CN102029289A - Cold rolling apparatus for electromagnetic steel sheet and rolling method - Google Patents
Cold rolling apparatus for electromagnetic steel sheet and rolling method Download PDFInfo
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- CN102029289A CN102029289A CN201010289748XA CN201010289748A CN102029289A CN 102029289 A CN102029289 A CN 102029289A CN 201010289748X A CN201010289748X A CN 201010289748XA CN 201010289748 A CN201010289748 A CN 201010289748A CN 102029289 A CN102029289 A CN 102029289A
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- steel plate
- heater
- electromagnetic steel
- rolling
- coiled material
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 86
- 239000010959 steel Substances 0.000 title claims abstract description 86
- 238000005097 cold rolling Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005096 rolling process Methods 0.000 title abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 73
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 238000002360 preparation method Methods 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000012809 cooling fluid Substances 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
- 238000007598 dipping method Methods 0.000 description 6
- 238000003801 milling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0064—Uncoiling the rolled product
Abstract
The invention discloses a cold rolling apparatus for electromagnetic steel sheet and a rolling method, solving the problem of plate rupture in a straightening machine which is used before a heating device. The cold rolling apparatus comprises a roller mill (2) for cold rolling an electromagnetic steel plate (9), a payoff bobbin (1) for discharging coiled materials (8) to a press (2), and a straightening machine (5) arranged between the press (2) and the payoff bobbin (1), wherein the payoff bobbin (1) is provided with a pre-heating device (6), and a heating device (7) is provided before the press (2). Since the electromagnetic steel plate (9) is preheated by a pre-heating device (6) on the payoff bobbin, and coiled materials (8) are heated by a heating device (7) before the press, the electromagnetic steel plate (9) passing through the straightening machine (5) before the heating device (7) is preheated in the pre-heating device (6) thereby effectively solving the problem of plate rupture in the straightening machine (5) before the heating device (7).
Description
Technical field
The present invention relates to a kind of electromagnetic steel plate with cold-rolling equipment and milling method.It is the technology that improves for the plate incidence of cracking is reduced.
Background technology
When making electromagnetic steel plate (silicon steel plate), the incidence height that the plate in the cold rolling process breaks is to make the productivity ratio main reasons for decrease.In electromagnetic steel plate, there is inverse relation in the relation of steel billet temperature and cracking sensitivity degree, if the temperature height of steel plate, then the cracking sensitivity degree is low, the incidence step-down that plate breaks.Concrete copperplate temperature before rolling is more than 60 ℃, then the incidence step-down that breaks of plate.In addition, the steel billet temperature that is used to make coiled material pass through (logical plate The Ru) roll mill or jockey pulley is more than 60 ℃, the incidence step-down that plate breaks.
The prior art document
Patent documentation 1:JP spy opens flat 03-052703 " milling method and the equipment of difficult processing material "
Patent documentation 2:JP spy opens flat 03-060813 " equipment of hot rolling "
Patent documentation 3:JP spy opens flat 07-132312 " cold rolling process of metal belt plate "
Method as reducing the cracking sensitivity degree is well known that the use heater of (batch) formula in batches, and steel plate is carried out will heating roll transfer and being rolled to rolling equipment after the heat treated.
As heating means in batches, the heating dipping tank mode (patent documentation 1) of putting into the coiled material heating in solution is arranged and with the mode (patent documentation 2) of induction heating apparatus heating coiled material.
The ceiling crane in rolling plant house is generally used in the conveying of heating coiled material, owing to can't occupy crane, therefore also will slowly carry to rolling process, and coiled material can cool off in the rolling stand-by period, so the heating-up temperature of coiled material will be heated to more than the necessary temp.
In addition, therefore heater is difficult to guarantee the plant maintenance space owing to be provided with many near draw drum in batches, is difficult to guarantee security path, and the side of going into of rolling equipment complicates easily.
In addition, in heating dipping tank mode, the flaggy of coiled material immerses in the solution, when making coiled material pass through roll mill or jockey pulley, has solution on it attached on the rolling equipment from surface of steel plate, has the problem of equipment corrosion.
And then, existing from surface of steel plate to produce steam, control problem such as can't correctly handle with the image processing of video camera.
