CN102806235A - Online calculating method for wrap angle of cold-rolled strip steel plate shape roll - Google Patents
Online calculating method for wrap angle of cold-rolled strip steel plate shape roll Download PDFInfo
- Publication number
- CN102806235A CN102806235A CN2012102927003A CN201210292700A CN102806235A CN 102806235 A CN102806235 A CN 102806235A CN 2012102927003 A CN2012102927003 A CN 2012102927003A CN 201210292700 A CN201210292700 A CN 201210292700A CN 102806235 A CN102806235 A CN 102806235A
- Authority
- CN
- China
- Prior art keywords
- plate shape
- strip
- coil
- diameter
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Winding, Rewinding, Material Storage Devices (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention provides an online calculating method for a wrap angle of a cold-rolled strip steel plate shape roll. The method comprises the following steps: 1) after beginning winding, measuring real-time linear velocity of an outlet strip steel online by using a laser velocimeter, and calculating a real-time passing length of the strip steel; 2) after the plate shape roll is put into online detection, figuring out an initial diameter of a steel coil by using an equal-area method; 3) periodically reading measured values of the laser velocimeter and a pulse generator, and figuring out a real-time steel coil diameter; 4) checking validity of the real-time steel coil diameter so as to obtain a steel coil diameter output value; and 5) calculating a real-time wrap angle value according to an actual steel coil winding method and the steel coil diameter output value. According to the invention, extended functions of the exiting hardware equipment of a cold rolled plate shape control system are sufficiently performed; a high-accuracy and real-time continuous strip steel winding diameter is indirectly figured out by effectively utilizing a direct physical relation between the linear velocity of the strip steel and rotation speed of a winder; moreover, an online checking link of a strip steel winding diameter calculated value is provided, so that the reasonability of the calculated value is guaranteed.
Description
Technical field
The invention belongs to cold-rolled strip steel shape control technology field, relate in particular to a kind of cold-rolled strip steel shape roller cornerite on-line calculation method.
Background technology
Along with the development of Chinese national economy, all significantly improving for the demand and the quality requirement of cold-rolled steel strip products.Cold rolling enterprise has all dropped into the research and development that a large amount of man power and materials are rolled the procedure quality control technology for self the economic benefit and the market competitiveness.In the quality examination index of cold-rolled steel strip products, strip shape quality is a very important aspect.In order to improve the strip shape quality of belt steel product, advanced cold rolling production unit generally can be equipped with plat control system and realize plate shape On-line Control function.Realize plate shape On-line Control, just must be equipped with the on-line measurement that shape detection device carries out plate shape.The shape detection device of in actual production, being used widely so far is the contact plate profile instrument; Its operation principle is the strip below that the plate shape roller that the plurality of sensors part is installed is installed on the milling train outlet; Detect the radial pressure of band steel in real time to the different parts sensor; The physical relation between the radial pressure of plate shape roller is conversed the inside tensile stress size of the horizontal different parts of band steel according to inner tensile stress of band steel and band steel; And then obtaining exporting the plate shape distribution value of being with steel, the plate shape distribution value of measuring is the most at last sent into the regulated quantity that plate shape control module calculates milling train plate shape regulating and controlling mechanism, accomplishes the cold-rolled strip steel shape close-loop feedback control.
It is worthy of note, when carrying out radial pressure, need relate to the cornerite size of cold-strip steel plate shape roller to the conversion of inner tensile stress.For the production unit that guide roller is installed between plate shape roller and coiling machine, plate shape roller cornerite value is invariable, can calculate plate shape roller cornerite value through geometric formula after only need measuring the distance between each plant equipment at the scene.Because the restriction of site space is not equipped with guide roller between the plate shape roller of a lot of cold rolling units and the coiling machine, thereby plate shape roller cornerite value can constantly change along with band the batching vary in diameter of steel.For this situation, just must online acquisition band steel batch diameter, and then calculate real-time plate shape roller cornerite value.Can utilize in the engineering theoretical strip coiling diameter computational methods carry out the strip coiling diameter in line computation; Its advantage is need can not realize the calculating of volume footpath by any external equipment; But also there is significant disadvantage: the external factor of influence volume footpath calculated value precision such as inhomogeneities, the practical rolling speed that it has ignored belt steel thickness fluctuates, the gap existence of band steel; Cause its volume footpath error of calculation excessive, can not satisfy high-precision plate shape measurement demand.Other a kind of strip coiling diameter acquisition methods is based on the volume footpath computational methods of externally measured element in the engineering, through to equipment such as the newly-increased laser measuring apparatus of rolling unit, sonar to measure appearance, can onlinely easily obtain the diameter value that batches of band steel.But often cost is too high owing to this external measurement devices, generally on rolling mill production line, seldom uses; In addition; Because site environment more complicated; Maybe be eccentric such as coil of strip center of gravity that slewing rollers skid, batch occurring, dust steam possibly influence precision of ultrasonic measurement or the like; Measurement device also might break down in addition, thereby usually can not satisfy the certainty of measurement requirement based on the volume footpath computational methods of externally measured element.
