CN106583463B - A method of reduction pickling Continuous Cold Rolled Strip takes the lead to upwarp - Google Patents
A method of reduction pickling Continuous Cold Rolled Strip takes the lead to upwarp Download PDFInfo
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- CN106583463B CN106583463B CN201611066838.6A CN201611066838A CN106583463B CN 106583463 B CN106583463 B CN 106583463B CN 201611066838 A CN201611066838 A CN 201611066838A CN 106583463 B CN106583463 B CN 106583463B
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- rack
- strip
- upwarp
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- rolling
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
- B21B37/44—Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
- B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
Abstract
The present invention provides a kind of method for taking the lead to upwarp for reducing pickling Continuous Cold Rolled Strip, the strip is rolled using Multi-stand continuous rolling mill group, and described method includes following steps: adjusting the temperature of rack inlet emulsion to 60-65 DEG C；The injection pressure of final stage rack inlet emulsion is adjusted to 600-900KPa, adjusts the injection pressure of prime rack inlet emulsion to 700-900KPa.The present invention solves the problems, such as that strip uncoiling upwarps, and the plate shape value of strip is controlled within the scope of 10~40IU；Improve the stability in the strip shape quality and the operation of rolling of product.
Description
Technical field
The invention belongs to belt steel rolling technology fields more particularly to a kind of pickling Continuous Cold Rolled Strip of reducing to take the lead
The method stuck up.
Background technique
It come rolled band steel is currently used steel cold rolling processing technology, typical pickling by pickling cold continuous rolling production line
Continuous cold rolling process generally comprises: uncoiling, straightening, pickling, is rolled and is batched welding, and unit equipment used generally includes: opening
Volume machine, welding machine, entry loop, withdrawal straightening machine, descaling bath, outlet looping, tandem mill and coiling machine.
In the tandem mills operation of rolling, strip to take the lead to upwarp be common problem, such as acid rolls the high trade mark
When non-orientation silicon steel, high grade non-oriented silicon steel hot rolled coil yield strength reaches 400-550MPa, total reduction 80.7%-
86.5%, maximum rolling force is close to 1600 tons, and Final Stand Rolling power reaches 1100 tons or more, and Strip Shape Control difficulty is very big, thus
It easily takes the lead to upwarp in continuous annealing entrance uncoiling when acid rolls, pinch roller position easily steel-fastening before welding, and causes central sections reduction of speed.
Therefore, the adjustment that strip upwarps equal plates shape directly influences the stability in the strip shape quality and the operation of rolling of product.
Summary of the invention
In view of the above-mentioned problems, taking the lead to upwarp the main purpose of the present invention is to provide a kind of reduction pickling Continuous Cold Rolled Strip
Method, solve the problems, such as that strip uncoiling upwarps, the plate shape value of strip controlled within the scope of 10~40IU.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of reduce taking the lead for pickling Continuous Cold Rolled Strip
The method upwarped, the strip are rolled using Multi-stand continuous rolling mill group, and described method includes following steps:
The temperature of rack inlet emulsion is adjusted to 60-65 DEG C；
The injection pressure of final stage rack inlet emulsion is adjusted to 600-900KPa, adjusts the emulsification of prime rack inlet
The injection pressure of liquid is to 700-900KPa.
As a further preference, the temperature for adjusting rack inlet emulsion includes: to adjust emulsion cleaning box
And the temperature of injection line.
As a further preference, the method also includes:
The working roll roller diameter of the rack is adjusted to 390mm-410mm；
The roughness of the rack working roll is adjusted to 0.3-0.5 μm.
As a further preference, the method also includes: carry out hot-rolling before the rolling, it is 5-8 volumes that hot-rolling, which rolls up number,.
As a further preference, the method also includes: adjust rack roll gap and adjust weld seam shear velocity to 190-
220mpm。
As a further preference, the multi-frame is five racks, including first, second, third, fourth and the 5th machine
Frame.
As a further preference, the entrance emulsion for adjusting the third rack and the 4th rack sprays pressure to 700-
900KPa, the entrance emulsion for adjusting the 5th rack spray pressure to 600-900KPa.
As a further preference, adjust the working roll roller diameter of first rack, the second rack and third rack to
390mm-410mm adjusts the working roll roller diameter of the 4th rack and the 5th rack to 390mm-400mm.
As a further preference, 0.4-0.5 μm of the working roll roughness of the 4th rack is adjusted, adjusts the described 5th
0.3-0.4 μm of the working roll roughness of rack.
As a further preference, the method also includes: after weld seam reaches the third rack, when the 4th rack
Roll-force is more than 1300 ton hours, clicks open the 4th rack roll gap manually；When the 5th rack roll-force is more than 1100
Ton hour is clicked open the 5th rack roll gap manually, and the roll-force of the 4th and the 5th rack is reduced, and guarantees the described 5th
Rack outlet plate shape is stablized, and stops manual operation after weld seam shearing, is raised speed immediately to 400-600mpm.
As a further preference, the plate shape value of the pickling Continuous Cold Rolled Strip is 10~40IU.
As a further preference, the strip is high grade non-oriented silicon steel.
The beneficial effects of the present invention are:
(1) the present invention is ejected into the temperature of the emulsion with steel plate surface by the lubricating system of control cold rolling by adjusting
Degree promotes plate face temperature, and adjusts injection pressure and be ejected into the emulsion dosage of plate face to increase and improve lubricant effect,
Thus reduce the degree of punching shear, while reduce strip take the lead upwarp problem.
(2) present invention is by adjusting the requirement of roll, i.e. the adjusting roller diameter of working roll, roughness and before the rolling
Hot-rolling is carried out, roll-force is reduced.
(3) present invention is further adjusted weld seam and shear velocity, also reduces roll-force, the strip warp after rolling
The plate shape value in two channels of its edge that plate profile instrument is shown can control within the scope of 10~40IU, improve board surface quality.
Detailed description of the invention
Fig. 1 is the flow diagram for the method for taking the lead to upwarp that the embodiment of the present invention reduces pickling Continuous Cold Rolled Strip.
Fig. 2 is the plate shape of strip after the method for taking the lead to upwarp for reducing pickling Continuous Cold Rolled Strip using the embodiment of the present invention 1
It is worth schematic diagram.
Fig. 3 is the plate shape of strip after the method for taking the lead to upwarp for reducing pickling Continuous Cold Rolled Strip using the embodiment of the present invention 5
It is worth schematic diagram.
Specific embodiment
The present invention solves in strip uncoiling by providing a kind of method for taking the lead to upwarp for reducing pickling Continuous Cold Rolled Strip
The problem of sticking up controls the plate shape value of strip within the scope of 10~40IU；So as to avoid the center of continuous annealing caused by entrance steel-fastening
Section reduction of speed improves the stability that acid rolls rolled band steel annealing.
In order to solve drawbacks described above, the main thought of the embodiment of the present invention is:
As shown in Figure 1, the embodiment of the present invention reduces the method for taking the lead to upwarp of pickling Continuous Cold Rolled Strip, the strip is used
The rolling of Multi-stand continuous rolling mill group, described method includes following steps:
Step S01: the temperature of rack inlet emulsion is adjusted to 60-65 DEG C；
Step S02: the injection pressure of final stage rack inlet emulsion is adjusted to 600-900KPa, prime rack is adjusted and enters
The injection pressure of emulsion is to 700-900KPa at mouthful.
The process flow of typical pickling Continuous Cold Rolled Strip generally include uncoiling, welding, straightening, pickling, rolling, shearing and
It batches.Wherein, uncoiling, welding, straightening and pickling are the preparation processes of tandem rolling, and rolling is main process, shearing and volume
Take be the operation of rolling end.
Multi-stand continuous rolling mill group described in the embodiment of the present invention is usually five racks or four rack tandem rolling modes, in each machine
Frame is equipped with a set of cooling roll and lubricates the emulsion system of strip, for controlling the plate shape of strip, while can be in final stage
Plate profile instrument is set behind rack, for measuring the plate shape deviation of finished strip, mainly measures of the strip along cross-sectional direction
The control amount of calculated result is passed through the processing of journey machine, to working roll by stress distribution, the calculating by mathematical model to stress distribution
The positive bending system of positive and negative bending system, intermediate calender rolls, intermediate calender rolls axial float system and emulsion system export control amount, improve at
The plate shape of product strip.The plate shape value in two channels of finished strip edge that the embodiment of the present invention is shown by plate profile instrument 10~
Within the scope of 40IU.
The embodiment of the present invention is ejected into the temperature of the emulsion with steel plate surface by adjusting to promote plate face temperature to control
Plate shape, adjusting emulsion temperature can be used various ways, such as adjust the temperature of emulsion cleaning box, injection line；Simultaneously originally
Inventive embodiments, which can increase, is ejected into the emulsion dosage with steel plate surface to improve lubricity, such as improves emulsion jet pressure
The injection pressure of power, the emulsion of final stage rack is small than the injection pressure of prime rack, and final stage rack is usually the essence of strip
It rolls.
Strip when continuous rolling, can reduce roll-force by adjusting the requirement of roll in multi-frame with control panel
Shape, such as adjust the roller diameter of working roll, roughness and carry out hot-rolling before the rolling, to reduce deformation extent.
Welding is to realize that continuous rolling, i.e. welding machine weld the tail portion of previous coil of strip and the head of the latter coil of strip
It is connected together.Weld seam and shear velocity can also be adjusted in the embodiment of the present invention, and to reduce roll-force, such as some rack is rolled
When power processed is excessive, the roll gap of rack is opened.
In order to which above and other purpose, feature and the advantage of the present invention can be clearer and more comprehensible, several implementations are cited below particularly
Example, to illustrate the method for taking the lead to upwarp of reduction pickling Continuous Cold Rolled Strip of the present invention.
Embodiment 1
The high grade non-oriented silicon steel parameter that the embodiment of the present invention 1 uses is as follows:
The 35W300 trade mark, hot rolling raw thickness 2.6mm, chill volume thickness 0.35mm, acid, which rolls, carries out five rack tandem rollings, stagnation pressure
Lower rate=86.5%, strip width=1180mm.
The embodiment of the present invention 1 reduces the method for taking the lead to upwarp of pickling Continuous Cold Rolled Strip, and the strip is connected using five racks
The rolling of milling train group, described method includes following steps:
Step S101: the temperature of rack inlet emulsion is adjusted to 63 DEG C；
Step S102: adjusting third, the injection pressure of the 4th rack inlet emulsion to 750KPa, adjusts the 5th rack
The injection pressure of inlet emulsion is to 650KPa.
As shown in Fig. 2, the plate shape value in 1 finished strip edge of the present embodiment, two channels that plate profile instrument is shown is in 10~40IU
In range.
Embodiment 2
The high grade non-oriented silicon steel parameter that the embodiment of the present invention 2 uses is as follows:
The 35W300 trade mark, hot rolling raw thickness 2.6mm, chill volume thickness 0.35mm, acid, which rolls, carries out five rack tandem rollings, stagnation pressure
Lower rate=86.5%, strip width=1180mm.
The embodiment of the present invention 2 reduces the method for taking the lead to upwarp of pickling Continuous Cold Rolled Strip, and the strip is connected using five racks
The rolling of milling train group, described method includes following steps:
Step S201: the temperature of rack inlet emulsion is adjusted to 60 DEG C；Described adjust includes adjusting emulsion
The temperature of cleaning box and injection line；
Step S202: adjusting third, the injection pressure of the 4th rack inlet emulsion to 700KPa, adjusts the 5th rack
The injection pressure of inlet emulsion is to 600KPa.
Step S203: adjust the first, second, third rack working roll roller diameter be respectively 394.07mm, 403.14,
391.70mm, the working roll roller diameter of the four, the 5th racks is in 389.82mm, 395.1mm；
Step S204: the working roll roughness for adjusting the 4th rack is 0.45 μm, and the working roll of the 5th rack is coarse
Degree is 0.35 μm.
The plate shape value in 2 finished strip edge of the present embodiment, two channels that plate profile instrument is shown is within the scope of 10~40IU.
Embodiment 3
The silicon steel parameter that the embodiment of the present invention 3 uses is as follows:
The 35W550 trade mark, hot rolling raw thickness 2.6mm, chill volume thickness 0.35mm, acid, which rolls, carries out five rack tandem rollings, stagnation pressure
Lower rate=86.5%, strip width=1200mm.
The embodiment of the present invention 3 reduces the method for taking the lead to upwarp of pickling Continuous Cold Rolled Strip, and the strip is connected using five racks
The rolling of milling train group, described method includes following steps:
Step S301: the temperature of rack inlet emulsion is adjusted to 65 DEG C；Described adjust includes adjusting emulsion
The temperature of cleaning box and injection line；
Step S302: adjusting third, the injection pressure of the 4th rack inlet emulsion to 800KPa, adjusts the 5th rack
The injection pressure of inlet emulsion is to 700KPa.
Step S303: adjust the first, second, third rack working roll roller diameter be respectively 398.07mm, 408.14,
395.70mm, the working roll roller diameter of the four, the 5th racks is in 392.82mm, 398.1mm；
Step S304: the working roll roughness for adjusting the 4th rack is 0.45 μm, and the working roll of the 5th rack is coarse
Degree is 0.30 μm.
Step S305: carrying out hot-rolling before high grade non-oriented silicon steel rolling, hot-rolling rolls up number=8 volume.
The plate shape value in 3 finished strip edge of the present embodiment, two channels that plate profile instrument is shown is within the scope of 10~30IU.
Embodiment 4
The silicon steel parameter that the embodiment of the present invention 4 uses is as follows:
The 35W440 trade mark, hot rolling raw thickness 2.3mm, chill volume thickness 0.35mm, acid, which rolls, carries out five rack tandem rollings, stagnation pressure
Lower rate=84.7%, strip width=1150mm.
The embodiment of the present invention 4 reduces the method for taking the lead to upwarp of pickling Continuous Cold Rolled Strip, and the strip is connected using five racks
The rolling of milling train group, described method includes following steps:
Step S401: the temperature of rack inlet emulsion is adjusted to 64 DEG C；Described adjust includes adjusting emulsion
The temperature of cleaning box and injection line；
Step S402: adjusting third, the injection pressure of the 4th rack inlet emulsion to 900KPa, adjusts the 5th rack
The injection pressure of inlet emulsion is to 800KPa.
Step S403: adjust the first, second, third rack working roll roller diameter be respectively 400.02mm, 409.16,
396.80mm, the working roll roller diameter of the four, the 5th racks is in 395.62mm, 400.60mm；
Step S404: the working roll roughness for adjusting the 4th rack is 0.50 μm, and the working roll of the 5th rack is coarse
Degree is 0.35 μm.
Step S405: carrying out hot-rolling before high grade non-oriented silicon steel rolling, hot-rolling rolls up number=5 volume.
Step S406: adjusting weld seam shear velocity is 200mpm.
The plate shape value in 4 finished strip edge of the present embodiment, two channels that plate profile instrument is shown is within the scope of 10~30IU.
Embodiment 5
The high grade non-oriented silicon steel parameter that the embodiment of the present invention 5 uses is as follows:
The 35W300 trade mark, hot rolling raw thickness 2.6mm, chill volume thickness 0.35mm, acid, which rolls, carries out five rack tandem rollings, stagnation pressure
Lower rate=86.5%, strip width=1180mm.
The embodiment of the present invention 5 reduces the method for taking the lead to upwarp of pickling Continuous Cold Rolled Strip, and the strip is connected using five racks
The rolling of milling train group, described method includes following steps:
Step S501: the temperature of rack inlet emulsion is adjusted to 62 DEG C；Described adjust includes adjusting emulsion
The temperature of cleaning box and injection line；
Step S502: adjusting third, the injection pressure of the 4th rack inlet emulsion to 750KPa, adjusts the 5th rack
The injection pressure of inlet emulsion is to 650KPa.
Step S503: adjust the first, second, third rack working roll roller diameter be respectively 394.07mm, 403.14,
391.70mm, the working roll roller diameter of the four, the 5th racks is in 389.82mm, 395.1mm；
Step S504: the working roll roughness for adjusting the 4th rack is 0.45 μm, and the working roll of the 5th rack is coarse
Degree is 0.35 μm.
Step S505: carrying out hot-rolling before high grade non-oriented silicon steel rolling, hot-rolling rolls up number=8 volume.
Step S506: adjusting weld seam shear velocity is 190mpm.
Step S507: it after weld seam reaches third rack, when the 4th rack roll-force is more than 1100 ton hours, clicks manually
Open the 4th rack roll gap；When the 5th rack roll-force is more than 1100 ton hours, the 5th machine is opened in click manually
Frame roll gap reduces the 4th and the 5th rack roll-force, guarantees that the 5th rack outlet plate shape is stablized, and stops behaviour manually after weld seam shearing
Make, is raised speed immediately to 400mpm or more.The roll-force of each rack see the table below 1:
Table 1
| Shelf number | 1# rack | 2# rack | 3# rack | 4# rack | 5# rack |
| Roll-force/ton | 1408.6 | 1403.5 | 1410.8 | 1295.1 | 1066.4 |
As shown in figure 3, the plate shape value in 5 finished strip edge of the present embodiment, two channels that plate profile instrument is shown is in 10-30IU
Left and right.
Embodiment 6
The silicon steel parameter that the embodiment of the present invention 6 uses is as follows:
The 35W440 trade mark, hot rolling raw thickness 2.6mm, chill volume thickness 0.35mm, acid, which rolls, carries out five rack tandem rollings, stagnation pressure
Lower rate=86.5%, strip width=1120mm.
The embodiment of the present invention 6 reduces the method for taking the lead to upwarp of pickling Continuous Cold Rolled Strip, and the strip is connected using four racks
The rolling of milling train group, described method includes following steps:
Step S601: the temperature of rack inlet emulsion is adjusted to 63 DEG C；Described adjust includes adjusting emulsion
The temperature of cleaning box and injection line；
Step S602: the injection pressure of second, third rack inlet emulsion is adjusted to 750KPa, adjusts the 4th rack
The injection pressure of inlet emulsion is to 650KPa.
Step S603: the working roll roller diameter for adjusting the first, second rack is respectively 399.16,392.62mm, third, the 4th
The working roll roller diameter of rack is in 391.80mm, 398.5mm；
Step S604: the working roll roughness for adjusting the third rack is 0.48 μm, and the working roll of the 4th rack is coarse
Degree is 0.38 μm.
Step S605: carrying out hot-rolling before high grade non-oriented silicon steel rolling, hot-rolling rolls up number=6 volume.
Step S606: adjusting weld seam shear velocity is 220mpm.
Step S607: it after weld seam reaches the second rack, when the third rack roll-force is more than 1100 ton hours, clicks manually
Open the third rack roll gap；When the 4th rack roll-force is more than 1100 ton hours, the 4th machine is opened in click manually
Frame roll gap reduces the third and fourth rack roll-force, guarantees that the 4th rack outlet plate shape is stablized, and stops behaviour manually after weld seam shearing
Make, is raised speed immediately to 400mpm or more.
The plate shape value in 6 finished strip edge of the present embodiment, two channels that plate profile instrument is shown is within the scope of 10~40IU.
Technical solution in above-mentioned the embodiment of the present application, at least have the following technical effects or advantages:
(1) the present invention is ejected into the temperature of the emulsion with steel plate surface by the lubricating system of control cold rolling by adjusting
Degree promotes plate face temperature, and adjusts injection pressure and be ejected into the emulsion dosage of plate face to increase and improve lubricant effect,
Thus reduce the degree of punching shear, while reduce strip take the lead upwarp problem.
(2) present invention is by adjusting the requirement of roll, i.e. the adjusting roller diameter of working roll, roughness and before the rolling
Hot-rolling is carried out, roll-force is reduced.
(3) present invention is further adjusted weld seam and shear velocity, also reduces roll-force, the strip warp after rolling
The plate shape value in two channels of its edge that plate profile instrument is shown can control within the scope of 10~40IU, improve board surface quality.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.Obviously, those skilled in the art can be to the present invention
Carry out various modification and variations without departing from the spirit and scope of the present invention.If in this way, these modifications and changes of the present invention
Within the scope of the claims of the present invention and its equivalent technology, then the present invention is also intended to encompass these modification and variations and exists
It is interior.
Claims (7)
1. a kind of method for taking the lead to upwarp for reducing pickling Continuous Cold Rolled Strip, the strip are rolled using Multi-stand continuous rolling mill group,
It is characterized by: described method includes following steps:
The temperature of rack inlet emulsion is adjusted to 60-65 DEG C, described adjust includes adjusting emulsion cleaning box and spray
Penetrate the temperature of pipeline；
The injection pressure of final stage rack inlet emulsion is adjusted to 600-900KPa, adjusts prime rack inlet emulsion
Pressure is sprayed to 700-900KPa；
Hot-rolling is carried out before the rolling, and it is 5-8 volumes that hot-rolling, which rolls up number,；
It adjusts rack roll gap and adjusts weld seam shear velocity to 190-220mpm.
2. the method according to claim 1 that take the lead to upwarp for reducing pickling Continuous Cold Rolled Strip, it is characterised in that: the side
Method further include:
The working roll roller diameter of the rack is adjusted to 390mm-410mm；
The roughness of the rack working roll is adjusted to 0.3-0.5 μm.
3. the method according to claim 1 or 2 that take the lead to upwarp for reducing pickling Continuous Cold Rolled Strip, it is characterised in that: institute
Stating multi-frame is five racks, including first, second, third, fourth and the 5th rack.
4. the method according to claim 3 that take the lead to upwarp for reducing pickling Continuous Cold Rolled Strip, it is characterised in that: adjust institute
The entrance emulsion for stating third rack and the 4th rack sprays pressure to 700-900KPa, adjusts the entrance cream of the 5th rack
Change liquid and sprays pressure to 600-900KPa.
5. the method according to claim 3 that take the lead to upwarp for reducing pickling Continuous Cold Rolled Strip, it is characterised in that: adjust institute
The working roll roller diameter of the first rack, the second rack and third rack is stated to 390mm-410mm, adjusts the 4th rack and the 5th
The working roll roller diameter of rack is to 390mm-400mm.
6. the method according to claim 3 that take the lead to upwarp for reducing pickling Continuous Cold Rolled Strip, it is characterised in that: adjust institute
0.4-0.5 μm of the working roll roughness of the 4th rack is stated, 0.3-0.4 μm of the working roll roughness of the 5th rack is adjusted.
7. the method according to claim 3 that take the lead to upwarp for reducing pickling Continuous Cold Rolled Strip, it is characterised in that: the side
Method further include: after weld seam to the third rack, when the 4th rack roll-force is more than 1300 ton hours, institute is opened in click manually
State the 4th rack roll gap；When the 5th rack roll-force is more than 1100 ton hours, the 5th rack roll gap is opened in click manually.
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| CN113787098B (en) * | 2021-07-20 | 2022-12-23 | 马鞍山钢铁股份有限公司 | Acid pickling cold rolling method for high-strength steel with tensile strength of 780MPa |
| CN113500098B (en) * | 2021-08-20 | 2023-04-07 | 山西太钢不锈钢股份有限公司 | Method for eliminating rolling chromatic aberration of ultrapure ferrite stainless steel by five-rack six-roller continuous rolling mill |
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| CN103934291A (en) * | 2013-01-21 | 2014-07-23 | 宝山钢铁股份有限公司 | Lubricating method for rolling of stainless steel products on tandem cold rolling mill |
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| JPH10137829A (en) * | 1996-11-01 | 1998-05-26 | Kawasaki Steel Corp | Camber generation preventing method in rough rolling of continuous hot rolling and estimating device for camber generating factor |
| CN101683660B (en) * | 2008-09-28 | 2011-07-20 | 宝山钢铁股份有限公司 | Control method of tandem cold rolling mill emulsion section cooling |
| CN101920270B (en) * | 2009-06-12 | 2012-07-04 | 宝山钢铁股份有限公司 | Device and method for detecting and controlling tilting buckle head of band steel in rough rolling process |
| CN104070073A (en) * | 2013-03-28 | 2014-10-01 | 宝钢不锈钢有限公司 | Head warping control method for rough rolling in production of hot-rolled steel strips |
| CN104289525B (en) * | 2013-07-18 | 2016-11-23 | 上海宝钢钢材贸易有限公司 | The cold rolling middle emulsion total flow set method of Stand Mill six-high cluster mill |
| CN103862242B (en) * | 2014-03-24 | 2016-05-18 | 无锡宝顺不锈钢有限公司 | Manufacture the production method of accurate 317L stainless steel band capillaceous |
| CN105312321A (en) * | 2014-07-31 | 2016-02-10 | 宝山钢铁股份有限公司 | Method for optimizing technological lubrication system of cold continuous rolling unit |
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