CN104492814A - Roll contour configuration method for hot-rolling 1580mm temper mill - Google Patents
Roll contour configuration method for hot-rolling 1580mm temper mill Download PDFInfo
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- CN104492814A CN104492814A CN201410708344.8A CN201410708344A CN104492814A CN 104492814 A CN104492814 A CN 104492814A CN 201410708344 A CN201410708344 A CN 201410708344A CN 104492814 A CN104492814 A CN 104492814A
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- roll
- planisher
- hot rolling
- support roller
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Abstract
The invention provides a roll contour configuration method for a hot-rolling 1580mm temper mill. The method is characterized in that a sixth-order polynomial roll contour curve is adopted on a supporting roll of the hot-rolling 1580mm temper mill, and a fourth-order polynomial negative-convexity roll contour curve is adopted on a working roll of the hot-rolling 1580mm temper mill. According to the roll contour configuration method for the hot-rolling 1580mm temper mill, provided by the invention, the flattening capacity of the temper mill can be greatly improved, and the quality of strip shape is improved.
Description
Technical field
The invention belongs to hot-rolled leveling technical field, particularly a kind of hot rolling 1580mm planisher roll forming configuring method.
Background technology
In recent years, steel industry homogeneity competition causes entirety to suffer great loss, and domestic steel mill increases the exploitation of low cost, high added value kind one after another, promotes the fast development of " with hot Dai Leng " technology.This wherein hot rolling acid-cleaning plate and container plate account for major part, particularly the market space of thin gauge strip is huge.The market year demand of current domestic acid-cleaning plate is at more than 300t, and wherein 3.0mm and following thin slab product account for 87%; The market year demand of container plate is at 300-350t, and wherein 2.0mm and following thin slab product account for 45%.This series products milled sheet shape is difficult to control, and all needs to carry out technique smooth to meet the strict demand of user to Thin Strip Steel glacing flatness.
The hot rolling 1580mm planisher of current hot rolling mill is since operation, and thin gauge strip Strip Shape Control effect is unsatisfactory.Because bending roller force is in negative curved limit area always, limit the improvement ability of roller to shape wave, simultaneously because the uneven wear of hot rolling and leveling machine working roll causes the shape wave of thin gauge strip cannot be eliminated by technique adjustment, only be forced to frequently change working roll, cause the smooth volume number of single roller phase very few like this, what had a strong impact on newly-built planisher reaches production capacity power, and constrains the output of thin gauge strip, weakens the profitability of enterprise.And only by optimizing flattening process, cannot the demand be met.Therefore, for smoothing and rolling process, rational roll system arrangement is most important for the Strip Shape Control ability improving planisher.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of planisher roll forming configuring method that can strengthen the Strip Shape Control ability of hot rolling 1580mm planisher.
For solving the problems of the technologies described above, the invention provides a kind of hot rolling 1580mm planisher roll forming configuring method, the support roller of hot rolling 1580mm planisher adopts 6 order polynomial roll shape curves, the working roll of hot rolling 1580mm planisher adopts 4 order polynomials bear convexity roll shape curve.
Further, the roll forming equation of the 6 order polynomial roll shape curves described planisher support roller adopted is:
B(x)＝b
6x
6+b
5x
5+b
4x
4+b
3x
3+b
2x
2+b
1x+b
0
In formula, B (x) is support roller semidiameter, and unit is μm; X is support roller body of roll coordinate, and the origin of coordinates is in one end of roll, and unit is mm; Polynomial equation coefficient is respectively b
6=1.220099E+02, b
5=-1.760448E-07, b
4=2.102859E+01, b
3=2.067268E-07, b
2=-2.831263, b
1=-4.767776E-08, b
0=1.672938E-01.
Further, the barrel length of described planisher support roller is 1580mm.
Further, the roll forming equation that 4 order polynomials described planisher working roll adopted bear convexity roll shape curve is:
R(x)＝r
4x
4+r
2x
2+r
1x+r
0
In formula, R (x) is working roll semidiameter, and unit is μm; X is working roll body of roll coordinate, and the origin of coordinates is in the centre position of roll, and unit is mm; Polynomial equation coefficient is respectively r
4=-9.993557E-11, r
2=1.248611E-04, r
1=6.871066E-12, r
0=2.786135E-02.
Further, the barrel length of described planisher working roll is 1980mm.
A kind of hot rolling 1580mm planisher roll forming configuring method provided by the invention, by reconfiguring roll forming, the plate shape ability of regulation and control of work roll bending is made to improve more than 20%, the smooth ability of planisher is particularly greatly improved to the smooth ability of thin gauge strip, the smooth amount of single cover working roll is made to add more than 85%, the degree of wear of working roll also makes moderate progress, and the shape wave improvement level of emphasis kind improves further, enhances the ability that reducing enterprise cost increases income.And roll forming optimization is without the need to carrying out any transformation to equipment, only on roll, grinding need goes out given roll shape curve, easily applying on Ge great steel mill hot rolling and leveling machine of the same type, enforcement is convenient and cost is very low.
Accompanying drawing explanation
Fig. 1 is the backup roll contour curve map of the present invention for hot rolling 1580mm planisher;
Fig. 2 is the shape of working roll curve map of the present invention for hot rolling 1580mm planisher;
Fig. 3 is the Strip Shape Control ability contrast adopted before and after roll system arrangement of the present invention;
Fig. 4 adopts the working roller abrasion comparison diagram before and after roll system arrangement of the present invention;
Detailed description of the invention
A kind of hot rolling 1580mm planisher roll forming configuring method that the embodiment of the present invention provides, the support roller of hot rolling 1580mm planisher adopts 6 order polynomial roll shape curves, the working roll of hot rolling 1580mm planisher adopts 4 order polynomials bear convexity roll shape curve.
Wherein, the roll forming equation of 6 order polynomial roll shape curves planisher support roller adopted is:
B(x)＝b
6x
6+b
5x
5+b
4x
4+b
3x
3+b
2x
2+b
1x+b
0
In formula, B (x) is support roller semidiameter, and unit is μm; X is support roller body of roll coordinate, and the origin of coordinates is in one end of roll, and unit is mm; Polynomial equation coefficient is respectively b
6=1.220099E+02, b
5=-1.760448E-07, b
4=2.102859E+01, b
3=2.067268E-07, b
2=-2.831263, b
1=-4.767776E-08, b
0=1.672938E-01.
Wherein, the barrel length of planisher support roller is 1580mm.
Wherein, the roll forming equation that 4 order polynomials planisher working roll adopted bear convexity roll shape curve is:
R(x)＝r
4x
4+r
2x
2+r
1x+r
0
In formula, R (x) is working roll semidiameter, and unit is μm; X is working roll body of roll coordinate, and the origin of coordinates is in the centre position of roll, and unit is mm; Polynomial equation coefficient is respectively r
4=-9.993557E-11, r
2=1.248611E-04, r
1=6.871066E-12, r
0=2.786135E-02.
Wherein, the barrel length of planisher working roll is 1980mm.
Now for certain hot rolling mill 1580mm hot rolling and leveling machine, hot rolling 1580mm planisher roll forming configuring method provided by the invention is illustrated.
Skin pass mill group primary parameters of test apparatus: support roller roller footpath is 1000-1100mm, barrel length is 1550mm; Working roll roller footpath is 500-550mm, and barrel length is 1980mm; Possess ± the one-sided roller ability of 60t and ± 200mm Long travel roll shifting scope, percentage elongation≤4%; Strip width scope is 700-1450mm, and thickness range is 1.0-6.5mm; Forward pull is 18t to the maximum, and backward pull is 30t to the maximum; Maximum rolling force reaches 1650t.
Support roller see Fig. 1,1580mm hot rolling and leveling machine adopts 6 order polynomial roll shape curves, and the roll shape curve of its support roller is set as:
B(x)＝1.220099E+02x
6-1.760448E-07x
5+2.102859E+01x
4
+2.067268E-07x
3-2.831263x
2-4.767776E-08x+1.672938E
-01
Working roll see Fig. 2,1580mm hot rolling and leveling machine adopts 4 order polynomials to bear convexity roll shape curve, and the roll shape curve of its support roller is set as:
R(x)＝-9.993557E-11x
4+1.248611E-04x
2
+6.871066E-12x+2.786135E-02
See Fig. 3, four roller planisher limit element artificial module are adopted to carry out analysis contrast to the Strip Shape Control ability of planisher under two kinds of roll system arrangements, in the adjustable range of bending roller force from-60t to 0t, roll system arrangement of the present invention configures compared to plain-barreled roll, and its convexity regulates territory to improve 24.0%; In the adjustable range of bending roller force from-60t to 20t, its convexity regulates territory to improve 27.8%, and this illustrates that its Strip Shape Control ability of planisher adopting roll system arrangement of the present invention is stronger, and especially the regulating power of the positive roller of working roll promotes more remarkable.
See Fig. 4, adopt hot rolling 1580mm planisher roll forming configuring method provided by the invention, no matter lower machine wearing and tearing roll forming is that wear extent or uniformity all have clear improvement, and the smooth amount of single cover working roll adds more than 85%.
After hot rolling 1580mm planisher roll forming configuring method provided by the invention is applied to certain hot rolling mill 1580mm planisher, the plate shape ability of regulation and control of work roll bending improves more than 20%, especially the smooth ability of thin gauge strip and strip shape quality can be made to be largely increased, can promote that the production capacity of this type of high added value kind promotes steadily, the ability that enhancing reducing enterprise cost increases income and the competitiveness of product in market.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (5)
1. a hot rolling 1580mm planisher roll forming configuring method, is characterized in that: in the support roller of hot rolling 1580mm planisher, adopt 6 order polynomial roll shape curves, the working roll of hot rolling 1580mm planisher adopts 4 order polynomials bear convexity roll shape curve.
2. hot rolling 1580mm planisher roll forming configuring method according to claim 1, is characterized in that: the roll forming equation of the 6 order polynomial roll shape curves that described support roller adopts is:
B(x)＝b
6x
6+b
5x
5+b
4x
4+b
3x
3+b
2x
2+b
1x+b
0
In formula, B (x) is support roller semidiameter, and unit is μm; X is support roller body of roll coordinate, and the origin of coordinates is in one end of roll, and unit is mm; Polynomial equation coefficient is respectively b
6=1.220099E+02, b
5=-1.760448E-07, b
4=2.102859E+01, b
3=2.067268E-07, b
2=-2.831263, b
1=-4.767776E-08, b
0=1.672938E-01.
3. hot rolling 1580mm planisher roll forming configuring method according to claim 2, is characterized in that: the barrel length of described support roller is 1580mm.
4. hot rolling 1580mm planisher roll forming configuring method according to claim 1, is characterized in that: the roll forming equation that 4 order polynomials that described working roll adopts bear convexity roll shape curve is:
R(x)＝r
4x
4+r
2x
2+r
1x+r
0
In formula, R (x) is working roll semidiameter, and unit is μm; X is working roll body of roll coordinate, and the origin of coordinates is in the centre position of roll, and unit is mm; Polynomial equation coefficient is respectively r
4=-9.993557E-11, r
2=1.248611E-04, r
1=6.871066E-12, r
0=2.786135E-02.
5. hot rolling 1580mm planisher roll forming configuring method according to claim 4, is characterized in that: the barrel length of described working roll is 1980mm.
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|---|---|---|---|
| CN201410708344.8A CN104492814B (en) | 2014-11-28 | 2014-11-28 | A kind of hot rolling 1580mm planisher roll forming configuring method |
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| CN201410708344.8A CN104492814B (en) | 2014-11-28 | 2014-11-28 | A kind of hot rolling 1580mm planisher roll forming configuring method |
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| CN104492814B CN104492814B (en) | 2016-06-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719136A (en) * | 2018-12-24 | 2019-05-07 | 唐山钢铁集团有限责任公司 | A kind of six power support roller roller curves |
| CN110385343A (en) * | 2019-07-26 | 2019-10-29 | 首钢集团有限公司 | A kind of hot rolling and leveling machine warpage control method |
| CN112122341A (en) * | 2020-08-10 | 2020-12-25 | 山西太钢不锈钢股份有限公司 | Combined roller type of temper mill |
| CN114406009A (en) * | 2022-01-26 | 2022-04-29 | 北京首钢股份有限公司 | Method and device for determining roll shape of crown control capability |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276273A (en) * | 1999-05-20 | 2000-12-13 | 丹尼利联合公司－丹尼利公司分公司 | Antisymmetric variety arch rollers and combination method thereof |
| US6314776B1 (en) * | 2000-10-03 | 2001-11-13 | Alcoa Inc. | Sixth order actuator and mill set-up system for rolling mill profile and flatness control |
| CN101554635A (en) * | 2009-05-18 | 2009-10-14 | 首钢总公司 | Method for configuring shape of supporting roll of four-high mill and shape of working roll thereof |
| CN101837369A (en) * | 2009-03-17 | 2010-09-22 | 上海梅山钢铁股份有限公司 | Roller of four-high rougher |
| CN102632111A (en) * | 2012-04-06 | 2012-08-15 | 马钢(集团)控股有限公司 | Semi-process electrical steel plate flattening machine and method for flattening steel plate by using semi-process electrical steel plate flattening machine |
| CN102716911A (en) * | 2012-06-21 | 2012-10-10 | 首钢总公司 | Composite supporting roll for hot-continuous rolling wide-strip-steel four-roll mill |
-
2014
- 2014-11-28 CN CN201410708344.8A patent/CN104492814B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276273A (en) * | 1999-05-20 | 2000-12-13 | 丹尼利联合公司－丹尼利公司分公司 | Antisymmetric variety arch rollers and combination method thereof |
| US6314776B1 (en) * | 2000-10-03 | 2001-11-13 | Alcoa Inc. | Sixth order actuator and mill set-up system for rolling mill profile and flatness control |
| CN101837369A (en) * | 2009-03-17 | 2010-09-22 | 上海梅山钢铁股份有限公司 | Roller of four-high rougher |
| CN101554635A (en) * | 2009-05-18 | 2009-10-14 | 首钢总公司 | Method for configuring shape of supporting roll of four-high mill and shape of working roll thereof |
| CN102632111A (en) * | 2012-04-06 | 2012-08-15 | 马钢(集团)控股有限公司 | Semi-process electrical steel plate flattening machine and method for flattening steel plate by using semi-process electrical steel plate flattening machine |
| CN102716911A (en) * | 2012-06-21 | 2012-10-10 | 首钢总公司 | Composite supporting roll for hot-continuous rolling wide-strip-steel four-roll mill |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719136A (en) * | 2018-12-24 | 2019-05-07 | 唐山钢铁集团有限责任公司 | A kind of six power support roller roller curves |
| CN109719136B (en) * | 2018-12-24 | 2021-02-26 | 唐山钢铁集团有限责任公司 | Roll-shaped curve of hexagonal square supporting roll |
| CN110385343A (en) * | 2019-07-26 | 2019-10-29 | 首钢集团有限公司 | A kind of hot rolling and leveling machine warpage control method |
| CN112122341A (en) * | 2020-08-10 | 2020-12-25 | 山西太钢不锈钢股份有限公司 | Combined roller type of temper mill |
| CN112122341B (en) * | 2020-08-10 | 2022-04-26 | 山西太钢不锈钢股份有限公司 | Combined roller type of temper mill |
| CN114406009A (en) * | 2022-01-26 | 2022-04-29 | 北京首钢股份有限公司 | Method and device for determining roll shape of crown control capability |
| CN114406009B (en) * | 2022-01-26 | 2023-09-29 | 北京首钢股份有限公司 | Roll shape determining method and device with convexity control capability |
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| CN104492814B (en) | 2016-06-29 |
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Address after: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee after: Shougang Group Co. Ltd. Address before: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee before: Capital Iron & Steel General Company |