On the other hand, existing cold rolling unit is equipped with some measurement mechanisms usually, and for example milling train exit laser velocimeter is used for measuring milling train outlet band steel wire speed, and the impulse generator that is connected with reel-motor is used for measuring coiling machine rotating speed etc.Therefore; If can give full play to the expanded function of existing measurement mechanism; Under the condition that does not increase any newly-increased measurement device investment of unit; Develop the strong cold-rolled strip steel shape roller cornerite on-line calculation method of a kind of precision height and antijamming capability; Be to improve that cold-rolled strip steel shape detects and the necessary condition and the current demand of control quality, and then effectively solve in the cold rolled strip steel production process, cause exporting belt plate shape and control the technical problem that effect degenerates because the band steel calculates the inaccurate plate shape testing result distortion that causes to the cornerite of plate shape roller.
Summary of the invention
The object of the present invention is to provide a kind of cold-rolled strip steel shape roller cornerite on-line calculation method;, cause exporting belt plate shape and control the technical problem that effect degenerates because the band steel calculates the inaccurate plate shape testing result distortion that causes to the cornerite of plate shape roller to solve in the cold rolled strip steel production process.
The present invention solves the problems of the technologies described above the technical scheme of being taked to be: a kind of cold-rolled strip steel shape roller cornerite on-line calculation method, and it is characterized in that: it may further comprise the steps:
1) the band steel is worn band and after beginning on the coiling machine to batch, is measured outlet band steel actual time line speed V through the laser velocimeter continuity that is installed in the milling train exit, and utilize the integrator synchronometer to calculate the band steel and pass through length L in real time
1
2) when plate shape roller drops into online plate shape and detects, adopt equal-area method to pass through length L in real time according to the band steel
1Calculate coil of strip initial diameter value D
1, and with D
1Drop into online plate shape as plate shape roller and detect back coil of strip diameter output valve D
2Initial value;
3) calculating real-time coil of strip diameter D
3:
In plate shape roller line plate shape testing process; Periodically read the laser velocimeter that is installed in the milling train exit and measure the reel-motor rotation speed n of outlet band steel wire speed V and the impulse generator measurement that is connected with the coiling machine driving motor in real time; The cycle here rotates a circle the used minimum time when being plate shape roller operate as normal, utilizes following formula to calculate real-time coil of strip diameter D then
3:
，
In the formula, i is the coiling machine gear box ratio;
When band steel relative measurement roller slip or electric motor of coiling machine encoder catastrophic failure, utilize following formula to calculate real-time coil of strip diameter D
3:
，
In the formula, L
1For utilizing the integrator synchronometer to calculate the band steel in real time through length, h is outlet coil of strip one-tenth-value thickness 1/10, D
0Outside barrel diameter for coiling machine;
4) to real-time coil of strip diameter D
3Carry out validity check, obtain coil of strip diameter output valve D
2, the verification principle is:
If D
3Greater than coil of strip diameter output valve D of last one-period
2, think that then this calculated value is effective, and use D
3Upgrade coil of strip diameter output valve D
2
If D
3The coil of strip diameter output valve D that is less than or equal to one-period
2, think that then this calculated value is invalid, utilize this moment
Upgrade coil of strip diameter output valve D
2, rotate a circle the used minimum time when T is plate shape roller operate as normal in the formula;
5) calculate cornerite according to the mode of batching and the coil of strip diameter output valve of band steel.
Press such scheme, described step 5) is if strip coiling batches mode on being, then the cornerite computing formula is:
If batch mode under the strip coiling, then the cornerite computing formula is:
；
D is a plate shape roller diameter; A is that plate shape roll shaft is to the horizontal range of center line to the coiling machine longitudinal center line; B is that plate shape roll shaft is to the vertical range of center line to the coiling machine longitudinal center line; C is working roll roll gap center and the plate shape roll shaft air line distance to center line, and e is working roll roll gap center and the plate shape roll shaft horizontal range to center line.
Press such scheme, the used minimum time T that rotates a circle during said plate shape roller operate as normal is:
In the formula, d is a plate shape roller diameter, V
MaxBe the maximum mill speed of cold rolling unit.
