CN109465297A - A kind of method and device promoting high grade non-oriented silicon steel transverse thickness difference - Google Patents
A kind of method and device promoting high grade non-oriented silicon steel transverse thickness difference Download PDFInfo
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- CN109465297A CN109465297A CN201811298484.7A CN201811298484A CN109465297A CN 109465297 A CN109465297 A CN 109465297A CN 201811298484 A CN201811298484 A CN 201811298484A CN 109465297 A CN109465297 A CN 109465297A
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- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 31
- 230000001737 promoting effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 113
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 24
- 238000005098 hot rolling Methods 0.000 claims description 24
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The present invention relates to technical field of steel rolling, in particular to a kind of method for promoting high grade non-oriented silicon steel transverse thickness difference, comprising: the compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Wherein, compensation position is 1,2,3 ... N, and N is positive integer.Target convex value actual value is calculated, target convex value actual value is inputted in rolling model, the operation of rolling of bloom is controlled by rolling model.The method provided in an embodiment of the present invention for promoting high grade non-oriented silicon steel transverse thickness difference, improves the controlled level of low speed lateral thickness difference while guaranteeing rolling stability.
Description
Technical field
The present invention relates to technical field of steel rolling, in particular to a kind of side for promoting high grade non-oriented silicon steel transverse thickness difference
Method and device.
Background technique
High grade non-oriented silicon steel product be big motor (such as big motor of large-scale generator, alternating current-direct current), energy saving household electrical appliances (such as
Convertible frequency air-conditioner, refrigerator etc.), the manufacture of the iron core of power system of electric automobile core component and the manufacture of middle-size and small-size high efficiency motor not
The important materials that can or lack, mainly as stator punching, lateral thickness difference is Key Quality Indicator.High grade non-oriented electrical steel is cold
It is rolled with the feature that silicone content is high, resistance of deformation is big, cold working brittleness is big.It is high grade non-oriented under same accumulative deformation rate
The low trade mark wants high in the yield strength ratio of silicon steel, and roll-force is also big, Bian Jiang great.At present, it is difficult to high grade non-oriented silicon steel
Transverse thickness difference control effectively.
Summary of the invention
The embodiment of the present invention is by providing a kind of method and device for promoting high grade non-oriented silicon steel transverse thickness difference, solution
It has determined the technical issues of being difficult to be promoted high grade non-oriented silicon steel transverse thickness difference in the prior art.
The embodiment of the invention provides a kind of methods for promoting high grade non-oriented silicon steel transverse thickness difference, comprising:
Compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Wherein, the benefit
Repaying position is 1,2,3 ... N, and the N is positive integer；
Target convex value actual value is calculated, the target convex value actual value is inputted in rolling model, rolling die is passed through
The operation of rolling of type control bloom；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom meter
It draws in list and compensates position in position < plan list, then target convex value actual value=target convex value-target convex value offset；
If position is compensated in the rolling scaduled list of bloom in position >=plan list, target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be high-speed steel working roll when, target convex value
Actual value=target convex value-target convex value offset.
Further, further includes: it is negative that Final Stand Rolling velocity compensation head rack is preset in sour tandem rolling Edge Drop Control model
Roll shifting value, wherein Final Stand Rolling speed low-speed range is 100-300mpm, and first rack roll shifting value complement repays -55mm.
Further, further includes: the first rack working roll roll shifting for controlling sour tandem rolling uses negative roll shifting: when the last machine of sour tandem rolling
When frame works roller speed more than low-speed range, using positive roll shifting.
Further, the scope control of the negative roll shifting is [- 55mm, -45mm].
Further, the positive roll shifting scope control range is [0mm, 10mm].
The embodiment of the invention also provides a kind of devices for promoting high grade non-oriented silicon steel transverse thickness difference, comprising:
Parameter set unit, the compensation position in rolling model in goal-selling convex value offset and rolling scaduled list
It sets；Wherein, the compensation position is 1,2,3 ... N, and the N is positive integer；
Computing unit calculates target convex value actual value, and the target convex value actual value is inputted in rolling model, leads to
Cross the operation of rolling of rolling model control bloom；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom meter
It draws in list and compensates position in position < plan list, then target convex value actual value=target convex value-target convex value offset；
If position is compensated in the rolling scaduled list of bloom in position >=plan list, target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be high-speed steel working roll when, target convex value
Actual value=target convex value-target convex value offset.
Further, further includes:
First control unit presets the negative roll shifting of Final Stand Rolling velocity compensation head rack in sour tandem rolling Edge Drop Control model
Value, wherein Final Stand Rolling speed low-speed range is 100-300mpm, and first rack roll shifting value complement repays -55mm.
Further, further includes:
Second control unit, the first rack working roll roll shifting for controlling sour tandem rolling use negative roll shifting: when the last rack of sour tandem rolling
When the roller speed that works is more than low-speed range, using positive roll shifting.
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, special
Sign is that the program performs the steps of when being executed by processor
Compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Wherein, the benefit
Repaying position is 1,2,3 ... N, and the N is positive integer；
Target convex value actual value is calculated, the target convex value actual value is inputted in rolling model, rolling die is passed through
The operation of rolling of type control bloom；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom meter
It draws in list and compensates position in position < plan list, then target convex value actual value=target convex value-target convex value offset；
If position is compensated in the rolling scaduled list of bloom in position >=plan list, target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be high-speed steel working roll when, target convex value
Actual value=target convex value-target convex value offset.
The embodiment of the invention also provides a kind of mobile terminal, including memory, processor and storage are on a memory simultaneously
The computer program that can be run on a processor, the processor perform the steps of when executing described program
Compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Wherein, the benefit
Repaying position is 1,2,3 ... N, and the N is positive integer；
Target convex value actual value is calculated, the target convex value actual value is inputted in rolling model, rolling die is passed through
The operation of rolling of type control bloom；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom meter
It draws in list and compensates position in position < plan list, then target convex value actual value=target convex value-target convex value offset；
If position is compensated in the rolling scaduled list of bloom in position >=plan list, target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be high-speed steel working roll when, target convex value
Actual value=target convex value-target convex value offset.
One or more technical solutions provided in an embodiment of the present invention, at least have following beneficial effect or advantage:
The method and device provided in an embodiment of the present invention for promoting high grade non-oriented silicon steel transverse thickness difference, first block of steel are adopted
Guarantee to stablize for determining rack leveling value with setting target convexity；Second block of steel position into setting plan list, using pole
Small object convexity, target convexity=setting target convexity-target convexity offset；Position to the single end of plan in setting plan list
Phase guarantees profile, avoiding local high spot is more than 10um using target convexity.It is provided in an embodiment of the present invention promoted the high trade mark without
The method and device of orientation silicon steel transverse thickness difference improves the control of low speed lateral thickness difference while guaranteeing rolling stability
It is horizontal.
Detailed description of the invention
Fig. 1 is the method flow diagram provided in an embodiment of the present invention for promoting high grade non-oriented silicon steel transverse thickness difference；
Fig. 2 is the apparatus structure signal provided in an embodiment of the present invention for promoting high grade non-oriented silicon steel transverse thickness difference
Figure；
Fig. 3 is computer storage medium structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the system structure signal provided in an embodiment of the present invention for promoting high grade non-oriented silicon steel transverse thickness difference
Figure.
Specific embodiment
The embodiment of the present invention is by providing a kind of method and device for promoting high grade non-oriented silicon steel transverse thickness difference, solution
It has determined the technical issues of being difficult to be promoted high grade non-oriented silicon steel transverse thickness difference in the prior art.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Embodiment one
Referring to Fig. 1, the embodiment of the invention provides a kind of method for promoting high grade non-oriented silicon steel transverse thickness difference, packets
It includes:
Step S10, the compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Its
In, compensation position is 1,2,3 ... N, and N is positive integer, indicates the ordinal number in rolling scaduled table.
Step S20, target convex value actual value is calculated, target convex value actual value is inputted in rolling model, by rolling
The operation of rolling of simulation control bloom；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom meter
It draws in list and compensates position in position < plan list, then target convex value actual value=target convex value-target convex value offset；
If position is compensated in the rolling scaduled list of bloom in position >=plan list, target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be high-speed steel working roll when, target convex value
Actual value=target convex value-target convex value offset.
Step S30, the negative roll shifting value of Final Stand Rolling velocity compensation head rack is preset in sour tandem rolling Edge Drop Control model,
Middle Final Stand Rolling speed low-speed range is 100-300mpm, and first rack roll shifting value complement repays -55mm.
Step S40, the first rack working roll roll shifting for controlling sour tandem rolling uses negative roll shifting: when the last rack working roll of sour tandem rolling
When speed is more than low-speed range, using positive roll shifting.
Wherein, the scope control of negative roll shifting is [- 55mm, -45mm], and positive roll shifting scope control range is [0mm, 10mm].
Embodiment two
Referring to fig. 2, a kind of device 200 for promoting high grade non-oriented silicon steel transverse thickness difference, packet are present embodiments provided
It includes:
Parameter set unit 210, the compensation in rolling model in goal-selling convex value offset and rolling scaduled list
Position；Wherein, compensation position is 1,2,3 ... N, is positive integer.
Computing unit 220 calculates target convex value actual value, and target convex value actual value is inputted in rolling model, leads to
Cross the operation of rolling of rolling model control bloom.
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom meter
It draws in list and compensates position in position < plan list, then target convex value actual value=target convex value-target convex value offset；
If position is compensated in the rolling scaduled list of bloom in position >=plan list, target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be high-speed steel working roll when, target convex value
Actual value=target convex value-target convex value offset.
It is negative to preset Final Stand Rolling velocity compensation head rack in sour tandem rolling Edge Drop Control model for first control unit 230
Roll shifting value, wherein Final Stand Rolling speed low-speed range is 100-300mpm, and first rack roll shifting value complement repays -55mm.
Second control unit 240, the first rack working roll roll shifting for controlling sour tandem rolling use negative roll shifting: when the last machine of sour tandem rolling
When frame works roller speed more than low-speed range, using positive roll shifting.
Embodiment three
Referring to Fig. 3, a kind of computer readable storage medium 300 is present embodiments provided, computer program is stored thereon with
310, which is characterized in that the computer program 310 performs the steps of when being executed by processor
Compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Wherein, position is compensated
1,2,3 ... N are set to, N is positive integer.
Target convex value actual value is calculated, target convex value actual value is inputted in rolling model, rolling model control is passed through
The operation of rolling of bloom processed.
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom meter
It draws in list and compensates position in position < plan list, then target convex value actual value=target convex value-target convex value offset；
If position is compensated in the rolling scaduled list of bloom in position >=plan list, target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be high-speed steel working roll when, target convex value
Actual value=target convex value-target convex value offset.
Example IV
Referring to fig. 4, it present embodiments provides a kind of mobile terminal 400, including memory 410, processor 420 and is stored in
It is performed the steps of on memory 410 and when the computer program 411,420 that can run on processor 420 executes program
Compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Wherein, position is compensated
1,2,3 ... N are set to, N is positive integer；
Target convex value actual value is calculated, target convex value actual value is inputted in rolling model, rolling model control is passed through
The operation of rolling of bloom processed；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom meter
It draws in list and compensates position in position < plan list, then target convex value actual value=target convex value-target convex value offset；
If position is compensated in the rolling scaduled list of bloom in position >=plan list, target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be high-speed steel working roll when, target convex value
Actual value=target convex value-target convex value offset.
One or more technical solutions provided in an embodiment of the present invention, at least have following beneficial effect or advantage:
The method and device provided in an embodiment of the present invention for promoting high grade non-oriented silicon steel transverse thickness difference, first block of steel are adopted
Guarantee to stablize for determining rack leveling value with setting target convexity；Second block of steel position into setting plan list, using pole
Small object convexity, target convexity=setting target convexity-target convexity offset；Position to the single end of plan in setting plan list
Phase guarantees profile, avoiding local high spot is more than 10um using target convexity.It is provided in an embodiment of the present invention promoted the high trade mark without
The method and device of orientation silicon steel transverse thickness difference improves the control of low speed lateral thickness difference while guaranteeing rolling stability
It is horizontal.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of method for promoting high grade non-oriented silicon steel transverse thickness difference characterized by comprising
Compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Wherein, the compensation position
1,2,3 ... N are set to, the N is positive integer；
Target convex value actual value is calculated, the target convex value actual value is inputted in rolling model, rolling model control is passed through
The operation of rolling of bloom processed；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom plan list
Position is compensated in middle position < plan list, then target convex value actual value=target convex value-target convex value offset；If steel
Position is compensated in position >=plan list in the rolling scaduled list of block, then target convex value actual value=target convex value；
When bloom in plan list position > 1, and when hot rolling F5 or F6 working roll is high-speed steel working roll, target convex value is practical
Value=target convex value-target convex value offset.
2. the method according to claim 1 for promoting high grade non-oriented silicon steel transverse thickness difference, which is characterized in that also wrap
It includes: presetting the negative roll shifting value of Final Stand Rolling velocity compensation head rack in sour tandem rolling Edge Drop Control model, wherein Final Stand Rolling
Speed low-speed range is 100-300mpm, and first rack roll shifting value complement repays -55mm.
3. the method according to claim 1 for promoting high grade non-oriented silicon steel transverse thickness difference, which is characterized in that also wrap
It includes: controlling the first rack working roll roll shifting of sour tandem rolling using negative roll shifting: when the last rack work roller speed of sour tandem rolling is more than low speed
When range, using positive roll shifting.
4. the method according to claim 3 for promoting high grade non-oriented silicon steel transverse thickness difference, which is characterized in that described
The scope control of negative roll shifting is [- 55mm, -45mm].
5. the method according to claim 3 for promoting high grade non-oriented silicon steel transverse thickness difference, which is characterized in that described
Positive roll shifting scope control range is [0mm, 10mm].
6. a kind of device for promoting high grade non-oriented silicon steel transverse thickness difference characterized by comprising
Parameter set unit, the compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Its
In, the compensation position is 1,2,3 ... N, and the N is positive integer；
Computing unit calculates target convex value actual value, the target convex value actual value is inputted in rolling model, by rolling
The operation of rolling of simulation control bloom；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom plan list
Position is compensated in middle position < plan list, then target convex value actual value=target convex value-target convex value offset；If steel
Position is compensated in position >=plan list in the rolling scaduled list of block, then target convex value actual value=target convex value；
When bloom in plan list position > 1, and when hot rolling F5 or F6 working roll is high-speed steel working roll, target convex value is practical
Value=target convex value-target convex value offset.
7. the device according to claim 6 for promoting high grade non-oriented silicon steel transverse thickness difference, which is characterized in that also wrap
It includes:
First control unit presets the negative roll shifting value of Final Stand Rolling velocity compensation head rack in sour tandem rolling Edge Drop Control model,
Wherein Final Stand Rolling speed low-speed range is 100-300mpm, and first rack roll shifting value complement repays -55mm.
8. the device according to claim 6 for promoting high grade non-oriented silicon steel transverse thickness difference, which is characterized in that also wrap
It includes:
Second control unit, the first rack working roll roll shifting for controlling sour tandem rolling use negative roll shifting: when the last rack of sour tandem rolling works
When roller speed is more than low-speed range, using positive roll shifting.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is held by processor
It is performed the steps of when row
Compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Wherein, the compensation position
1,2,3 ... N are set to, the N is positive integer；
Target convex value actual value is calculated, the target convex value actual value is inputted in rolling model, rolling model control is passed through
The operation of rolling of bloom processed；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom plan list
Position is compensated in middle position < plan list, then target convex value actual value=target convex value-target convex value offset；If steel
Position is compensated in position >=plan list in the rolling scaduled list of block, then target convex value actual value=target convex value；
When bloom in plan list position > 1, and when hot rolling F5 or F6 working roll is high-speed steel working roll, target convex value is practical
Value=target convex value-target convex value offset.
10. a kind of mobile terminal including memory, processor and stores the calculating that can be run on a memory and on a processor
Machine program, which is characterized in that the processor performs the steps of when executing described program
Compensation position in rolling model in goal-selling convex value offset and rolling scaduled list；Wherein, the compensation position
It is positive integer for 1,2,3 ... N, the N；
Target convex value actual value is calculated, the target convex value actual value is inputted in rolling model, rolling model control is passed through
The operation of rolling of bloom processed；
Wherein:
When bloom is 1 piece of rolling scaduled Dan Zhong, then target convex value actual value=target convex value；
When bloom plan list in position > 1, and hot rolling F5 or F6 working roll be non-high-speed steel working roll when, if bloom plan list
Position is compensated in middle position < plan list, then target convex value actual value=target convex value-target convex value offset；If steel
Position is compensated in position >=plan list in the rolling scaduled list of block, then target convex value actual value=target convex value；
When bloom in plan list position > 1, and when hot rolling F5 or F6 working roll is high-speed steel working roll, target convex value is practical
Value=target convex value-target convex value offset.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940047A (en) * | 2019-03-28 | 2019-06-28 | 首钢智新迁安电磁材料有限公司 | A kind of method and device of silicon steel size Collaborative Control |
| CN111389925A (en) * | 2020-03-20 | 2020-07-10 | 武汉钢铁有限公司 | Control method for reducing transverse thickness difference of hot-rolled strip steel |
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| CN101745544A (en) * | 2010-01-04 | 2010-06-23 | 湖南华菱涟源钢铁有限公司 | Method for controlling transverse thickness difference of medium-low grade electrical steel |
| CN103464469A (en) * | 2013-09-06 | 2013-12-25 | 鞍钢股份有限公司 | Edge drop control method of cold-rolled non-oriented silicon steel |
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| CN105251778A (en) * | 2014-07-16 | 2016-01-20 | 鞍钢股份有限公司 | Feedback control method for edge drop of taper work roll shifting mill (T-WRS) |
| CN105396879A (en) * | 2015-12-15 | 2016-03-16 | 北京首钢股份有限公司 | Control method for high-mark non-oriented silicon steel cold continuous rolling edge crack |
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| CN109940047A (en) * | 2019-03-28 | 2019-06-28 | 首钢智新迁安电磁材料有限公司 | A kind of method and device of silicon steel size Collaborative Control |
| CN109940047B (en) * | 2019-03-28 | 2021-01-26 | 首钢智新迁安电磁材料有限公司 | Method and device for cooperative control of silicon steel size |
| CN111389925A (en) * | 2020-03-20 | 2020-07-10 | 武汉钢铁有限公司 | Control method for reducing transverse thickness difference of hot-rolled strip steel |
| CN111389925B (en) * | 2020-03-20 | 2021-11-09 | 武汉钢铁有限公司 | Control method for reducing transverse thickness difference of hot-rolled strip steel |
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