CN104537136B - A kind of six-high cluster mill roll neck concentric reducer defect-compensating method - Google Patents
A kind of six-high cluster mill roll neck concentric reducer defect-compensating method Download PDFInfo
- Publication number
- CN104537136B CN104537136B CN201410620597.XA CN201410620597A CN104537136B CN 104537136 B CN104537136 B CN 104537136B CN 201410620597 A CN201410620597 A CN 201410620597A CN 104537136 B CN104537136 B CN 104537136B
- Authority
- CN
- China
- Prior art keywords
- roll
- roller
- amount
- concentric reducer
- bending
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Metal Rolling (AREA)
Abstract
A kind of six-high cluster mill roll neck concentric reducer defect-compensating method, the step of it includes being performed by computer below：1st, the collection of basic equipment parameter；2nd, the basic rolling technological parameter of ideal format product is collected；3rd, the optimal roller amount calculating process parameter that inclines is defined；4th, evaluation work roll bending power, intermediate calender rolls bending roller force, intermediate roll shifting amount and roller amount of inclining；5th, calculating target function；6 obtain roller amount of most preferably inclining, and terminate to calculate.The present invention can realize the quantitative compensation to roll neck concentric reducer defect, farthest decrease or even eliminate influence of the concentric reducer defect to plate shape, the problem of scene is almost completely dependent on site operation personnel for the improvement of flatness defect caused by roll neck concentric reducer is solved, the production board band quality of milling train fixed position within the specific roll cycle is improved.
Description
Technical field
The present invention relates to cold rolling of strip steel technical field, more particularly to a kind of roll concentric reducer defect for being suitable for six-high cluster mill
Compensation method.
Background technology
So-called roll concentric reducer just refers to that roll causes grinding due to the technical problem of grinding machine precision and operating personnel
Roll afterwards carries certain taper.After roll concentric reducer occurs, milling train outlet can produce closely related with roll changing period
Flatness defect, the position of the flatness defect is basically unchanged within a work roll cooling cycle, changes its position and journey after roll
Degree also changes therewith, aggravates to disappear sometimes sometimes.At the same time, as strip user progressively turns to high-end, user couple from low side
The requirement of product strip shape quality also more and more higher.So, flatness defect caused by roll concentric reducer just turns into scene tackling key problem
Emphasis.Scene was almost completely dependent on the warp of site operation personnel for the improvement of flatness defect caused by concentric reducer in the past
Test, based on qualitative contrlol, it is impossible to realize conscious quantitative control, cause the fluctuation of product quality larger.
The content of the invention
It is an object of the invention to provide a kind of concentric reducer defect that can farthest decrease or even eliminate to plate shape
Influence, improves the six-high cluster mill roll neck concentric reducer defect-compensating method of strip shape quality.
The step of present invention includes being performed by computer below：
(a) collection of basic equipment parameter, mainly includes roller diameter Dk, roller height Lk, roll remove concentric reducer lack
Roll shape Distribution Value D after falling intokyi, the diameter difference Δ D on roll active side head and transmission side headzk max, what milling train was allowed
Maximum is inclined roller amount ηmax, the maximum positive roller power of working rollThe negative bending roller force of working roll maximumThe maximum positive roller power of intermediate calender rollsThe negative roller power of intermediate calender rolls maximumWorking roll bending cylinder is apart from lw, middle roll bending cylinder is apart from lm, support roller pressure spiral shell
Silk centre-to-centre spacing lb, subscript i represents Cross slat member number in relevant parameter, and k represents roll numbering, and k=1 represents upper backup roll, k=2
Intermediate calender rolls in representative, k=3 represents top working roll, and k=4 represents bottom working roll, and k=5 represents lower intermediate calender rolls, and k=6 represents lower
Support roller；
(b) the basic rolling technological parameter of ideal format product is collected, mainly includes thickness of strip cross direction profiles value h0i, band
Material average thickness h0, strip width B, resistance of deformation σs, roll-force P, mill speed v, elongation percentage ε, entrance mean tension T0, go out
Mouth mean tension T1；
(c) the optimal roller amount calculating process parameter i that inclines is definedη, incline roller amount η, roller amount of inclining optimization step delta η, object function F,
Object function initial value F0, work roll bending power Sw, intermediate calender rolls bending roller force Sm, intermediate roll shifting amount δ, roller amount of most preferably inclining ηy；
(d) influence of roll neck concentric reducer defect is not considered, makes the actual roll shape Distribution Value D of rollki=Dkyi；
(e) work roll bending power is madeIntermediate calender rolls bending roller forceIntermediate calender rolls
Roll shifting amount δ=0, roller amount of inclining η=0, roller amount of inclining optimization step delta η=1；
(f) work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, intermediate roll shifting amount be
δ, roller amount of inclining are η, and do not consider the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value D of rollki=DkyiWhen milling train
Export band forward pull cross direction profiles value σ001i；
(g) consider the influence of roll neck concentric reducer defect, make the actual roll shape Distribution Value of roll
xiFor the coordinate of i-th of unit；
(h) work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, intermediate roll shifting amount be
δ, roller amount of inclining are η, and consider the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of roll
When milling train outlet band forward pull cross direction profiles value σ0d1i；
(i) i is madeη=0, F0=1010；
(j) the roller amount η=- η that inclines is mademax+iηΔη；
(k) work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, intermediate roll shifting amount be
δ, roller amount of inclining are η, and consider the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of roll
When milling train outlet band forward pull cross direction profiles value σηd1i；
(l) calculating target functionN represents that band is total along transverse direction
Bar member number；
(m) inequality F ＜ F are judged0Whether set upF is made if inequality is set up0=F, ηy=η, is transferred to step (n)；
If inequality is invalid, step (n) is directly transferred to；
(n) inequality is judgedWhether set upI is made if inequality is set upη=iη+ 1, then it is transferred to step
(j)；Step (o) is transferred to if inequality is invalid；
(o) the roller amount η that most preferably inclines is obtainedy, terminate to calculate.
The present invention has the following advantages that compared with prior art：
1st, the quantitative compensation to roll neck concentric reducer defect can be realized, concentric reducer defect is farthest decreased or even eliminated
Influence to plate shape.
2nd, the improvement for solving scene for flatness defect caused by roll neck concentric reducer is almost completely dependent on live behaviour
The problem of making personnel, conventional qualitative contrlol is replaced with quantitative compensation, so that it is fixed within the specific roll cycle to improve milling train
The strip shape quality of position, the value applied with further genralrlization.
Brief description of the drawings
Fig. 1 is total calculation flow chart of the present invention；
Fig. 2 is the forward pull distribution map in single roll concentric reducer defect optimizing of the embodiment of the present invention 1；
Fig. 3 is single roll concentric reducer defect of the embodiment of the present invention 1 and the effect contrast figure after compensation；
Fig. 4 is the forward pull distribution map in the paired roll concentric reducer defect optimizing of the embodiment of the present invention 2；
Fig. 5 is the paired roll concentric reducer defect of the embodiment of the present invention 2 and the effect contrast figure after compensation；
Fig. 6 is the forward pull distribution map in many roll concentric reducer defect optimizing of the embodiment of the present invention 3；
Fig. 7 is many roll concentric reducer defects of the embodiment of the present invention 3 and the effect contrast figure after compensation.
Embodiment
Embodiment 1
As shown in figure 1, a kind of six-high cluster mill roll neck concentric reducer defect-compensating method, first, in step 1, collects basic
The parameter of equipment, mainly including working roll, intermediate calender rolls, support roller diameter Dw=160mm, Dm=210mm, Db=630mm, work
Make roller, intermediate calender rolls, the barrel length L of support rollerw=780mm, Lm=750mm, Lb=750mm, the target roll shape point of bottom working roll
Implantation D4yi=159.9873,159.9911,159.9945,159.9975,160.0001,160.0023,160.0041,
160.0055,160.0065,160.0071,160.0073,160.0071,160.0065,160.0055,160.0041,
160.0023,160.0001,159.9975,159.9945,159.9911,159.9873 }
The diameter difference Δ D on bottom working roll active side head and transmission side headz4max=100um, other roll active sides with
The diameter difference on transmission side head is zero, and the maximum that milling train is allowed is inclined roller amount ηmax=150 μm, the maximum positive roller power of working rollThe negative bending roller force of working roll maximumThe maximum positive roller power of intermediate calender rollsIntermediate calender rolls maximum is negative
Roller powerWorking roll bending cylinder is apart from lw=1110mm, middle roll bending cylinder is apart from lm=1116mm, supports roll-in
Lower screw centre-to-centre spacing lb=1110mm；
Then, in step 2, the basic rolling technological parameter of ideal format product is collected, mainly includes the average thickness of band
Spend h0=0.25mm, strip width B=650mm, band exit thickness cross direction profiles valueResistance of deformation
σs=300Mpa, roll-force P=400t, mill speed v=400m/min, elongation percentage ε=0.196, entrance mean tension T0=
60Mpa, outlet mean tension T1=80Mpa；
Then, in step 3, the optimal roller amount calculating process parameter i that inclines is definedη, incline roller amount η, roller amount of inclining optimization step delta
η, object function F, object function initial value F0, work roll bending power Sw, intermediate calender rolls bending roller force Sm, intermediate roll shifting amount δ, most preferably
Roller amount of inclining ηy；
Then, in step 4, the influence of roll neck concentric reducer defect is not considered, makes the actual roll shape Distribution Value D of roll4i=
D4yi；
Then, in steps of 5, work roll bending power is madeIntermediate calender rolls bending roller forceIntermediate roll shifting amount δ=0, roller amount of inclining η=0, roller amount of inclining optimization step delta η=1um；
Then, in step 6, work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, in
Between roller roll shifting amount be δ, roller amount of inclining is η, and do not consider the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value D of roll4i=
D4yiWhen milling train outlet band forward pull cross direction profiles value σ001i；
Then, in step 7, it is considered to the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of roll is madexiFor the coordinate of i-th of unit；
Then, in step 8, work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, in
Between roller roll shifting amount be δ, roller amount of inclining is η, and considers the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of rollWhen milling train outlet band forward pull cross direction profiles value σ0d1i；
Then, in step 9, i is madeη=0, F0=1010；
Then, in step 10, the roller amount η=- η that inclines is mademax+iηΔ η=- 150+0 × 1=-150um；
Then, in a step 11, work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, in
Between roller roll shifting amount be δ, roller amount of inclining is η, and considers the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of rollWhen milling train outlet band forward pull cross direction profiles value σηd1i, band forward pull cross direction profiles value
σ001i、σ0d1iAnd σηd1i, as shown in Figure 2；
Then, in step 12, calculating target functionn
Represent band along laterally total bar member number；
Then, in step 13, inequality F=160.82 ＜ F0Set up, then make F0=F=160.82, ηy=η=-
150um, is transferred to step 14；
Then, at step 14, inequalitySet up, then make iη=iη+ 1=0+1=
1, then it is transferred to step 10；
Finally, in step 15, the roller amount η that most preferably inclines is obtainedy=-46um, terminates to calculate.
Compensation effect explanation：In this embodiment, there is roll neck concentric reducer defect in bottom working roll.Using the benefit of patent of the present invention
Compensation method can optimizing obtain most preferably inclining roller amount ηy, compensation effect now is as shown in Figure 3.Lower work is can clearly be seen that from Fig. 3
When making roller (single roll) and there is roll neck concentric reducer defect, unilateral unrestrained flatness defect can be brought.After overcompensation, because roll neck is big
Plate shape variable quantity greatly reduces caused by microcephaly's defect, so as to effectively solve due to single caused by roll concentric reducer defect
Side wave plate shape defect problem.
Example 2
First, in step 1, collect basic equipment parameter, mainly including working roll, intermediate calender rolls, support roller diameter
Dw=160mm, Dm=210mm, Db=630mm, working roll, intermediate calender rolls, the barrel length L of support rollerw=780mm, Lm=
750mm、Lb=750mm, the target roll shape Distribution Value D of upper and lower working roll3yi=D4yi=159.9873,159.9911,
159.9945,159.9975,160.0001,160.0023,160.0041,160.0055,160.0065,160.0071,
160.0073,160.0071,160.0065,160.0055,160.0041,160.0023,160.0001,159.9975,
159.9945,159.9911,159.9873 }
The diameter difference Δ D on top working roll active side head and transmission side headz3max=50um, bottom working roll active side is with passing
The diameter difference Δ D on dynamic side headz4max=100um, other roll active sides and the diameter difference on transmission side head are zero, and milling train is permitted
Perhaps maximum is inclined roller amount ηmax=150 μm, the maximum positive roller power of working rollThe negative bending roller force of working roll maximumThe maximum positive roller power of intermediate calender rollsThe negative roller power of intermediate calender rolls maximumWorking roll bending cylinder away from
From lw=1110mm, middle roll bending cylinder is apart from lm=1116mm, support roller housing screw centre-to-centre spacing lb=1110mm；
Then, in step 2, the basic rolling technological parameter of ideal format product is collected, mainly includes the average thickness of band
Spend h0=0.25mm, strip width B=650mm, band exit thickness cross direction profiles valueDeformation is anti-
Power σs=300Mpa, roll-force P=400t, mill speed v=400m/min, elongation percentage ε=0.196, entrance mean tension T0=
60Mpa, outlet mean tension T1=80Mpa；
Then, in step 3, the optimal roller amount calculating process parameter i that inclines is definedη, incline roller amount η, roller amount of inclining optimization step delta
η, object function F, object function initial value F0, work roll bending power Sw, intermediate calender rolls bending roller force Sm, intermediate roll shifting amount δ, most preferably
Roller amount of inclining ηy；
Then, in step 4, the influence of roll neck concentric reducer defect is not considered, makes the actual roll shape Distribution Value D of roll3i=
D3yi, D4i=D4yi；
Then, in steps of 5, work roll bending power is madeIntermediate calender rolls bending roller forceIntermediate roll shifting amount δ=0, roller amount of inclining η=0, roller amount of inclining optimization step delta η=1um；
Then, in step 6, work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, in
Between roller roll shifting amount be δ, roller amount of inclining is η, and do not consider the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value D of roll3i=
D3yi, D4i=D4yiWhen milling train outlet band forward pull cross direction profiles value σ001i；
Then, in step 7, it is considered to the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of roll is madexiFor the coordinate of i-th of unit；
Then, in step 8, work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, in
Between roller roll shifting amount be δ, roller amount of inclining is η, and considers the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of rollWhen milling train outlet band forward pull cross direction profiles value
σ0d1i；
Then, in step 9, i is madeη=0, F0=1010；
Then, in step 10, the roller amount η=- η that inclines is mademax+iηΔ η=- 150+0 × 1=-150um；
Then, in a step 11, work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, in
Between roller roll shifting amount be δ, roller amount of inclining is η, and considers the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of rollWhen milling train outlet band forward pull cross direction profiles value
σηd1i, band forward pull cross direction profiles value σ001i、σ0d1iAnd σηd1i, as shown in Figure 4；
Then, in step 12, calculating target function
N represents band along laterally total bar member number；
Then, in step 13, inequality F=223.995 ＜ F0Set up, then make F0=F=223.995, ηy=η=-
150um, is transferred to step 14；
Then, at step 14, inequalitySet up, then make iη=iη+ 1=0+1
=1, then it is transferred to step 10；
Finally, in step 15, the roller amount η that most preferably inclines is obtainedy=-69um, terminates to calculate.
Compensation effect explanation：In this embodiment, there is roll neck concentric reducer defect in upper and lower working roll simultaneously.Using the present invention
The compensation method of patent can optimizing obtain most preferably inclining roller amount ηy, compensation effect now is as shown in Figure 5.Can be clearly from Fig. 5
Upper and lower working roll (paired roll) is found out while when there is roll neck concentric reducer defect, can equally bring unilateral unrestrained flatness defect,
And in this embodiment upper and lower roll concentric reducer direction it is consistent, the influence to plate shape can be superimposed, and larger unilateral wave plate shape occur
Defect.After overcompensation, the plate shape variable quantity because of caused by roll neck concentric reducer defect greatly reduces, so as to effectively solve
Due to unilateral wave plate shape defect problem caused by roll concentric reducer defect.
Embodiment 3
First, in step 1, collect basic equipment parameter, mainly including working roll, intermediate calender rolls, support roller diameter
Dw=160mm, Dm=210mm, Db=630mm, working roll, intermediate calender rolls, the barrel length L of support rollerw=780mm, Lm=
750mm、Lb=750mm, the target roll shape Distribution Value of top working roll
D3yi=159.9873,159.9911,159.9945,159.9975,160.0001,160.0023,160.0041,
160.0055,160.0065,160.0071,160.0073,160.0071,160.0065,160.0055,160.0041,
160.0023,160.0001,159.9975,159.9945,159.9911,159.9873 }
The target roll shape Distribution Value of upper intermediate calender rolls
D2yi=209.9887,209.9922,209.9887,209.9923,209.9887,209.9924,209.9887,
209.9925,209.9887,209.9926,209.9887,209.9927,209.9887,209.9928,209.9887,
209.9928,209.9887209.9929,209.9887,209.9930,209.9887 }
The target roll shape Distribution Value of upper backup roll
D1yi=629.9887,629.9922,629.9887,629.9923,629.9887,629.9924,629.9887,
629.9925,629.9887,629.9926,629.9887,629.9927,629.9887,629.9928,629.9887,
629.9928629.9887,629.9929,629.9887,629.9930,629.9887 }
The diameter difference Δ D on top working roll active side head and transmission side headz3max=40um, upper intermediate calender rolls active side is with passing
The diameter difference Δ D on dynamic side headz2max=-120um, upper backup roll active side and the diameter difference Δ D on transmission side headz1max=-
80um, the diameter difference on other roll active sides and transmission side head is zero, and the maximum that milling train is allowed is inclined roller amount ηmax=150 μm,
The maximum positive roller power of working rollThe negative bending roller force of working roll maximumThe maximum positive roller power of intermediate calender rollsThe negative roller power of intermediate calender rolls maximumWorking roll bending cylinder is apart from lw=1110mm, middle roll bending cylinder away from
From lm=1116mm, support roller housing screw centre-to-centre spacing lb=1110mm；
Then, in step 2, the basic rolling technological parameter of ideal format product is collected, mainly includes the average thickness of band
Spend h0=0.25mm, strip width B=650mm, band exit thickness cross direction profiles valueDeformation
Drag σs=300Mpa, roll-force P=400t, mill speed v=400m/min, elongation percentage ε=0.196, entrance mean tension T0
=60Mpa, outlet mean tension T1=80Mpa；
Then, in step 3, the optimal roller amount calculating process parameter i that inclines is definedη, incline roller amount η, roller amount of inclining optimization step delta
η, object function F, object function initial value F0, work roll bending power Sw, intermediate calender rolls bending roller force Sm, intermediate roll shifting amount δ, most preferably
Roller amount of inclining ηy；
Then, in step 4, the influence of roll neck concentric reducer defect is not considered, makes the actual roll shape Distribution Value D of roll1i=
D1yi, D2i=D2yi, D3i=D3yi；
Then, in steps of 5, work roll bending power is madeIntermediate calender rolls bending roller force
Intermediate roll shifting amount δ=0, roller amount of inclining η=0, roller amount of inclining optimization step delta η=1um；
Then, in step 6, work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, in
Between roller roll shifting amount be δ, roller amount of inclining is η, and do not consider the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value D of roll1i=
D1yi, D2i=D2yi, D3i=D3yiWhen milling train outlet band forward pull cross direction profiles value σ001i；
Then, in step 7, it is considered to the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of roll is madexiFor i-th unit
Coordinate；
Then, in step 8, work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, in
Between roller roll shifting amount be δ, roller amount of inclining is η, and considers the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of rollWhen milling train outlet band
Forward pull cross direction profiles value σ0d1i；
Then, in step 9, i is madeη=0, F0=1010；
Then, in step 10, the roller amount η=- η that inclines is mademax+iηΔ η=- 150+0 × 1=-150um；
Then, in a step 11, work roll bending power is calculated for S using shape modelsw, intermediate calender rolls bending roller force be Sm, in
Between roller roll shifting amount be δ, roller amount of inclining is η, and considers the influence of roll neck concentric reducer defect, the actual roll shape Distribution Value of rollWhen milling train outlet band
Forward pull cross direction profiles value σηd1i, band forward pull cross direction profiles value σ001i、σ0d1iAnd σηd1i, as shown in Figure 6；
Then, in step 12, calculating target function
N represents band along laterally total bar member number；
Then, in step 13, inequality F=492.642 ＜ F0Set up, then make F0=F=492.642, ηy=η=-
150um, is transferred to step 14；
Then, at step 14, inequalitySet up, then make iη=iη+ 1=0+1
=1, then it is transferred to step 10；
Finally, in step 15, the roller amount η that most preferably inclines is obtainedy=49um, terminates to calculate.
Compensation effect explanation：In this embodiment, there is roll neck concentric reducer in top working roll, upper intermediate calender rolls and top backing up roll simultaneously
Defect.Using this patent compensation method can optimizing obtain most preferably inclining roller amount ηy, compensation effect now is as shown in Figure 7.From Fig. 7
Top working roll, upper intermediate calender rolls and top backing up roll (many rolls) be can clearly be seen that while when there is roll neck concentric reducer defect, together
Sample can bring unilateral unrestrained flatness defect, and its defect is the result under the comprehensive function of many roll diameter of roller concentric reducers.By mending
After repaying, the plate shape variable quantity because of caused by roll neck concentric reducer defect greatly reduces, so as to effectively solve because roll is big
Unilateral wave plate shape defect problem caused by microcephaly's defect.
Claims (1)
1. a kind of six-high cluster mill roll neck concentric reducer defect-compensating method, it is characterised in that：It includes what is performed below by computer
Step：
（a）The collection of basic equipment parameter, including roller diameter, roller height, roll remove concentric reducer defect after
Roll shape Distribution Value, the diameter difference on roll active side head and transmission side head, the maximum that milling train is allowed inclines roller amount, the maximum positive roller power of working roll, the negative bending roller force of working roll maximum, the maximum positive roller power of intermediate calender rolls, intermediate calender rolls are most
Roller power negative greatly, working roll bending cylinder distance, middle roll bending cylinder distance, support roller housing screw centre-to-centre spacing, correlation ginseng
Subscript in numberCross slat member number is represented,Roll numbering is represented,Represent upper backup roll,Intermediate calender rolls in representative,Generation
Table top working roll,Represent bottom working roll,Lower intermediate calender rolls are represented,Represent lower backing roll；
（b）Collect the basic rolling technological parameter of ideal format product, including thickness of strip cross direction profiles value, the average thickness of band
Degree, strip width B, resistance of deformation, roll-force P, mill speed v, elongation percentage, entrance mean tension, export mean tension；
（c）The optimal roller amount calculating process parameter that inclines of definition, roller amount of inclining, roller amount of inclining optimization step-length, object function, target letter
Number initial value, work roll bending power, intermediate calender rolls bending roller force, intermediate roll shifting amount, roller amount of most preferably inclining；
（d）The influence of roll neck concentric reducer defect is not considered, makes the actual roll shape Distribution Value of roll；
（e）Make work roll bending power, intermediate calender rolls bending roller force, intermediate roll shifting amount, roller amount of inclining, roller amount of inclining optimization step-length；
（f）Calculating work roll bending power using shape models is, intermediate calender rolls bending roller force be, intermediate roll shifting amount be, incline
Roller amount is, the actual roll shape Distribution Value of roll in the case where not considering roll neck concentric reducer defective effectWhen milling train
Export band forward pull cross direction profiles value；
（g）Consider the influence of roll neck concentric reducer defect, make the actual roll shape Distribution Value of roll,For
TheThe coordinate of individual Cross slat member；
（h）Calculating work roll bending power using shape models is, intermediate calender rolls bending roller force be, intermediate roll shifting amount be, incline
Roller amount is, the actual roll shape Distribution Value of roll in the case where considering roll neck concentric reducer defective effect
When milling train outlet band forward pull cross direction profiles value；
（i）Order,；
（j）Make roller amount of inclining；
（k）Calculating work roll bending power using shape models is, intermediate calender rolls bending roller force be, intermediate roll shifting amount be, incline
Roller amount is, the actual roll shape Distribution Value of roll on the premise of roll neck concentric reducer defective effect is considered
When milling train outlet band forward pull cross direction profiles value;
（l）Calculating target function,Represent band along laterally total bar
First number;
（m）Judge inequalityWhether set up, made if inequality is set up, it is transferred to step (n)；If
Inequality is invalid, then is directly transferred to step（n）；
（n）Judge inequalityWhether set up, made if inequality is set up, then it is transferred to step（j）；
Step is transferred to if inequality is invalid（o）；
（o）Obtain roller amount of most preferably inclining, terminate to calculate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410620597.XA CN104537136B (en) | 2014-11-06 | 2014-11-06 | A kind of six-high cluster mill roll neck concentric reducer defect-compensating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410620597.XA CN104537136B (en) | 2014-11-06 | 2014-11-06 | A kind of six-high cluster mill roll neck concentric reducer defect-compensating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104537136A CN104537136A (en) | 2015-04-22 |
| CN104537136B true CN104537136B (en) | 2017-08-11 |
Family
ID=52852663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410620597.XA Active CN104537136B (en) | 2014-11-06 | 2014-11-06 | A kind of six-high cluster mill roll neck concentric reducer defect-compensating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104537136B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106484975B (en) * | 2016-09-28 | 2019-04-30 | 燕山大学 | Four-high mill considers to flatten coefficient calculation method between roller when working roll horizontal deflection |
| CN112974545B (en) * | 2019-12-12 | 2022-09-06 | 上海梅山钢铁股份有限公司 | Method for preventing and controlling S-shaped middle wave defect of extremely-thin T5 material |
| CN113732065B (en) * | 2021-09-13 | 2023-04-18 | 本钢板材股份有限公司 | Tracing method for surface defects of cold-rolled strip steel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5653137A (en) * | 1989-05-31 | 1997-08-05 | Hitachi, Ltd. | Five-high rolling mill |
| DE10037004B4 (en) * | 2000-07-29 | 2004-01-15 | Sms Demag Ag | Roll stand for belt edge-oriented shifting of the intermediate rolls in a 6-roll stand |
| CN103464469B (en) * | 2013-09-06 | 2015-11-18 | 鞍钢股份有限公司 | A kind of edge drop amount control method of cold rolling non-orientation silicon steel |
-
2014
- 2014-11-06 CN CN201410620597.XA patent/CN104537136B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104537136A (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106475420B (en) | A kind of board-shape control method based on the setting of cold-strip steel target flatness | |
| CN104537136B (en) | A kind of six-high cluster mill roll neck concentric reducer defect-compensating method | |
| CN100413610C (en) | Control method for preventing head-bent of band-steel while milling course | |
| CN108405625B (en) | Downstream roll changing method for realizing online roll changing of ESP finishing mill group | |
| CN100515589C (en) | Technologic process and special apparatus for rolling seamless steel pipe | |
| CN103962391B (en) | Rolling load optimization method for hot continuous finishing mill group | |
| CN101318202A (en) | Zero positioning method for roller gap of stand-alone frame of roller mill | |
| CN107413856B (en) | It is a kind of that roller method is removed based on the change online roll change of specification of ESP mm finishing mill unit | |
| CN109351780B (en) | A kind of dynamic change code method for removing roller based on ESP mm finishing mill unit | |
| CN107052052A (en) | Multi-model full duration board rolling Strip Shape Control working roll and design method | |
| CN107096795A (en) | A kind of manufacture method for reducing edge defects of hot rolled strip steel | |
| CN105013835B (en) | Original roll gap establishing method based on roll thermal crown in the rolling of tandem mills strip in razor-thin | |
| CN105032945B (en) | A kind of hot tandem plate shape and plate convexity Comprehensive Control merit rating method | |
| CN101972776A (en) | Hot rolling production process of automatic tube rolling mill | |
| CN102688896A (en) | Mechanism model-based virtual crown gauge setting method for four-roll cold continuous rolling machine set | |
| CN102228905A (en) | Production process of hot continuous rolling seamless steel tube with small caliber | |
| CN104324939B (en) | A kind of belt steel rolling method | |
| CN203750993U (en) | Integrated inclined and longitudinal rolling anchor rod rolling mill | |
| CN1207114C (en) | Technology for rolling seamless steel pipe | |
| CN104525579B (en) | A kind of improvement method that is suitable for four-high mill roll and is tapered defect | |
| CN201346568Y (en) | Device for preventing emulsion liquid from channeling between frames | |
| CN105855298B (en) | A kind of high-precision boron-containing steel hot-rolling draught pressure computational methods | |
| CN110227722A (en) | Optimization method based on roll profile in roll changing period | |
| CN103962389B (en) | A kind of cooling water nozzle gradient that utilizes arranges the method controlling roll shape roll thermal crown | |
| CN104209345B (en) | Pass design method of continuous rolling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181107 Address after: 063600 Lingang Industrial Zone, Leting County, Tangshan City, Hebei Patentee after: Tangshan City Rong Ze steel processing Co., Ltd. Address before: 066004 438 west section of Hebei Avenue, Qinhuangdao, Hebei. Patentee before: Yanshan University |