CN112934981A - Method for correcting thickness gauge without stop of cold continuous rolling - Google Patents
Method for correcting thickness gauge without stop of cold continuous rolling Download PDFInfo
- Publication number
- CN112934981A CN112934981A CN202110122709.9A CN202110122709A CN112934981A CN 112934981 A CN112934981 A CN 112934981A CN 202110122709 A CN202110122709 A CN 202110122709A CN 112934981 A CN112934981 A CN 112934981A
- Authority
- CN
- China
- Prior art keywords
- rack
- thickness gauge
- thickness
- outlet
- frame
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B2038/004—Measuring scale thickness
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention discloses a method for correcting a thickness gauge without stopping in cold continuous rolling, and belongs to the technical field of correction of X-ray thickness gauges. The rolling mill comprises a first rack, a second rack, a third rack, a fourth rack and a fifth rack which are arranged in series, wherein a rolling mill inlet tension roller is arranged at the input end of the first rack, and an outlet roller is arranged between the first rack and the rolling mill inlet tension roller. The thickness control is carried out by replacing the measured value of the thickness gauge with the second flow calculated value, the thickness gauge can be closed and withdrawn for correction, normal production is maintained, and the stop of the rolling mill is avoided.
Description
Technical Field
The invention relates to the technical field of X-ray thickness gauge correction, in particular to a method for correcting a thickness gauge without stopping in cold continuous rolling.
Background
In the rolling production of metal strips, in order to ensure that the rolled strips meet the requirements of thickness tolerance, a thickness measuring instrument with stable performance is required. Due to the restriction of a plurality of factors of the production field environment, such as temperature, humidity, water vapor, oil gas, oil stain, vibration and the like, the measurement precision of the thickness gauge is adversely affected, and the measurement error of the thickness gauge is increased. In order to ensure the measurement precision and the stability of the thickness gauge, the thickness gauge needs to be stopped and corrected every time the thickness gauge continuously runs for 8 hours.
2130 the cold continuous rolling thickness gauge is an X-ray thickness gauge, in order to ensure the accuracy of the measured data of the thickness gauge, the sour continuous rolling thickness gauge must be stopped and corrected once every 8 hours, and the rolling mill needs to be stopped and corrected by using the stopping time or stopping correction from the time of the thickness gauge to the time of the correction, thereby occupying the stopping time or causing the rolling mill to stop and producing usable materials.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention provides a method for correcting a thickness gauge without stopping in cold continuous rolling, which replaces the measured value of the thickness gauge with the calculated value of a second flow meter to control the thickness, can close and withdraw from the thickness gauge to correct, maintain normal production, and avoid the stop of a rolling mill.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a method for correcting a thickness gauge without stopping in cold continuous rolling, which comprises a first frame, a second frame, a third frame, a fourth frame and a fifth frame, wherein the first frame, the second frame, the third frame, the fourth frame and the fifth frame are sequentially arranged in series;
the input end and the output end of the first rack are respectively provided with a first rack inlet thickness gauge and a first rack outlet thickness gauge, the output end of the fourth rack is provided with a fourth rack outlet thickness gauge, and the output end of the fifth rack is connected in series with a fifth rack outlet thickness gauge and a fifth rack standby thickness gauge;
the process parameter calculation thickness replacing the thickness gauge measured value is the ADAP function: according to the principle that the continuous rolling second flow is equal, the change of cold continuous rolling width can be ignored, the speed product of each rack is equal to the thickness product, the second flow is calculated according to the product of the thickness measured by the first rack inlet thickness gauge and the rolling mill inlet speed, the outlet thickness of the first rack and the outlet thickness of the fourth rack are inversely calculated according to the rolling speed of the first rack and the fourth rack, and the method comprises the following steps:
the method comprises the following steps: according to the fact that the second flow is equal, the width change is ignored, the product of the rolling speed and the rolling thickness of each rack is equal, the product of the speed of an outlet roller of a tension roller at the inlet of the rolling mill and the thickness measuring value of a thickness measuring instrument at the inlet of a first rack is calculated firstly:
C1＝V[6BR]×H[0]
v6 BR outlet roller rotation speed, using coder to measure speed value;
