CN110385343A - A kind of hot rolling and leveling machine warpage control method - Google Patents
A kind of hot rolling and leveling machine warpage control method Download PDFInfo
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- CN110385343A CN110385343A CN201910681388.9A CN201910681388A CN110385343A CN 110385343 A CN110385343 A CN 110385343A CN 201910681388 A CN201910681388 A CN 201910681388A CN 110385343 A CN110385343 A CN 110385343A
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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
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Abstract
The invention discloses a kind of hot rolling and leveling machine warpage control methods, belong to technical field of steel rolling.The hot rolling and leveling machine warpage control method include: set the hot rolling and leveling machine roller diameter it is poor；Set the tension of the hot rolling and leveling machine；Set the roll-force of the hot rolling and leveling machine；Set the bending roller force of the hot rolling and leveling machine.Hot rolling and leveling machine warpage control method of the present invention can reduce the strip C amount of sticking up, Improving The Quality of Products.
Description
Technical field
The present invention relates to technical field of steel rolling, in particular to a kind of hot rolling and leveling machine warpage control method.
Background technique
Smooth is actually a kind of rolling of small deformation amount, and skin pass mill group makes plate for improving plate quality, control panel shape
It is critically important that material or strip have the function of that preferable mechanical property and surface smoothness play.Planisher (polishing machine) decides most
Performance (smooth elongation percentage), apparent shape (plate shape) and the surface quality (roll marks defect) of finished product.
Hot-rolled leveling technical process: stock roll → entrance walking beam → coil of strip preraratory station → entrance side coil car →
Coil of strip diameter and width detecting → uncoiler → entrance guide table → centralized positioning controller (C.P.C) → straightener → tetra-
It rolls out complete machine → cutter → and takes the lead processing and modus ponens sampling device → inspection desk → tensioner → delivery guide → tension coiling
Machine (EPC) → outlet side coil car → outlet walking beam → baler → coil of strip weighing
Smooth is substantially the secondary operation of rolling of small deformation amount, because its rolling front and back thickness change is smaller, is generallyd use
Deformation index of the elongation percentage directly proportional to reduction ratio as skin pass rolling, smooth Process Quality Control are by elongation percentage pipe
What reason was realized.But permanent elongation control system is by measuring devices such as laser velocimeter, encoders in the actual production process
Stability and veracity and roll the influence of environment, there is unstable situation often in control system.Therefore, it is necessary in perseverance
Constant dvaught pressure control mode is developed on the basis of elongation control, with the smooth control mould of Constant dvaught pressure control mode alternately
Formula.This planisher can compensate for influence of the roll eccentricities to roll-force, be conducive to plate using permanent rolling force mode, perseverance rolling force mode
Shape control.
But the 620GT strip of certain steel mill production, specification 2.75-3.0mm, width 1500mm are aligned by client Kai Ping
C is generated afterwards and sticks up phenomenon, and C, which sticks up height maxima and sticks up in 40mm or more, C, influences subsequent soldering processes process, is unfavorable for final products
Quality.
Summary of the invention
The present invention provides a kind of hot rolling and leveling machine warpage control method, solves or part solves strip in the prior art
C can be generated after holding flat aligning and sticks up phenomenon, and C, which is stuck up, influences subsequent soldering processes process, is unfavorable for end product quality technology and asks
Topic.
In order to solve the above technical problems, including: setting institute the present invention provides a kind of hot rolling and leveling machine warpage control method
The roller diameter for stating hot rolling and leveling machine is poor；Set the tension of the hot rolling and leveling machine；Set the roll-force of the hot rolling and leveling machine；Setting
The bending roller force of the hot rolling and leveling machine.
Further, the roller diameter difference of the setting hot rolling and leveling machine includes: the top working roll for setting the hot rolling and leveling machine
And the roller diameter of bottom working roll is poor；The roller diameter for setting the hot rolling and leveling machine upper backup roll and lower backing roll is poor.
Further, the top working roll of the setting hot rolling and leveling machine and the roller diameter difference of bottom working roll include:
ΦTop working roll>ΦBottom working roll；
ΦWorking roll deviation=ΦTop working roll﹣ ΦBottom working roll；
In formula: ΦTop working rollFor top working roll roller diameter, ΦBottom working rollFor bottom working roll roller diameter, ΦWorking roll deviationFor upper working rolls and lower working rolls roller
Diameter deviation.
Further, the roller diameter difference of the setting hot rolling and leveling machine upper backup roll and lower backing roll includes:
ΦSupport roller deviation=ΦUpper backup roll﹣ ΦLower backing roll；
In formula: ΦUpper backup rollFor upper backup roll roller diameter, ΦLower backing rollFor lower backing roll roller diameter, ΦSupport roller deviationFor upper lower backing roll roller
Diameter deviation.
Further, the tension of the setting hot rolling and leveling machine includes: to obtain creation data early period；The early period is produced
Data are analyzed, and obtain the satisfactory tension parameters of product quality, and set tension parameters range；Joined according to the tension
Number range carries out DOE test；By DOE test find out tension and C stick up between true relation to determine optimal tension value.
Further, the roll-force of the setting hot rolling and leveling machine includes: P=f (ε)；In formula, P is roll-force, and ε is heat
Offset complete product elongation
Further, the roll-force of the setting hot rolling and leveling machine includes: to obtain creation data early period；It is raw to the early period
It produces data to be analyzed, obtains the satisfactory rolling force parameter of product quality, and set roll-force parameter area；According to described
Roll-force parameter area carries out DOE test；By DOE test find out roll-force and C stick up between true relation to determine most
Good rolling force value.
Further, the bending roller force of the setting hot rolling and leveling machine includes: to obtain creation data early period；It is raw to the early period
It produces data to be analyzed, obtains the satisfactory roller force parameter of product quality, and set bending roller force parameter area；According to described
Bending roller force parameter area carries out DOE test；By DOE test find out bending roller force and C stick up between true relation to determine most
Good roller force value.
Further, the hot rolling and leveling machine warpage control method is further comprising the steps of: creation data early period is obtained, and
Creation data early period is analyzed, the satisfactory technological parameter of product quality is obtained；It meets the requirements in product quality
Processing parameter setting parameter area, and carry out DOE test；Tension, roll-force and bending roller force are found out by DOE test and C is stuck up
Between true relation to determine optimal tension, roll-force and bending roller force, and analyze the master of tension, roll-force and bending roller force
Whether there is reciprocation between effect and tension, roll-force and bending roller force；It is tested by DOE, determines tension, roll-force, curved
Roller power is the key factor for influencing C and sticking up, and is calculated, and finds out the optimal combination of tension, roll-force, bending roller force, C is stuck up control
Make minimum.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
Since the roller diameter of setting hot rolling and leveling machine is poor, so, asymmetrical rolling can be mitigated to warpage and rolling stability
It influences, the different influences to working roll of the inertia and rigidity due to upper lower backing roll itself can also be slackened, due to setting heat
The tension of complete machine is offseted, so, it improves strip surface quality by controlling the tension of hot rolling and leveling machine, establish reliable tension
To guarantee that production is stable, improve final scroll quality, is realized by the load of tension with thick fine tuning and stretch rectification plate shape, it is logical
It crosses reasonable tension setting and guarantees belt steel surface, strip shape quality, due to setting the roll-force of hot rolling and leveling machine, so, pass through setting
The roll-force of reasonable hot rolling and leveling machine, it is ensured that smooth product mechanical property, strip shape quality and contact pressure between rolls are uniform, by
In the bending roller force of setting hot rolling and leveling machine, so, the bending roller force by setting reasonable hot rolling and leveling machine rolls instantaneously to change
Effective amount of deflection of roller, to change carrying roll gap shape and roll the distribution of the extension of rear strip transversely, reaching improves strip cross
It to the purpose of stress distribution, is improved by equipment and is combined with process modification, reduce the strip C amount of sticking up, Improving The Quality of Products.
