CN101648208A - Rolling procedure making method of aluminium single-stand cold-rolling machine - Google Patents

Abstract

The invention relates to a rolling procedure making method of an aluminium single-stand cold-rolling machine, in rolling specification obtained by a rolling specification library according to the rolling material and specification, four system parameters are included to be suitable for the characteristics of rolling process of an aluminium single stand, and annealing, thickness, tensile force andspeed parameters in each pass can be respectively determined; the rolling specification is formed by a pass programming system, a thickness distribution system, a speed distribution system and a tensile distribution system, the specification of the rolling material carries out rolling procedure making by obtaining the rolling specification by the rolling specification library, so as to realize automatic generation of the rolling procedures of different materials with different width and thickness specifications in the production process of the aluminium single-stand cold-rolling machine and carry out rolling procedure making. The method has strong practicality, and can automatically realize rolling procedure making for different materials and specifications; the method is simple and practical, has high computing efficiency and rapid speed and is suitable for on-line usage.

Description

The rolling procedure making method of aluminium single-stand cold-rolling machine

Technical field

The present invention relates to the rolling procedure making strategy in the cold rolling production of a kind of aluminium, relate in particular to a kind of rolling procedure making method that is applied in aluminium single-stand cold-rolling machine.

Background technology

Aluminium single-stand cold-rolling machine is that aluminium processing enterprise uses more a kind of milling train at home, and with respect to cold continuous rolling, its investment is little and the Rolling Production process flexibilities is bigger, is suitable for the production of specification aluminum strip how wide in variety, to meet the need of market.Because the flexible and changeable property of aluminium single-stand cold-rolling machine production process, the formulation of rolling procedure also has particularity, and it is also fewer that it studies relative tandem rolling unit.At present, during a lot of single-stand cold-rolling machine groups are produced, there is more unreasonable factor in the formulation of rolling procedure: one, the factor of considering when formulating rolling procedure is comprehensive inadequately, only distribute mostly and carry out, do not consider the same significant speed of operation of rolling influence, tension force system parameter from each passage thickness; Its two, the formulation of rolling procedure lacks stable rolling procedure making and update the system mostly based on artificial experience.

In iron and steel cold continuous rolling production process, the method in mill condition storehouse is adopted in the formulation of rolling procedure mostly, distribute by specifying each frame mill condition mode, mill condition value and relevant rolling procedure parameter to carry out each frame thickness, and then realize rolling procedure making.(mostly be 5 frame cold continuous rollings greatly because tandem mills frame number is relatively more fixing, also exist 4 frames, 3 frames and 6 frames rolling), that is to say that its rolling pass number fixes, the content and form in mill condition storehouse and frame number match and get final product, and there is not pony-roughing pass annealing in process process in it.Concerning aluminium single-stand cold-rolling machine, on the one hand, it is very big that its rolling pass is counted excursion, can be changed to 10 passages from 2 passages; Its two, concerning some material specification, there is pony-roughing pass annealing in process process in it, needs it is carried out special consideration in the mill condition storehouse; Its three, rolling each passage of single chassis is carried out respectively, each passage need cooperatively interact differently during with continuous rolling, its rolling procedure restrictive condition also exists than big difference.Therefore, when carrying out the rolling procedure making of aluminium single-stand cold-rolling machine, can not adopt and the identical mode in iron and steel cold continuous rolling mill condition storehouse, need be to content and the using method and the tactful modification of carrying out by a relatively large margin of mill condition, to adapt to aluminium single chassis cold rolling process characteristics.

In addition, there is the scholar to propose the thickness distribution method of optimizing algorithm based on relevant, as wait relative power, etc. draught pressure, plate shape optimum, multiple-objection optimization etc., these methods from balanced load, reduce energy consumption, optimize plate shape equal angles, the relevant algorithm of optimizing of utilization carries out the thickness distribution calculation.But these methods are only considered the thickness assignment problem mostly, rolling parameters such as speed, tension force are not considered, and are generally the fixedly thickness optimization of road number of times, and the rolling procedure of being formulated is difficult to adapt to the aluminium single-stand cold-rolling machine operation of rolling.On the other hand, when add optimizing algorithm and carrying out online optimizing, its computing time is longer, is unfavorable for online application.

Therefore, design a kind of rolling procedure making method, have crucial practical significance for the cold rolling production process of the single chassis of aluminum strip at aluminium single-stand cold-rolling machine.

Summary of the invention

The objective of the invention is to overcome the deficiency that prior art exists, a kind of rolling procedure making method of aluminium single-stand cold-rolling machine is provided.

Purpose of the present invention is achieved through the following technical solutions:

The rolling procedure making method of aluminium single-stand cold-rolling machine and strategy, characteristics are: obtain mill condition according to institute's stocking matter and specification by the mill condition storehouse, comprise four kinds of system parameters to adapt to aluminium single chassis operation of rolling characteristics, determine each passage annealing, thickness, tension force and speed parameter respectively, thereby finish rolling procedure making, comprise following concrete steps---

(1) pass programming system to institute's stocking matter and specification, is determined its total road number of times N, annealing sign, annealing passage N ₁, parameter such as annealing passage thickness, carry out overall passage rolling procedure planning; The rolling situation difference of the overall passage of unlike material and specification, thus adopt the pass programming system to address this problem, according to having or not annealing process that the pass programming system is described, as follows:

1a) do not have the annealing pass programming, to passage N-1, adopt the corresponding thickness distribution system to carry out each passage thickness and distribute, finish rolling procedure making in conjunction with speed system and tension force system from passage 0;

2a) the annealing pass programming is arranged, after the aluminum strip annealing in process, need begin to carry out the thickness distribution of this road secondary segment from new material deformation characteristic state, annealing road subparameter divides two road secondary segments of work to be rolled procedure making respectively rolling pass; From passage 0 to passage N ₁-1, from passage N ₁To passage N-1, adopt the corresponding thickness distribution system to carry out each section passage thickness respectively and distribute back (be equivalent to two sections and do not have annealing passage thickness assigning process), finish the rolling procedure making of whole passages in conjunction with speed system and tension force system;

Adopt the pass programming system, can adapt to the flexible and changeable condition of production of aluminium single-stand cold-rolling machine, make rational rolling procedure;

(2) thickness distribution system is carried out thickness according to canonical schema and normal value curve and is distributed, and determines corresponding normal value curve at different canonical schemas, can finish thickness in conjunction with the pass programming system and distribute;

2a) canonical schema, when rolling power is than three kinds of canonical schemas to comprise relative reduction ratio, roll-force, and the implication of decision normal value and thickness distribute institute according to mode of rule;

2b) mill condition value and every kind of canonical schema correspondence respectively have five normal value to determine the normal value curve, can determine each passage normal value of each road secondary segment thus according to the pass programming system, and then finish thickness and distribute; Each passage normal value computing formula is as follows:

k＝int(j)，0≤j≤4，k＝0，1，2，3，4

G _i＝G _0k+(j-k)·(G _0k+1-G _0k)

Wherein: i is a passage number; N is total road number of times; N ₁Be annealing passage number; J is a standard curve interpolation point; K is a standard curve interpolation starting point; G is the passage normal value; G ₀5 a reference values for the standard curve;

According to the excursion of aluminium single-stand cold-rolling machine rolling specs, its total road number of times generally is no more than 10, and total road number of times surpasses 5 rolling specs and generally need carry out annealing in process, so the road number of times of each road secondary segment generally is no more than 5; Be to simplify the mill condition content, and the adaptability that guarantees the thickness distribution system, adopts 5 standard a reference values to determine a normal value curve, determine that with this each passage normal value of each road secondary segment carries out the thickness distribution;

2c) thickness distribution system, after determining canonical schema and normal value curve, each rolling pass section of determining at the pass programming system respectively, by its road number of times carry out the normal value curve interpolation calculate determine each passage mill condition value after, can carry out thickness according to canonical schema and normal value and distribute;

Canonical schema be relative reduction than the time, during required thickness distributes in the rolling procedure ratio of each passage relative reduction and the ratio of mill condition value be consistent, as follows:

ε _i∶ε _i′＝G _i∶G _i′

Wherein: ε is this passage relative reduction, %; I, i ' are the passage number of this road secondary segment, when not having annealing: i, i '=0,1 ..., N-1 is when having annealing: i, i '=0,1 ..., N ₁-1 or i, i '=N ₁, N ₁+ 1 ..., N-1;

When canonical schema is a roll-force than, rolling power than mode, thickness divide each passage rolling procedure parameter of pairing require similar, as follows:

P _i∶P _i′＝G _i∶G _i′

W _i∶W _i′＝G _i∶G _i′

Wherein: P is this passage draught pressure, kN; W is this passage rolling power, kW;

(3) tension force distribution system according to unit tension coefficient, maximum unit tension force, absolute tension force technology amplitude limit isostension system parameter, is carried out each passage tension force and is distributed;

3a) according to material deformation drag and unit tension coefficient calculations gateway unit tension, and carry out the unit tension inspection and handle, as follows:

${\mathrm{\τ}}_b=\left\{\begin{array}{cc}\mathrm{\α}\·K_b& {\mathrm{\τ}}_b\≤{\mathrm{\τ}}_{\max }\\ {\mathrm{\τ}}_{\max }& {\mathrm{\τ}}_b>{\mathrm{\τ}}_{\max }\end{array}\right.$

${\mathrm{\τ}}_f=\left\{\begin{array}{cc}\mathrm{\α}\·K_f& {\mathrm{\τ}}_f\≤{\mathrm{\τ}}_{\max }\\ {\mathrm{\τ}}_{\max }& {\mathrm{\τ}}_f>{\mathrm{\τ}}_{\max }\end{array}\right.$

Wherein: τ _b, τ _fBe respectively this passage inlet, exporting unit's tension force, MPa; α is the unit tension coefficient; K _b, K _fBe respectively the outlet of this passage, inlet resistance of deformation value, MPa; τ _MaxBe unit tension maximum, MPa;

3b) calculate absolute tension force, and carry out the inspection processing of uncoiler, coiling machine equipment amplitude limit and absolute tension force technology amplitude limit, finish tension force and distribute;

T _max＝max{T _1max，T _2max，T _3max}

$T_b=\left\{\begin{array}{cc}{T}_{\min }& T_b<T_{\min }\\ B\&CenterDot;{\mathrm{<figure-callout\; id="0"\; label="h"\; filenames="A2009100348500030H1.png,A2009100348500031H1.png"\; state="\{\{state\}\}">h</figure-callout>}}_0\&CenterDot;{\mathrm{\&tau;}}_b/1000& T_{\min }\&le;T_b\&le;T_{\max }\\ T_{\max }& T_b>T_{\max }\end{array}\right.$

$T_f=\left\{\begin{array}{cc}{T}_{\min }& T_f<T_{\min }\\ B\&CenterDot;h\&CenterDot;{\mathrm{\&tau;}}_f/1000& T_{\min }\&le;T_f\&le;T_{\max }\\ T_{\max }& T_f>T_{\max }\end{array}\right.$

Wherein: T _b, T _fBe respectively this passage inlet, export absolute tension force, kN; B is a strip width, mm; h ₀, h is respectively this passage inlet, exit thickness, mm; T _Max, T _MinBe respectively the absolute tension force maximum of this passage, irreducible minimum amplitude, kN; T _1max, T _2max, T _3maxBe respectively the maximum limit amplitude of uncoiler tension force, coiling machine tension force and technology tension force, kN;

(4) speed distribution system is determined parameters such as the maximum mill speed of raw material, the maximum mill speed of finished product, the maximum mill speed of technology, and then determines each passage mill speed according to parameter interpolations such as each passage thickness allocation result:

V _i＝V _mat+(V _aim-V _mat)·(h _mat-h _i)/(h _mat-h _aim)

Wherein: V _iBe this passage mill speed, m/s; V _Mat, V _AimBe respectively raw material, finished product mill speed, m/s; h _Mat, h _AimBe respectively raw material, finished product thickness, mm; h _iBe this passage exit thickness, mm;

(5) passage is set and the check of power energy parameter, after determining each passage technological parameter according to four kinds of systems, carrying out passage according to relevant Mathematical Modeling sets, and relative reduction, draught pressure, roll torque and rolling power checked, revise corresponding mill condition data when transfiniting to satisfy each passage Calculating Rolling Force Energy Parameters restrictive condition, finally form the rolling procedure of institute's stocking matter specification;

Each rolling procedure parameter limit condition is as follows:

ε _min≤ε _i≤ε _max

P _min≤P _i≤P _max

M _i≤M _max

W _i≤W _max

Wherein: ε _Min, ε _MinBe respectively relative reduction minimum, maximum limit amplitude, %; P _Min, P _MinBe respectively draught pressure minimum, maximum limit amplitude, kN; M _MaxBe roll torque maximum limit amplitude, kN*m; W _MaxBe rolling power maximum limit amplitude, kW;

Each passage relative reduction, draught pressure are made the minimax amplitude limiting processing, require to be no more than the technology maximum limit, require to make full use of each passage rolling power simultaneously; Each passage roll torque, rolling power are carried out maximum amplitude limiting processing, to protect the safety in operation of machinery and drive apparatus;

5a) relative reduction, roll-force, when roll torque transfinites, revise the thickness distribution system parameter in the mill condition, each passage finger gauge typical value is carried out the homogenising adjustment;

When 5b) rolling power transfinites, revise the speed distribution system in the mill condition, reduce each passage mill speed and eliminate power problem that transfinites;

When two step adjustment can not be satisfied power energy parameter limit condition 5c), revise the pass programming system in the mill condition, increase the road number of times and be rolled the formulation of rules again until rationally;

Rolling procedure after 5d) checking and adjust rationally according to power energy parameter, calculating is definite to form the needed mill condition data of these rules, and its renewal is saved in the mill condition storehouse, is used for the rolling procedure making of follow-up same specification material.

Further, the rolling procedure making method of above-mentioned aluminium single-stand cold-rolling machine, wherein, and step 2c) be rolled procedure making according to canonical schema, comprise that the relative reduction ratio distributes, the roll-force ratio distributes, three kinds of modes of relative power ratio distribution:

I) relative reduction ratio makes thickness divide the ratio of each passage relative reduction in the timing rolling procedure and the ratio of mill condition value to be consistent ε _i: ε _{I '}=G _i: G _{I '}

Carry out thickness according to the relative reduction ratio and divide timing, the thickness that carries out this road each passage of secondary segment according to each road secondary segment respectively distributes, and is as follows:

At first, according to the average relative reduction of this secondary segment gateway, road each passage of THICKNESS CALCULATION;

Secondly, calculate each passage relative reduction according to each passage mill condition value of this road secondary segment;

Once more, calculate each passage exit thickness according to following relative reduction;

Once more, according to the difference of this road secondary segment exit thickness calculated value and desired value, adjust each passage relative reduction, the secondary segment exit thickness is consistent with desired value until the road;

At last, calculate each passage tension force, mill speed according to tension force system, speed system;

II) roll-force ratio makes thickness divide the ratio of each passage roll-force in the timing rolling procedure and the ratio of mill condition value to be consistent P _i: P _{I '}=G _i: G _{I '}

Carry out thickness respectively according to the road secondary segment and distribute, as follows:

At first, according to the average relative reduction of this secondary segment gateway, road each passage of THICKNESS CALCULATION;

Secondly, calculate each passage draught pressure according to average relative reduction, and calculate each passage standard draught pressure according to the mill condition value;

Once more, according to the standard draught pressure, each passage exit thickness of cycle calculations satisfies standard draught pressure condition until it;

Once more, the difference of this road secondary segment exit thickness of interpretation and desired value is adjusted each passage standard draught pressure, and the secondary segment exit thickness is consistent with desired value until the road;

Wherein, the calculating of tension force system and speed system incorporates in each passage draught pressure calculating;

III) relative power ratio makes thickness divide the ratio of each passage relative power in the timing rolling procedure and the ratio of mill condition value to be consistent W _i: W _{I '}=G _i: G _{I '}

Carry out thickness respectively according to the road secondary segment and distribute, as follows:

At first, according to the average relative reduction of this secondary segment gateway, road each passage of THICKNESS CALCULATION;

Secondly, calculate each passage rolling power according to average relative reduction, and calculate each passage standard rolling power according to the mill condition value;

Once more, according to the standard rolling power, each passage exit thickness of cycle calculations satisfies standard rolling power condition until it;

Once more, the difference of this road secondary segment exit thickness of interpretation and desired value is adjusted each passage standard rolling power, and the secondary segment exit thickness is consistent with desired value until the road;

Wherein, the calculating of tension force system and speed system incorporates in each passage rolling power calculating.

Further, the rolling procedure making method of above-mentioned aluminium single-stand cold-rolling machine, wherein, when step (5) is carried out passage setting and the check of power energy parameter, carry out the rules setting according to current unit parameter, raw material finished product parameter after, automatically the rolling parameter of adjusting each passage thickness, speed calculates the required mill condition data of this rolling procedure of formation simultaneously and preservation is upgraded in the mill condition storehouse until rolling procedure power energy Rational Parameters:

According to institute's stocking matter specification, after obtaining its mill condition data and determine each passage technological parameter by the mill condition storehouse, according to the material deformation drag, the roll flattening radius, draught pressure, advancing slip coefficient, roll torque, the rolling parameter Mathematical Modeling of rolling power is carried out passage and is set, and to relative reduction, draught pressure, roll torque and rolling power are checked, revise the mill condition data when transfiniting to satisfy each passage Calculating Rolling Force Energy Parameters restrictive condition, the final rolling procedure that forms institute's stocking matter specification calculates the required mill condition data of these rules of formation simultaneously and upgrades preservation.

Substantive distinguishing features and obvious improvement that technical solution of the present invention is outstanding are mainly reflected in:

1. adopt the mode of mill condition to carry out the formulation of aluminium single-stand cold-rolling machine rolling procedure, to current material and specification, obtain or generate automatically by the pass programming system by the mill condition storehouse, the thickness distribution system, after the mill condition that tension force distribution system and speed distribution system are formed, the pass programming system considers that annealing treating process is determined whole passage and the passage arrangement of annealing, the thickness distribution system is taken into account validity and practicality, the mode of code requirement pattern and standard curve realizes that the thickness of each the non-definite road of road secondary segment number of times distributes, the tension force system is determined each passage gateway tension force, speed is formulated and is determined each passage mill speed, each side cooperates can realize unlike material, the automatic generation of the aluminium single-stand cold-rolling machine rolling procedure of specification, and have succinct practicality, the computational efficiency height, speed is suitable for characteristics such as online application soon;

2. some unreasonable problems of prior art rolling procedure making have been solved, one, do not consider mostly during at the prior art rolling procedure making aluminium single chassis cold rolling in the shortcoming handled of annealing process, in mill condition, increase the pass programming system to adapt to the annealing in process process of unlike material specification when rolling; They are two years old, only distribute the one-sidedness problem of carrying out mostly during at the prior art rolling procedure making at thickness, take into account validity and the various factors of influence of rolled rules is analyzed, form the mill condition system to improve the science of rolling procedure making with realization property;

3. this method has very strong practicality, can realize rolling procedure making automatically and it be revised perfect and to have higher efficient and generalization for unlike material and specification; Simultaneously, the formulating method of this rolling procedure can be manufacturing enterprise and creates good economic benefit for the cold rolling field of aluminium single chassis provides strong technical support, also is the important foundation that realizes the aluminium single-stand cold-rolling machine Process Control System.

Description of drawings

Below in conjunction with accompanying drawing technical solution of the present invention is described further:

Fig. 1: use mill condition to formulate the schematic diagram of rolling procedure;

Fig. 2: rolling procedure making flow chart;

Fig. 3: 5052 aluminium alloy ideal format automatic rolling rule parameter (each passage relative reduction, mill speed parameter) curve maps;

Fig. 4: 5052 aluminium alloy ideal format automatic rolling rule parameters (each passage entry and exit tension parameters) curve map;

Fig. 5: 5052 aluminium alloy ideal format automatic rolling rule parameter (each passage resistance of deformation, draught pressure parameter) curve maps;

Fig. 6: 5052 aluminium alloy ideal format automatic rolling rule parameter (each passage roll torque, rolling power parameter) curve maps.

The specific embodiment

The present invention proposes a kind of rolling procedure making method at aluminium single-stand cold-rolling machine, is that the basis is rolled rules system with the mill condition.

According to institute's stocking matter and specification, automatically after generating or obtaining its mill condition by the mill condition library inquiry, the pass programming system is determined whole passage and the arrangement of annealing passage, the passage thickness that the thickness distribution system is finished each the uncertain road of road secondary segment number of times distributes, finish the design of rolling parameters such as each passage thickness, tension force, speed in conjunction with tension force system and speed system, behind the generation rolling procedure it being carried out power can check, and the adjustment of carrying out mill condition is satisfied the process limitation condition until each rolling parameter, the output rolling procedure, as shown in Figure 1, its step:

(1) pass programming system at institute's stocking matter and specification, is determined its total road number of times N, annealing sign, annealing passage N ₁, annealing passage thickness parameter, carry out overall passage rolling procedure planning; The rolling situation difference of the overall passage of unlike material and specification is according to having or not annealing process that the pass programming system is described, as follows:

1a) do not have the annealing pass programming, from passage 0 to passage N-1, adopt mill condition fixed thickness distribution system carry out each passage thickness and distribute, be rolled procedure making in conjunction with speed system and tension force system;

2a) the annealing pass programming is arranged, after the aluminum strip annealing in process, the thickness that begins to carry out this road secondary segment from new material deformation characteristic state distributes, and annealing road subparameter divides rolling pass to be made two road secondary segments and be rolled procedure making respectively, from passage 0 to passage N ₁-1, from passage N ₁To passage N-1, all adopt mill condition fixed thickness distribution system carry out respectively after each section passage thickness distributes, carry out the rolling procedure making of whole passages in conjunction with speed system and tension force system;

(2) thickness distribution system is carried out thickness according to canonical schema and normal value curve and is distributed, and determines corresponding normal value curve at different canonical schemas, carries out thickness in conjunction with the pass programming system and distributes;

2a) canonical schema, when rolling power is than three kinds of canonical schemas to comprise relative reduction ratio, roll-force, and the implication of decision normal value and thickness distribute institute according to mode of rule;

2b) mill condition value, corresponding with every kind of canonical schema, respectively there are five normal value to determine the normal value curve, determine each passage normal value of each road secondary segment thus according to the pass programming system, and then carry out thickness and distribute that each passage normal value computing formula is as follows:

k＝int(j)，0≤j≤4，k＝0，1，2，3，4

G _i＝G _0k+(j-k)·(G _0k+1-G _0k)

Wherein: i is a passage number, and N is total road number of times, N ₁Be annealing passage number, j is a standard curve interpolation point, and k is a standard curve interpolation starting point, and G is the passage normal value, G ₀5 a reference values for the standard curve;

According to the excursion of aluminium single-stand cold-rolling machine rolling specs, its total road number of times is no more than 10, and total road number of times surpasses 5 rolling specs and carry out annealing in process, and the road number of times of each road secondary segment is no more than 5; Adopt 5 standard a reference values to determine a normal value curve, determine that with this each passage normal value of each road secondary segment carries out thickness and distribute;

2c) thickness distribution system, after determining canonical schema and normal value curve, each rolling pass section of determining at the pass programming system respectively, by its road number of times carry out the normal value curve interpolation calculate determine each passage mill condition value after, promptly carry out thickness and distribute according to canonical schema and normal value;

Canonical schema be relative reduction than the time, during required thickness distributes in the rolling procedure ratio of each passage relative reduction and the ratio of mill condition value be consistent, as follows:

ε _i∶ε _i′＝G _i∶G _i′

Wherein: ε is this passage relative reduction, %; I, i ' are the passage number of this road secondary segment, when not having annealing: i, i '=0,1 ..., N-1 is when having annealing: i, i '=0,1 ..., N ₁-1 or i, i '=N ₁, N ₁+ 1 ..., N-1;

When canonical schema was a roll-force than, rolling power than mode, thickness divides the requirement of each passage rolling procedure parameter of pairing, and was as follows:

P _i∶P _i′＝G _i∶G _i′

W _i∶W _i′＝G _i∶G _i′

Wherein: P is this passage draught pressure, kN; W is this passage rolling power, kW;

(3) tension force distribution system according to the tension force system parameter of unit tension coefficient, maximum unit tension force, absolute tension force technology amplitude limit, is carried out each passage tension force and is distributed;

3a) according to material deformation drag and unit tension coefficient calculations gateway unit tension, and carry out the unit tension inspection and handle, as follows:

${\mathrm{\&tau;}}_b=\left\{\begin{array}{cc}\mathrm{\&alpha;}\&CenterDot;K_b& {\mathrm{\&tau;}}_b\&le;{\mathrm{\&tau;}}_{\max }\\ {\mathrm{\&tau;}}_{\max }& {\mathrm{\&tau;}}_b>{\mathrm{\&tau;}}_{\max }\end{array}\right.$

${\mathrm{\&tau;}}_f=\left\{\begin{array}{cc}\mathrm{\&alpha;}\&CenterDot;K_f& {\mathrm{\&tau;}}_f\&le;{\mathrm{\&tau;}}_{\max }\\ {\mathrm{\&tau;}}_{\max }& {\mathrm{\&tau;}}_f>{\mathrm{\&tau;}}_{\max }\end{array}\right.$

Wherein: τ _b, τ _fBe respectively this passage inlet, exporting unit's tension force, MPa; α is the unit tension coefficient; K _b, K _fBe respectively the outlet of this passage, inlet resistance of deformation value, MPa; τ _MaxBe unit tension maximum, MPa;

3b) calculate absolute tension force, and carry out the inspection processing of uncoiler, coiling machine equipment amplitude limit and absolute tension force technology amplitude limit, finish tension force and distribute;

T _max＝max{T _1max，T _2max，T _3max}

$T_b=\left\{\begin{array}{cc}{T}_{\min }& T_b<T_{\min }\\ B\&CenterDot;{\mathrm{<figure-callout\; id="0"\; label="h"\; filenames="A2009100348500030H1.png,A2009100348500031H1.png"\; state="\{\{state\}\}">h</figure-callout>}}_0\&CenterDot;{\mathrm{\&tau;}}_b/1000& T_{\min }\&le;T_b\&le;T_{\max }\\ T_{\max }& T_b>T_{\max }\end{array}\right.$

$T_f=\left\{\begin{array}{cc}{T}_{\min }& T_f<T_{\min }\\ B\&CenterDot;h\&CenterDot;{\mathrm{\&tau;}}_f/1000& T_{\min }\&le;T_f\&le;T_{\max }\\ T_{\max }& T_f>T_{\max }\end{array}\right.$

Wherein: T _b, T _fBe respectively this passage inlet, export absolute tension force, kN; B is a strip width, mm; h ₀, h is respectively this passage inlet, exit thickness, mm; T _Max, T _MinBe respectively the absolute tension force maximum of this passage, irreducible minimum amplitude, kN; T _1max, T _2max, T _2maxBe respectively the maximum limit amplitude of uncoiler tension force, coiling machine tension force and technology tension force, kN;

(4) speed distribution system is determined parameters such as the maximum mill speed of raw material, the maximum mill speed of finished product, the maximum mill speed of technology, and then determines each passage mill speed according to each passage thickness allocation result parameter interpolation:

V _i＝V _mat+(V _aim-V _mat)·(h _mat-h _i)/(h _mat-h _aim)

Wherein: V _iBe this passage mill speed, m/s; V _Mat, V _AimBe respectively raw material, finished product mill speed, m/s; h _Mat, h _AimBe respectively raw material, finished product thickness, mm; h _iBe this passage exit thickness, mm;

(5) passage is set and the check of power energy parameter, after determining each passage technological parameter according to four kinds of systems, carrying out passage according to rolling parameter Mathematical Modelings such as material deformation drag, roll flattening radius, draught pressure, advancing slip coefficient, roll torque, rolling powers sets, and relative reduction, draught pressure, roll torque and rolling power checked, revise the mill condition data when transfiniting to satisfy each passage Calculating Rolling Force Energy Parameters restrictive condition, finally form the rolling procedure of institute's stocking matter specification;

Each rolling procedure parameter limit condition is as follows:

ε _min≤ε _i≤ε _max

P _min≤P _i≤P _max

M _i≤M _max

W _i≤W _max

Wherein: ε _Min, ε _MinBe respectively relative reduction minimum, maximum limit amplitude, %; P _Min, P _MinBe respectively draught pressure minimum, maximum limit amplitude, kN; M _MaxBe roll torque maximum limit amplitude, kN*m; W _MaxBe rolling power maximum limit amplitude, kW;

Each passage relative reduction, draught pressure are made the minimax amplitude limiting processing, require to be no more than the technology maximum limit, require to make full use of each passage rolling power simultaneously; Each passage roll torque, rolling power are carried out maximum amplitude limiting processing;

5a) relative reduction, roll-force, when roll torque transfinites, revise the thickness distribution system parameter in the mill condition, each passage finger gauge typical value is carried out the homogenising adjustment;

When 5b) rolling power transfinites, revise the speed distribution system in the mill condition, reduce each passage mill speed, eliminate the power problem that transfinites;

When two step adjustment can not be satisfied power energy parameter limit condition 5c), revise the pass programming system in the mill condition, increase the road number of times and be rolled the formulation of rules again until rationally;

Rolling procedure after 5d) checking and adjust rationally according to power energy parameter, calculating is definite to form the needed mill condition data of these rules, and its renewal is saved in the mill condition storehouse, is used for the rolling procedure making of follow-up same specification material.

Wherein, when step (5) is carried out passage setting and the check of power energy parameter, according to current unit parameter, after raw material finished product parameter is carried out the rules setting, automatically adjust each passage thickness, the rolling parameter of speed is until rolling procedure power energy Rational Parameters, calculate simultaneously and form the required mill condition data of this rolling procedure and preservation is upgraded in the mill condition storehouse: according to institute's stocking matter specification, after obtaining its mill condition data and determine each passage technological parameter by the mill condition storehouse, according to the material deformation drag, the roll flattening radius, draught pressure, advancing slip coefficient, roll torque, the rolling parameter Mathematical Modeling of rolling power is carried out passage and is set, and to relative reduction, draught pressure, roll torque and rolling power are checked, revise the mill condition data when transfiniting to satisfy each passage Calculating Rolling Force Energy Parameters restrictive condition, the final rolling procedure that forms institute's stocking matter specification calculates the required mill condition data of these rules of formation simultaneously and upgrades preservation.

At aluminium single chassis operation of rolling characteristics, mill condition is designed, its main feature is pass programming system and thickness distribution system; The pass programming system is determined annealing thickness and passage thereof number, is adapted to the intermediate annealing process processing procedure of unlike material specification; The thickness distribution system is taken into account validity the conventional thickness method of salary distribution is simplified, and the method for code requirement pattern and normal value curve is distributed, and distributes characteristics with the thickness that adapts to the non-definite road of the secondary segment of respectively annealing number of times.

It is comprehensive that mill condition contains content, adopt the pass programming system to carry out whole passage technology establishment, adopt thickness distribution, speed to distribute and definite respectively each the passage rolling parameter of tension force distribution again, be adapted to the flexibility and the diversity of aluminium single-stand cold-rolling machine rolling procedure; Mill condition has very strong technology specific aim, and four kinds of system parameters design at four kinds of main technique characteristic parameters of the operation of rolling respectively, on the one hand, is beneficial to the foundation in mill condition storehouse in the Process Control System and perfect; On the other hand, because its parameter designing is convenient directly perceived, be beneficial to technologist and operating personnel adjustment to rolling procedure.

Fig. 2 has illustrated detailed rolling procedure making flow chart, after the input raw material finished product parameter, from the mill condition library inquiry or after generating mill condition automatically, carrying out each passage thickness according to pass programming and thickness distribution distributes, formulate definite each passage tension force and mill speed according to tension force system and speed, then rolling procedure being carried out power can parameter check and revise current mill condition and satisfy the process limitation condition until each rolling parameter, exports current rolling procedure; Detailed process is:

(i) read raw material finished product parameter, comprise parameters such as material, width, raw thickness, finished product thickness, weight;

There are the mill condition data that whether have current material specification in (ii) mill condition library inquiry, does not generate mill condition automatically when having the other data of this layer and deposits in the mill condition storehouse, determines mill condition;

(iii) pass programming system and thickness planning system is determined total rolling pass number, is had or not annealing and parameter, normal value parameter of curve etc., determines each passage mill condition value;

According to having or not annealing, the computational methods of each passage mill condition value are as follows:

k＝int(j)，0≤j≤4，k＝0，1，2，3，4

G _i＝G _0k+(j-k)·(G _0k+1-G _0k)

When not having annealing, to passage N-1, according to the normal value curve each passage is carried out interpolation calculation and can determine its mill condition value from passage 0; When annealing is arranged, from passage 0 to passage N ₁-1, from passage N ₁To passage N-1, according to the normal value curve each passage of each road secondary segment is carried out interpolation calculation and can determine its mill condition value;

(iv) be rolled procedure making according to canonical schema, comprise that the distribution of relative reduction ratio, the distribution of roll-force ratio, relative power are than three kinds of modes such as distribution, and the use of tension force system and speed system incorporates in these three kinds of thickness methods of salary distribution, cooperates to finish rolling procedure making.

A) relative reduction ratio, required thickness divide the ratio of each passage relative reduction in the timing rolling procedure and the ratio of mill condition value to be consistent, and be as follows:

ε _i∶ε _i′＝G _i∶G _i′

Carry out thickness according to the relative reduction ratio and divide timing, the thickness that carries out this road each passage of secondary segment according to each road secondary segment respectively distributes, and is as follows:

At first, according to the average relative reduction of this secondary segment gateway, road each passage of THICKNESS CALCULATION;

Secondly, calculate each passage relative reduction according to each passage mill condition value of this road secondary segment;

Once more, calculate each passage exit thickness according to following relative reduction;

Once more, according to the difference of this road secondary segment exit thickness calculated value and desired value, adjust each passage relative reduction, the secondary segment exit thickness is consistent with desired value until the road;

At last, calculate each passage tension force, mill speed according to tension force system, speed system;

B) roll-force ratio, required thickness divide the ratio of each passage roll-force in the timing rolling procedure and the ratio of mill condition value to be consistent, and be as follows:

P _i∶P _i′＝G _i∶G _i′

More similar to relative reduction than mode, carry out thickness respectively according to the road secondary segment and distribute, as follows:

At first, according to the average relative reduction of this secondary segment gateway, road each passage of THICKNESS CALCULATION;

Secondly, calculate each passage draught pressure according to average relative reduction, and calculate each passage standard draught pressure according to the mill condition value;

Once more, according to the standard draught pressure, each passage exit thickness of cycle calculations satisfies standard draught pressure condition until it;

Once more, the difference of this road secondary segment exit thickness of interpretation and desired value is adjusted each passage standard draught pressure, and the secondary segment exit thickness is consistent with desired value until the road;

Wherein, the calculating of tension force system and speed system incorporates in each passage draught pressure calculating;

C) relative power ratio, required thickness divide the ratio of each passage relative power in the timing rolling procedure and the ratio of mill condition value to be consistent, and be as follows:

W _i∶W _i′＝G _i∶G _i′

More similar to relative reduction than mode, carry out thickness respectively according to the road secondary segment and distribute, as follows:

At first, according to the average relative reduction of this secondary segment gateway, road each passage of THICKNESS CALCULATION;

Secondly, calculate each passage rolling power according to average relative reduction, and calculate each passage standard rolling power according to the mill condition value;

Once more, according to the standard rolling power, each passage exit thickness of cycle calculations satisfies standard rolling power condition until it;

Once more, the difference of this road secondary segment exit thickness of interpretation and desired value is adjusted each passage standard rolling power, and the secondary segment exit thickness is consistent with desired value until the road;

Wherein, the calculating of tension force system and speed system incorporates in each passage rolling power calculating;

(v) passage is set, and after three kinds of canonical schemas carry out the thickness distribution, carries out passage according to relevant Mathematical Modeling and sets, and whole passage rolling parameters are calculated;

(vi) power can parameter be checked, and each passage relative reduction, draught pressure, roll torque and rolling power are checked, and each rolling procedure parameter limit condition is as follows:

ε _min≤ε _i≤ε _max

P _min≤P _i≤P _max

M _i≤M _max

W _i≤W _max

Wherein: ε _Min, ε _MinBe respectively relative reduction minimum, maximum limit amplitude, %; P _Min, P _MinBe respectively draught pressure minimum, maximum limit amplitude, kN; M _MaxBe roll torque maximum limit amplitude, kN*m; W _MaxBe rolling power maximum limit amplitude, kW;

Each passage relative reduction, draught pressure are made the minimax amplitude limiting processing, require to be no more than the technology maximum limit, require to make full use of each passage rolling power simultaneously; Each passage roll torque, rolling power are carried out maximum amplitude limiting processing, to protect the safety in operation of machinery and drive apparatus.

(vii) mill condition is revised automatically, when power energy parameter does not satisfy the process limitation condition, revises corresponding mill condition data, is rolled procedure making again;

A) relative reduction, roll-force, when roll torque transfinites, revise the thickness distribution system parameter in the mill condition, each passage finger gauge typical value is carried out the homogenising adjustment:

When b) rolling power transfinites, revise the speed distribution system in the mill condition, reduce each passage mill speed and eliminate power problem that transfinites:

C) two steps are put in order in the time of can not satisfying power energy parameter limit condition on, revise the pass programming system in the mill condition, the formulation that increase road number of times is rolled rules again is until rationally, and the output rolling procedure is also preserved current mill condition data to the mill condition storehouse;

(viii) adjust mill condition, can parameter satisfy the process conditions restriction, current mill condition is saved in the mill condition storehouse, export rolling procedure afterwards and be rolled until each passage power of rolling procedure.

With an aluminium single-stand cold-rolling machine rolling procedure making process is example, technical solution of the present invention is described in further detail, raw material finished product parameter and mill data are as follows: material 5052, strip width 1600mm, raw thickness 6.0mm, finished product thickness 0.2mm, specified rolling power 6000kW, specified roll torque 300kN*m, working roll roller footpath 400mm.

1) current material specification, 5052 alloys, width 1600mm, raw thickness 6.0mm, finished product thickness 0.2mm, inquiry mill condition storehouse obtains its mill condition, recording mechanism is 1441, and corresponding pass programming, thickness distribute, tension force distributes and speed distribution system parameter is as shown in table 1.

Table 1

2) carry out thickness according to pass programming system and thickness distribution system and distribute definite each passage thickness, determine each passage tension force and speed according to tension force system and speed system simultaneously, as shown in table 2.

Table 2

3) carry out passage according to each passage thickness of table 2, tension force and speed parameter and set calculating, obtain each main rolling parameter, as shown in table 3.

Table 3

4) rolling procedure is carried out power and can parameter check, each passage draught pressure, roll torque, when rolling power exceeds the process limitation condition, its drafts or mill speed are revised.In this example, 2), 3) in the rolling procedure that calculated, there is the rolling power phenomenon that transfinites in the part passage, and revises its mill speed, obtains new rolling procedure and rolling parameter thereof, shown in table 4, table 5.

Table 4

Table 5

Each passage relative reduction, mill speed and come in and go out tension parameters such as accompanying drawing 3, shown in Figure 4; Each passage resistance of deformation, draught pressure, roll torque and rolling power such as accompanying drawing 5, shown in Figure 6.

Technical solution of the present invention, at aluminium single chassis cold rolling process characteristics, design pass programming system, thickness distribution system, speed distribution system and tension force distribution system are formed mill condition; After institute's stocking matter and specification obtained by the mill condition storehouse or generate corresponding mill condition automatically, four kinds of systems cooperated the formulation of finishing each rolling parameter to determine, and then realize the automatic generation of rolling procedure.This method and strategy have solved some unreasonable problems of rolling procedure making in the prior art, take into account validity and realization property design mill condition system to improve the science of rolling procedure making.This method and strategy have very strong practicality, can realize rolling procedure making automatically for unlike material and specification, and have succinct practicality, computational efficiency height, speed and be suitable for characteristics such as online use soon, are worth in the field of business applying.Simultaneously, formulating method of this rolling procedure and strategy provide strong technical support for the cold rolling field of aluminium single chassis, and can be manufacturing enterprise and create good economic benefit, also be the important foundation that realizes the aluminium single-stand cold-rolling machine Process Control System.

What need understand is: above-mentioned explanation is not to be limitation of the present invention, and in the present invention conceived scope, the interpolation of being carried out, conversion, replacement etc. also should belong to protection scope of the present invention.

Claims (3)

1. the rolling procedure making method of aluminium single-stand cold-rolling machine, it is characterized in that: form mill condition by pass programming system, thickness distribution system, speed distribution system and tension force distribution system, institute's stocking matter specification is obtained its mill condition by the mill condition storehouse be rolled procedure making, the rolling procedure of realizing unlike material, width and thickness specification in the aluminium single-stand cold-rolling machine production process generates automatically, comprises following concrete steps---

(1) pass programming system at institute's stocking matter and specification, is determined its total road number of times N, annealing sign, annealing passage N ₁, annealing passage thickness parameter, carry out overall passage rolling procedure planning; The rolling situation difference of the overall passage of unlike material and specification is according to having or not annealing process that the pass programming system is described, as follows:

1a) do not have the annealing pass programming, to passage N-1, adopt the determined thickness distribution system of mill condition to carry out each passage thickness and distribute, be rolled procedure making in conjunction with speed system and tension force system from passage 0;

2a) the annealing pass programming is arranged, after the aluminum strip annealing in process, the thickness that begins to carry out this road secondary segment from new material deformation characteristic state distributes, and annealing road subparameter divides rolling pass to be made two road secondary segments and be rolled procedure making respectively, from passage 0 to passage N ₁-1, from passage N ₁To passage N-1, all adopt the determined thickness distribution system of mill condition to carry out respectively after each section passage thickness distributes, carry out the rolling procedure making of whole passages in conjunction with speed system and tension force system;

(2) thickness distribution system is carried out thickness according to canonical schema and normal value curve and is distributed, and determines corresponding normal value curve at different canonical schemas, carries out thickness in conjunction with the pass programming system and distributes;

2a) canonical schema, when rolling power is than three kinds of canonical schemas to comprise relative reduction ratio, roll-force, and the implication of decision normal value and thickness distribute institute according to mode of rule;

2b) mill condition value, corresponding with every kind of canonical schema, respectively there are five normal value to determine the normal value curve, determine each passage normal value of each road secondary segment thus according to the pass programming system, and then carry out thickness and distribute that each passage normal value computing formula is as follows:

k＝int(j)，0≤j≤4，k＝0，1，2，3，4

G _i＝G _0k+(j-k)·(G _0k+1-G _0k)

Wherein: i is a passage number, and N is total road number of times, N ₁Be annealing passage number, j is a standard curve interpolation point, and k is a standard curve interpolation starting point, and G is the passage normal value, G ₀5 a reference values for the standard curve;

According to the excursion of aluminium single-stand cold-rolling machine rolling specs, its total road number of times is no more than 10, and total road number of times surpasses 5 rolling specs and carry out annealing in process, and the road number of times of each road secondary segment is no more than 5; Adopt 5 standard a reference values to determine a normal value curve, determine that with this each passage normal value of each road secondary segment carries out thickness and distribute;

2c) thickness distribution system, after determining canonical schema and normal value curve, each rolling pass section of determining at the pass programming system respectively, by its road number of times carry out the normal value curve interpolation calculate determine each passage mill condition value after, promptly carry out thickness and distribute according to canonical schema and normal value;

Canonical schema be relative reduction than the time, during required thickness distributes in the rolling procedure ratio of each passage relative reduction and the ratio of mill condition value be consistent, as follows:

ε _i∶ε _i′＝G _i∶G _i′

Wherein: ε is this passage relative reduction, %; I, i ' they are the passage number of this road secondary segment, when not having annealing: i, i '=0,1..., N-1 is when having annealing: i, i '=0,1..., N ₁-1 or i, i '=N ₁, N ₁+ 1..., N-1;

When canonical schema was a roll-force than, rolling power than mode, thickness divides the requirement of each passage rolling procedure parameter of pairing, and was as follows:

P _i∶P _i′＝G _i∶G _i′

W _i∶W _i′＝G _i∶G _i′

Wherein: P is this passage draught pressure, kN; W is this passage rolling power, kW;

(3) tension force distribution system according to the tension force system parameter of unit tension coefficient, maximum unit tension force, absolute tension force technology amplitude limit, is carried out each passage tension force and is distributed;

3a) according to material deformation drag and unit tension coefficient calculations gateway unit tension, and carry out the unit tension inspection and handle, as follows:

${\mathrm{\&tau;}}_b=\left\{\begin{array}{cc}\mathrm{\&alpha;}\&CenterDot;K_b& {\mathrm{\&tau;}}_b\&le;{\mathrm{\&tau;}}_{\max }\\ {\mathrm{\&tau;}}_{\max }& {\mathrm{\&tau;}}_b>{\mathrm{\&tau;}}_{\max }\end{array}\right.$

${\mathrm{\&tau;}}_f=\left\{\begin{array}{cc}\mathrm{\&alpha;}\&CenterDot;K_f& {\mathrm{\&tau;}}_f\&le;{\mathrm{\&tau;}}_{\max }\\ {\mathrm{\&tau;}}_{\max }& {\mathrm{\&tau;}}_f>{\mathrm{\&tau;}}_{\max }\end{array}\right.$

Wherein: τ _b, τ _fBe respectively this passage inlet, exporting unit's tension force, MPa; α is the unit tension coefficient; K _b, K _fBe respectively the outlet of this passage, inlet resistance of deformation value, MPa; τ _MaxBe unit tension maximum, MPa;

3b) calculate absolute tension force, and carry out the inspection processing of uncoiler, coiling machine equipment amplitude limit and absolute tension force technology amplitude limit, finish tension force and distribute;

T _max＝max{T _1max，T _2max，T _3max}

$T_b=\left\{\begin{array}{cc}{T}_{\min }& T_b<T_{\min }\\ B\&CenterDot;h_0\&CenterDot;{\mathrm{\&tau;}}_b/1000& T_{\min }\&le;T_b\&le;T_{\max }\\ T_{\max }& T_b>T_{\max }\end{array}\right.$

$T_f=\left\{\begin{array}{cc}{T}_{\min }& T_f<T_{\min }\\ B\&CenterDot;h\&CenterDot;{\mathrm{\&tau;}}_f/1000& T_{\min }\&le;T_f\&le;T_{\max }\\ T_{\max }& T_f>T_{\max }\end{array}\right.$

Wherein: T _b, T _fBe respectively this passage inlet, export absolute tension force, kN; B is a strip width, mm; h ₀, h is respectively this passage inlet, exit thickness, mm; T _Max, T _MinBe respectively the absolute tension force maximum of this passage, irreducible minimum amplitude, kN; T _1max, T _2max, T _3maxBe respectively the maximum limit amplitude of uncoiler tension force, coiling machine tension force and technology tension force, kN;

(4) speed distribution system is determined the parameter of the maximum mill speed of raw material, the maximum mill speed of finished product, the maximum mill speed of technology, and then determines each passage mill speed according to each passage thickness allocation result parameter interpolation:

V _i＝V _mat+(V _aim-V _mat)·(h _mat-h _i)/(h _mat-h _aim)

Wherein: V _iBe this passage mill speed, m/s; V _Mat, V _AimBe respectively raw material, finished product mill speed, m/s; h _Mat, h _AimBe respectively raw material, finished product thickness, mm; h _iBe this passage exit thickness, mm;

(5) passage is set and the check of power energy parameter, after determining each passage technological parameter according to four kinds of systems, carrying out passage according to the rolling parameter Mathematical Modeling of material deformation drag, roll flattening radius, draught pressure, advancing slip coefficient, roll torque, rolling power sets, and relative reduction, draught pressure, roll torque and rolling power checked, revise the mill condition data when transfiniting to satisfy each passage Calculating Rolling Force Energy Parameters restrictive condition, finally form the rolling procedure of institute's stocking matter specification;

Each rolling procedure parameter limit condition is as follows:

ε _min≤ε _i≤ε _max

P _min≤P _i≤P _max

M _i≤M _max

W _i≤W _max

Wherein: ε _Min, ε _MinBe respectively relative reduction minimum, maximum limit amplitude, %; P _Min, P _MinBe respectively draught pressure minimum, maximum limit amplitude, kN; M _MaxBe roll torque maximum limit amplitude, kN*m; W _MaxBe rolling power maximum limit amplitude, kW;

Each passage relative reduction, draught pressure are made the minimax amplitude limiting processing, require to be no more than the technology maximum limit, require to make full use of each passage rolling power simultaneously; Each passage roll torque, rolling power are carried out maximum amplitude limiting processing;

5a) relative reduction, roll-force, when roll torque transfinites, revise the thickness distribution system parameter in the mill condition, each passage finger gauge typical value is carried out the homogenising adjustment;

When 5b) rolling power transfinites, revise the speed distribution system in the mill condition, reduce each passage mill speed, eliminate the power problem that transfinites;

When two step adjustment can not be satisfied power energy parameter limit condition 5c), revise the pass programming system in the mill condition, increase the road number of times and be rolled the formulation of rules again until rationally;

Rolling procedure after 5d) checking and adjust rationally according to power energy parameter, calculating is definite to form the needed mill condition data of these rules, and its renewal is saved in the mill condition storehouse, is used for the rolling procedure making of follow-up same specification material.

2. the rolling procedure making method of aluminium single-stand cold-rolling machine according to claim 1, it is characterized in that: step 2c) be rolled procedure making, comprise that the relative reduction ratio distributes, the roll-force ratio distributes, three kinds of modes of relative power ratio distribution according to canonical schema:

I) relative reduction ratio makes thickness divide the ratio of each passage relative reduction in the timing rolling procedure and the ratio of mill condition value to be consistent ε _i: ε _{I '}=G _i: G _{I '}

Carry out thickness according to the relative reduction ratio and divide timing, the thickness that carries out this road each passage of secondary segment according to each road secondary segment respectively distributes, and is as follows:

At first, according to the average relative reduction of this secondary segment gateway, road each passage of THICKNESS CALCULATION;

Secondly, calculate each passage relative reduction according to each passage mill condition value of this road secondary segment;

Once more, calculate each passage exit thickness according to each passage relative reduction;

Once more, according to the difference of this road secondary segment exit thickness calculated value and desired value, adjust each passage relative reduction, the secondary segment exit thickness is consistent with desired value until the road;

At last, calculate each passage tension force, mill speed according to tension force system, speed system;

II) roll-force ratio makes thickness divide the ratio of each passage roll-force in the timing rolling procedure and the ratio of mill condition value to be consistent P _i: P _{I '}=G _i: G _{I '}

Carry out thickness respectively according to the road secondary segment and distribute, as follows:

At first, according to the average relative reduction of this secondary segment gateway, road each passage of THICKNESS CALCULATION;

Secondly, calculate each passage draught pressure according to average relative reduction, and calculate each passage standard draught pressure according to the mill condition value;

Once more, according to the standard draught pressure, each passage exit thickness of cycle calculations satisfies standard draught pressure condition until it;

Once more, the difference of this road secondary segment exit thickness of interpretation and desired value is adjusted each passage standard draught pressure, and the secondary segment exit thickness is consistent with desired value until the road;

Wherein, the calculating of tension force system and speed system incorporates in each passage draught pressure calculating;

III) relative power ratio makes thickness divide the ratio of each passage relative power in the timing rolling procedure and the ratio of mill condition value to be consistent W _i: W _{I '}=G _i: G _{I '}

Carry out thickness respectively according to the road secondary segment and distribute, as follows:

At first, according to the average relative reduction of this secondary segment gateway, road each passage of THICKNESS CALCULATION;

Secondly, calculate each passage rolling power according to average relative reduction, and calculate each passage standard rolling power according to the mill condition value;

Once more, according to the standard rolling power, each passage exit thickness of cycle calculations satisfies standard rolling power condition until it;

Once more, the difference of this road secondary segment exit thickness of interpretation and desired value is adjusted each passage standard rolling power, and the secondary segment exit thickness is consistent with desired value until the road;

Wherein, the calculating of tension force system and speed system incorporates in each passage rolling power calculating.

3. the rolling procedure making method of aluminium single-stand cold-rolling machine according to claim 1, it is characterized in that: when step (5) is carried out passage setting and the check of power energy parameter, carry out the rules setting according to current unit parameter, raw material finished product parameter after, automatically the rolling parameter of adjusting each passage thickness, speed calculates the required mill condition data of this rolling procedure of formation simultaneously and preservation is upgraded in the mill condition storehouse until rolling procedure power energy Rational Parameters:

According to institute's stocking matter specification, after obtaining its mill condition data and determine each passage technological parameter by the mill condition storehouse, according to the material deformation drag, the roll flattening radius, draught pressure, advancing slip coefficient, roll torque, the rolling parameter Mathematical Modeling of rolling power is carried out passage and is set, and to relative reduction, draught pressure, roll torque and rolling power are checked, revise the mill condition data when transfiniting to satisfy each passage Calculating Rolling Force Energy Parameters restrictive condition, the final rolling procedure that forms institute's stocking matter specification calculates the required mill condition data of these rules of formation simultaneously and upgrades preservation.

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