Press such scheme, adopt equal-area method to calculate coil of strip initial diameter value D
1Formula be:
Press such scheme, it also comprise step 6) with the cornerite that calculates from Circular measure unit conversion degree of one-tenth unit, on the plate shape measurement value processing unit and active station HMI server redispatched, carry out the accurate measurement and the demonstration of online plate shape to plat control system.
Beneficial effect of the present invention is:
1, the present invention compared with prior art gives full play to the expanded function of the existing hardware device of cold rolled sheet shape control system, effectively utilizes band steel wire speed and the direct physical relation indirect calculation of coiling machine rotating speed to go out the strip coiling diameter of high accuracy and real-time continuous; And have on-line testing link, guaranteed the reasonability of calculated value band coil of strip footpath calculated value.
2, consider plate shape roller machinery installation deviation in the inventive method computational process, met the concrete condition in the enforcement more.
3, compare with the traditional theory computational methods, the inventive method significantly improves aspect computational accuracy; With compare based on the additional measuring cell method in outside, the inventive method does not increase any equipment when guaranteeing computational accuracy, help controlling the project investment level.
4, the inventive method can obtain high-precision cold-rolled strip steel shape roller cornerite value under the condition that does not increase any hardware device; Effectively solve in the cold rolled strip steel production process owing to the cornerite of being with steel to plate shape roller calculates the inaccurate plate shape testing result distortion that causes; Cause exporting the technical problem that belt plate shape control effect degenerates, for the plate shape control level that significantly improves cold-strip steel provides strong guarantee.
Description of drawings
Fig. 1 is for batching sketch map on the coiling machine in one embodiment of the invention;
Fig. 2 is for batching sketch map under the coiling machine in one embodiment of the invention;
Fig. 3 is the flow chart of one embodiment of the invention;
Fig. 4 is a cornerite result of calculation comparison diagram between the inventive method and the conventional method.
Among the figure: 1, plate shape roller; 2, crimping machine.
The specific embodiment
A kind of cold-rolled strip steel shape roller cornerite on-line calculation method provided by the invention; As shown in Figure 3; After plat control system reads the primary data in the process computer before the roll coil of strip is worn band; The concrete workflow that this inventive method is devoted oneself to work is: 1) begin to batch the back and use laser velocimeter on-line measurement outlet band steel actual time line speed, and calculate the band steel and pass through length L in real time
12) plate shape roller utilizes equal-area method to pass through length L in real time according to the band steel after dropping into online detection
1Calculate the coil of strip initial diameter; 3) periodicity reads the measured value of laser velocimeter and impulse generator, calculates real-time coil of strip diameter; 4) above-mentioned real-time coil of strip diameter is carried out validity check, obtain coil of strip diameter output valve; 5) batch mode and coil of strip diameter output valve, calculating real-time cornerite value according to actual coil of strip.Can also comprise that step 6) carries out unit conversion to Circular measure cornerite value, the cornerite value after the conversion is issued plate shape measurement value processing unit and HMI server.
Below in conjunction with embodiment and Fig. 1 to Fig. 4 the present invention is described further, but does not limit the present invention.
Can be used for four rollers, six roller single chassis or multimachine frame tandem mills based on a kind of cold-rolled strip steel shape roller cornerite on-line calculation method of the present invention.Below be example with a single chassis six-high cluster mill, six-high cluster mill can comprise common plate, high-strength steel, part stainless steel and silicon steel etc. by rolling product.What present embodiment was rolling is middle high grade silicon steel, and type is the UCM milling train, and plate shape control device comprises roller declination, the positive and negative roller of working roll, the positive roller of intermediate calender rolls, intermediate roll shifting and emulsion section cooling etc.Wherein intermediate roll shifting is to preset according to strip width, and the adjustment principle is that intermediate calender rolls body of roll edge is alignd with strip edge portion, also can considered to add a correction by operation side, and it is constant to be transferred to a back holding position; The emulsion section cooling has bigger characteristic time lag.Thereby the plate shape control device of online adjusting mainly contains three kinds of roller declinations, the positive and negative roller of working roll, the positive roller of intermediate calender rolls, is used for eliminating the flatness defects such as monolateral wave, middle wave and bilateral wave of operation of rolling band steel.The basic mechanical design feature index and the device parameter of this unit are:
Mill speed: Max 900m/min, draught pressure: Max 18000KN, maximum rolling force square: 140.3KN * m, coiling tension: Max 220KN, main motor current: 5500KW;
Supplied materials thickness range: 1.8 ~ 2.5mm, supplied materials width range: 850 ~ 1350mm, outgoing gauge scope: 0.3mm ~ 1.0mm;
Work roll diameter: 290 ~ 340mm, working roll height: 1400mm, intermediate calender rolls diameter: 440 ~ 500mm, intermediate calender rolls height: 1640mm, backing roll diameter: 1150 ~ 1250mm, backing roll height: 1400mm;
Every side work roll bending power :-280 ~ 350KN, every side intermediate calender rolls bending roller force: 0 ~ 500KN, the axial traversing amount of intermediate calender rolls :-120 ~ 120mm, auxiliary hydraulic system pressure: 14MPa, balance roller system pressure: 28MPa, press down system pressure: 28MPa.
In order to realize plate shape measuring ability to outlet band steel, to survey in the milling train outlet Sweden ABB AB plate shape roller is installed, this plate shape roller diameter is 313mm, i.e. d=313mm.Be made up of the single solid steel axle, broad ways is every to be divided into a measured zone at a distance from 52mm or 26mm, around measuring roller, is uniform-distribution with four grooves in each measured zone vertically to place magnetoelasticity power sensor, and the outside of sensor is wrapped up by steel loop.Product specification in this instance (thickness * width) is: 0.30mm * 1250mm, i.e. h=0.30mm.14 measurement section width are 52mm in the middle of the plate shape roller, and all the other are 26mm near transmission side and each 12 measurements of fore side section width, plate shape roller total length 1352mm.
Coiling machine is installed on after the plate shape roller, during strip coiling optional use batch (Fig. 1) or under batch (Fig. 2) two kinds and batch mode.Present embodiment reel overall diameter is D
0=600mm, and the reel-motor rotating speed that is equipped with the impulse generator that is connected with coiling machine 2 driving motors to be used for measuring.Coiling machine gear box ratio primary election principle is the highest permission working speed of motor and the ratio of the high workload rotating speed of reel reality, i=1.37 in the present embodiment.In addition; Plate shape roller 1 longitudinal center line is to the horizontal range a (unit is mm) of coiling machine 2 longitudinal center lines in the field measurement present embodiment; Plate shape roller 1 longitudinal center line is to the vertical range b (unit is mm) of coiling machine 2 longitudinal center lines; The air line distance c of working roll roll gap center and plate shape roller 1 longitudinal center line (unit is mm), the horizontal range e (unit is mm) of working roll roll gap center and plate shape roller 1 longitudinal center line.
Fig. 3 has provided the online calculation flow chart of cold-rolled strip steel shape roller cornerite of the inventive method.Based on Fig. 3, present embodiment carries out cold-rolled strip steel shape roller cornerite and at the concrete calculation process of line computation is:
S1) read the interior following primary data of control systematic procedure computer: outlet coil of strip one-tenth-value thickness 1/10 h (unit is mm), the outside barrel diameter D of coiling machine
0(unit is mm); Plate shape roller diameter d (unit is mm); Plate shape roll shaft is to the horizontal range a (unit be mm) of center line to the coiling machine longitudinal center line; Plate shape roll shaft is to the vertical range b (unit be mm) of center line to the coiling machine longitudinal center line, and working roll roll gap center and plate shape roll shaft are to the air line distance c of center line (unit is mm), and working roll roll gap center and plate shape roll shaft are to the horizontal range e of center line (unit is mm).
S2) the band steel is worn band and after beginning on the coiling machine to batch, is measured outlet band steel actual time line speed V (unit is m/min) through the laser velocimeter continuity that is installed in the milling train exit, and utilizes the integrator synchronometer to calculate the band steel and pass through length L in real time
1(unit is m) all upgraded last calculated value with currency after calculating each time.
S3) when plate shape roller drops into online plate shape and detects, adopt equal-area method to calculate coil of strip initial diameter value D
1(unit is mm):
And with D
1Drop into online plate shape as plate shape roller and detect back coil of strip diameter output valve D
2The initial value of (unit is mm).
S4) in the online plate shape of plate shape roller testing process; Periodically read the reel-motor rotation speed n that the laser velocimeter that is installed in the milling train exit is measured outlet band steel wire speed V (unit is m/min) in real time and the impulse generator that is connected with the coiling machine driving motor is measured (unit for change/min); Rotate a circle the used minimum time when sampling period T (unit is ms) is for plate shape roller operate as normal here, utilize following formula to calculate real-time coil of strip diameter D then
3(unit is mm):
In the formula, i is the coiling machine gear box ratio.