In addition, though also consider heater is arranged on patent documentation 3 before the roll mill etc., only the steel plate of the preceding equipment by heater is not heated like this, is in the high state of cracking sensitivity degree.In the preceding equipment of heater, have and correct into steel plate smooth so that have arbor press that the steel plate of the curvature of coiled material external diameter passes through easily etc., the problem that in arbor press, exists plate to break.
Summary of the invention
In order to address the above problem, technical scheme 1 described electromagnetic steel plate cold-rolling equipment of the present invention, it possesses: electromagnetic steel plate is carried out cold rolling roll mill; Discharge the draw drum of former coiled material to described press; And be configured in arbor press between described roll mill and the described draw drum, it is characterized in that,
Be provided with the preparation heater at described draw drum, and before described roll mill, be provided with heater.
The electromagnetic steel plate cold-rolling equipment of the technical solution of the present invention 2 that is used to address the above problem is characterized in that, with in the cold-rolling equipment, described preparation heater is to surround the cylinder of described draw drum and the box of coiled material at technical scheme 1 described electromagnetic steel plate.
The electromagnetic steel plate cold-rolling equipment of the technical solution of the present invention 3 that is used to address the above problem is characterized in that, uses in the cold-rolling equipment in technical scheme 1 or 2 described electromagnetic steel plates, and described preparation heater possesses storage heater.
The electromagnetic steel plate cold-rolling equipment of the technical solution of the present invention 4 that is used to address the above problem, it is characterized in that, with in the cold-rolling equipments, described preparation heater possesses warm liquid sprayer at technical scheme 1 or 2 described electromagnetic steel plates, also is provided with de-watering apparatus in the side that goes out of described draw drum.
In order to address the above problem, technical scheme 5 described electromagnetic steel plates of the present invention are characterised in that with cold rolling process, operation technique scheme 1 described electromagnetic steel plate cold-rolling equipment, utilize described preparation heater that described coiled material is prepared heating in described draw drum position, and then before described roll mill, utilize described heater that described electromagnetic steel plate is heated.
The invention effect
Owing to utilize the preparation heater that coiled material is prepared heating in the position of draw drum, therefore need not consider the time of delivery of heated coiled material and wait for that the temperature that rolling time causes descends.That is, need not provide unnecessary energy also passable.
Owing to the intensification of carrying out at the position of draw drum utilization preparation heater about 20 ℃, therefore the heat time heating time after just need not be so much, and therefore, 1 heater is just enough, need not add large equipment the space is set.
Steel plate by the arbor press that is provided with before the heater before roll mill is prepared heater preparation heating, is in the arbor press at the preceding equipment of heater, the problem that does not exist plate to break.
As the preparation heater, so long as the box that the cylinder of draw drum is surrounded just can effectively heat coiled material.
If the preparation heater possesses storage heater, residual with regard to not existing in the solution that becomes problem in the heating dipping tank mode, therefore, do not have solution during by roll mill or jockey pulley and be attached on the rolling equipment from surface of steel plate, there is not the problem of equipment corrosion.And then owing to do not produce steam from surface of steel plate, suitably processing controls is handled with the image of video camera.
If the preparation heater possesses warm liquid sprayer, then because heat transference efficiency is good, so shorten heat time heating time.
As warm liquid, as long as the cooling fluid when rolling is heated up, the heat riser cheapness of warm liquid, energy consumption is low.
By de-watering apparatus is set, can residual temperature liquid on the steel plate, there are not the etching problem of equipment and control to handle problems with camera review.
Description of drawings
Fig. 1 is the skeleton diagram of the electromagnetic steel plate of expression embodiments of the invention 1 with cold-rolling equipment;
Fig. 2 is the skeleton diagram of the electromagnetic steel plate of expression embodiments of the invention 2 with cold-rolling equipment;
Fig. 3 is the skeleton diagram of rolling preparatory stage of expression (the preparation heating of draw drum);
Fig. 4 is the skeleton diagram of rolling preparatory stage of expression (the preparation heating of roller);
Fig. 5 is the skeleton diagram in (first path) when representing rolling the beginning;
Fig. 6 be expression rolling in the skeleton diagram in (after second path);
Fig. 7 (a) is the process chart of the heating means of expression prior art, and Fig. 7 (b) is the process chart of the flow process that adds hot work of expression the inventive method.
Among the figure
The 1-draw drum;
The 2-roll mill
3,4-jockey pulley
The 5-arbor press
6-prepares heater
The 7-heater
The 8-coiled material
9-electromagnetic steel plate (steel plate)
The 10-de-watering apparatus
The specific embodiment
Below, as being used to implement embodiments of the present invention, the embodiment of referenced in schematic describes.
[embodiment 1]
Fig. 1 represents the electromagnetic steel plate cold-rolling equipment of embodiments of the invention 1.
As shown in Figure 1, electromagnetic steel plate (being designated hereinafter simply as steel plate) 9 is being carried out the front and back configuration jockey pulley 3,4 of cold rolling roll mill 2, described jockey pulley 3,4 can carry out batching and rolling out of coiled material, thereby it is rolling to carry out reversible, correct into smooth arbor press 5 at the electromagnetic steel plate 9 that the configuration of the place ahead of jockey pulley 3 is discharged the draw drum 1 of former coiled material and will be had the curvature of coiled material, be provided with preparation heater 6 in the draw drum position, and then between roll mill 2 and jockey pulley 3, dispose heater 7.
In addition, preparation heater 6 is kept out of the way out (with reference to figure 5) from draw drum 1 when discharging steel plate 9.
In addition, heater 7 is configurable between roll mill 2 and jockey pulley 3, also can be configured in the position between roll mill 2 and the draw drum 1 in addition.It can also be configured between jockey pulley 3 and the arbor press 5 when between roll mill 2 and jockey pulley 3, being difficult to guarantee the space.
And then heater 7 can also heat upper surface, or simultaneously upper and lower surface be heated except can heating the lower surface of steel plate 9.
The roll mill 2 that uses at present embodiment is six sections milling trains (mill), but is not limited thereto, and for example also can be suitable for 20 sections cluster mills (cluster mill).
To the electromagnetic steel plate of present embodiment using method (electromagnetic steel plate cold rolling process), describe with reference to figure 3～Fig. 6 with cold-rolling equipment with said structure.
Fig. 3 and Fig. 4 represent the rolling preparatory stage.
At first, as shown in Figure 3, heat in advance with 6 pairs of draw drums 1 of preparation heater.The preparation heating is to send into 200 ℃ to 300 ℃ hot blast in case from storage heater.
Below, as shown in Figure 4, the coiled material after the pickling just 8 is inserted draw drum 1, heat with preparation 6 pairs of draw drums 1 of heater and coil 8.
The internal layer portion of coil 8 the stage that coiled material 8 is installed to draw drum 1 by coiled material 8 and 1 of draw drum contact heat transmission, the heat of draw drum 1 is discharged to coiled material 8, thereby causes the temperature rising of steel plate.
In addition, temperature rises under the effect of 200 ℃ to 300 ℃ the hot blast of the outer portion of coiled material 8 in case.
Therefore, add in preparation and to pine for, mainly the internal layer portion and the outer portion of coiled material 8 are heated.This is because when transporting rolls, and the internal layer portion of coiled material 8 and the temperature of outer portion descend big.
At this, the internal layer portion of so-called coiled material 8 is meant the front of the steel plate 9 that rolls out from draw drum 1, and in addition, the outer portion of so-called coiled material 8 is meant the rear end side of the steel plate 9 that to the last is wound up on the draw drum 1.The front of so-called steel plate 9 for example is meant that from draw drum 1 to heater the rear end side of so-called steel plate 9 is meant the meaning that it is opposite 7.
Fig. 5 is the figure in (first path) when representing rolling the beginning.
At first, as shown in Figure 5, in order to roll out steel plate from draw drum 1, preparation heater 6 is backed out from draw drum 1.
Then, the steel plate 9 with curvature of coiled material is corrected to smooth by arbor press 5.
At this moment, though steel plate 9 is carried out the correcting of alternating bending, owing to prepare heating, so plate can not break.
Afterwards, under the effect of the heater 7 before being arranged at roll mill 2, steel plate 9 is heated to the temperature of not breaking when rolling.At roll mill 2 rolled plates 9, batch steel plate 9 at jockey pulley 4.
Fig. 6 be expression rolling in the figure in (second path).
At first, as shown in Figure 6, steel plate 9 is rolled out, carry out rollback, steel plate 9 repeat-rollings are arrived the thickness of regulation with roll mill 23,4 of jockey pulleys.
In this is rolling, Yi Bian heat draw drum 1 and next coiled material 8 with preparation heater 6, Yi Bian wait for next rolling beginning.If heater 7 is configured between roll mill 2 and the jockey pulley 3, the steel plate 9 in (after second path) in the then all right heating rolling.
After the rolling end of last coiled material, beginning Fig. 5's is rolling, carries out described operation repeatedly.
Electromagnetic steel plate with reference to 7 pairs of above-mentioned present embodiments of figure compares explanation with cold rolling process and prior art.
The heating means of Fig. 7 (a) expression prior art, the flow process that adds hot work of Fig. 7 (b) expression the inventive method.
Existing heating means are shown in Fig. 7 (a), and after the pickling of steel plate, at coiled material field normal temperature keeping coiled material, using in batches, heater heats coiled material so that the cracking sensitivity degree reduction of steel plate is rolled afterwards in batches.
That is, 70～80 ℃ steel plate the time becomes 10～30 ℃ in the coiled material field with the normal temperature keeping in pickler, is heated to 80～100 ℃ by heater in batches, and afterwards, transporting rolls becomes 60～80 ℃ when rolling waiting for, is rolled afterwards.
In these existing heating means, if it is rolling to will begin in a minute soon after roll transfer, though then the temperature of steel plate descends few, but in the stage of carrying new coiled material to draw drum, also in rolling, under the situation of the dedicated transport equipment that does not have coiled material, senior general's coiled material was placed on the coiled material field about one hour to old coiled material, the heat of coiled material is discharged in draw drum and the outside atmosphere, and the temperature of coiled material descends.
With respect to this, according to the inventive method, shown in Fig. 7 (b), behind steel plate acid-washing, roll transfer is arrived draw drum soon at once, when old coiled material is heated to the temperature that plate does not break with preparation heater (equipment roll mill before) with coiled material in rolling, can when rolling begin, before roll mill, be heated to the temperature of not breaking when rolling.
That is, 70～80 ℃ steel plate becomes 40～60 ℃ when transporting rolls in pickler, in rolling equipment, with the preparation heater its preparation is heated to 60～80 ℃, and then, be rolled after being heated to 60～80 ℃ with heater.
At this, when transporting rolls, because the temperature of the internal layer portion of coiled material 8 and outer portion descends greatly, so prepare when heating, mainly to the internal layer portion and the outer portion of coiled material 8, in other words front and the rear end side to steel plate 9 heats.
[embodiment 2]
Fig. 2 represents the electromagnetic steel plate cold-rolling equipment of embodiments of the invention 2.
The preparation heater 6 that present embodiment relates to draw drum 1 possesses the rolling equipment of the situation of warm liquid sprayer (spray).
Promptly, preparation heater 6 is boxes that cylinder and former coiled material 8 with draw drum 1 are surrounded, the preparation heater 6 of this box has warm liquid sprayer (diagram omit), and this temperature liquid sprayer is sent into the warm liquid that cooling fluid that the roller when rolling is cooled off further heats up.
In addition, in order to discharge the warm liquid that is attached to surface of steel plate, between draw drum 1 and arbor press 5, dispose de-watering apparatus 10.
Other structures are identical with described embodiment 1, for same structure mark same-sign, omit repeat specification.
With reference to figure 3～Fig. 6 the using method (electromagnetic steel plate cold rolling process) of the electromagnetic steel plate of the present embodiment with said structure with cold-rolling equipment is described.
Fig. 3 and Fig. 4 represent the rolling preparatory stage.
At first, as shown in Figure 3, prepare heating with 6 pairs of draw drums 1 of preparation heater.
Preparation heating is to send into 80 ℃ to 90 ℃ warm liquid in case with spray pattern from warm liquid sprayer.
Temperature liquid uses is the warm liquid that the roller cooling when rolling is further heated up with cooling fluid.The temperature of the cooling fluid that pair roller cools off is 50 ℃ to 60 ℃, makes it be warmed up to 90 ℃ from 80 ℃ with heat riser.
The internal layer portion of coiled material 8 the stage that coiled material 8 is installed to draw drum 1 by coiled material 8 and 1 of draw drum contact heat transmission, the heat of draw drum 1 is discharged to coiled material 8, thereby causes the temperature rising of steel plate.
In addition, cause under the effect of 80 ℃ to 90 ℃ the warm liquid of the outer portion of coiled material 8 in case that temperature rises.
Therefore, add in preparation and to pine for, mainly the internal layer portion and the outer portion of coiled material 8 are heated.This is because when transporting rolls, and the internal layer portion of coiled material 8 and the temperature of outer portion descend big.
Below, as shown in Figure 4, soon coiled material 8 after the pickling is just inserted draw drums 1, heat with preparing 6 pairs of draw drums 1 of heater and coil 8.
The internal layer portion of coil 8 the stage that coiled material 8 is installed to draw drum 1 by coiled material 8 and 1 of draw drum contact heat transmission, the heat of draw drum 1 is discharged to coiled material 8, thereby causes the temperature rising of steel plate.
In addition, the outer portion of coiled material 8 causes that under the effect of warm liquid sprayer temperature rises.
The warm liquid that will be used for the heating of draw drum 1 and coiled material 8 in case reclaims, and gets back to cooler with the roller cooling with cooling fluid, and cooling is reused with cooling fluid as roller.
Fig. 5 is the figure in (first path) when representing rolling the beginning.
At first, as shown in Figure 5, in order to roll out steel plate from draw drum 1, preparation heater 6 is backed out from draw drum 1.
And steel plate 9 is removed the warm liquid that is attached to surface of steel plate by de-watering apparatus 10.
Then, the steel plate 9 with curvature of coiled material is corrected to smooth by arbor press 5.
At this moment, though steel plate 9 is carried out the correcting of alternating bending, owing to prepare heating, so plate can not break.
Later method is identical with embodiment shown in Figure 11.
[with the contrast of patent documentation 1,2,3]
＜with the contrast of the milling method and the equipment of material " difficult processing " of patent documentation 1
In patent documentation 1, owing to need carry after heating, so must consider that temperature descends, heating-up temperature uprises.
With respect to this, in the present invention, shown in Fig. 7 (b),, therefore need not consider to carry the temperature that causes to descend owing to prepare heating at rolling equipment (draw drum portion).
In the heating dipping tank mode of patent documentation 1, the heat time heating time of coiled material, needs were about 8～12 hours, if the rolling required time of a coiled material was made as 1 hour, then one took turns the heating dipping tank of operation needs more than 8.Therefore, need make equipment that the space is set and become big, be difficult to guarantee the plant maintenance requisite space, be difficult to guarantee security path, and the side of going into of roll mill equipment complicate easily.
With respect to this, in the present invention, owing to carry out intensification about 20 ℃, so do not need heat time heating time so muchly in draw drum portion, 1 heater is just enough, need not add large equipment the space is set.
In the heating dipping tank mode of patent documentation 1, can produce the problem of equipment corrosion when heat medium is liquid or produce steam, be easy to generate control and problem such as also can't suitably handle with the image processing of video camera.
With respect to this, in the present invention, owing to be provided with de-watering apparatus in the side that goes out of draw drum, so be difficult to have problems.
＜with the contrast of " equipment of hot rolling " of patent documentation 2
In patent documentation 2, owing to need the heating back to carry, so must consider that temperature descends, heating-up temperature uprises.
With respect to this, in the present invention,, therefore need not consider to carry the temperature that causes to descend owing to heat at rolling equipment (draw drum portion).
In the induction heating apparatus of patent documentation 2, the heat time heating time of coiled material, needs were about 0.25 to 2 hour, if the rolling required time of a coiled material was made as 1 hour, then as the induction heating apparatus of heater needs more than 2.
Therefore, need make equipment that the space is set and become big, be difficult to guarantee the plant maintenance requisite space, be difficult to guarantee security path, and the side of going into of roll mill equipment complicate easily.
With respect to this, in the present invention, because as long as carry out intensification about 20 ℃, so do not need heat time heating time so muchly in draw drum portion, 1 heater is just enough, need not add large equipment the space is set.
＜with the contrast of " cold rolling process of metal belt plate " of patent documentation 3
In patent documentation 3, though before will being arranged on roll mill based on the heater of hot plasma, before heater, be not heated the problem that exists plate to break.
With respect to this, therefore the present invention can prevent that plate breaks when arbor press is corrected owing to be provided with the preparation heater in draw drum portion.
Industrial applicibility
The electromagnetic steel plate that the present invention improves as descending for the incidence that plate is broken industrially can extensively utilize with cold-rolling equipment and milling method.
Claims (5)
1. electromagnetic steel plate cold-rolling equipment, it possesses: electromagnetic steel plate is carried out cold rolling roll mill; Discharge the draw drum of former coiled material to described press; And be configured in arbor press between described roll mill and the described draw drum, it is characterized in that,
Be provided with the preparation heater at described draw drum, and before described roll mill, be provided with heater.
2. electromagnetic steel plate cold-rolling equipment as claimed in claim 1 is characterized in that,
Described preparation heater is to surround the cylinder of described draw drum and the box of coiled material.
3. electromagnetic steel plate cold-rolling equipment as claimed in claim 1 or 2 is characterized in that,
Described preparation heater possesses storage heater.
4. electromagnetic steel plate cold-rolling equipment as claimed in claim 1 or 2 is characterized in that,
Described preparation heater possesses warm liquid sprayer, also is provided with de-watering apparatus in the side that goes out of described draw drum.
5. an electromagnetic steel plate cold rolling process is characterized in that,
Use the described electromagnetic steel plate cold-rolling equipment of claim 1, utilize described preparation heater that described coiled material is prepared heating in described draw drum position, and then before described roll mill, utilize described heater that described electromagnetic steel plate is heated.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009233958A JP5486261B2 (en) | 2009-10-08 | 2009-10-08 | Cold rolling equipment and rolling method for electrical steel sheet |
| JP2009-233958 | 2009-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102029289A true CN102029289A (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010289748XA Pending CN102029289A (en) | 2009-10-08 | 2010-09-20 | Cold rolling apparatus for electromagnetic steel sheet and rolling method |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5486261B2 (en) |
| KR (1) | KR101233916B1 (en) |
| CN (1) | CN102029289A (en) |
| BR (1) | BRPI1004025A2 (en) |
| DE (1) | DE102010047938B4 (en) |
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| CN102699026A (en) * | 2012-06-04 | 2012-10-03 | 苏州先端稀有金属有限公司 | Molybdenum plate roll cold rolling equipment |
| CN110434171A (en) * | 2019-07-16 | 2019-11-12 | 北京科技大学 | A kind of band tension continuous rolling method of high silicon steel |
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| JP5940900B2 (en) * | 2012-06-07 | 2016-06-29 | Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 | Cold rolling equipment |
| CN105828964B (en) * | 2014-02-27 | 2018-03-13 | 伊万·季莫费耶维奇·托茨基 | The method for carrying out cold rolling with rerolling quality steel stocking |
| DE102019110271A1 (en) * | 2019-04-18 | 2020-01-02 | Primetals Technologies Austria GmbH | Cold rolling mill with alternative feeding of a steel strip in two different ways |
| DE102021202457A1 (en) | 2021-03-15 | 2022-09-15 | Sms Group Gmbh | Plant and method for cold rolling metal strip from steel |
| JP7111217B1 (en) | 2021-04-30 | 2022-08-02 | Ｊｆｅスチール株式会社 | Cold-rolled steel sheet manufacturing method and manufacturing equipment |
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- 2010-09-24 KR KR1020100092805A patent/KR101233916B1/en active IP Right Grant
- 2010-10-06 BR BRPI1004025 patent/BRPI1004025A2/en not_active Application Discontinuation
- 2010-10-08 DE DE102010047938.1A patent/DE102010047938B4/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102699026A (en) * | 2012-06-04 | 2012-10-03 | 苏州先端稀有金属有限公司 | Molybdenum plate roll cold rolling equipment |
| CN102699026B (en) * | 2012-06-04 | 2015-05-13 | 苏州先端稀有金属有限公司 | Molybdenum plate roll cold rolling equipment |
| CN110434171A (en) * | 2019-07-16 | 2019-11-12 | 北京科技大学 | A kind of band tension continuous rolling method of high silicon steel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011079025A (en) | 2011-04-21 |
| DE102010047938B4 (en) | 2019-08-14 |
| JP5486261B2 (en) | 2014-05-07 |
| KR20110038580A (en) | 2011-04-14 |
| BRPI1004025A2 (en) | 2013-02-19 |
| KR101233916B1 (en) | 2013-02-15 |
| DE102010047938A1 (en) | 2011-07-07 |
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Application publication date: 20110427 |