h0 entrance thickness, using the first frame entrance thickness gauge to measure;
width of W band steel
Step two: calculating the thickness of the first frame outlet:
H[1]＝C1÷V[1]
h1 first frame outlet thickness calculation value
V1 first frame roll speed, using first frame encoder measurements;
step three: calculating the thickness of the outlet of the fourth frame:
H[4]＝C1÷V[4]
calculated thickness of exit of H4 fourth machine frame
V4 fourth stand roll speed, using fourth stand encoder measurements
Replacing the measured value of the thickness gauge with the calculated value of the outlet thickness of the first frame and the fourth frame respectively to control the thickness so as to realize the ADAP function;
correcting the thickness gauge: in the rolling process of the first coil of strip steel after passing the welding seam, the first frame entry thickness gauge and the fifth frame standby thickness gauge are closed together, quit and correct, after the first frame entry thickness gauge and the fifth frame standby thickness gauge are put into normal, before the first coil of strip tail passes the welding seam, the first frame exit thickness gauge, the fourth frame exit thickness gauge is closed together, quit and correct, after passing the welding seam, the first frame exit thickness gauge of the head of the second coil of strip, the fourth frame exit thickness gauge is put into use, the fifth frame exit thickness gauge is switched into the fifth frame standby thickness gauge, the fifth frame exit thickness gauge is closed and quit and correct, after being put into use, the first coil of strip steel is taken as the standby thickness gauge, and the steps are as follows:
step four: after the thickness gauge is used for 6 hours, the rolling mill is mainly operated to calibrate the thickness gauge without stopping the rolling mill;
step five: the first stand inlet thickness gauge and the fifth stand standby thickness gauge are corrected without stopping the machine: controlling the speed of an outlet of a rolling mill to be 150 meters per minute at the head of the length of the strip steel after passing the weld joint, closing a first stand inlet thickness gauge and a fifth stand standby thickness gauge, exiting for correction, and immediately entering the stand for use after correction;
step six: the thickness gauge at the outlet of the first machine frame is corrected without stopping the machine: before a strip steel tail is rolled by a rolling mill and passes through a weld joint, a first frame ADAP function is firstly opened, the thickness of a first frame outlet is calculated by utilizing the second flow to replace the measured value of a first frame outlet thickness gauge, then the first frame outlet thickness gauge is closed and exits from correction, after correction, the thickness gauge immediately enters a frame, the next roll of strip steel tail is put into service after passing through the weld joint, the first frame ADAP function is closed, and switching is completed;
step seven: the fourth rack outlet thickness gauge is corrected without stopping the machine, and is closed and corrected with the first rack outlet thickness gauge at the same time, the ADAP function of the fourth rack is firstly opened, the second flow is used for calculating the thickness of the fourth rack outlet to replace the measured value of the fourth rack outlet thickness gauge, then the fourth rack outlet thickness gauge is closed and is withdrawn from correction, after correction, the fourth rack outlet thickness gauge is opened into the rack, the next coil is used after passing a welding seam, the ADAP function of the fourth rack is closed, and the switching is completed;
step eight: and (3) correcting the fifth rack outlet thickness gauge without stopping, switching the fifth rack outlet thickness gauge and the fifth rack standby thickness gauge within 2-3 seconds after the next coil passes through the welding line, paying attention to the fact that the measurement deviation value of the two thickness gauges cannot exceed 10 micrometers, otherwise delaying switching, closing the replaced thickness gauge, withdrawing for correcting, and opening into the rolling mill after correction to serve as the standby thickness gauge.
Further, the process parameter calculation prepares for the control parameter calculation of a correction thickness gauge without stopping, and the correction thickness gauge comprises the following steps: the thickness gauge is sequentially corrected by utilizing the ADAP function in the head and tail rolling process of strip steel.
Further, the input end and the output end of the rolling mill inlet tension roller are both provided with a CPC strip steel deviation correcting device, an inlet shear is arranged between the first rack and the rolling mill inlet tension roller, and the output end of the fifth rack is provided with a coiling machine.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the thickness control is carried out by replacing the measured value of the thickness gauge with the second flow calculated value, the thickness gauge can be closed and withdrawn for correction, normal production is maintained, and the stop of the rolling mill is avoided.
Drawings
Fig. 1 is an overall structural view of the present invention.
In the figure: 1. a first frame; 11. a first frame entrance thickness gauge; 12. a first frame outlet thickness gauge; 2. a second frame; 3. a third frame; 4. a fourth frame; 41. a fourth rack outlet thickness gauge; 5. a fifth frame; 51. a fifth rack outlet thickness gauge; 52. a fifth stand is a spare thickness gauge; 6. a mill entrance tension roll; 61. an exit roller; 7. a coiler; 8. a CPC strip steel deviation correcting device; 9. and (4) cutting an inlet.
Detailed Description
The invention is further described with reference to the following figures and examples:
example 1
As can be seen from fig. 1, the method for correcting a thickness gauge without shutdown in cold continuous rolling according to the present embodiment includes a first frame 1, a second frame 2, a third frame 3, a fourth frame 4, and a fifth frame 5, where the first frame 1, the second frame 2, the third frame 3, the fourth frame 4, and the fifth frame 5 are sequentially connected in series, an input end of the first frame 1 is provided with a rolling mill inlet tension roll 6, and an outlet roll 61 is provided between the first frame 1 and the rolling mill inlet tension roll 6.
The input and the output of first frame 1 are provided with first frame entry calibrator 11 and first frame export calibrator 12 respectively, and the output of fourth frame 4 is provided with fourth frame export calibrator 41, and the output of fifth frame 5 is established ties and is provided with the reserve calibrator 52 of fifth frame export calibrator 51 and fifth frame, and its step includes that technological parameter calculates and rectifies the calibrator, and technological parameter calculates thickness and replaces the calibrator to measure thickness and be the ADAP function promptly: for the thickness of measuring according to first frame entry calibrator 11 and the exit roller 61 encoder measurement rotational speed of rolling mill entry tensioning roller 6 and calculate the second flow, according to the equal principle of second flow, reverse calculation first frame 1 and fourth frame 4 export thickness according to first frame 1 and fourth frame 4 rolling speed respectively, its step is:
the method comprises the following steps: according to the fact that the second flow is equal, the width change is ignored, the product of the rolling speed of each stand and the outlet thickness is equal, the product of the speed of an outlet roller 61 of an inlet tension roller 6 of the rolling mill and the thickness measuring value of a first stand inlet thickness gauge 11 is calculated:
C1＝V[6BR]×H[0]
v6 BR exit roller 61 rotation speed, using coder to measure speed value;
h0 entrance thickness, using the first frame entrance thickness gauge 11 to measure;
width of W band steel
Step two: calculate the first gantry 1 exit thickness:
H[1]＝C1÷V[1]
h1 first frame 1 exit thickness calculation
V1, the roller speed of the first frame 1, and the measured value of the encoder of the first frame 1 is adopted;
step three: calculate the fourth rack 4 exit thickness:
H[4]＝C1÷V[4]
calculated thickness of outlet of H4 fourth frame 4
V4 fourth stand 4 roll speed, using fourth stand 4 encoder measurements
Replacing the measured value of the thickness gauge with the calculated value of the outlet thickness of the first frame 1 and the fourth frame 4 respectively to control the thickness so as to realize the ADAP function;
the correcting thickness gauge comprises the following steps: in the rolling process of the first coil of strip steel after passing the welding seam, the first rack inlet thickness gauge 11 and the fifth rack standby thickness gauge 52 are closed, withdrawn and corrected together, after the first rack inlet thickness gauge 11 and the fifth rack standby thickness gauge 52 are put into normal operation, before the first coil tail passes the welding seam, the first rack outlet thickness gauge 12 and the fourth rack outlet thickness gauge 41 are closed, withdrawn and corrected together, after the welding seam, the first rack outlet thickness gauge 12 and the fourth rack outlet thickness gauge 41 at the head part of the second coil are put into use, the fifth rack outlet thickness gauge 51 is switched into the fifth rack standby thickness gauge 52, the fifth rack outlet thickness gauge 51 is closed and withdrawn from correction, and after the first coil head part is put into use, the first coil of strip steel is taken as the standby thickness gauge, and the steps are as follows:
step four: after the thickness gauge is used for 6 hours, the main operation prepares to calibrate the thickness gauge without stopping;
step five: the first stand entry thickness gauge 11 and the fifth stand backup thickness gauge 52 are calibrated without stopping: controlling the rolling speed at 150 m/min at the head of the length of the strip steel after passing the weld joint, closing the first stand inlet thickness gauge 11 and the fifth stand standby thickness gauge 52, exiting for correction, and immediately entering the stand for use after correction;
step six: the first frame outlet thickness gauge 12 is calibrated without stopping the machine: before a rolling mill rolls the strip steel strip tail and passes through a welding seam, the first rack 1ADAP function is firstly opened, the second flow is used for calculating the thickness of the first rack outlet to replace the measured value of a first rack outlet thickness gauge 12, then the first rack outlet thickness gauge 12 is closed and exits from correction, after correction, the thickness gauge immediately enters the rack, the strip steel strip tail is put into use after the next coil passes through the welding seam, the first rack 1ADAP function is closed, and switching is completed;
step seven: the fourth rack outlet thickness gauge 41 is corrected without stopping the machine, and is closed and corrected with the first rack outlet thickness gauge 12 at the same time, the fourth rack 4ADAP function is firstly opened, the second flow is used for calculating the thickness of the fourth rack outlet to replace the measured value of the fourth rack outlet thickness gauge 41, then the fourth rack outlet thickness gauge 41 is closed and is withdrawn from correction, after correction, the fourth rack outlet thickness gauge 41 is opened into the rack, the next coil is used after passing through the welding seam, the fourth rack 4ADAP function is closed, and the switching is completed;
step eight: and the fifth rack outlet thickness gauge 51 is corrected without stopping the machine, the fifth rack outlet thickness gauge 51 and the fifth rack standby thickness gauge 52 are switched within 2-3 seconds after the next coil passes through the welding line, the measurement deviation values of the two thickness gauges cannot exceed 10 micrometers, otherwise, the switching is delayed, the replaced thickness gauge is closed and quitted for correction, and the replaced thickness gauge is driven into the rolling mill to serve as the standby thickness gauge after correction.
The technological parameter calculation prepares for the control parameter calculation of a correction thickness gauge without stopping, and the correction thickness gauge comprises the following steps: the thickness gauge is sequentially corrected by utilizing the ADAP function in the head and tail rolling process of strip steel.
And (4) rolling two rolls in the process of correcting the thickness gauge, performing reverse check on the thickness tracking curve of the two rolls, and performing recording when the thickness tracking curve exceeds a control standard.
The input end and the output end of the rolling mill inlet tension roller 6 are both provided with a CPC strip steel deviation correcting device 8, an inlet shear 9 is arranged between the first rack 1 and the rolling mill inlet tension roller 6, and the output end of the fifth rack 5 is provided with a coiling machine 7.
The matters to be noted in the implementation process of the invention are as follows:
1. after the thickness gauge is corrected for 6 hours, all the thickness gauges of the corrected thickness gauge cannot be corrected simultaneously;
2. producing unstable steel specification without using a non-stop thickness gauge;
3. a general procedure for calibrating the thickness gauge, wherein A, after the seam is welded, the first coil, the first rack inlet thickness gauge 11 and the fifth rack standby thickness gauge 52 are calibrated together; B. after A is finished and the coil is normally put into the welding seam, the first rack outlet thickness gauge 12 and the fourth rack outlet thickness gauge 41 are corrected together; C. after the first roll passes through the weld joint, the fifth rack outlet thickness gauge 51 is switched to a standby thickness gauge for correction;
4. controlling the outlet speed of the rolling mill to be not higher than 500MPM on two rolls of the thickness calibrating and measuring instrument;
5. preferably, 3 rolls of constant specification are selected;
6. note the working points for caliper switching:
when the first frame outlet thickness gauge 12, the fourth frame outlet thickness gauge 41, the fifth frame outlet thickness gauge 51 and the fifth frame standby thickness gauge 52 are switched, the thickness of an outlet product is influenced to a certain extent, so that the switching is performed before and after the rolling mill passes a welding line and within 2-3 seconds;
7. note the working points of the thickness gauge:
A. the first frame entrance thickness gauge 11 enters the rolling mill at a low speed (rolling speed is controlled to be about 150 meters per minute) and can be immediately used.
B. The first frame outlet thickness gauge 12 and the fourth frame outlet thickness gauge 41 can be replaced by ADAP, so that the accuracy of thickness gauge data must be observed when the thickness gauges enter the frame and start to work, and when no abnormity is determined, the ADAP is closed 2-3 seconds after the rolling mill passes through the welding seam and is split, and the switching is completed.
C. The fifth stand outlet thickness gauge 51 and the fifth stand standby thickness gauge 52 are one-for-one, and can be used for welding seams to be switched back and forth.
The thickness control is carried out by replacing the measured value of the thickness gauge with the second flow calculated value, the thickness gauge can be closed and withdrawn for correction, normal production is maintained, and the stop of the rolling mill is avoided.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (3)
1. The method for correcting the thickness gauge without stopping in the cold continuous rolling comprises a first rack (1), a second rack (2), a third rack (3), a fourth rack (4) and a fifth rack (5), and is characterized in that: the rolling mill is characterized in that the first rack (1), the second rack (2), the third rack (3), the fourth rack (4) and the fifth rack (5) are sequentially connected in series, a rolling mill inlet tensioning roller (6) is arranged at the input end of the first rack (1), and an outlet roller (61) is arranged between the first rack (1) and the rolling mill inlet tensioning roller (6);
the input end and the output end of the first rack (1) are respectively provided with a first rack inlet thickness gauge (11) and a first rack outlet thickness gauge (12), the output end of the fourth rack (4) is provided with a fourth rack outlet thickness gauge (41), the output end of the fifth rack (5) is connected in series with a fifth rack outlet thickness gauge (51) and a fifth rack standby thickness gauge (52), and the steps comprise calculating process parameters and correcting the thickness gauges;
the process parameter calculation thickness replacing the thickness gauge measured value is the ADAP function: according to the principle that the flow of continuous rolling second is equal, the change of cold continuous rolling width can be ignored, the product of the speed and the thickness of each rack is equal, the product of the thickness measured by a first rack inlet thickness gauge (11) and the speed of a rolling mill inlet is used for calculating the flow of the second, and the outlet thicknesses of the first rack (1) and the fourth rack (4) are inversely calculated according to the rolling speeds of the first rack (1) and the fourth rack (4), and the method comprises the following steps:
the method comprises the following steps: according to the fact that the second flow is equal, the width change is ignored, the product of the rolling speed and the rolling thickness of each stand is equal, the product of the speed of an outlet roller (61) of a rolling mill inlet tensioning roller (6) and the thickness measuring value of a first stand inlet thickness gauge (11) is calculated:
C1＝V[6BR]×H[0]
v6 BR exit roller (61) rotation speed, using coder to measure speed value;
h0 entrance thickness, using the first frame entrance thickness gauge (11) to measure;
width of W band steel
Step two: calculating the thickness of the first frame (1) outlet:
H[1]＝C1÷V[1]
h1 first frame (1) exit thickness calculation
V1 roll speed of the first stand (1) is measured by an encoder of the first stand (1);
step three: calculating the thickness of the outlet of the fourth frame (4):
H[4]＝C1÷V[4]
h4 fourth frame (4) exit thickness calculation
V4 fourth stand (4) roll speed, using fourth stand (4) encoder measurements
Replacing the measured value of the thickness gauge with the calculated value of the outlet thickness of the first frame (1) and the fourth frame (4) respectively to control the thickness so as to realize the ADAP function;
correcting the thickness gauge: in the rolling process of the first coil of strip steel after passing the welding seam, the first rack inlet thickness gauge (11) and the fifth rack standby thickness gauge (52) are closed together, withdrawn and corrected, after the first rack inlet thickness gauge (11) and the fifth rack standby thickness gauge (52) are put into normal operation, before the first coil of strip passes the welding seam, the first rack outlet thickness gauge (12), the fourth rack outlet thickness gauge (41) are closed together, withdrawn and corrected, after the welding seam, the first rack outlet thickness gauge (12) at the head of the second coil is put into service, the fourth rack outlet thickness gauge (41) is put into service, the fifth rack outlet thickness gauge (51) is switched into the fifth rack standby thickness gauge (52), the fifth rack outlet thickness gauge (51) is closed and withdrawn and corrected, after the service, the first coil of strip steel is taken as the standby thickness gauge, and the steps are as follows:
step four: after the thickness gauge is used for 6 hours, the rolling mill is mainly operated to calibrate the thickness gauge without stopping the rolling mill;
step five: the first machine frame inlet thickness gauge (11) and the fifth machine frame standby thickness gauge (52) are corrected without stopping the machine: controlling the outlet speed of a rolling mill to be 150 meters per minute at the head of the length of the strip steel after passing the weld joint, closing a first rack inlet thickness gauge (11) and a fifth rack standby thickness gauge (52), exiting for correction, and immediately entering the rack for use after correction;
step six: the thickness gauge (12) at the outlet of the first machine frame is corrected without stopping the machine: before a strip steel tail is rolled by a rolling mill and passes through a weld joint, firstly, the ADAP function of a first rack (1) is opened, the second flow is used for calculating the thickness of a first rack outlet to replace the measured value of a first rack outlet thickness gauge (12), then the first rack outlet thickness gauge (12) is closed and exits from correction, after correction, the thickness gauge immediately enters the rack and is put into use after the next coil passes through the weld joint, the ADAP function of the first rack (1) is closed, and switching is completed;
step seven: the fourth rack outlet thickness gauge (41) is corrected without stopping the machine, and is closed and corrected with the first rack outlet thickness gauge (12) at the same time, the ADAP function of the fourth rack (4) is firstly opened, the second flow is utilized to calculate the thickness of the fourth rack outlet to replace the measured value of the fourth rack outlet thickness gauge (41), then the fourth rack outlet thickness gauge (41) is closed and is withdrawn from correction, after correction, the fourth rack outlet thickness gauge is opened into the rack, the next coil is used after passing through a welding seam, the ADAP function of the fourth rack (4) is closed, and the switching is completed;
step eight: and (3) correcting the fifth rack outlet thickness gauge (51) without stopping the machine, switching the fifth rack outlet thickness gauge (51) and the fifth rack standby thickness gauge (52) by one for one and within 2-3 seconds after the next coil passes through the welding line, paying attention to the fact that the measurement deviation value of the two thickness gauges cannot exceed 10 micrometers, otherwise delaying the switching, closing the replaced thickness gauge to quit for correcting, and opening the replaced thickness gauge into the rolling mill to serve as the standby thickness gauge after correction.
2. The method for correcting the thickness gauge without stopping in the cold continuous rolling according to claim 1, wherein the method comprises the following steps: the process parameter calculation prepares for calculating control parameters for a correction thickness gauge without stopping, and the correction thickness gauge comprises the following steps: the thickness gauge is sequentially corrected by utilizing the ADAP function in the head and tail rolling process of strip steel.
3. The method for correcting the thickness gauge without stopping in the cold continuous rolling according to claim 1, wherein the method comprises the following steps: the rolling mill entry tensioning roller (6) the input and the output all be provided with CPC belted steel deviation correcting device (8), be provided with between first frame (1) and rolling mill entry tensioning roller (6) and enter the mouth and cut (9), the output of fifth frame (5) is provided with coiling machine (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110122709.9A CN112934981B (en) | 2021-01-29 | 2021-01-29 | Method for correcting thickness gauge without stop of cold continuous rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110122709.9A CN112934981B (en) | 2021-01-29 | 2021-01-29 | Method for correcting thickness gauge without stop of cold continuous rolling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112934981A true CN112934981A (en) | 2021-06-11 |
| CN112934981B CN112934981B (en) | 2022-03-29 |
Family
ID=76239204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110122709.9A Active CN112934981B (en) | 2021-01-29 | 2021-01-29 | Method for correcting thickness gauge without stop of cold continuous rolling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112934981B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625217A (en) * | 2022-10-27 | 2023-01-20 | 江苏沙钢集团有限公司 | Cold rolling thickness online detection method and detection system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531517A (en) * | 1991-07-29 | 1993-02-09 | Kawasaki Steel Corp | Method for controlling plate thickness in tandem rolling mill |
| CN202270720U (en) * | 2011-09-16 | 2012-06-13 | 中冶南方工程技术有限公司 | monitor automatic gauge control equipment for high-precision strip steel rolling |
| CN105312329A (en) * | 2014-07-16 | 2016-02-10 | 宝山钢铁股份有限公司 | Method for conducting automatic monitoring on states of cold continuous mill thickness meters |
-
2021
- 2021-01-29 CN CN202110122709.9A patent/CN112934981B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531517A (en) * | 1991-07-29 | 1993-02-09 | Kawasaki Steel Corp | Method for controlling plate thickness in tandem rolling mill |
| CN202270720U (en) * | 2011-09-16 | 2012-06-13 | 中冶南方工程技术有限公司 | monitor automatic gauge control equipment for high-precision strip steel rolling |
| CN105312329A (en) * | 2014-07-16 | 2016-02-10 | 宝山钢铁股份有限公司 | Method for conducting automatic monitoring on states of cold continuous mill thickness meters |
Non-Patent Citations (1)
| Title |
|---|
| 张勇强: "秒流量AGC在可逆式冷轧机上的应用", 《冶金丛刊》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625217A (en) * | 2022-10-27 | 2023-01-20 | 江苏沙钢集团有限公司 | Cold rolling thickness online detection method and detection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112934981B (en) | 2022-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4413984B2 (en) | Cold rolled material manufacturing equipment and cold rolling method | |
| CN111482465A (en) | Plate shape control method and device for plate and strip | |
| CN112934981B (en) | Method for correcting thickness gauge without stop of cold continuous rolling | |
| CN103088354B (en) | Control method for eliminating strip steel bending-crease defect | |
| CN105834225A (en) | Thickness controlling method for flying gauge changing rolling of cold tandem mill and controlling system for cold tandem mill | |
| CN106269994A (en) | A kind of hot continuous rolling plate rolling side guide control method | |
| CN106424156A (en) | Cold tandem mill thickness control system and thickness control method of cold tandem mill process | |
| KR101593812B1 (en) | Rolling control apparatus, rolling control method and recording medium | |
| CN105880296A (en) | Dynamic specification change method for cold-rolled thin strip | |
| CN114178343B (en) | Control method for winding folds of thin strip steel band head | |
| CN106269882A (en) | Cold continuous rolling working roll dynamic variable specification play method | |
| CN114130838B (en) | Reversible rolled strip steel thickness measurement error-proofing detection method and detection system | |
| CN105066866A (en) | Method for measuring steel coil radius of strip steel reel coiler working line | |
| CN111545577B (en) | Tension control method for five-stand cold continuous rolling mill in dynamic specification changing stage | |
| JP5637906B2 (en) | Thickness control method and thickness control device for cold rolling mill | |
| JP3636151B2 (en) | Metal strip manufacturing method | |
| JP4661370B2 (en) | ERW steel pipe manufacturing method | |
| JPS6044106A (en) | Continuous hot strip mill | |
| JPH0576366B2 (en) | ||
| CN113806921A (en) | Cold continuous rolling mill inter-frame tension soft measurement method based on online monitoring | |
| JP3080509B2 (en) | Roll gap correction control method in strip rolling mill | |
| CN104826873A (en) | Control method of not splitting small rolls during startup of cold continuous rolling unit | |
| JPH0212647B2 (en) | ||
| JPS63220924A (en) | Method for detecting interlayer slippage of strip coil | |
| JPH01170518A (en) | Controlling method for tail tracking of take-up machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |