장치 및 가전기기 제조방법 |
CN112191685B (zh) * | 2020-09-22 | 2023-05-09 | 上海坤勇节能科技有限公司 | 一种卧式九辊钢带轧齿机 |
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2009
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- 2009-01-15 US US12/812,200 patent/US8607609B2/en not_active Expired - Fee Related
- 2009-01-15 BR BRPI0907429-5A patent/BRPI0907429A2/pt not_active Application Discontinuation
- 2009-01-15 CN CN200980102612.9A patent/CN101918153B/zh not_active Expired - Fee Related
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JPS6360005A (ja) * | 1986-09-01 | 1988-03-16 | Hitachi Ltd | 多段圧延機 |
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See also references of EP2241382A4 |
Also Published As
Publication number | Publication date |
---|---|
CN101918153B (zh) | 2012-07-04 |
EP2241382A4 (en) | 2013-07-24 |
EP2241382A1 (en) | 2010-10-20 |
EP2241382B1 (en) | 2014-07-09 |
US20110023572A1 (en) | 2011-02-03 |
JP5138397B2 (ja) | 2013-02-06 |
BRPI0907429A2 (pt) | 2015-07-14 |
CN101918153A (zh) | 2010-12-15 |
JP2009172645A (ja) | 2009-08-06 |
US8607609B2 (en) | 2013-12-17 |
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