CN103752614B - A kind of planisher automatic stopping control method and planisher automatic stopping controller - Google Patents
A kind of planisher automatic stopping control method and planisher automatic stopping controller Download PDFInfo
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- CN103752614B CN103752614B CN201410001528.0A CN201410001528A CN103752614B CN 103752614 B CN103752614 B CN 103752614B CN 201410001528 A CN201410001528 A CN 201410001528A CN 103752614 B CN103752614 B CN 103752614B
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Abstract
The embodiment of the invention discloses a kind of planisher automatic stopping control method, comprising: the target operation state determining planisher; Determine the real-time running state of the described planisher after entering running status; When the real-time running state of described planisher reaches described target operation state, send parking toll instruction to described planisher; Thus ensure that planisher is in the specific length judging to reach through cutting the smooth volume cut finished product volume voluntarily, can automatic stopping, and then improve the automaticity of simplification production model, be conducive to the application of its further genralrlization; In addition the embodiment of the invention also discloses a kind of planisher automatic stopping controller.
Description
Technical field
The present invention relates to automatic control technology field, more particularly, relate to a kind of planisher automatic stopping control method and a kind of planisher automatic stopping controller.
Background technology
With a kind of narrow steel plate grown that the steel needs that to be Metallurgical Enterprise be adapts to each metalloid of different industrial department suitability for industrialized production or engineering goods are produced, general rolling supply.
In the traditional mode of production flow process of band steel, planisher is used for involving in the smooth process of row to the annealing obtained through annealing operation process, to improve the mechanical performance of band steel, to expand the plastic deformation regime of band steel; Withdrawal straightening machine is used for smoothly involving in row tension straingtening to what obtain through smooth operation process; Cut the coil plate cutting finished product volume cut for obtaining through the process of straightening operation.
But because planisher production capacity is far away higher than withdrawal straightening machine production capacity, the simplification production model therefore by adopting volume (annealing namely without the need to straightening is rolled up) of plate shape being annealed preferably to carry out smooth process direct bundling afterwards, can improve the utilization rate of planisher greatly.Fig. 1 shows and is a kind ofly configured with the planisher structural representation of cutting and cutting, according to band steel direction of travel, described planisher comprise successively for the uncoiler 100 of uncoiling annealing volume, entrance S roller 200, for by smooth for the annealing volume working roll 300 for smooth volume, cut cut 400, outlet S roller 500 and be used for batching the coiling machine 600 of smooth volume; Under this simplification production model, staff is determining the specific length reaching finished product volume through cutting the smooth volume cutting 400, then Non-follow control planisher stops and handles to cut and cuts 400 and fall to cutting, thus obtains one section of complete finished product and roll up.
But because planisher cannot judge the specific length automatic stopping reaching finished product volume through cutting the smooth volume cutting 400 voluntarily, therefore automaticity is lower, limits the further genralrlization application of this simplification production model.
Summary of the invention
In view of this, the invention provides a kind of planisher automatic stopping control method and a kind of planisher automatic stopping controller, making planisher in the specific length judging to reach through cutting the smooth volume cut finished product volume voluntarily, can automatic stopping.
A kind of planisher automatic stopping control method, comprising:
Determine the target operation state of planisher;
Determine the real-time running state of the described planisher after entering running status;
When the real-time running state of described planisher reaches described target operation state, send parking toll instruction to described planisher.
Wherein, the described target operation state determining planisher, comprising: the uncoiler residue belt length measuring the planisher obtaining being under dead ship condition; According to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue belt length reached;
The described real-time running state determining the described planisher after entering running status, comprising: measure the uncoiler obtaining the described planisher after entering running status and remain belt length in real time;
The real-time running state of described planisher reaches described target operation state, comprising: the real-time tape remaining of uncoiler of described planisher reaches described target residue belt length.
Wherein, described according to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue belt length reached, and comprising:
Utilize formula L=len-m/ (w*t* ρ)-A, calculate described target residue belt length;
Wherein, L is described target residue belt length, and len is described uncoiler residue belt length, constant m is that finished product volume volume is heavy, and constant w is annealing volume width, and constant t is annealing volume thickness, constant ρ is annealing volume density, and constant A is that the uncoiler of the planisher be under dead ship condition exports belt length.