Detailed description of the invention
Fig. 1 is the flow diagram of hot rolling and leveling machine warpage control method provided in an embodiment of the present invention；
Fig. 2 is the support roller of the hot rolling and leveling machine in Fig. 1 and the arrangement schematic diagram of working roll；
Fig. 3 is to stick up degree of contrast figure using the forward and backward strip C of hot rolling and leveling machine warpage control method in Fig. 1.
Specific embodiment
Referring to Fig. 1, a kind of hot rolling and leveling machine warpage control method provided in an embodiment of the present invention includes:
Step S1, the roller diameter for setting hot rolling and leveling machine are poor.
Step S2 sets the tension of hot rolling and leveling machine.
Step S3 sets the roll-force of hot rolling and leveling machine.
Step S4 sets the bending roller force of hot rolling and leveling machine.
The application specific embodiment due to setting hot rolling and leveling machine roller diameter it is poor, so, asymmetrical rolling pair can be mitigated
The influence of warpage and rolling stability, can also slacken due to upper lower backing roll itself inertia and rigidity difference to working roll
Influence, due to setting the tension of hot rolling and leveling machine, so, the tension by controlling hot rolling and leveling machine improves belt steel surface matter
It measures, establish reliable tension to guarantee that production is stable, improve final scroll quality, the load for passing through tension is realized with thick fine tuning
With stretching rectification plate shape, it is arranged by reasonable tension and guarantees belt steel surface, strip shape quality, due to sets the rolling of hot rolling and leveling machine
Power, so, by the roll-force for setting reasonable hot rolling and leveling machine, it is ensured that smooth product mechanical property, strip shape quality and roller
Between contact pressure it is uniform, due to setting the bending roller force of hot rolling and leveling machine, so, pass through the roller of the reasonable hot rolling and leveling machine of setting
Power instantaneously changes effective amount of deflection of roll, to change carrying roll gap shape and roll point of the extension of rear strip transversely
Cloth, achieving the purpose that, which improves strip lateral stress, is distributed, and is improved by equipment and is combined with process modification, reduces the strip C amount of sticking up,
Improving The Quality of Products.
Referring to fig. 2, step S1 is discussed in detail.
The roller diameter of step S11, the top working roll and bottom working roll that set hot rolling and leveling machine are poor.It can control working roll roller diameter
Difference mainly mitigates influence of the asymmetrical rolling to warpage and rolling stability.
Step S12, the roller diameter for setting hot rolling and leveling machine upper backup roll and lower backing roll are poor.It can slacken due to supporting up and down
The inertia of roller itself and the different influences to working roll of rigidity.
Step S11 is discussed in detail.
Hot rolling and leveling machine two-dimensional finite element model is established, is found by finite element simulation, under top working roll roller diameter is greater than
When working roll roller diameter, change strip upper and lower surface extension difference, so that C be inhibited to stick up the generation of phenomenon；Roller diameter difference cannot be too big simultaneously,
Too big roller diameter difference is easy to derive hunchbacked defect (lower C sticks up defect).
The top working roll of setting hot rolling and leveling machine and the roller diameter difference of bottom working roll include:
ΦTop working roll>ΦBottom working roll；
ΦWorking roll deviation=ΦTop working roll﹣ ΦBottom working roll；
In formula: ΦTop working rollFor top working roll roller diameter, ΦBottom working rollFor bottom working roll roller diameter, ΦWorking roll deviationFor upper working rolls and lower working rolls roller
Diameter deviation.
Step S12 is discussed in detail.
Setting hot rolling and leveling machine upper backup roll and the roller diameter difference of lower backing roll include:
ΦSupport roller deviation=ΦUpper backup roll﹣ ΦLower backing roll；
In formula: ΦUpper backup rollFor upper backup roll roller diameter, ΦLower backing rollFor lower backing roll roller diameter, ΦSupport roller deviationFor upper lower backing roll roller
Diameter deviation.
Step S2 is discussed in detail.
Setting hot rolling and leveling machine tension include:
Step S21 obtains creation data early period.
Step S22 analyzes creation data early period, obtains the satisfactory tension parameters of product quality, and set
Tension parameters range.
Step S23 carries out DOE test according to tension parameters range.
Step S24, by DOE (experimental design) test find out tension and C stick up between true relation it is best to determine
Tension value.
In smooth bundling production, tension force technique is for improving strip surface quality, establishing reliable tension to guarantee
Production is stable, improves final scroll quality has an important influence.The load of tension has two important functions, and band may be implemented
Thick fine tuning and stretching rectification plate shape.When increasing tension, so that the thick difference of Outlet Section reduces, the uniformity of section becomes well,
So that developing to good profile direction, hightension is conducive to Strip Shape Control；But overtension be easy to cause belt steel surface to scratch, and closes
Reason tension setting has a major impact belt steel surface, plate shape.
Step S3 is discussed in detail.
The roll-force for setting hot rolling and leveling machine includes: P=f (ε)；In formula, P is roll-force, and ε is that hot rolling and leveling machine product is stretched
Long rate.
According to product mix, high-strength steel hot rolling and leveling machine product elongation is 0.5%~1.5%.It is corresponding, according to
P=f (ε), the setting range of roll-force are larger.But it is influenced in production by factors such as plate shape, roll force distributions, hot rolling and leveling machine
The actual set range of roll-force is limited, excessive side wave easily occur, and be will increase roll edge and peeled off trend；It is too small then easy
It is unrestrained in appearance.At the same time, in the design process of planisher, guarantee smooth product mechanical property (elongation 0.5%~
1.5%) under the premise of, strip shape quality and contact pressure between rolls are uniform as far as possible, the setting range of roll-force is smaller more
It is good.
Setting hot rolling and leveling machine roll-force include:
Step S31 obtains creation data early period.
Step S32 analyzes creation data early period, obtains the satisfactory rolling force parameter of product quality, and set
Determine roll-force parameter area.
Step S33 carries out DOE test according to roll-force parameter area.
Step S34, by DOE test find out roll-force and C stick up between true relation to determine optimal roll-force
Value.
Step S4 is discussed in detail.
Setting hot rolling and leveling machine bending roller force include:
Step S41 obtains creation data early period.
Step S42 analyzes creation data early period, obtains the satisfactory roller force parameter of product quality, and set
Determine bending roller force parameter area.
Step S43 carries out DOE test according to bending roller force parameter area.
Step S44, by DOE test find out bending roller force and C stick up between true relation to determine optimal bending roller force
Value.
Changed from the oil pressure of the electrohydraulic system of hydraulic bending roll to working roll or support roller roll neck and applies hydraulic bending roll power, next wink
When change effective amount of deflection of roll, to change carrying roll gap shape and roll the extension distribution transversely of rear strip, reach
Improve the purpose of strip lateral stress distribution.
The application hot rolling and leveling machine warpage control method is further comprising the steps of:
Step S5 obtains creation data early period, and analyzes creation data early period, obtains product quality and meets
It is required that technological parameter；
Step S6 in the satisfactory processing parameter setting parameter area of product quality, and carries out DOE test.
Step S7, by DOE test find out tension, roll-force and bending roller force and C stick up between true relation to determine
Optimal tension, roll-force and bending roller force, and analyze tension, roll-force and bending roller force main effect and tension, roll-force and
Whether there is reciprocation between bending roller force.
Step S8, is tested by DOE, determines that tension, roll-force, bending roller force are the key factors for influencing C and sticking up, and counted
It calculates, finds out the optimal combination of tension, roll-force, bending roller force.
From creation data early period analysis start with, for the existing products C of client 620GT stick up quality it is preferable when, equally exist C and stick up
It is excessive, when quality is unsatisfactory for client's requirement.Pass through representative two batches work in comparative analysis creation data early period
Skill parameter, discovery tension, roll-force, bending roller force process parameter value have larger difference.In the satisfactory technique ginseng of product quality
On the basis of number, tension, roll-force, bending roller force parameter area are set, carries out DOE test, tension, rolling are found out by DOE test
Power, bending roller force and C stick up between true relation to determine optimal tension, roll-force, bending roller force, so that C is stuck up value and be optimal,
Simultaneously analyze tension, roll-force, bending roller force main effect and they between whether have reciprocation.It is tested, is determined by DOE
Tension, roll-force, bending roller force are the key factors for influencing C and sticking up, and are calculated by MINITAB software, and tension, rolling are found out
C is stuck up control to minimum, meets client's requirement by power, the optimal combination of bending roller force.
The embodiment of the present invention is introduced in order to become apparent from, is introduced from the application method of the embodiment of the present invention below.
In to certain steel mill 620GT hot-rolled leveling production process, the top working roll and bottom working roll of hot rolling and leveling machine are set
Roller diameter it is poor:
ΦTop working roll>ΦBottom working roll；
ΦWorking roll deviation=ΦTop working roll﹣ ΦBottom working roll；
In formula: ΦTop working rollFor top working roll roller diameter, ΦBottom working rollFor bottom working roll roller diameter, ΦWorking roll deviationFor upper working rolls and lower working rolls roller
Diameter deviation.
Setting hot rolling and leveling machine upper backup roll and the roller diameter difference of lower backing roll include:
ΦSupport roller deviation=ΦUpper backup roll﹣ ΦLower backing roll；
In formula: ΦUpper backup rollFor upper backup roll roller diameter, ΦLower backing rollFor lower backing roll roller diameter, ΦSupport roller deviationFor upper lower backing roll roller
Diameter deviation.
Creation data early period is obtained, creation data early period is analyzed, obtains the satisfactory tension ginseng of product quality
Number, and tension parameters range is set, DOE test is carried out according to tension parameters range, is found out and is opened by DOE (experimental design) test
Power and C stick up between true relation to determine optimal tension value.
According to P=f (ε)；In formula, P is roll-force, and ε is hot rolling and leveling machine product elongation.Creation data early period is obtained,
Creation data early period is analyzed, obtains the satisfactory rolling force parameter of product quality, and set roll-force parameter area,
Carry out DOE test according to roll-force parameter area, by DOE test find out roll-force and C stick up between true relation so as to true
Fixed optimal rolling force value.
Creation data early period is obtained, creation data early period is analyzed, obtains the satisfactory bending roller force of product quality
Parameter, and bending roller force parameter area is set, DOE test is carried out according to bending roller force parameter area, bending roller force is found out by DOE test
With C stick up between true relation to determine optimal roller force value.
From creation data early period analysis start with, for the existing products C of client 620GT stick up quality it is preferable when, equally exist C and stick up
It is excessive, when quality is unsatisfactory for client's requirement.Pass through representative two batches work in comparative analysis creation data early period
Skill parameter, discovery tension, roll-force, bending roller force process parameter value have larger difference.In the satisfactory technique ginseng of product quality
On the basis of number, tension, roll-force, bending roller force parameter area are set, carries out DOE test, tension, rolling are found out by DOE test
Power, bending roller force and C stick up between true relation to determine optimal tension, roll-force, bending roller force, so that C is stuck up value and be optimal,
Simultaneously analyze tension, roll-force, bending roller force main effect and they between whether have reciprocation.It is tested, is determined by DOE
Tension, roll-force, bending roller force are the key factors for influencing C and sticking up, and are calculated by MINITAB software, and tension, rolling are found out
C is stuck up control to minimum, meets client's requirement by power, the optimal combination of bending roller force.
Therefore, top working roll roller diameter requirement are as follows: [Φ 470mm, Φ 520mm]；Bottom working roll roller diameter requirement are as follows: [Φ
470mm, Φ 520mm]；ΦWorking roll deviationIt is required that are as follows: [0mm, 3mm]；Upper backup roll roller diameter requirement are as follows: [Φ 1100mm, Φ
1200mm]；Lower backing roll roller diameter requirement are as follows: [Φ 1100mm, Φ 1200mm]；ΦSupport roller deviationIt is required that are as follows: [- 10mm, 10mm].It is right
Steel grade 620GT tension is provided with following requirement: 1) thickness 2.5-3mm: uncoiling tension setting value [90KN, 110KN]；2) thickness
2.5-3mm: coiling tension setting value [210KN, 220KN].Steel grade 620GT, thickness 2.5-3mm: rolling force setup value
[3900KN, 4100KN].Steel grade 620GT, thickness 2.5-3mm: bending roller force setting value [- 50KN, -100KN]；Meanwhile bending roller force
Belt plate shape real-time change situation is paid attention to during actual set, if incoming profile is good, carries out above-mentioned bending roller force setting；
Plate shape is defective, and bending roller force is set according to actual conditions.
It referring to Fig. 3, can clearly learn, the C of the 620GT steel of the application sticks up defect and is substantially reduced, Improving The Quality of Products；Its
Middle C sticks up defect average height degree and is reduced to 11.6mm by 34.5mm, and fluctuating range becomes smaller, and accuracy is significantly mentioned with stability
It is high.
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 (9)
1. a kind of hot rolling and leveling machine warpage control method characterized by comprising
The roller diameter for setting the hot rolling and leveling machine is poor；
Set the tension of the hot rolling and leveling machine；
Set the roll-force of the hot rolling and leveling machine；
Set the bending roller force of the hot rolling and leveling machine.
2. hot rolling and leveling machine warpage control method according to claim 1, which is characterized in that the setting hot rolling and leveling machine
Roller diameter difference include:
The roller diameter of the top working roll and bottom working roll that set the hot rolling and leveling machine is poor；
The roller diameter for setting the hot rolling and leveling machine upper backup roll and lower backing roll is poor.
3. hot rolling and leveling machine warpage control method according to claim 1, which is characterized in that the setting hot rolling and leveling machine
Top working roll and the roller diameter difference of bottom working roll include:
ΦTop working roll>ΦBottom working roll；
ΦWorking roll deviation=ΦTop working roll﹣ ΦBottom working roll；
In formula: ΦTop working rollFor top working roll roller diameter, ΦBottom working rollFor bottom working roll roller diameter, ΦWorking roll deviationIt is inclined for upper working rolls and lower working rolls roller diameter
Difference.
4. hot rolling and leveling machine warpage control method according to claim 2, which is characterized in that the setting hot rolling and leveling machine
The roller diameter difference of upper backup roll and lower backing roll includes:
ΦSupport roller deviation=ΦUpper backup roll﹣ ΦLower backing roll；
In formula: ΦUpper backup rollFor upper backup roll roller diameter, ΦLower backing rollFor lower backing roll roller diameter, ΦSupport roller deviationIt is inclined for upper lower backing roll roller diameter
Difference.
5. hot rolling and leveling machine warpage control method according to claim 1, which is characterized in that the setting hot rolling and leveling machine
Tension include:
Obtain creation data early period；
Creation data early period is analyzed, obtains the satisfactory tension parameters of product quality, and set tension parameters
Range；
DOE test is carried out according to the tension parameters range；
By DOE test find out tension and C stick up between true relation to determine optimal tension value.
6. hot rolling and leveling machine warpage control method according to claim 1, which is characterized in that the setting hot rolling and leveling machine
Roll-force include:
P=f (ε)；In formula, P is roll-force, and ε is hot rolling and leveling machine product elongation.
7. hot rolling and leveling machine warpage control method according to claim 6, which is characterized in that the setting hot rolling and leveling machine
Roll-force include:
Obtain creation data early period；
Creation data early period is analyzed, obtains the satisfactory rolling force parameter of product quality, and set roll-force
Parameter area；
DOE test is carried out according to the roll-force parameter area；
By DOE test find out roll-force and C stick up between true relation to determine optimal rolling force value.
8. hot rolling and leveling machine warpage control method according to claim 1, which is characterized in that the setting hot rolling and leveling machine
Bending roller force include:
Obtain creation data early period；
Creation data early period is analyzed, obtains the satisfactory roller force parameter of product quality, and set bending roller force
Parameter area；
DOE test is carried out according to the bending roller force parameter area；
By DOE test find out bending roller force and C stick up between true relation to determine optimal roller force value.
9. hot rolling and leveling machine warpage control method according to claim 1, which is characterized in that the hot rolling and leveling machine warpage
Control method is further comprising the steps of:
Creation data early period is obtained, and creation data early period is analyzed, obtains the satisfactory technique of product quality
Parameter；
In the satisfactory processing parameter setting parameter area of product quality, and carry out DOE test；
By DOE test find out tension, roll-force and bending roller force and C stick up between true relation so as to determine optimal tension,
Roll-force and bending roller force, and analyze the main effect and tension of tension, roll-force and bending roller force, be between roll-force and bending roller force
It is no to have reciprocation；
It is tested by DOE, determines that tension, roll-force, bending roller force are the key factors for influencing C and sticking up, and calculated, find out and open
Power, roll-force, the optimal combination of bending roller force.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111451293A (en) * | 2020-03-31 | 2020-07-28 | 鞍钢股份有限公司 | Method for preventing C-warp of high-strength steel in cold-rolled continuous annealing path |
| CN113449239A (en) * | 2020-03-24 | 2021-09-28 | 上海梅山钢铁股份有限公司 | Method for forecasting influence of single factor of fan pressure on surface of strip steel of aluminum-zinc plating unit on C warp |
| CN113444872A (en) * | 2020-03-24 | 2021-09-28 | 上海梅山钢铁股份有限公司 | Temperature optimal setting method for preventing C warping of band steel of hot-dip aluminum-zinc unit |
| CN114011884A (en) * | 2021-10-19 | 2022-02-08 | 武汉钢铁有限公司 | Plate shape control method of cold-rolled wide plate |
| CN114367543A (en) * | 2021-12-13 | 2022-04-19 | 首钢京唐钢铁联合有限责任公司 | Control method, device and equipment for flat rolling of strip steel |
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| CN113449239A (en) * | 2020-03-24 | 2021-09-28 | 上海梅山钢铁股份有限公司 | Method for forecasting influence of single factor of fan pressure on surface of strip steel of aluminum-zinc plating unit on C warp |
| CN113444872A (en) * | 2020-03-24 | 2021-09-28 | 上海梅山钢铁股份有限公司 | Temperature optimal setting method for preventing C warping of band steel of hot-dip aluminum-zinc unit |
| CN113444872B (en) * | 2020-03-24 | 2022-05-10 | 上海梅山钢铁股份有限公司 | Temperature optimal setting method for preventing C-warp of strip steel of hot-dip aluminum zinc unit |
| CN111451293A (en) * | 2020-03-31 | 2020-07-28 | 鞍钢股份有限公司 | Method for preventing C-warp of high-strength steel in cold-rolled continuous annealing path |
| CN111451293B (en) * | 2020-03-31 | 2022-05-13 | 鞍钢股份有限公司 | Method for preventing C-warp of cold-rolled continuous annealing path high-strength steel |
| CN114011884A (en) * | 2021-10-19 | 2022-02-08 | 武汉钢铁有限公司 | Plate shape control method of cold-rolled wide plate |
| CN114367543A (en) * | 2021-12-13 | 2022-04-19 | 首钢京唐钢铁联合有限责任公司 | Control method, device and equipment for flat rolling of strip steel |
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