EP3436204A1 - Vorrichtung und verfahren zum plattieren einer warmen bramme - Google Patents
Vorrichtung und verfahren zum plattieren einer warmen brammeInfo
- Publication number
- EP3436204A1 EP3436204A1 EP17708789.7A EP17708789A EP3436204A1 EP 3436204 A1 EP3436204 A1 EP 3436204A1 EP 17708789 A EP17708789 A EP 17708789A EP 3436204 A1 EP3436204 A1 EP 3436204A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slab
- metal strip
- reversing
- rolling
- plating
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005253 cladding Methods 0.000 title abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 66
- 239000002184 metal Substances 0.000 claims abstract description 66
- 238000005096 rolling process Methods 0.000 claims abstract description 43
- 239000011265 semifinished product Substances 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000007747 plating Methods 0.000 claims description 33
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- 238000005098 hot rolling Methods 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
- B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/383—Cladded or coated products
Definitions
- the invention relates to a device for plating a hot slab of steel, comprising: a unwinding device for unwinding and laying a metal strip at least on one side of the slab, one in line with the
- Rolling mill for the metal strip arranged with upper and lower work rolls for plating the slab by rolling the slab with the overlying metal strip to a plated semifinished product and a drive and control device for rotationally driving the work rolls.
- the invention also relates to a corresponding method.
- the prior art discloses various methods and devices for producing clad semi-finished products.
- Substantially planar metal strip such as sheet or the like, additionally applied to a raw or pre-rolled semi-finished steel product such as a slab or the like.
- a raw or pre-rolled semi-finished steel product such as a slab or the like.
- the flat metal strip section outside of the rolling line is placed on the steel finished rolled semifinished product.
- plating methods include, for example, plating in a quasi-cold rolling process or explosive plating.
- plating methods described above can not be integrated into a continuous rolling or hot rolling process of rolling stock, so that these plating methods are at least very cumbersome.
- a slab can be plated inline, ie along or within, a hot rolling mill of a finishing mill with additional material.
- a hot rolling mill of a finishing mill with additional material.
- a device is known in which a slab made of a carbon steel is plated on both sides by a material made of stainless steel. This material is unwound above and below a rolling line in the main conveying direction of a finishing train moving slab from a coil, then fed together with the slab of a heating section and pressed by means of pressure rollers to the slab. Then the actual plating process by means of work rolls several successively arranged
- Hot rolling stands performed wherein the slab with the metal strip is continuously and continuously conveyed in the main conveying direction along the rolling line of the finishing train. Due to the structure chosen there, however, this plating method requires an extremely large amount of space, which makes the finishing train as a whole very large. Also, the finishing mill designed by this construction is very inflexible. For example, already existing finishing mills can not be retrofitted or, if at all, very cumbersome and expensive. Moreover, JP 56062602 A discloses a plating method in which an additional aluminum sheet is rolled on both sides of a cast aluminum strand.
- Each of these additional aluminum sheets is unwound from a coil and then rolled onto the cast aluminum strand by means of a rolling stand so that the surfaces of the cast aluminum strand are protected by the additional aluminum sheets.
- the additional aluminum sheets are applied to the cast aluminum strand without preheating and then pressure-fixed continuously in the main conveying direction of the rolling line with a roll stand. Again, retrofitting existing finishing mills is not or, if at all, very cumbersome and expensive.
- the object of the invention is to develop a known device and a known method for plating a slab in such a way that the cladding can be carried out more efficiently and in a more space-saving manner.
- the object of the invention is achieved with respect to the device by the subject matter of claim 1. This is characterized in that it is in the
- Rolling mill is a Reversierwalzgerüst.
- the slab and the metal strip in particular in several passes, are co-rolled and thereby materially and intimately connected to each other, so that a plated semi-finished product is formed.
- the use of the Reversierwalzgerüstes offers the advantage that the plating process can be done very space-saving despite a plurality of stitches to be made, because the stitches are not in a plurality of consecutively - and thus expansive in the rolling direction - set up
- a steel slab and a metal strip within a rolling line can be joined together to form a semi-finished product.
- This has the advantage that traditional partially required processing steps outside the rolling line for the joining of slab and metal strip can be omitted; This makes the plating process more efficient.
- the slab typically made of steel, is advantageously warm during plating. For example, it comes directly from a casting machine before it passes through the reversing mill, or it is previously warmed up.
- metal strip excludes not only steel strips but also strips
- Non-ferrous metals included According to a first embodiment, it is advantageous if the
- a unwinding device can be arranged cumulatively or alternatively also below the hot rolling line if the device is designed accordingly or if bilateral plating of the slab is also desired.
- the slab tends to be more strongly rolled on its side facing away from the strip-like material, and thus also longer than on its side facing the metal strip. In the vast majority of cases, this leads to the fact that the semi-finished product to be produced bends to a critical extent and has to be laboriously directed. To compensate for this effect in one-sided plating, it is necessary that the work rolls of the
- Reversierstalzgerüstes on the belt-like material or the plating material facing side rotate at a different speed than at this
- Semifinished product is formed, which is not or only negligibly bent. Furthermore, it is conducive to a plating process, when the metal strip in front of the
- the uncoiling device is arranged inside the heating device, i. if the heater is e.g. is designed as a coil oven and the metal strip can be handled accordingly already heated from the coil.
- the slab and / or the metal strip are treated by means of a cutting device, e.g. a drum shears, is cut to length, so that the slab and / or the metal strip already before the cutting device, e.g. a drum shears, is cut to length, so that the slab and / or the metal strip already before the cutting device, e.g. a drum shears, is cut to length, so that the slab and / or the metal strip already before the
- Metal band is arranged.
- Driving device can be the slab with the metal band either between
- the reversing rolling mill is in
- Main conveying direction a finishing mill for finish rolling of the clad
- the unwinding device is arranged for the metal strip between the Reversierwalzgerüst and the entrance of the finishing train.
- the Reversierwalzgerüst can easily before existing
- Retrofit rolling mills in particular e.g. by using an already existing roughing stand as reversing rolling mill.
- the method according to the invention can be used even on older ones already in operation
- Hot rolling lines are carried out.
- the operator of a hot rolling mill can thus expand its production spectrum without particularly high investment costs.
- hot rolling mill is understood as a generic term for a finishing train with an upstream roughing stand, here reversing stand.
- main conveying direction is meant the direction in which the semi-finished product leaves the reversing stand to pass through a downstream finishing train
- Figure 1 is a schematic side view of the device according to the invention for
- the device 1 shown by way of example in FIG. 1 for producing a plated semifinished product 2 essentially comprises a reversing rolling stand 5, a
- Uncoiling device 6 for unwinding metal strip 4 from a coil 7, a cutting device 8 for cutting the slab 3 and / or the metal strip 4 and a driving device 9 for driving the slab 3 and the metal strip 4.
- the cutting device 8 shown only schematically in FIG is exemplary designed as a drum shears.
- Cutting device 8 and the driving device 9 can be a
- Protective gas hood (not shown) may be arranged so that through the
- Heating device 22 preheated metal strip 4 can be supplied to the Reversierwalzgerüst 5 under a protective gas atmosphere in order to avoid or at least reduce scale formation or the like.
- the reversing rolling mill 5 can be arranged, for example, as a rough rolling stand 5A in front of a finishing train 16, in which case the uncoiling device 6 is arranged between the reversing rolling mill and the finishing train.
- a rocker (not shown) may be arranged to guide the metal strip - coming from the uncoiling device - onto the slab 3 in a first position or to release the roller table 17 in a second position for passing the finished semifinished product coming from the reversing rolling mill (5) into the downstream finishing train.
- a preferred procedure can be designed as follows:
- the slab 3 is rolled in a first pass with the reversing rolling mill 5, the slab 3 is fed by way of example from above the metal strip 4.
- the conveying direction 15 is then reversed, and the slab 3 with the metal strip 4 are then conveyed counter to the main conveying direction 15 to the Reversierwalzgerust 5 to plate the slab 3 with the metal strip 4.
- the feeding is possibly carried out with the aid of the driving device 9.
- the plating or the production of the semifinished product preferably takes place in several reversing stitches in opposite reversing rolling directions 21. In this way a particularly intimate connection between the warm slab 3 and the preferably likewise heated metal strip 4 can be produced.
- the metal strip 4 can be operatively connected to the slab 3 particularly well if it is preheated by a heating device 22 prior to application to the slab.
- the device 1 comprises a control device (not shown), which is also known as
- Control device may be formed by means of which the speeds of the above the slab 3 arranged work roll 25 and arranged below the slab 3 work roll 26 of the Reversierwalzgerusts 5 independently of each other suitably adjustable or regulated.
- the strip-like material 4 can also be cut to length by means of the cutting device 8 in accordance with the length of the slab 3.
- the rocker can be raised again after the provision of the metal strip 4 for the slab, so that the plated semi-finished product 2 according to the
- Main conveying direction 15 can be transported further in the direction of the finishing train 16 without starting against the rocker. Even while the thus produced clad semifinished product 2 from the
- Device 1 is conveyed, the device 1 can be delivered to a further slab 3 and the plating procedure be performed again.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016205221.7A DE102016205221A1 (de) | 2016-03-30 | 2016-03-30 | Vorrichtung und Verfahren zum Plattieren einer warmen Bramme |
PCT/EP2017/055119 WO2017167551A1 (de) | 2016-03-30 | 2017-03-06 | Vorrichtung und verfahren zum plattieren einer warmen bramme |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3436204A1 true EP3436204A1 (de) | 2019-02-06 |
EP3436204B1 EP3436204B1 (de) | 2020-02-19 |
Family
ID=58228149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17708789.7A Active EP3436204B1 (de) | 2016-03-30 | 2017-03-06 | Vorrichtung und verfahren zum plattieren einer warmen bramme |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3436204B1 (de) |
DE (1) | DE102016205221A1 (de) |
WO (1) | WO2017167551A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017220434A1 (de) | 2016-11-18 | 2018-05-24 | Sms Group Gmbh | Verfahren und Vorrichtung zur Herstellung eines kontinuierlichen bandförmigen Verbundmaterials |
CN110773591B (zh) * | 2019-10-25 | 2020-12-18 | 赣州逸豪新材料股份有限公司 | 一种高导热铝基板生产设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5662602A (en) | 1979-10-24 | 1981-05-28 | Ishikawajima Harima Heavy Ind Co Ltd | Production of aluminum plate |
JPS62279003A (ja) * | 1986-05-28 | 1987-12-03 | Hitachi Ltd | 重ね板圧延方法および装置 |
FR2842212B1 (fr) * | 2002-07-11 | 2004-08-13 | Pechiney Rhenalu | Element de structure d'avion en alliage a1-cu-mg |
DE10349950A1 (de) * | 2003-10-24 | 2005-05-25 | Sms Demag Ag | Walzwerk zum Warmwalzen von Metall, insbesondere von Aluminium, sowie Warmwalzverfahren |
EP1607147A1 (de) * | 2004-06-17 | 2005-12-21 | PLANSEE Aktiengesellschaft | Verfahren und Anlage zur Herstellung eines Feinblechs oder einer Folie aus einem metallischen Werkstoff durch Walzen |
JP2008264825A (ja) * | 2007-04-19 | 2008-11-06 | Kobe Steel Ltd | アルミニウムクラッド材の製造方法 |
CN102310077B (zh) | 2010-06-30 | 2013-07-17 | 辽宁科技大学 | 不锈钢/普通钢复合板的连续还原轧制复合方法及其装置 |
DE102011003046A1 (de) * | 2011-01-24 | 2012-07-26 | ACHENBACH BUSCHHüTTEN GMBH | Fertigwalzeinrichtung sowie Verfahren zur Herstellung eines Magnesiumbandes in einer solchen |
-
2016
- 2016-03-30 DE DE102016205221.7A patent/DE102016205221A1/de not_active Withdrawn
-
2017
- 2017-03-06 WO PCT/EP2017/055119 patent/WO2017167551A1/de active Application Filing
- 2017-03-06 EP EP17708789.7A patent/EP3436204B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP3436204B1 (de) | 2020-02-19 |
WO2017167551A1 (de) | 2017-10-05 |
DE102016205221A1 (de) | 2017-10-05 |
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