S5) to step S4) in the real-time coil of strip diameter D that calculates
3Carry out validity check, the verification principle is: if D
3Greater than coil of strip diameter output valve D of last one-period
2, think that then this calculated value is effective, and with this calculated value D
3Upgrade coil of strip diameter output valve D
2If D
3Be less than or equal to one-period coil of strip diameter output valve D
2, think that then this calculated value is invalid, utilize this moment
Upgrade coil of strip diameter output valve D
2
S6) judge the strip coiling mode, if strip coiling batches mode on providing among Fig. 1, then this moment, the cornerite computing formula was:
If following the batch mode of strip coiling for providing among Fig. 2, then this moment, cornerite
computing formula was:
S7) with step S6) in the cornerite
that calculates carry out the unit conversion; With Circular measure unit conversion degree of one-tenth unit; Cornerite after the conversion is sent on the plate shape measurement value processing unit and active station HMI server of plat control system; Realize the accurate measurement and the Presentation Function of online plate shape, said cornerite unit conversion formula is:
In the formula,
is the cornerite value after the unit conversion.
Especially, because the operation of rolling is complicated and changeable, when occurring in the equipment running process that band steel relative measurement roller slides or during electric motor of coiling machine encoder catastrophic failure, can not utilizing step S4) in the computing formula calculating real-time coil of strip diameter D that provides
3The time, can select for use following method to carry out D
3In line computation:
In the formula, L
1Calculate the band steel in real time through length (unit is m) for utilizing the integrator synchronometer; H is outlet coil of strip one-tenth-value thickness 1/10 (unit is mm); D
0Outside barrel diameter (unit is mm) for coiling machine.
Especially, rotate a circle during said plate shape roller operate as normal definite method of used minimum time is:
In the formula, d is a plate shape roller diameter, and unit is mm, and d=313mm is arranged in the present embodiment; V
MaxBe the maximum mill speed of cold rolling unit, unit is m/min,, V is arranged in the present embodiment
Max=900m/min.
By step S6) in cornerite
Computing formula can find out that a, b, c, d and e are invariable in the strip coiling process, has only coil of strip diameter output valve D
2Increase along with the strip coiling process, so D
2Precision directly have influence on cornerite
Precision.So, compare distinct methods for D
2Computational accuracy good and bad, just distinct methods is for cornerite
Computational accuracy good and bad.
At first, we carry out traditional theory computational methods and the inventive method and are calculating coil of strip diameter output valve D
2The time superiority-inferiority relatively.Because the restriction of project investment, common rolling mill production line is not equipped with such as measurement devices such as laser measuring apparatus, sonar to measure appearance, thus can not onlinely obtain the band steel batch the diameter value actual value.But, each winding coil of strip get finish after, the measurement that we can off-line it finally batch the diameter actual value.In this case, we can through distinct methods relatively for the some groups of roll coil of strips finally batch diameter calculated value and the ratio that finally batches the diameter actual value, obtain the order of quality between method.Fig. 4 provided utilize respectively in the 20 winding steel production processes of picked at random in the present embodiment that traditional theory computational methods and the inventive method obtain by finally batching the distribution map of diameter calculated value with the ratio that finally batches the diameter actual value.It is 1.2326 that the traditional theory computational methods that provide among Fig. 4 are obtained 20 the ratio data result that averages; The calculation deviation that is to say the traditional theory computational methods is 23.46%; Corresponding with it; It is 1.0061 that the inventive method obtains 20 the ratio data result that averages, and the calculation deviation that is to say the traditional theory computational methods is 0.61%, and its precision satisfies specification requirement fully.
Secondly, the computational accuracy of the inventive method is almost in full accord with actual value, and does not increase any newly-increased measurement device investment of unit.Compare such as the inspection method of measurement devices such as laser measuring apparatus, sonar to measure appearance with the needs outfit, when satisfying required precision, greatly reduce investment, help controlling the project investment level; And the inventive method has to the verification of external interference factor and alternative means, can adapt to the work condition environment that coil of strip center of gravity possibility is eccentric, dust steam possibly influence ultrasonic measurement that skids, batches such as slewing rollers.
In a word; The inventive method can obtain high-precision cold-rolled strip steel shape roller cornerite value under the condition that does not increase any hardware device; Effectively solve in the cold rolled strip steel production process owing to the cornerite of being with steel to plate shape roller calculates the inaccurate plate shape testing result distortion that causes; Cause exporting the technical problem that belt plate shape control effect degenerates, for the plate shape control level that significantly improves cold-strip steel provides strong guarantee.
Above embodiment only is used to explain calculating thought of the present invention and characteristics, and its purpose is to make those skilled in the art can understand content of the present invention and implements according to this, and protection scope of the present invention is not limited to the foregoing description.So the disclosed principle of all foundations, equivalent variations or the modification that mentality of designing is done are all within protection scope of the present invention.
Claims (5)
1. cold-rolled strip steel shape roller cornerite on-line calculation method, it is characterized in that: it may further comprise the steps:
1) the band steel is worn band and after beginning on the coiling machine to batch, is measured outlet band steel actual time line speed V through the laser velocimeter continuity that is installed in the milling train exit, and utilize the integrator synchronometer to calculate the band steel and pass through length L in real time
1
2) when plate shape roller drops into online plate shape and detects, adopt equal-area method to pass through length L in real time according to the band steel
1Calculate coil of strip initial diameter value D
1, and with D
1Drop into online plate shape as plate shape roller and detect back coil of strip diameter output valve D
2Initial value;
3) calculating real-time coil of strip diameter D
3:
In plate shape roller line plate shape testing process; Periodically read the laser velocimeter that is installed in the milling train exit and measure the reel-motor rotation speed n of outlet band steel wire speed V and the impulse generator measurement that is connected with the coiling machine driving motor in real time; The cycle here rotates a circle the used minimum time when being plate shape roller operate as normal, utilizes following formula to calculate real-time coil of strip diameter D then
3:
In the formula, i is the coiling machine gear box ratio;
When band steel relative measurement roller slip or electric motor of coiling machine encoder catastrophic failure, utilize following formula to calculate real-time coil of strip diameter D
3:
In the formula, L
1For utilizing the integrator synchronometer to calculate the band steel in real time through length, h is outlet coil of strip one-tenth-value thickness 1/10, D
0Outside barrel diameter for coiling machine;
4) to real-time coil of strip diameter D
3Carry out validity check, obtain coil of strip diameter output valve D
2, the verification principle is:
If D
3Greater than coil of strip diameter output valve D of last one-period
2, think that then this calculated value is effective, and use D
3Upgrade coil of strip diameter output valve D
2
If D
3The coil of strip diameter output valve D that is less than or equal to one-period
2, think that then this calculated value is invalid, utilize this moment
Upgrade coil of strip diameter output valve D
2, rotate a circle the used minimum time when T is plate shape roller operate as normal in the formula;
5) calculate cornerite according to the mode of batching and the coil of strip diameter output valve of band steel.
2. cold-rolled strip steel shape roller cornerite on-line calculation method according to claim 1 is characterized in that: described step 5) is if strip coiling batches mode on being, then the cornerite computing formula is:
If batch mode under the strip coiling, then the cornerite computing formula is:
D is a plate shape roller diameter; A is that plate shape roll shaft is to the horizontal range of center line to the coiling machine longitudinal center line; B is that plate shape roll shaft is to the vertical range of center line to the coiling machine longitudinal center line; C is working roll roll gap center and the plate shape roll shaft air line distance to center line, and e is working roll roll gap center and the plate shape roll shaft horizontal range to center line.
3. cold-rolled strip steel shape roller cornerite on-line calculation method according to claim 1 is characterized in that: the used minimum time T that rotates a circle during said plate shape roller operate as normal is:
In the formula, d is a plate shape roller diameter, V
MaxBe the maximum mill speed of cold rolling unit.
4. cold-rolled strip steel shape roller cornerite on-line calculation method according to claim 1 is characterized in that: adopt equal-area method to calculate coil of strip initial diameter value D
1Formula be:
5. according to any described cold-rolled strip steel shape roller cornerite on-line calculation method in the claim 1 to 4; It is characterized in that: it also comprise step 6) with the cornerite that calculates from Circular measure unit conversion degree of one-tenth unit; Redispatch on the plate shape measurement value processing unit and active station HMI server to plat control system, carry out the accurate measurement and the demonstration of online plate shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292700.3A CN102806235B (en) | 2012-08-17 | 2012-08-17 | Online calculating method for wrap angle of cold-rolled strip steel plate shape roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292700.3A CN102806235B (en) | 2012-08-17 | 2012-08-17 | Online calculating method for wrap angle of cold-rolled strip steel plate shape roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102806235A true CN102806235A (en) | 2012-12-05 |
| CN102806235B CN102806235B (en) | 2014-07-02 |
Family
ID=47230207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210292700.3A Expired - Fee Related CN102806235B (en) | 2012-08-17 | 2012-08-17 | Online calculating method for wrap angle of cold-rolled strip steel plate shape roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102806235B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984870A (en) * | 2014-05-26 | 2014-08-13 | 中冶南方（武汉）自动化有限公司 | Advanced warp angle calculating method for strip shape roller of cold rolling mill |
| CN104088844A (en) * | 2014-07-14 | 2014-10-08 | 中冶南方工程技术有限公司 | Compensation method and device for valve characteristics of hydraulic servo valve of rolling mill |
| CN105066866A (en) * | 2015-07-15 | 2015-11-18 | 武汉钢铁(集团)公司 | Method for measuring steel coil radius of strip steel reel coiler working line |
| CN106077148A (en) * | 2016-06-27 | 2016-11-09 | 中冶赛迪工程技术股份有限公司 | A kind of strip steel back-flexing control method |
| CN107918723A (en) * | 2017-12-24 | 2018-04-17 | 惠州市爱博智控设备有限公司 | A kind of coil diameter computational methods based on the production line speed of service |
| CN109954761A (en) * | 2017-12-22 | 2019-07-02 | 宝山钢铁股份有限公司 | One kind unloading volume system and its coil stripping method |
| CN113333483A (en) * | 2021-05-25 | 2021-09-03 | 张家港扬子江冷轧板有限公司 | Compensation method for position error of sectional contact type plate-shaped roller |
| CN113673052A (en) * | 2021-08-17 | 2021-11-19 | 北京首钢冷轧薄板有限公司 | Method, device, medium and computer equipment for determining outer diameter of steel coil |
| CN113941605A (en) * | 2021-10-14 | 2022-01-18 | 中冶南方工程技术有限公司 | Anti-tearing roller control method |
| CN114226468A (en) * | 2021-12-09 | 2022-03-25 | 杭州鼎福铝业有限公司 | Production method for controlling aluminum foil plate shape for large-width battery |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003266113A (en) * | 2002-03-12 | 2003-09-24 | Sumitomo Metal Ind Ltd | Method for manufacturing metallic strip |
| CN101758084A (en) * | 2008-12-26 | 2010-06-30 | 宝山钢铁股份有限公司 | Model self-adapting sheet shape prediction and control method |
| CN101920267A (en) * | 2009-06-09 | 2010-12-22 | 鞍钢股份有限公司 | Variable wrap angle plate shape control parameter processing method for cold rolling mill |
| JP4709628B2 (en) * | 2005-10-18 | 2011-06-22 | 新日本製鐵株式会社 | Cold rolled steel sheet manufacturing method |
| CN102527736A (en) * | 2012-01-06 | 2012-07-04 | 中冶南方工程技术有限公司 | Method for confirming reeling radius of cold-rolled steel strip |
| CN102581030A (en) * | 2012-03-19 | 2012-07-18 | 中冶南方工程技术有限公司 | Method for determining closed-loop shape control cycle of cold-rolled strip steel plate |
-
2012
- 2012-08-17 CN CN201210292700.3A patent/CN102806235B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003266113A (en) * | 2002-03-12 | 2003-09-24 | Sumitomo Metal Ind Ltd | Method for manufacturing metallic strip |
| JP4709628B2 (en) * | 2005-10-18 | 2011-06-22 | 新日本製鐵株式会社 | Cold rolled steel sheet manufacturing method |
| CN101758084A (en) * | 2008-12-26 | 2010-06-30 | 宝山钢铁股份有限公司 | Model self-adapting sheet shape prediction and control method |
| CN101920267A (en) * | 2009-06-09 | 2010-12-22 | 鞍钢股份有限公司 | Variable wrap angle plate shape control parameter processing method for cold rolling mill |
| CN102527736A (en) * | 2012-01-06 | 2012-07-04 | 中冶南方工程技术有限公司 | Method for confirming reeling radius of cold-rolled steel strip |
| CN102581030A (en) * | 2012-03-19 | 2012-07-18 | 中冶南方工程技术有限公司 | Method for determining closed-loop shape control cycle of cold-rolled strip steel plate |
Non-Patent Citations (1)
| Title |
|---|
| 王鹏飞: "变包角板形测量值计算模型", 《钢铁研究学报》, vol. 22, no. 1, 31 January 2010 (2010-01-31), pages 57 - 60 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984870B (en) * | 2014-05-26 | 2017-10-31 | 中冶南方（武汉）自动化有限公司 | A kind of advanced cold-rolling mill shape roller cornerite determines method |
| CN103984870A (en) * | 2014-05-26 | 2014-08-13 | 中冶南方（武汉）自动化有限公司 | Advanced warp angle calculating method for strip shape roller of cold rolling mill |
| CN104088844A (en) * | 2014-07-14 | 2014-10-08 | 中冶南方工程技术有限公司 | Compensation method and device for valve characteristics of hydraulic servo valve of rolling mill |
| CN105066866A (en) * | 2015-07-15 | 2015-11-18 | 武汉钢铁(集团)公司 | Method for measuring steel coil radius of strip steel reel coiler working line |
| CN106077148A (en) * | 2016-06-27 | 2016-11-09 | 中冶赛迪工程技术股份有限公司 | A kind of strip steel back-flexing control method |
| CN106077148B (en) * | 2016-06-27 | 2017-11-24 | 中冶赛迪工程技术股份有限公司 | A kind of strip back-flexing control method |
| CN109954761B (en) * | 2017-12-22 | 2021-05-14 | 宝山钢铁股份有限公司 | Coil stripping system and coil stripping method thereof |
| CN109954761A (en) * | 2017-12-22 | 2019-07-02 | 宝山钢铁股份有限公司 | One kind unloading volume system and its coil stripping method |
| CN107918723A (en) * | 2017-12-24 | 2018-04-17 | 惠州市爱博智控设备有限公司 | A kind of coil diameter computational methods based on the production line speed of service |
| CN113333483A (en) * | 2021-05-25 | 2021-09-03 | 张家港扬子江冷轧板有限公司 | Compensation method for position error of sectional contact type plate-shaped roller |
| CN113333483B (en) * | 2021-05-25 | 2022-08-19 | 张家港扬子江冷轧板有限公司 | Compensation method for position error of sectional contact type plate-shaped roller |
| CN113673052A (en) * | 2021-08-17 | 2021-11-19 | 北京首钢冷轧薄板有限公司 | Method, device, medium and computer equipment for determining outer diameter of steel coil |
| CN113941605A (en) * | 2021-10-14 | 2022-01-18 | 中冶南方工程技术有限公司 | Anti-tearing roller control method |
| CN113941605B (en) * | 2021-10-14 | 2023-10-27 | 中冶南方工程技术有限公司 | Tear-resistant roller control method |
| CN114226468A (en) * | 2021-12-09 | 2022-03-25 | 杭州鼎福铝业有限公司 | Production method for controlling aluminum foil plate shape for large-width battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102806235B (en) | 2014-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102806235B (en) | Online calculating method for wrap angle of cold-rolled strip steel plate shape roll | |
| CN101602065B (en) | Micro-tracking method and system of rolled pieces in the process of rolling periodic variable-thickness strips | |
| CN101633003B (en) | Thickness controlling method and control system in periodicity thickness changing strip rolling process | |
| CN102632085B (en) | Cold-rolled strip steel plate shape control system and method | |
| CN102189117B (en) | Cold rolled steel strip straightness feedforward control method based on transverse performance detection | |
| CN202606511U (en) | Cold rolled steel plate shape feedforward-feedback cooperative control system | |
| CN102172639B (en) | Dynamic substitution regulating method for excessive bending of working roll of cold rolling mill | |
| CN111659738B (en) | Method and device for measuring cross degree of rolling mill roller system | |
| CN107309279B (en) | A kind of mill gap supporting remote dynamic management system | |
| CN110576051B (en) | Roller compensation adjusting method for tensiometer | |
| CN104324948A (en) | Method for controlling width of rolled piece in rough rolling process of hot continuous rolling | |
| CN106540968A (en) | The compensation method of cold rolled sheet shape measured value and device | |
| CN102553941B (en) | Off-line self-learning method of plate-shaped regulating efficiency coefficient of cold rolling mill | |
| JP6212732B2 (en) | Meander control method and meander control apparatus | |
| CN103100564A (en) | Novel rolling process self-adaptive control method | |
| CN104923568B (en) | A kind of control method for preventing thin strip cold rolling process broken belt | |
| CN105107849B (en) | A kind of hot continuous rolling workpiece thickness computational methods | |
| CN103984870B (en) | A kind of advanced cold-rolling mill shape roller cornerite determines method | |
| CN105492133A (en) | Plate thickness controller for rolling machine | |
| CN102641896B (en) | Gauge and flatness comprehensive control system of cold rolled steel sheet | |
| CN102716917B (en) | Method for manually adjusting and computing shape target curve of cold-rolled steel strip | |
| CN104338752B (en) | A kind of length control method during Varying-thickness rolling | |
| CN102581030B (en) | Method for determining closed-loop shape control cycle of cold-rolled strip steel plate | |
| JP6025621B2 (en) | Roll shape measuring method and roll shape measuring apparatus for roll press equipment used in roll press equipment | |
| CN202606510U (en) | Cold-rolled strip steel plate shape and plate thickness comprehensive control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20200817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |