CN103084408A - Strip steel surface roughness control method suitable for double-stand temper mill set - Google Patents
Strip steel surface roughness control method suitable for double-stand temper mill set Download PDFInfo
- Publication number
- CN103084408A CN103084408A CN 201310013209 CN201310013209A CN103084408A CN 103084408 A CN103084408 A CN 103084408A CN 201310013209 CN201310013209 CN 201310013209 CN 201310013209 A CN201310013209 A CN 201310013209A CN 103084408 A CN103084408 A CN 103084408A
- Authority
- CN
- China
- Prior art keywords
- roll
- force
- frame
- roughness
- band
- 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.)
- Pending
Links
Images
Landscapes
- Metal Rolling (AREA)
Abstract
A strip steel surface roughness control method suitable for a double-stand temper mill set mainly comprises the following steps which are executed by a computer: first, collecting the device characteristic parameters of the double-stand temper mill set, the strip key rolling technological parameter of a to-be-comprehensively-set metal pattern diameter and the strip key quality parameter of the to-be-comprehensively-set metal pattern diameter; second, calculating the percentage elongation under current roll force and front and back tensile stress and the distribution of outlet tensile stress; calculating the roughness of outlet strip steel of a first machine frame, calculating the roughness of outlet strip steel of a second machine frame, and calculating the roughness to control an objective function; and fourth, setting optimum first roll force and optimum second roll force, and completing setting of the roll force by adjusting the position of a piston. The strip steel surface roughness control method suitable for the double-stand temper mill set avoids the problems that the double-stand temper mill set is singularly controlled and considering is not comprehensive, avoids bad surface roughness of the strip steel, and has important guiding significance to site production.
Description
Technical field
The present invention relates to the skin pass rolling technology, particularly a kind of belt steel surface roughness control method that is applicable to the Two-stand Temper Mill group.
Background technology
Surface roughness is as one of key character of smooth finished strip, and it not only has influence on deformational behavior when pressing with steel drift and the outward appearance looks after coating, and can change the corrosion resistance of material.From present Quality Developing trend, the roughness of belt steel surface is controlled has become important quality index, especially most important to Automobile Plate.How to set up planisher plate surface roughness forecasting model, the belt steel surface roughness value that produce is forecast, finally reach prior adjustment, avoid roughness overproof, become the Focal point and difficult point of site technology tackling key problem.For the Two-stand Temper Mill group, outlet comprises 1# frame working roll roughness, 2# frame working roll roughness, supplied materials roughness, 1# roll-force, 2# roll-force with the control parameter of steel roughness.In the production process of Two-stand Temper Mill group, often only 1# frame working roll roughness, 2# frame working roll roughness were set in the past, do not considered the impact of roll-force.And in fact, roll-force is obvious with the roughness impact of steel on outlet, and especially very large to the working roll roughness difference of this two frames Two-stand Temper Mill group affects very important especially.
(list of references: [1] Bai Zhenhua, Liu Hongmin, Li Xiujun, Deng. skin pass rolling process modeling [M]. Beijing: metallurgical industry publishing house, 2010:1-100.[2] Zhou Qingtian, Bai Zhenhua, Wang Junfei. the research of Strip Surface Roughness Model about Tandem Cold Mill and application thereof [J]. China Mechanical Engineering, 2007,18 (14): 1743-1746.[3] Bai Zhenhua, Kang Xiaopeng, Long Ruibing, Deng. Practical skin pass rolling pressure model and self study technical research [J] thereof. iron and steel, 2008,43 (10): 51-54.)
Summary of the invention
The object of the present invention is to provide and a kind ofly can avoid the overproof belt steel surface roughness control method that is applicable to the Two-stand Temper Mill group of belt steel surface roughness.The present invention is mainly as object function outlet band roughness, breaking elongation, plate shape are satisfied contract requirement as constraints, by the distribution to two frame roll-forces, at utmost expand the scope of the outlet belt steel surface roughness of Two-stand Temper Mill group.
Technical scheme of the present invention is as follows:
A kind of band steel roughness control method that is suitable for the Two-stand Temper Mill group comprises the following step that can be carried out by computer:
(a) collect the apparatus characteristic parameter of Two-stand Temper Mill group, mainly comprise: 1# frame work roll diameter D
w1, 2# frame work roll diameter D
w2, working roll and backing roll original roller type Distribution Value Δ D
wi, Δ D
bi, working roll and backing roll barrel length L
1, L
2, working roll bending cylinder is apart from l
2, housing screw center square l
1, the maximum bending roller force that allows of work roll bending
With
Machine roughness Ra on 1# frame working roll
1, machine roughness Ra on 2# frame working roll
2, the rolling milimeter number L of 1# frame working roll
1, the rolling milimeter number L of 2# working roll
2, 1# frame roll-force allows maximum P
1max, 2# frame roll-force allows maximum P
1max, exit plate surface roughness roll duplicates the inlet thickness influence coefficient α of part mid frame band
h, α
h′, frame exit plate surface roughness heredity part mid frame band inlet thickness influence coefficient β
h, frame exit plate surface roughness heredity part and duplicate the material influence coefficient α of last frame band in part
k, β
k, frame exit plate surface roughness heredity part duplicates percentage elongation rate influence coefficient α in part with roll
ε, β
ε, unit equipment properties influence parameter η
1, η
2
(b) collect the crucial rolling technological parameter of the band for the treatment of synthetic setting metal pattern parameter, mainly comprise: the thickness cross direction profiles value H of band supplied materials
i, the supplied materials roughness Ra
s0, incoming profile cross direction profiles value L
i, the width B of band, entrance tension force T
0, intermediate tension T
1, outlet tension force T
2, outlet tensile stress mean value σ
2
(c) collect the crucial mass parameter of the band for the treatment of synthetic setting metal pattern parameter, mainly comprise: the maximum plate shape SHAPE* of permission; The maximum percentage elongation ε that allows
maxThe minimum percentage elongation ε that allows
minThe Ra ' of the standard roughness of belt steel surface
s
(e) target setting function initial value F
0=1.0 * 10
20, 1# roll-force initial value P
10=P
1max/ 5 and optimizing step delta P
1, the initial value P of 2# roll-force
20=P
2max/ 6 and optimizing step delta P
2
(f) set 1# roll-force optimizing pilot process parameter k
1, and make k
1=0;
(g) make 1# roll-force P
1=P
10+ k
1Δ P
1
(h) set 2# roll-force optimizing pilot process parameter k
2, and make k
2=0;
(i) make 2# roll-force P
2=P
20+ k
2Δ P
2
(j) calculate percentage elongation ε under current roll-force, front and back tensile stress;
(k) judgement inequality ε
min<ε<ε
maxSet up? as setting up, change step (l) over to; Otherwise, change step (r) over to;
(l) utilize the roll elastic deformation model to calculate outlet tensile stress distribution σ
2i
(m) judgement inequality (max (σ
2i)-min (σ
2i))/σ
2Does≤SHAPE* set up? as setting up, change step (n) over to, otherwise, change step (r) over to;
(n) calculate 1# frame outlet band steel roughness Ra
s1, its expression formula is
(o) calculate 2# frame outlet band steel roughness Ra
s2, its expression formula is
(p) calculate roughness Controlling object function F=| (Ra
s2-Ra '
s)/Ra '
s|;
(q) judgement inequality F<F
0Set up? if set up, make F
0=F, optimum 1# roll-force P
1y=P
1, optimum 2# roll-force P
2y=P
2, change step (r) over to; Otherwise, directly turn step (r);
(r) judgement inequality
Set up? if inequality is set up, make k
2=k
2+ 1 changes step (i) over to; Otherwise change step (s) over to;
(s) judgement inequality
Set up? if inequality is set up, make k
1=k
1+ 1 changes step (g) over to; Otherwise change step (t) over to;
(t) set optimum 1# roll-force P
1y, optimum 2# roll-force P
2y
Advantage of the present invention is: avoided the Two-stand Temper Mill group to control separately, consider incomplete problem, can satisfy simultaneously the requirement of two important indicators, at utmost expand the scope of the outlet belt steel surface roughness of Two-stand Temper Mill group, avoid the belt steel surface roughness overproof, produced on-site is had important directive significance.
Description of drawings
Fig. 1 is that the present invention always calculates flow chart;
Fig. 2 is resulting forward pull distribution map in the embodiment of the present invention 1;
Fig. 3 is according to the resulting forward pull distribution map of conventional method;
Fig. 4 is the resulting forward pull distribution map of the embodiment of the present invention 2;
Fig. 5 is according to the resulting forward pull distribution map of conventional method.
The specific embodiment
As shown in Figure 1, be suitable for the band steel roughness control technology calculation flow chart of Two-stand Temper Mill group existing take the supplied materials trade mark as SPCC, specification is example as the band steel of 0.50mm * 1022mm:
At first, collect the apparatus characteristic parameter of Two-stand Temper Mill group in step (a), mainly comprise: 1# frame work roll diameter D
w1=450mm, 2# frame work roll diameter D
w2=500mm, working roll and backing roll original roller type Distribution Value Δ D
wi=0, Δ D
bi=0, working roll and backing roll barrel length L
1=1450mm, L
2=1450mm, the inside and outside roll-bending cylinder of working roll are apart from l
2=2300mm, housing screw center square l
1The maximum bending roller force that=2300mm, work roll bending allow
With
Machine roughness Ra on 1# frame working roll
1Machine roughness Ra on=1.58 μ m, 2# frame working roll
2=0.28 μ m, the rolling milimeter number L of 1# frame working roll
1=56km, the rolling milimeter number L of 2# working roll
2=251km, 1# frame roll-force allow maximum P
1max=12000kN, 2# frame roll-force allow maximum P
2max=12000kN, exit plate surface roughness roll duplicate the inlet thickness influence coefficient α of part mid frame band
h=0.107, α
h′=0.0212, the inlet thickness influence coefficient β of frame exit plate surface roughness heredity part mid frame band
h=1.24, frame exit plate surface roughness heredity part and the material influence coefficient α that duplicates last frame band in part
k=2.18, β
k=-3.25, frame exit plate surface roughness heredity part is duplicated percentage elongation rate influence coefficient α in part with roll
ε=-121.6, β
ε=17.92, unit equipment properties influence parameter η
1=0.576, η
2=1.183;
Subsequently, in step (b), collect the crucial rolling technological parameter of the band for the treatment of synthetic setting metal pattern parameter, mainly comprise: the thickness cross direction profiles value of band supplied materials
H
i={ 0.499,0.500,0.502,0.503,0.503,0.504,0.504,0.504,0.505,0.505,0.505,0.505,0.505,0.505,0.505,0.504,0.504,0.504,0.503,0.503,0.502,0.500,0.499}, the mm of unit;
Supplied materials yield limit σ
s=190MPa, supplied materials roughness Ra
s0The cross direction profiles value L of=0.53 μ m, incoming profile
i=0, the width B=1022mm of band, entrance tension force T
0=3400kg, intermediate tension T
1=3450kg, outlet tension force T
2=3500kg, outlet tensile stress mean value σ
2=68.1MPa;
Subsequently, in step (c), collect the crucial mass parameter of the band for the treatment of synthetic setting metal pattern parameter, mainly comprise: the maximum plate shape SHAPE*=0.6 of permission; The maximum percentage elongation ε that allows
max=1.5%; The minimum percentage elongation ε that allows
min=1.1%; The Ra ' of the standard roughness of belt steel surface
s=0.23 μ m;
Subsequently, in step (e), target setting function initial value F
0=1.0 * 10
20, 1# roll-force initial value P
10=P
1max/ 5=2400kN and optimizing step delta P
1=500kN, the initial value P of 2# roll-force
20=P
2max/ 6=2000kN and optimizing step delta P
2=200kN;
Subsequently, in step (f), set 1# roll-force optimizing pilot process parameter k
1, and make k
1=0;
Subsequently, in step (g), make 1# roll-force P
1=P
10+ k
1Δ P
1=2400kN;
Subsequently, in step (h), set 2# roll-force optimizing pilot process parameter k
2, and make k
2=0;
Subsequently, in step (i), make 2# roll-force P
2=P
20+ k
2Δ P
2=2000kN;
Subsequently, in step (j), calculate percentage elongation ε under current roll-force, front and back tensile stress=1.15%;
Subsequently, in step (k), judgement inequality ε
min<ε<ε
maxSet up? inequality 1.1%<ε<1.5% is obviously set up, and changes step (l) over to; Otherwise, change step (r) over to;
Subsequently, in step (l), utilize the roll elastic deformation model to calculate the outlet tensile stress and distribute
σ
2i={ 54.3,55.7,58.2,61.3,64.8,68.3,71.5,74.4,76.7,78.5,79.6,79.9,79.6,78.5,76.7,74.4,71.5,68.3,64.8,61.3,58.2,55.7,54.3}, units MPa;
Subsequently, in step (m), judgement inequality (max (σ
2i)-min (σ
2i))/σ
2Does≤SHAPE* set up? inequality (79.9-54.3)/68.1≤0.6 is obviously set up, and changes step (n) over to; Otherwise, change step (n) over to;
Subsequently, in step (n), calculate 1# frame outlet band steel roughness Ra
s1, its expression formula is
Subsequently, in step (o), calculate 2# frame outlet band steel roughness Ra
s2, its expression formula is
Subsequently, in step (p), calculate roughness Controlling object function F=| (Ra
s2-Ra '
s)/Ra '
s|=0.35;
Subsequently, in step (q), judgement inequality F<F
0Set up? if inequality is set up, make F
0=F=0.35, optimum 1# roll-force P
1y=P
1=2400kN, optimum 2# roll-force P
2y=P
2=2000kN changes step (r) over to; Otherwise, directly turn step (r);
Subsequently, in step (r), judgement inequality k
2Do<19 set up? if inequality is set up, make k
2=k
2+ 1=1 changes step (i) over to; Otherwise change step (s) over to;
Subsequently, in step (s), judgement inequality k
1Do<50 set up? if inequality is set up, make k
1=k
1+ 1=1 changes step (g) over to; Otherwise change step (t) over to;
At last, in step (t), export optimum 1# roll-force P
1y=3400kN, optimum 2# roll-force P
2y=2000kN.
At last, for convenient contrast, list respectively and adopt roughness control method of the present invention and adopt conventional method to control roughness, its relevant effect is to such as shown in Fig. 2, Fig. 3 and table 1, provide respectively the outlet tensile stress distribution situation that adopts the characterization board shape that the present invention and conventional method draw, can find out by Fig. 2 and Fig. 3, adopt the present invention to export Tension Difference and be reduced to 25.62Mpa from 38.37MPa, this explanation the present invention has improved the uniformity coefficient that the outlet tensile stress distributes, and has namely improved strip shape quality.By table 1 contrast, can find out, compare with conventional method, the roughness of product can't be up to standard, and adopt optimization method of the present invention, and the products export roughness has reached claimed range, and the elongation control precision can arrive raising simultaneously.To sum up, the present invention can effectively improve the quality of products as can be known, guarantees production efficiency, for enterprise brings larger economic benefit.
Table 1
Embodiment 2
Take the supplied materials trade mark as SPCC, specification is example as the band steel of 0.19mm * 1022mm, describe specific steel grade and specification with band steel roughness control procedure and the relevant effect of steel in specific Two-stand Temper Mill group.
At first, collect the apparatus characteristic parameter of Two-stand Temper Mill group in step (a), mainly comprise: 1# frame work roll diameter D
w1=450mm, 2# frame work roll diameter D
w2=500mm, working roll and backing roll original roller type Distribution Value Δ D
wi=0, Δ D
bi=0, working roll and backing roll barrel length L
1=1450mm, L
2=1450mm, the inside and outside roll-bending cylinder of working roll are apart from l
2=2300mm, housing screw center square l
1The maximum bending roller force that=2300mm, work roll bending allow
With
Machine roughness Ra on 1# frame working roll
1Machine roughness Ra on=1.55 μ m, 2# frame working roll
2=0.26 μ m, the rolling milimeter number L of 1# frame working roll
1=133km, the rolling milimeter number L of 2# working roll
2=343km, 1# frame roll-force allow maximum P
1max=12000kN, 2# frame roll-force allow maximum P
2max=12000kN, exit plate surface roughness roll duplicate the inlet thickness influence coefficient α of part mid frame band
h=0.107, α
h′=0.0212, the inlet thickness influence coefficient β of frame exit plate surface roughness heredity part mid frame band
h=1.24, frame exit plate surface roughness heredity part and the material influence coefficient α that duplicates last frame band in part
k=2.18, β
k=-3.25, frame exit plate surface roughness heredity part is duplicated percentage elongation rate influence coefficient α in part with roll
ε=-121.6, β
ε=17.92, unit equipment properties influence parameter η
1=0.576, η
2=1.183;
Subsequently, in step (b), collect the crucial rolling technological parameter of the band for the treatment of synthetic setting metal pattern parameter, mainly comprise: the thickness cross direction profiles value of band supplied materials
H
i={ 0.189,0.190,0.190,0.191,0.191,0.191,0.192,0.192,0.192,0.192,0.192,0.192,0.192,0.192,0.192,0.192,0.192,0.191,0.191,0.191,0.190,0.190,0.189}, the mm of unit;
Supplied materials yield limit σ
s=390MPa, supplied materials roughness Ra
s0The cross direction profiles value L of=0.69 μ m, incoming profile
i=0, the width B=1022mm of band, entrance tension force T
0=2000kg, intermediate tension T
1=3550kg, outlet tension force T
2=3000kg, outlet tensile stress mean value σ
2=188MPa;
Subsequently, in step (c), collect the crucial mass parameter of the band for the treatment of synthetic setting metal pattern parameter, mainly comprise: the maximum plate shape SHAPE*=0.6 of permission; The maximum percentage elongation ε that allows
max=1.5%; The minimum percentage elongation ε that allows
min=1.1%; The Ra ' of the standard roughness of belt steel surface
s=0.23 μ m;
Subsequently, in step (e), target setting function initial value F
0=1.0 * 10
20, 1# roll-force initial value P
10=P
1max/ 5=2400kN and optimizing step-length Ε P
1=500kN, the initial value P of 2# roll-force
20=P
2max/ 6=2000kN and optimizing step delta P
2=200kN;
Subsequently, in step (f), set 1# roll-force optimizing pilot process parameter k
1, and make k
1=0;
Subsequently, in step (g), make 1# roll-force P
1=P
10+ k
1Δ P
1=2400kN;
Subsequently, in step (h), set 2# roll-force optimizing pilot process parameter k
2, and make k
2=0;
Subsequently, in step (i), make 2# roll-force P
2=P
20+ k
2Δ P
2=2000kN;
Subsequently, in step (j), calculate breaking elongation ε under current roll-force, front and back tensile stress=0.81%;
Subsequently, in step (k), judgement inequality ε
min<ε<ε
maxSet up? if inequality 1.1%<ε<1.5% is set up, change step (l) over to; Otherwise, changing step (r) over to, circulation is until 1# roll-force P
1=P
10+ k
1Δ P
1=2400kN, 2# roll-force P
2=P
20+ k
2Δ P
2During=3800kN, ε=1.11%, 1.1%<ε<1.3% is set up;
Subsequently, in step (l), utilize the roll elastic deformation model to calculate the outlet tensile stress and distribute
σ
2i={ 164.3,170.6,176.3,181.6,186.3,190.4,193.9,196.7,199.0,200.6,201.5,201.8,201.5,200.6,199.0,196.7,193.9,190.4,186.3,181.6,176.3,170.6,164.3}, units MPa;
Subsequently, in step (m), judgement inequality (max (σ
2i)-min (σ
2i))/σ
2Does≤SHAPE* set up? inequality (201.8-164.3)/188≤0.6 is obviously set up, and changes step (n) over to, otherwise, change step (r) over to;
Subsequently, in step (n), calculate 1# frame outlet band steel roughness Ra
s1, its expression formula is
Subsequently, in step (o), calculate 2# frame outlet band steel roughness Ra
s2, its expression formula is
Subsequently, in step (p), calculate roughness Controlling object function F=| (Ra
s2-Ra '
s)/Ra '
s|=0.22;
Subsequently, in step (q), judgement inequality F<F
0Set up? if inequality is set up, make F
0=F=0.22, optimum 1# roll-force P
1y=P
1=2400kN, optimum 2# roll-force P
2y=P
2=3800kN changes step (r) over to; Otherwise, directly turn step (r);
Subsequently, in step (r), judgement inequality k
2Do<19 set up? if inequality is set up, make k
2=k
2+ 1=10 changes step (i) over to; Otherwise change step (s) over to;
Subsequently, in step (s), judgement inequality k
1Do<50 set up? if inequality is set up, make k
1=k
1+ 1=1 changes step (g) over to; Otherwise change step (t) over to;
At last, in step (t), export optimum 1# roll-force P
1y=5400kN, optimum 2# roll-force P
2y=3200kN.
At last, for convenient contrast, list respectively and adopt roughness control method of the present invention and adopt conventional method to control roughness, with its relevant effect to such as shown in Fig. 4, Fig. 5 and table 2, provide respectively the outlet tensile stress distribution situation that adopts the characterization board shape that the present invention and conventional method draw, can find out by Fig. 4 and Fig. 5, adopt the present invention to export Tension Difference and be reduced to 30.02Mpa from 47.47MPa, this explanation the present invention has improved the uniformity coefficient that the outlet tensile stress distributes, and has namely improved strip shape quality.By table 2 contrast, can find out, compare with conventional method, the roughness of product can't be up to standard, and adopt optimization method of the present invention, and the products export roughness has reached claimed range, and the elongation control precision can arrive raising simultaneously.
Table 2
Claims (1)
1. belt steel surface roughness control method that is applicable to the Two-stand Temper Mill group is characterized in that: it comprises the following step that can be carried out by computer:
(a) collect the apparatus characteristic parameter of Two-stand Temper Mill group, mainly comprise: 1# frame work roll diameter D
w1, 2# frame work roll diameter D
w2, working roll and backing roll original roller type Distribution Value Δ D
wi, Δ D
bi, working roll and backing roll barrel length L
1, L
2, working roll bending cylinder is apart from l
2, housing screw center square l
1, the maximum bending roller force that allows of work roll bending
With
Machine roughness Ra on 1# frame working roll
1, machine roughness Ra on 2# frame working roll
2, the rolling milimeter number L of 1# frame working roll
1, the rolling milimeter number L of 2# working roll
2, 1# frame roll-force allows maximum P
1max, 2# frame roll-force allows maximum P
2max, exit plate surface roughness roll duplicates the inlet thickness influence coefficient α of part mid frame band
h, α
h′, frame exit plate surface roughness heredity part mid frame band inlet thickness influence coefficient β
h, frame exit plate surface roughness heredity part and duplicate the material influence coefficient α of last frame band in part
k, β
k, frame exit plate surface roughness heredity part duplicates percentage elongation rate influence coefficient α in part with roll
ε, β
ε, unit equipment properties influence parameter η
1, η
2
(b) collect the crucial rolling technological parameter of the band for the treatment of synthetic setting metal pattern parameter, mainly comprise: the thickness cross direction profiles value H of band supplied materials
i, the supplied materials roughness Ra
s0, incoming profile cross direction profiles value L
i, the width B of band, entrance tension force T
0, intermediate tension T
1, outlet tension force T
2, outlet tensile stress mean value σ
2
(c) collect the crucial mass parameter of the band for the treatment of synthetic setting metal pattern parameter, mainly comprise: the maximum plate shape SHAPE* of permission; The maximum percentage elongation ε that allows
maxThe minimum percentage elongation ε that allows
minThe Ra ' of the standard roughness of belt steel surface
s
(e) target setting function initial value F
0=1.0 * 10
20, 1# roll-force initial value P
10=P
1max/ 5 and optimizing step delta P
1, the initial value P of 2# roll-force
20=P
2max/ 6 and optimizing step delta P
2
(f) set 1# roll-force optimizing pilot process parameter k
1, and make k
1=0;
(g) make 1# roll-force P
1=P
10+ k
1Δ P
1
(h) set 2# roll-force optimizing pilot process parameter k
2, and make k
2=0;
(i) make 2# roll-force P
2=P
20+ k
2Δ P
2
(j) calculate percentage elongation ε under current roll-force, front and back tensile stress;
(k) judgement inequality ε
min<ε<ε
maxSet up? as setting up, change step (l) over to; Otherwise, change step (r) over to;
(l) utilize the roll elastic deformation model to calculate outlet tensile stress distribution σ
2i
(m) judgement inequality (max (σ
2i)-min (σ
2i))/σ
2Does≤SHAPE* set up? as setting up, change step (n) over to, otherwise, change step (r) over to;
(n) calculate 1# frame outlet band steel roughness Ra
s1, its expression formula is
(o) calculate 2# frame outlet band steel roughness Ra
s2, its expression formula is
(p) calculate roughness Controlling object function F=| (Ra
s2-Ra '
s)/Ra '
s|;
(q) judgement inequality F<F
0Set up? if set up, make F
0=F, optimum 1# roll-force P
1y=P
1, optimum 2# roll-force P
2y=P
2, change step (r) over to; Otherwise, directly turn step (r);
(r) judgement inequality
Set up? if inequality is set up, make k
2=k
2+ 1 changes step (i) over to; Otherwise change step (s) over to;
(s) judgement inequality
Set up? if inequality is set up, make k
1=k
1+ 1 changes step (g) over to; Otherwise change step (t) over to;
(t) set optimum 1# roll-force P
1y, optimum 2# roll-force P
2y
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201310013209 CN103084408A (en) | 2013-01-14 | 2013-01-14 | Strip steel surface roughness control method suitable for double-stand temper mill set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201310013209 CN103084408A (en) | 2013-01-14 | 2013-01-14 | Strip steel surface roughness control method suitable for double-stand temper mill set |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103084408A true CN103084408A (en) | 2013-05-08 |
Family
ID=48197825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201310013209 Pending CN103084408A (en) | 2013-01-14 | 2013-01-14 | Strip steel surface roughness control method suitable for double-stand temper mill set |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103084408A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103978043A (en) * | 2014-05-12 | 2014-08-13 | 太原科技大学 | Technology applicable to rolling force and tension force coordinated control of dual-rack four-roller leveling unit |
CN105404155A (en) * | 2015-12-31 | 2016-03-16 | 黄石山力科技发展有限公司 | Hot dip galvanizing skin passing mill board surface quality control parameter comprehensive optimal setting method |
CN106807757A (en) * | 2015-11-27 | 2017-06-09 | 宝山钢铁股份有限公司 | It is suitable for the roll surface roughness optimization of cold continuous rolling process with roller method |
CN106960066A (en) * | 2016-01-11 | 2017-07-18 | 上海梅山钢铁股份有限公司 | A kind of hot tandem finished frame work roll surface roughness forecasting procedure |
CN106955897A (en) * | 2016-01-11 | 2017-07-18 | 上海梅山钢铁股份有限公司 | Suitable for the last rack outlet belt steel surface roughness forecasting procedure of hot tandem |
CN107008758A (en) * | 2017-03-27 | 2017-08-04 | 宁波宝新不锈钢有限公司 | Cold-strip steel high accuracy plate shape surface roughness On-Line Control Method and system |
CN107537866A (en) * | 2016-06-23 | 2018-01-05 | 上海梅山钢铁股份有限公司 | A kind of forecasting procedure of Stand Mill wet jetting piles unit work roll surface roughness |
CN108704939A (en) * | 2018-04-10 | 2018-10-26 | 燕山大学 | A kind of draught pressure setting method that double skin pass mill groups are controlled based on finished product roughness |
CN108733901A (en) * | 2018-05-02 | 2018-11-02 | 燕山大学 | A kind of double skin pass mill groups are using roughness control as the process parameter optimizing method of target |
CN109013710A (en) * | 2018-07-04 | 2018-12-18 | 燕山大学 | Two-stand Temper Mill group is controlled with finished surface roughness matches roller method for target |
CN109047339A (en) * | 2018-06-05 | 2018-12-21 | 燕山大学 | A kind of Two-stand Temper Mill group finished product plate face roughness properties calculation method of parameters |
CN109127740A (en) * | 2017-06-27 | 2019-01-04 | 上海梅山钢铁股份有限公司 | A kind of forecasting procedure of Cold-strip Steel Surface roughness |
-
2013
- 2013-01-14 CN CN 201310013209 patent/CN103084408A/en active Pending
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103978043A (en) * | 2014-05-12 | 2014-08-13 | 太原科技大学 | Technology applicable to rolling force and tension force coordinated control of dual-rack four-roller leveling unit |
CN106807757B (en) * | 2015-11-27 | 2019-01-15 | 宝山钢铁股份有限公司 | It is suitable for the roll surface roughness optimization of cold continuous rolling process with roller method |
CN106807757A (en) * | 2015-11-27 | 2017-06-09 | 宝山钢铁股份有限公司 | It is suitable for the roll surface roughness optimization of cold continuous rolling process with roller method |
CN105404155A (en) * | 2015-12-31 | 2016-03-16 | 黄石山力科技发展有限公司 | Hot dip galvanizing skin passing mill board surface quality control parameter comprehensive optimal setting method |
CN105404155B (en) * | 2015-12-31 | 2017-11-17 | 黄石山力科技股份有限公司 | A kind of galvanizing polishing machine board surface quality control parameter integrated optimization and setting method |
CN106960066A (en) * | 2016-01-11 | 2017-07-18 | 上海梅山钢铁股份有限公司 | A kind of hot tandem finished frame work roll surface roughness forecasting procedure |
CN106955897A (en) * | 2016-01-11 | 2017-07-18 | 上海梅山钢铁股份有限公司 | Suitable for the last rack outlet belt steel surface roughness forecasting procedure of hot tandem |
CN106960066B (en) * | 2016-01-11 | 2020-08-11 | 上海梅山钢铁股份有限公司 | Surface roughness forecasting method for finished product rack working roll of hot continuous rolling unit |
CN106955897B (en) * | 2016-01-11 | 2019-05-24 | 上海梅山钢铁股份有限公司 | Suitable for hot tandem end rack outlet belt steel surface roughness forecasting procedure |
CN107537866A (en) * | 2016-06-23 | 2018-01-05 | 上海梅山钢铁股份有限公司 | A kind of forecasting procedure of Stand Mill wet jetting piles unit work roll surface roughness |
CN107537866B (en) * | 2016-06-23 | 2019-04-19 | 上海梅山钢铁股份有限公司 | A kind of forecasting procedure of Stand Mill wet jetting piles unit work roll surface roughness |
CN107008758A (en) * | 2017-03-27 | 2017-08-04 | 宁波宝新不锈钢有限公司 | Cold-strip steel high accuracy plate shape surface roughness On-Line Control Method and system |
CN107008758B (en) * | 2017-03-27 | 2018-08-28 | 宁波宝新不锈钢有限公司 | Cold-strip steel high precision plates shape surface roughness On-Line Control Method and system |
CN109127740A (en) * | 2017-06-27 | 2019-01-04 | 上海梅山钢铁股份有限公司 | A kind of forecasting procedure of Cold-strip Steel Surface roughness |
CN109127740B (en) * | 2017-06-27 | 2020-02-21 | 上海梅山钢铁股份有限公司 | Method for forecasting surface roughness of cold-rolled strip steel |
CN108704939A (en) * | 2018-04-10 | 2018-10-26 | 燕山大学 | A kind of draught pressure setting method that double skin pass mill groups are controlled based on finished product roughness |
CN108704939B (en) * | 2018-04-10 | 2019-09-27 | 燕山大学 | A kind of draught pressure setting method that double skin pass mill groups are controlled based on finished product roughness |
CN108733901A (en) * | 2018-05-02 | 2018-11-02 | 燕山大学 | A kind of double skin pass mill groups are using roughness control as the process parameter optimizing method of target |
CN109047339A (en) * | 2018-06-05 | 2018-12-21 | 燕山大学 | A kind of Two-stand Temper Mill group finished product plate face roughness properties calculation method of parameters |
CN109013710A (en) * | 2018-07-04 | 2018-12-18 | 燕山大学 | Two-stand Temper Mill group is controlled with finished surface roughness matches roller method for target |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103084408A (en) | Strip steel surface roughness control method suitable for double-stand temper mill set | |
CN101513647B (en) | Method for leveling strip produced by secondary cold rolling unit | |
KR102028502B1 (en) | Rolling method of plate with different thickness in the longitudinal direction | |
CN102310089B (en) | Method for eliminating local wear of working roller of CVC (continually variable crown) mill | |
CN103962390B (en) | Tension force and draught pressure synthetic setting method in VC roller planisher wet jetting piles process | |
CN103978043A (en) | Technology applicable to rolling force and tension force coordinated control of dual-rack four-roller leveling unit | |
CN106077098B (en) | A kind of double tapered working roll and its roll contour design method | |
CN104942019B (en) | A kind of cold rolling of strip steel process Automatic control method of width | |
CN104785543B (en) | A kind of hot-strip crown feedback control method based on moving average filter | |
CN102189119B (en) | Process for controlling shape of hot-rolled flat-rolled high-grade pipeline steel plate by using single-rack steckel mill | |
CN104889175B (en) | Tension setting method for improving leveling stability and product surface quality | |
CN106547959B (en) | One kind being based on the smallest CVC roller shape parameter optimized calculation method of roller diameter variance | |
CN105268748B (en) | Productized hot rolling load distribution method | |
CN103203369A (en) | Plate shape control method for hot-rolled high-strength thin strip steel | |
WO2015176515A1 (en) | Production technology for screw-thread steel bar with three ribbed sides | |
CN102825065A (en) | Rolling method for steel plates of wide and thin specifications | |
CN105057364A (en) | Magnesium alloy sheet rolling edge crack pre-judgment and control method | |
CN103071683A (en) | Comprehensive adjustment rolling technology for double-frame S-shaped four-roll cold rolling mill | |
CN104646416B (en) | A kind of sheet metal Strong shear roll-forming method and device | |
Bidabadi et al. | Experimental and numerical study of required torque in the cold roll forming of symmetrical channel sections | |
CN102553945B (en) | Abnormal shape forecasting method suitable for four-high rolling mill | |
CN106825068B (en) | A kind of prediction technique of operation of rolling belt steel surface roughness | |
CN102161054A (en) | Plate shape closed-loop control method based on influencing self learning of matrix | |
Liu et al. | Analysis of hot strip rolling using exponent velocity field and MY criterion | |
CN107234135B (en) | One kind being suitable for hot tandem and exports belt steel surface roughness control method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130508 |