Wherein, the described target operation state determining planisher, comprising: the uncoiler residue belt length measuring the planisher obtaining being under dead ship condition; According to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue coil diameter reached;
The described real-time running state determining the described planisher after entering running status, comprising: measure the uncoiler obtaining the described planisher after entering running status and remain coil diameter in real time;
The real-time running state of described planisher reaches described target operation state, comprising: the uncoiler of described planisher remains coil diameter in real time and reaches described target residue coil diameter.
Wherein, described according to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue coil diameter reached, and comprising:
Utilize formula
Calculate described target residue coil diameter;
Wherein, Φ is described target residue coil diameter, constant D
0for uncoiler rises footpath diameter, L is the target residue belt length that the roll bending after described planisher enters running status on uncoiler needs to reach, len is described uncoiler residue belt length, constant m is that finished product volume volume is heavy, constant w is annealing volume width, constant t is annealing volume thickness, and constant ρ is annealing volume density, and constant A is that the uncoiler of the planisher be under dead ship condition exports belt length.
Wherein, the described target operation state determining planisher, comprising: obtain finished product volume volume heavy;
The described real-time running state determining the described planisher after entering running status, comprising: measure the uncoiler obtaining being in the uncoiler residue belt length of described planisher under dead ship condition and the described planisher after entering running status and remain belt length in real time; Remain belt length in real time according to described uncoiler residue belt length and described uncoiler, the coiling machine calculating the described planisher after entering running status is rolled up heavily in real time;
The real-time running state of described planisher reaches described target operation state, comprising: it is heavy that the described finished product volume volume that weighs rolled up in real time by the coiling machine of described planisher.
Wherein, describedly remain belt length in real time according to described uncoiler residue belt length and described uncoiler, the coiling machine calculating the described planisher after entering running status is rolled up heavily in real time, comprising:
Utilizing formula M=w*t* ρ * (len-LE-A) to calculate described coiling machine rolls up heavily in real time;
Wherein, M is that described coiling machine is rolled up heavily in real time, LE is that described uncoiler remains belt length in real time, len is described uncoiler residue belt length, constant m is that finished product volume volume is heavy, and constant w is annealing volume width, and constant t is annealing volume thickness, constant ρ is annealing volume density, and constant A is that the uncoiler of the planisher be under dead ship condition exports belt length.
Wherein, when uncoiler is rolled up newly, described in be in the planisher under dead ship condition uncoiler export belt length A=a1+a2/ (1+ δ); Wherein, a1 is uncoiler to the band steel walking length of working roll, a2 be working roll to cutting the band steel walking length of cutting, δ is planisher percentage elongation;
When rolling up on uncoiler is not new, described in the uncoiler of planisher that is under dead ship condition export belt length A=0.
Optionally, described determine the target operation state of planisher before, also comprise and the corresponding assignment of constant initialized; Wherein said constant comprises: finished product volume volume is heavy, annealing volume width, annealing volume thickness and annealing volume density.
A kind of planisher automatic stopping controller, comprising:
Dbjective state determining unit, for determining the target operation state of planisher;
Real-time status determining unit, for determining the real-time running state of the described planisher after entering running status;
Judging unit, for judging whether the real-time running state of described planisher reaches described target operation state;
And parking toll unit, for when described real-time running state reaches described target operation state, send parking toll instruction to described planisher.
As can be seen from above-mentioned technical scheme, the embodiment of the present invention to reach the corresponding planisher running status of specific length of finished product volume through cutting the smooth volume cut, as the target operation state of described planisher; Then on-line monitoring is carried out to the postrun planisher of beginning, when finding that the real-time running state of described planisher reaches described target operation state (namely through cutting the smooth volume enough bundlings just cut), to send parking toll instruction to described planisher; Thus ensure that planisher is in the specific length judging to reach through cutting the smooth volume cut finished product volume voluntarily, can automatic stopping, and then improve the automaticity of simplification production model, be conducive to the application of its further genralrlization.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of disclosed in prior art is configured with the planisher structural representation of cutting and cutting;
Fig. 2 is a kind of planisher automatic stopping control method flow chart disclosed in the embodiment of the present invention;
Fig. 3 is a kind of planisher automatic stopping control method flow chart using uncoiler belt length as controling parameter disclosed in the embodiment of the present invention;
Fig. 4 is a kind of planisher automatic stopping control method flow chart using uncoiler coil diameter as controling parameter disclosed in the embodiment of the present invention;
Fig. 5 is a kind of disclosed in the embodiment of the present invention rolls up with coiling machine the planisher automatic stopping control method flow chart that recast is controling parameter;
Fig. 6 is a kind of planisher automatic stopping controller architecture schematic diagram disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 2, the embodiment of the invention discloses a kind of planisher automatic stopping control method, making planisher in the specific length judging to reach through cutting the smooth volume cut finished product volume voluntarily, can automatic stopping, this control method comprises:
Step 100: the target operation state determining planisher;
Wherein, described target operation state, namely reaches the corresponding planisher running status of specific length of finished product volume through cutting the smooth volume cut.
Step 200: the real-time running state determining the described planisher after entering running status.
Step 300: judge whether the real-time running state of described planisher reaches described target operation state.
Step 400: when described real-time running state reaches described target operation state, send parking toll instruction to described planisher;
Now, cut to cut fall to cutting by handling, can cut and obtain one section of complete finished product volume; What after step 400, return that step 100 can enter next section of finished product volume cuts work.
Seen from the above description, the present embodiment to reach the corresponding planisher running status of specific length of finished product volume through cutting the smooth volume cut, as the target operation state of described planisher; Then on-line monitoring is carried out to the postrun planisher of beginning, when finding that the real-time running state of described planisher reaches described target operation state (namely through cutting the smooth volume enough bundlings just cut), to send parking toll instruction to described planisher; Thus ensure that planisher is in the specific length judging to reach through cutting the smooth volume cut finished product volume voluntarily, can automatic stopping.
Wherein, the controling parameter (namely judging the reference quantity of the running status of planisher) used in above-mentioned planisher automatic stopping control method, can select uncoiler belt length, uncoiler coil diameter and coiling machine to roll up any one in weighing respectively, not limit to.That is: above-mentioned planisher automatic stopping control method can uncoiler belt length as the reference quantity judging described target operation state and described real-time running state; Or using uncoiler coil diameter as the reference quantity judging described target operation state and described real-time running state; Or with coiling machine volume recast for judging the reference quantity of described target operation state and described real-time running state.The present embodiment illustrates for selecting the described planisher automatic stopping control method of different controling parameter to be further expalined respectively below:
See Fig. 3, a kind of planisher automatic stopping control method using uncoiler belt length as controling parameter disclosed in the embodiment of the present invention, comprising:
Step 100A: the uncoiler residue belt length measuring the planisher obtaining being under dead ship condition;
Wherein, described uncoiler residue belt length, namely the current length of coiling the annealing on uncoiler and rolling up, can directly be obtained by measurement.
Step 200A: according to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue belt length reached;
Described target residue belt length, namely reaches the corresponding uncoiler residue belt length of the specific length of finished product volume through cutting the smooth volume cut;
Concrete, described step 200A mainly utilizes formula L=len-m/ (w*t* ρ)-A to calculate described target residue belt length, wherein: L is described target residue belt length, len is described uncoiler residue belt length, constant m is that finished product volume volume is heavy, constant w is annealing volume width, constant t is annealing volume thickness, constant ρ is annealing volume density, constant A is that the uncoiler of the planisher be under dead ship condition exports belt length, and m/ (w*t* ρ) is to cut and obtains one section of complete annealing volume length required for finished product volume;
Wherein, composition graphs 1, the uncoiler of the described planisher be under dead ship condition exports belt length A, namely to be currently layed on band steel walking track, the length of annealing volume that goes out of uncoiling, be also about to from uncoiler 100 to cut the band steel walking length (comprise annealing volume length between uncoiler 100 to working roll 300 and working roll 300 to cutting the smooth volume length of cutting between 400) of cutting 400 all convert be anneal roll up length after the respective value that obtains.When rolling up on uncoiler 100 is new, from uncoiler 100 to cut cut 400 between there is not band steel, now A=a1+a2/ (1+ δ); Wherein, a1 is the band steel walking length of uncoiler 100 to working roll 300, and a2 is working roll 300 to cutting the band steel walking length of cutting 400, and δ is planisher percentage elongation.When uncoiler 100 not new upper volume (namely planisher is current has completed a bundling at least) time, from uncoiler 100 to cut cut 400 between exist and be with steel, now A=0.
Wherein it should be noted that, whether according to band steel through the band steel walking situation that these two kinds, S roller (comprising entrance S roller 200 and outlet S roller 500) is different, the assignment of a2 is respectively band steel through working roll 300 corresponding to S roller to cutting the band steel walking length of cutting 400 and band steel without working roll 300 corresponding to S roller to cutting the band steel walking length of cutting 400.
Step 300A: measure the uncoiler obtaining the described planisher after entering running status and remain belt length in real time; Along with the operation of planisher, described uncoiler remains belt length in real time constantly to be reduced.
Step 400A: judge that the uncoiler of described planisher remains belt length in real time and whether reaches described target residue belt length.
Step 500A: when the real-time tape remaining of described uncoiler reaches described target residue belt length, send parking toll instruction to described planisher; Now cut to cut by manipulation and fall to cutting, can cut and obtain one section of complete finished product volume.
See Fig. 4, a kind of planisher automatic stopping control method using uncoiler coil diameter as controling parameter disclosed in the embodiment of the present invention, comprising:
Step 100B: the uncoiler residue belt length measuring the planisher obtaining being under dead ship condition.
Step 200B: according to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue coil diameter reached;
Concrete, described step 200B mainly utilizes formula
Calculate described uncoiler target residue coil diameter;
Wherein, Φ is described target residue coil diameter, constant D
0for uncoiler rises footpath diameter, the meaning of L, len, m, w, t, ρ and A and assignment situation thereof, specifically see above-described embodiment related description, repeat no more herein.
Wherein formula
Derivation specific as follows:
First, the number of turns of the annealing volume on definition uncoiler is n, then n=(Φ-D
0)/2/t,
Wherein said uncoiler rises footpath diameter D
0, namely coil the innermost circle diameter rolled up with the annealing on uncoiler 100, the namely drum diameter of uncoiler 100; So,
The length C of the 1st layer of annealing volume
1=π * D
0,
The length C of the 2nd layer of annealing volume
2=π * (D
0+ 2*t),
The length C of the 3rd layer of annealing volume
3=π * (D
0+ 2*2*t),
……
The length C of n-th layer annealing volume
n=π * [D
0+ 2* (n-1) * t],
Can know by inference thus, L=C
1+ C
2+ C
3+ ... + C
n=π * [nD
0+ n* (n-1) * t],
Then, by L=π * [nD
0+ n* (n-1) * t] and n=(Φ-D
0)/2/t, can derive and draw formula
Step 300B: measure the uncoiler obtaining the described planisher after entering running status and remain coil diameter in real time; In planisher running, described uncoiler remains coil diameter in real time constantly to be reduced.
Step 400B: judge that the uncoiler of described planisher remains coil diameter in real time and whether reaches described target residue coil diameter.
Step 500B: when described uncoiler remain in real time coil diameter reach described target residue coil diameter time, send parking toll instruction to described planisher.
See Fig. 5, a kind of of embodiment of the present invention proposition rolls up with coiling machine the planisher automatic stopping control method that recast is controling parameter, comprising:
Step 100C: obtain finished product volume volume heavy.
Step 200C: measure the uncoiler obtaining being in the uncoiler residue belt length of described planisher under dead ship condition and the described planisher after entering running status and remain belt length in real time.
Step 300C: remain belt length in real time according to described uncoiler residue belt length and described uncoiler, the coiling machine calculating the described planisher after entering running status is rolled up heavily in real time.
Concrete, described step 300C mainly utilizes formula
M=w*t*ρ*（len-LE-A），
Calculating described coiling machine rolls up heavily in real time;
Wherein, M is that described coiling machine is rolled up heavily in real time, len-LE-A is current respective value after cutting the smooth volume length conversion of cutting and being annealing volume length, LE is that described uncoiler remains belt length in real time, the meaning of len, w, t, ρ and A and assignment situation thereof, specifically see above-described embodiment related description, repeat no more herein.
Step 400C: judge that the coiling machine of described planisher is rolled up the heavy described finished product volume volume that whether reaches in real time and weighed.
Step 500C: when described coiling machine roll up in real time the described finished product volume volume that weighs heavy time, send parking toll instruction to described planisher.
Finally it should be noted that, in step 100(namely in step 100A, 100B, 100C) before, also comprise: the corresponding assignment of the constant related in the various embodiments described above is initialized, wherein said constant comprises: finished product volume volume is heavy, annealing volume width, annealing volume thickness and annealing volume density, changes and/or on uncoiler, the annealing volume specification of new upper volume changes and affects the accurate operation of planisher automatic stopping process to prevent the finished product volume specification needed because of client.
See Fig. 6, the embodiment of the invention discloses a kind of planisher automatic stopping controller, make planisher in the specific length judging to reach through cutting the smooth volume cut finished product volume voluntarily, can automatic stopping, this controller comprises dbjective state determining unit 10, real-time status determining unit 20, judging unit 30 and parking toll unit 40, wherein:
Dbjective state determining unit 10, for determining the target operation state of planisher;
Real-time status determining unit 20, for determining the real-time running state of the described planisher after entering running status;
Judging unit 30, for judging whether the real-time running state of described planisher reaches described target operation state;
Parking toll unit 40, for when described real-time running state reaches described target operation state, sends parking toll instruction to described planisher.
For planisher automatic stopping controller disclosed in embodiment, because it is corresponding with planisher automatic stopping control method disclosed in the embodiment of the present invention, so description is fairly simple, relevant part is see the related description of described planisher automatic stopping control method part.
In sum, the embodiment of the present invention to reach the corresponding planisher running status of specific length of finished product volume through cutting the smooth volume cut, as the target operation state of described planisher; Then on-line monitoring is carried out to the postrun planisher of beginning, when finding that the real-time running state of described planisher reaches described target operation state, to send parking toll instruction to described planisher; Then now cut to cut by manipulation and fall to cutting, can cut and obtain one section of complete finished product volume, thus ensure that planisher is in the specific length judging to reach through cutting the smooth volume cut finished product volume voluntarily, can automatic stopping, and then improve the automaticity of simplification production model, be conducive to the application of its further genralrlization.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the embodiment of the present invention, can realize in other embodiments.Therefore, the embodiment of the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a planisher automatic stopping control method, is characterized in that, comprising:
Determine the target operation state of planisher, comprising: the uncoiler residue belt length measuring the planisher obtaining being under dead ship condition; According to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue belt length reached, or the uncoiler measuring the planisher obtaining being under dead ship condition remains belt length; According to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue coil diameter reached, or, obtain finished product volume volume heavy;
Determine the real-time running state of the described planisher after entering running status;
When the real-time running state of described planisher reaches described target operation state, send parking toll instruction to described planisher.
2. planisher automatic stopping control method according to claim 1, is characterized in that, when the described target operation state determining planisher, comprising: the uncoiler residue belt length measuring the planisher obtaining being under dead ship condition; According to described uncoiler residue belt length, when the roll bending calculated after described planisher enters running status on uncoiler needs the target reached to remain belt length:
The described real-time running state determining the described planisher after entering running status, comprising: measure the uncoiler obtaining the described planisher after entering running status and remain belt length in real time;
The real-time running state of described planisher reaches described target operation state, comprising: the real-time tape remaining of uncoiler of described planisher reaches described target residue belt length.
3. planisher automatic stopping control method according to claim 2, is characterized in that, described according to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue belt length reached, and comprising:
Utilize formula L=len-m/ (w*t* ρ)-A, calculate described target residue belt length;
Wherein, L is described target residue belt length, and len is described uncoiler residue belt length, constant m is that finished product volume volume is heavy, and constant w is annealing volume width, and constant t is annealing volume thickness, constant ρ is annealing volume density, and constant A is that the uncoiler of the planisher be under dead ship condition exports belt length.
4. planisher automatic stopping control method according to claim 1, is characterized in that, when the described target operation state determining planisher, comprising: the uncoiler residue belt length measuring the planisher obtaining being under dead ship condition; According to described uncoiler residue belt length, when the roll bending calculated after described planisher enters running status on uncoiler needs the target reached to remain coil diameter:
The described real-time running state determining the described planisher after entering running status, comprising: measure the uncoiler obtaining the described planisher after entering running status and remain coil diameter in real time;
The real-time running state of described planisher reaches described target operation state, comprising: the uncoiler of described planisher remains coil diameter in real time and reaches described target residue coil diameter.
5. planisher automatic stopping control method according to claim 4, is characterized in that, described according to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue coil diameter reached, and comprising:
Utilize formula
Calculate described target residue coil diameter;
Wherein, Φ is described target residue coil diameter, constant D
0for uncoiler rises footpath diameter, L is the target residue belt length that the roll bending after described planisher enters running status on uncoiler needs to reach, len is described uncoiler residue belt length, constant m is that finished product volume volume is heavy, constant w is annealing volume width, constant t is annealing volume thickness, and constant ρ is annealing volume density, and constant A is that the uncoiler of the planisher be under dead ship condition exports belt length.
6. planisher automatic stopping control method according to claim 1, is characterized in that, when the described target operation state determining planisher, comprising: when acquisition finished product volume volume is heavy:
The described real-time running state determining the described planisher after entering running status, comprising: measure the uncoiler obtaining being in the uncoiler residue belt length of described planisher under dead ship condition and the described planisher after entering running status and remain belt length in real time; Remain belt length in real time according to described uncoiler residue belt length and described uncoiler, the coiling machine calculating the described planisher after entering running status is rolled up heavily in real time;
The real-time running state of described planisher reaches described target operation state, comprising: it is heavy that the described finished product volume volume that weighs rolled up in real time by the coiling machine of described planisher.
7. planisher automatic stopping control method according to claim 6, it is characterized in that, describedly remain belt length in real time according to described uncoiler residue belt length and described uncoiler, the coiling machine calculating the described planisher after entering running status is rolled up heavily in real time, comprising:
Utilizing formula M=w*t* ρ * (len-LE-A) to calculate described coiling machine rolls up heavily in real time;
Wherein, M is that described coiling machine is rolled up heavily in real time, LE is that described uncoiler remains belt length in real time, len is described uncoiler residue belt length, constant m is that finished product volume volume is heavy, and constant w is annealing volume width, and constant t is annealing volume thickness, constant ρ is annealing volume density, and constant A is that the uncoiler of the planisher be under dead ship condition exports belt length.
8. the planisher automatic stopping control method according to claim 3,5 or 7, is characterized in that,
When uncoiler is rolled up newly, described in be in the planisher under dead ship condition uncoiler export belt length A=a1+a2/ (1+ δ); Wherein, a1 is uncoiler to the band steel walking length of working roll, a2 be working roll to cutting the band steel walking length of cutting, δ is planisher percentage elongation;
When rolling up on uncoiler is not new, described in the uncoiler of planisher that is under dead ship condition export belt length A=0.
9. planisher automatic stopping control method according to claim 8, is characterized in that, described determine the target operation state of planisher before, also comprise and the corresponding assignment of constant initialized;
Wherein said constant comprises: finished product volume volume is heavy, annealing volume width, annealing volume thickness and annealing volume density.
10. a planisher automatic stopping controller, is characterized in that, comprising:
Dbjective state determining unit, for determining the target operation state of planisher, describedly determines that the target operation state of planisher comprises: the uncoiler residue belt length measuring the planisher obtaining being under dead ship condition; According to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue belt length reached, or the uncoiler measuring the planisher obtaining being under dead ship condition remains belt length; According to described uncoiler residue belt length, the roll bending calculated after described planisher enters running status on uncoiler needs the target residue coil diameter reached, or, obtain finished product volume volume heavy;
Real-time status determining unit, for determining the real-time running state of the described planisher after entering running status;
Judging unit, for judging whether the real-time running state of described planisher reaches described target operation state;
And parking toll unit, for when described real-time running state reaches described target operation state, send parking toll instruction to described planisher.
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| US5125250A (en) * | 1991-04-26 | 1992-06-30 | China Steel Corporation | Flying shear system with adaptive cut-length control and the operational method thereof |
| CN101032725A (en) * | 2006-03-06 | 2007-09-12 | 上海宝信软件股份有限公司 | Automatic ribbon lap method of cold rolling serial production line |
| CN102847749A (en) * | 2011-06-29 | 2013-01-02 | 鞍钢股份有限公司 | Method for positioning jaw opening of coiler mandrel |
| CN102430612A (en) * | 2011-10-20 | 2012-05-02 | 攀钢集团西昌钢钒有限公司 | Operation method for controlling tower shapes of inner and outer rings of steel coils |
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