CN106475423A - A kind of Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate - Google Patents
A kind of Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate Download PDFInfo
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- CN106475423A CN106475423A CN201510540612.4A CN201510540612A CN106475423A CN 106475423 A CN106475423 A CN 106475423A CN 201510540612 A CN201510540612 A CN 201510540612A CN 106475423 A CN106475423 A CN 106475423A
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- threading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/48—Tension control; Compression control
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Abstract
The present invention relates to a kind of Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate, described control method adopts mild tension condition strip steel threading, by parting a little in strip steel crossing process, force value is set to uncoiler actual motion tension value 8%, and the actual threading tension force of real-time detection strip steel, when the Minimal Tension only reaching setting in the actual threading tension force of strip steel requires, just start threading, so that strip steel is in crossing process, can uniformly be attached on pinch roll, the side force producing perpendicular to traffic direction is eliminated on pinch roll and belt steel surface, strip running deviation phenomenon is avoided to occur.Solve in existing threading control method, threading effect is undesirable, the more problem of the useless plate of threading.
Description
Technical field
The present invention relates to oriented silicon steel finishing group is and in particular to be applied to this oriented silicon steel finishing group
A kind of cold-rolled orientation silicon steel thin plate Minimal Tension threading control method.
Background technology
Current oriented silicon steel finishing group (as shown in Figure 2), generally uses no-station pole canopy in threading
Threading, strip steel, in crossing process, fully relies on threading roller and carries out physics correction, once threading roller mill
Damage or levelness, perpendicularity have deviation, will result in the threading sideslip of strip steel.Strip steel is in operation
The voluntarily center of deviation production line, moving to roller, referred to as " strip running deviation ".
During strip steel runs on pinch roll, as long as strip steel contacts with roller surfaces, and it is in
In certain frictional resistance boundary, then on strip steel each point will with the centrage of roller row at a right angle
Walk.Assume that belt plate shape is good, uniformly, then the tension distribution acting on strip steel is equal for section thickness
Even, each roller keeping parallelism simultaneously, and keep vertical with strip steel traffic direction, then, strip steel is in roller
On son run would not sideslip, that is, the strip steel moment operate in production line in the heart.
But in actual production process, having various factors affects the normal operation rail of strip steel
Mark, makes strip steel produce deviation phenomenon.As kind of a flatness defect, such as middle wave, Bian Lang, vertical curved, horizontal stroke are curved
Deng, along with width, thickness, hardness, surface roughness everywhere all variant so that strip steel can not
Uniformly it is attached on pinch roll, pinch roll produces perpendicular to traffic direction with the belt steel surface contacting
Side force, in the presence of this side force, there is lateral sliding in strip steel, so that strip running deviation.For
Minimizing strip running deviation, generally relies on threading roller and unit center support system CPC to complete.And CPC
In the case of tension-free, correction effect cannot be played in crossing process, this is mainly strip steel
Exist lax in the case of no-station pole canopy, the steel edge portion detection of impact CPC.
Therefore, existing no-station pole canopy threading cannot ensure the threading running deviation value of strip steel effectively, to finishing
Unit produces and brings difficulty.But in orientation silicon steel technical field, especially orientation silicon steel produces skill
The top-secret technology of Ge great steel mill of the Shu Shi world, therefore can use for reference currently without ready-made experience.Existing
The problem that the oriented silicon steel finishing group of technology exists mainly has：
1st, threading roller will ensure that levelness, perpendicularity and roll surface are good more difficult, needs frequently to adjust
Whole threading roller.Not only artificial and equipment investment amount is big, and threading effect is undesirable, and threading gives up plate relatively
Many.
2nd, in thin material crossing process produce plate shape deformation, change rule whipping process occur sideslip, with
And the impression that roller causes.All it is because that CPC cannot come into operation in crossing process.Immediately throw
Enter using due to no-station pole canopy during threading, effect is not also good.
A kind of strip steel wearing in annealing process of silicon steel drying oven is disclosed in the patent documentation of CN102071303A
Band method, 1) set one along the strip steel direction of motion in the furnace wall medial wall of silicon steel continuous annealing drying oven resistance to
Hot steel channel member；Heat resisting steel cord passes through from the groove of heat resisting steel channel member；2) threading：In silicon steel
The porch of continuous annealing drying oven, one end of ordinary steel rope is tied up in heat resisting steel cord, will be general
The other end of logical steel wire rope ties up on strip steel termination；Outlet hoist engine work, by exporting hoist engine first
Silicon steel continuous annealing is moved to from the porch of silicon steel continuous annealing drying oven in one end of ordinary steel rope
The exit of drying oven, then will by ordinary steel rope in the exit of silicon steel continuous annealing drying oven
Strip steel pulls out in silicon steel continuous annealing drying oven, and the strip steel termination of pull-out is welded with another section strip steel,
Complete threading.
This patented technology, mainly for the threading method of silicon steel continuous annealing drying oven, uses common
Steel wire rope completes threading with band steel welding method, the control to strip running deviation amount and belt plate shape deformation
Effect processed is poor.
A kind of method for controlling micro-tension of hot strip rolling looper, mesh disclosed in the patent documentation of CN101661298
Be to improve hot-rolled product quality and hot rolling lumber recovery.This control method is suitable on continuous hot-rolling mill to essence
Roll Hydraulic Looper to be automatically controlled, strip steel after two adjacent finishing stands of kink all nip,
Control system calculates loop tension proportion of torque coefficient.Control system passes through tail part of band steel following calculation,
Cut away kink when the forebay afterbody of adjacent rack throws first 5 seconds turns of little sets of steel and part force coefficient calculating a little,
Proceed to definite value part a little moment be calculated and determined final kink position control give.
This patented technology mainly for a kind of mild tension condition method of hot continuous rolling kink, to finish rolling hydraulic pressure
Kink is automatically controlled, for hot rolled plate it is impossible to be directed to Precise asymptotics all fronts threading it is impossible to realize
The mild tension condition of cold-rolled orientation silicon steel thin plate.
Content of the invention
The purpose of the application is to provide a kind of Minimal Tension threading controlling party of cold-rolled orientation silicon steel thin plate
Method, described control method adopts mild tension condition threading, will part force value a little in strip steel crossing process
Be set to the 8% of uncoiler actual motion tension value so that strip steel is in crossing process, can uniformly according to
It is attached on pinch roll, the side force producing perpendicular to traffic direction is eliminated on pinch roll and belt steel surface,
Strip running deviation phenomenon is avoided to occur.For solving in existing threading control method, threading effect is undesirable,
The more problem of the useless plate of threading.
For achieving the above object, the technical scheme of the application is：A kind of cold-rolled orientation silicon steel thin plate micro-
Tension force threading control method, described Minimal Tension threading control method comprises the steps：
(1) when arriving uncoiler on coil of strip, open after taking the lead, real-time detection takes the lead threading signal, if inspection
Measure and take the lead just in threading, then to send automatic strip feeding signal to uncoiler, and send and build Zhang Zhiling
To uncoiler；
(2) specification according to coil of strip on uncoiler, sets Minimal Tension during strip steel threading, and according to setting
Fixed Minimal Tension size, sets up the threading tension force of strip steel between uncoiler and current pinch roll；；
(3) the actual threading tension force of strip steel described in real-time detection, if the actual threading of described strip steel is opened
The Minimal Tension that power meets setting requires, then control strip steel to start threading, and enter step (4), otherwise
According to step (2), the threading tension force resetting strip steel requires so as to meet Minimal Tension；
(4) in carrying firm crossing process, the actual running deviation value of real-time detection steel edge portion, and send and entangle
The number of believing one side only, carries out automatic deviation correction to the strip steel in crossing process；
(5) taking the lead to put on coiling machine if detected, completing threading, the Minimal Tension realizing strip steel is worn
Band controls.
The control method of the application passes through mild tension condition threading, decreases orientation silicon steel in Precise asymptotics
Threading running deviation value during production, decreases plate amount of giving up produced by threading, decreases production non-cutting time,
Improve unit Homes Using TV, and significantly improve the recovery rate of oriented silicon steel finishing group, meet orientation
Silicon steel product is in the actual production demand of Precise asymptotics.
Further, the Minimal Tension threading controlling party according to cold-rolled orientation silicon steel thin plate of the present invention
Method, described Minimal Tension threading control method is used for oriented silicon steel finishing group.
Further, the Minimal Tension threading controlling party according to cold-rolled orientation silicon steel thin plate of the present invention
Method, described Minimal Tension threading, from the beginning of inlet turning roll, terminates to putting on coiling machine.
Further, the Minimal Tension threading controlling party according to cold-rolled orientation silicon steel thin plate of the present invention
Method, in whole crossing process, it is as follows that described Minimal Tension sets up process to strip steel：
(1) when arriving uncoiler on coil of strip, open after taking the lead, take the lead through entrance turning, clamping and conveying roller, this
When entrance turning, clamping and conveying roller upper roller pressure, strip steel between uncoiler and entrance turning, clamping and conveying roller sets up
Minimal Tension；
(2) take the lead to be moved by entrance turning, clamping and conveying roller strap, wear to entrance feeding pinch roll, entrance feeding
After the pressure of pinch roll pinch roll, entrance turning, clamping and conveying roller upper roller is lifted, and uncoiler is pinched with entrance feeding
Strip steel between roller sets up Minimal Tension；
(3) take the lead to be driven by entrance feeding pinch roll, after threading to main pinch roll, main pinch roll closes
Close, entrance feeding pinch roll is opened, and sets up Minimal Tension between main pinch roll and uncoiler；
(4) take the lead to send roller strap to move by main folder, wear to outlet pinch roll, uncoiler is pinched with outlet
Minimal Tension is set up between roller；
(5) then strip steel is moved by exporting pinch roller strap, enters coiling machine through outlet turning roller, completes
Threading.
Further, the Minimal Tension threading controlling party according to cold-rolled orientation silicon steel thin plate of the present invention
Method, during strip steel threading, the Minimal Tension that sets as：
The Minimal Tension of strip steel=uncoiler runs actual tension value * 0.08
Uncoiler runs the thickness * uncoiler of coil of strip on actual tension value=uncoiler tension force setting value * uncoiler
The width of upper coil of strip.
Part that force value is set to actual motion tension value a little 8%, makes strip steel in actual production, uniformly according to
Be attached on pinch roll, eliminate produce on pinch roll and belt steel surface lateral perpendicular to traffic direction
Power, thus avoid strip running deviation phenomenon occur.
Further, the Minimal Tension threading controlling party according to cold-rolled orientation silicon steel thin plate of the present invention
Method, takes the lead to wear to main pinch roll, rests at hydraulic shear, waits to be sampled or cuts slitter edge, Ran Houchong
New transmitting control commands, strip steel continues threading.
Further, the Minimal Tension threading controlling party according to cold-rolled orientation silicon steel thin plate of the present invention
Method, after taking the lead at hydraulic shear through over sampling or cutting slitter edge, is pressed by the control of operative employee's push platform
Button come to control strip steel continue threading.
Further, the Minimal Tension threading controlling party according to cold-rolled orientation silicon steel thin plate of the present invention
Method, carries out sideslip detection by CPC center support system to the strip steel in threading.Due to using Minimal Tension control
Threading processed, strip steel, when CPC center support system, is in tensioned state all the time, and therefore can put into makes
Use CPC center support system, realize the automatic deviation correction of strip steel by CPC center support system, to improve sideslip
Defect, reduces steel scrap amount.
Further, the Minimal Tension threading controlling party according to cold-rolled orientation silicon steel thin plate of the present invention
Method, the threading that described Minimal Tension threading control method is used for 0.23mm～0.3mm Thin Strip Steel controls.
Further, the Minimal Tension threading controlling party according to cold-rolled orientation silicon steel thin plate of the present invention
Method, in strip steel production process, without threading signal is detected, then sends strip steel to uncoiler
All fronts run signal, strip steel is in no-station pole canopy running status, and uncoiler is carried out according to the tension value setting
Full tension force runs.
The beneficial effect that the present invention is reached：The control method of the application passes through mild tension condition threading,
Reduce the threading sideslip when Precise asymptotics produce for the orientation silicon steel it is achieved that orientation silicon steel thin material is in threading
During running deviation value be ± 1mm requirement, greatly reduce produced by threading give up plate amount, reduce
Production non-cutting time, improve unit Homes Using TV, and significantly improve the receipts of oriented silicon steel finishing group
Yield, meets the actual production demand in Precise asymptotics for the oriented silicon steel.
The force value that parts a little in strip steel crossing process is set to uncoiler actual motion tension value by the application
8%, make strip steel in actual production, be uniformly attached on pinch roll, eliminate pinch roll and strip steel table
Side force perpendicular to traffic direction is produced on face, thus avoid strip running deviation phenomenon occurring.
The control method of the application is because using mild tension condition threading, strip steel is through CPC center support system
When, it is in tensioned state all the time, therefore can come into operation CPC center support system, by CPC pair
Middle system realizes the automatic deviation correction of strip steel, to improve sideslip defect, reduces steel scrap amount.
Brief description
Fig. 1 is the control flow chart of the application；
Fig. 2 is the oriented silicon steel finishing group production line sketch that the application adopts.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail.
At present, when oriented silicon steel finishing group produces, the very thin generally 0.3mm of strip steel is had to arrive
0.23mm, unit often strip running deviation in threading with changing rule whipping process.Pinch roll is being worn simultaneously
Plate shape deformation also can be produced during band, substantial amounts of little useless volume can be produced or cut useless plate.So not only increase
Add production non-cutting time, and led to finishing to cut useless amount and increase, impact unit recovery rate and production capacity have been sent out
Wave.
For the problem that presently, there are, present applicant proposes a kind of threading side based on mild tension condition
Method, by adjusting strip tension during threading, using Minimal Tension threading, reduces orientation silicon steel in finishing
Threading running deviation value when unit produces is it is achieved that orientation silicon steel thin material running deviation value in crossing process is
The requirement of ± 1mm, greatly reduces plate amount of giving up produced by threading, decreases production non-cutting time,
Improve unit Homes Using TV, concrete control process is as shown in Figure 1：
(1) when arriving uncoiler on coil of strip, open after taking the lead, real-time detection takes the lead threading signal, if inspection
Measure and take the lead just in threading, then to send automatic strip feeding signal to uncoiler, and send and build Zhang Zhiling
To uncoiler；
(2) specification according to coil of strip on uncoiler, sets Minimal Tension during strip steel threading, and according to setting
Fixed Minimal Tension size, sets up the threading tension force of strip steel between uncoiler and current pinch roll, setting
Minimal Tension is：
The Minimal Tension of strip steel=uncoiler runs actual tension value * 0.08, and wherein, uncoiler runs actual
The width of coil of strip on the thickness * uncoiler of coil of strip on tension value=uncoiler tension force setting value * uncoiler.
(3) the actual threading tension force of strip steel described in real-time detection, if the actual threading of described strip steel is opened
The Minimal Tension that power meets setting requires, then control strip steel to start threading, and enter step (4), otherwise
According to step (2), the threading tension force resetting strip steel requires so as to meet Minimal Tension；
(4) in carrying firm crossing process, by the reality of CPC center support system real-time detection steel edge portion
Border running deviation value, and give deviation correcting signal in time, automatic deviation correction is carried out to the strip steel in crossing process, subtracts
Few threading sideslip；
(5) taking the lead to put on coiling machine if detected, completing threading, realize the Minimal Tension of strip steel
Threading controls.
A specific embodiment of the application control method is described below：
Embodiment：
The control method of the present embodiment, carries out Minimal Tension threading control in oriented silicon steel finishing group, such as
Shown in Fig. 2, coil of strip arrives uncoiler, and coil of strip is opened after taking the lead, prepare threading, whole crossing process
From the beginning of entrance turning, clamping and conveying roller, complete whole threading to wearing to coiling machine, when threading starts, in real time
Threading signal is taken the lead in detection, and in threading, carries out Minimal Tension adjustment to strip steel.The present embodiment strip steel
Whole crossing process, it is as follows that Minimal Tension sets up process：
(1) when arriving uncoiler 1 on coil of strip, and coil of strip opens after taking the lead, and takes the lead through entrance turning, clamping and conveying
Roller 2, the now upper roller pressure of entrance turning, clamping and conveying roller 2.
According to the Minimal Tension setting, set up the micro- of strip steel between uncoiler 1 and entrance turning, clamping and conveying roller 2
The actual threading tension force of strip steel between tension force, and real-time detection uncoiler 1 and entrance turning, clamping and conveying roller 2,
Strip steel actual threading tension force is adjusted, until the actual threading tension force of strip steel reaches parting a little of setting
When power requires, start threading action.
(2) when operative employee presses execute-in-place platform control knob, strip steel is worn and is cut to outlet.Take the lead by entering
Mouth turning, clamping and conveying roller 2 drives, and wears to entrance feeding pinch roll 4, when entrance feeding pinch roll 4 is depressed
Afterwards, the upper roller of entrance turning, clamping and conveying roller 2 is lifted, between uncoiler 1 and entrance feeding pinch roll 4
Strip steel sets up Minimal Tension.
(3) threading is taken the lead to main pinch roll 7, now main pinch roll by entrance feeding pinch roll 4
7 closures, entrance feeding pinch roll 4 is opened.Minimal Tension is set up between main pinch roll 7 and uncoiler 1.
(4) now steel coil strip head rests at 2# hydraulic shear 8, can be sampled or cut slitter edge.
When operative employee presses execute-in-place platform control knob, take the lead to drive to wear by main pinch roll 7 to pinch to outlet
Roller 10, now sets up Minimal Tension between uncoiler 1 and outlet pinch roll 10.
(5) then strip steel is driven by exporting pinch roll 10, enters coiling machine through outlet turning roller 11
12, complete whole crossing process.
In step (2)～(5), the adjustment with regard to strip steel threading Tensity size is identical with step (1),
Repeat no more.
Minimal Tension threading starts to putting on coiling machine to terminate from inlet turning roll, in actual production, wears
Belt tension can not be too big nor too little, and tension force is too big, if it exceeds the strength degree of strip steel, holds
It is easily caused broken belt, too little, then prevent the effect of strip running deviation just inconspicuous, therefore, the present embodiment band
In the whole crossing process of steel, the Minimal Tension of foundation is：The Minimal Tension of strip steel=uncoiler runs actual
Tension value * 0.08, wherein, uncoiler runs on actual tension value=uncoiler tension force setting value * uncoiler
The width of coil of strip on the thickness * uncoiler of coil of strip.Advantage is to take the lead to put on during coiling machine not
Can sideslip.
Part that force value is set to actual motion tension value a little the 8% of the present embodiment, makes strip steel in actual production
In, uniformly it is attached on pinch roll, eliminate and produce perpendicular to operation side on pinch roll and belt steel surface
To side force, thus avoid strip running deviation phenomenon occur.
In the whole crossing process of strip steel, by the detection grating real-time detection strip steel of CPC center support system
Actual running deviation value, and give deviation correcting signal in time, due to using mild tension condition threading, strip steel warp
When crossing CPC center support system, it is in tensioned state all the time, can be realized certainly by CPC center support system
Dynamic correction, to improve sideslip defect, reduces steel scrap amount.
In strip steel production process, without threading signal is detected, then send strip steel to uncoiler
All fronts run signal, strip steel is in no-station pole canopy running status, and uncoiler is carried out according to the tension value setting
Full tension force runs.
The control method of the application passes through mild tension condition threading, reduces orientation silicon steel and gives birth in Precise asymptotics
Threading sideslip during product is it is achieved that orientation silicon steel thin material running deviation value in crossing process is ± 1mm's
Require, greatly reduce plate amount of giving up produced by threading, decrease production non-cutting time, improve machine
Group Homes Using TV, and significantly improve the recovery rate of oriented silicon steel finishing group, meet oriented silicon steel
Actual production demand in Precise asymptotics.
The Q173 unit of applicant unit one belongs to since the threading method using the application, threading and
During magnetic tape trailer whipping, the impression producing, sideslip problem have eliminated, and greatly reduce steel scrap amount, subtract
Lack production non-cutting time, improve unit and open probability, also improve economic benefit simultaneously.
After the control method of Q173 units the application, direct year economic benefit of acquisition can reach
570.58 ten thousand yuan.In addition, in strip steel production process, due to needing compressor emergency shutdown to hang when cutting useless every time
Board, needs manually to pull up out from unit by useless plate, so each useless operation of cutting at least needs 2 points
The production non-cutting time of clock, with 10 tons of hourly output, monthly produce 2000 volumes and calculate, often
Indirect economic effect produced by year can reach 3,200,000 yuan.
Claims (10)
1. a kind of cold-rolled orientation silicon steel thin plate Minimal Tension threading control method it is characterised in that：Described
Minimal Tension threading control method comprise the steps：
(1) when arriving uncoiler on coil of strip, open after taking the lead, real-time detection takes the lead threading signal, if inspection
Measure and take the lead just in threading, then to send automatic strip feeding signal to uncoiler, and send and build Zhang Zhiling
To uncoiler；
(2) specification according to coil of strip on uncoiler, sets Minimal Tension during strip steel threading, and according to setting
Fixed Minimal Tension size, sets up the threading tension force of strip steel between uncoiler and current pinch roll；；
(3) the actual threading tension force of strip steel described in real-time detection, if the actual threading of described strip steel is opened
The Minimal Tension that power meets setting requires, then control strip steel to start threading, and enter step (4), otherwise
According to step (2), the threading tension force resetting strip steel requires so as to meet Minimal Tension；
(4) in carrying firm crossing process, the actual running deviation value of real-time detection steel edge portion, and send and entangle
The number of believing one side only, carries out automatic deviation correction to the strip steel in crossing process；
(5) taking the lead to put on coiling machine if detected, completing threading, the Minimal Tension realizing strip steel is worn
Band controls.
2. the Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate according to claim 1,
It is characterized in that, described Minimal Tension threading control method is used for oriented silicon steel finishing group.
3. the Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate according to claim 2,
It is characterized in that, described Minimal Tension threading, from the beginning of inlet turning roll, terminates to putting on coiling machine.
4. the Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate according to claim 3,
It is characterized in that, in whole crossing process, it is as follows that described Minimal Tension sets up process to strip steel：
(1) when arriving uncoiler on coil of strip, open after taking the lead, take the lead through entrance turning, clamping and conveying roller, this
When entrance turning, clamping and conveying roller upper roller pressure, strip steel between uncoiler and entrance turning, clamping and conveying roller sets up
Minimal Tension；
(2) take the lead to be moved by entrance turning, clamping and conveying roller strap, wear to entrance feeding pinch roll, entrance feeding
After the pressure of pinch roll pinch roll, entrance turning, clamping and conveying roller upper roller is lifted, and uncoiler is pinched with entrance feeding
Strip steel between roller sets up Minimal Tension；
(3) take the lead to be driven by entrance feeding pinch roll, after threading to main pinch roll, main pinch roll closes
Close, entrance feeding pinch roll is opened, and sets up Minimal Tension between main pinch roll and uncoiler；
(4) take the lead to send roller strap to move by main folder, wear to outlet pinch roll, uncoiler is pinched with outlet
Minimal Tension is set up between roller；
(5) then strip steel is moved by exporting pinch roller strap, enters coiling machine through outlet turning roller, completes
Threading.
5. the Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate according to claim 4,
It is characterized in that, during strip steel threading, the Minimal Tension that sets as：
The Minimal Tension of strip steel=uncoiler runs actual tension value * 0.08
Uncoiler runs the thickness * uncoiler of coil of strip on actual tension value=uncoiler tension force setting value * uncoiler
The width of upper coil of strip.
6. the Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate according to claim 4,
It is characterized in that, take the lead to wear to main pinch roll, rest at hydraulic shear, wait to be sampled or cut slitter edge,
Then resend control command, strip steel continues threading.
7. the Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate according to claim 6,
It is characterized in that, after taking the lead at hydraulic shear through over sampling or cutting slitter edge, by operative employee's push platform
Control knob come to control strip steel continue threading.
8. the Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate according to claim 1,
It is characterized in that, sideslip detection is carried out to the strip steel in threading by CPC center support system.
9. the Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate according to claim 1,
It is characterized in that, described Minimal Tension threading control method is used for wearing of 0.23mm～0.3mm Thin Strip Steel
Band controls.
10. the Minimal Tension threading control method of cold-rolled orientation silicon steel thin plate according to claim 1,
It is characterized in that, in strip steel production process, without threading signal is detected, then to uncoiler
Send strip steel all fronts run signal, strip steel is in no-station pole canopy running status, uncoiler is according to opening of setting
Force value carries out full tension force operation.
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| CN108772425A (en) * | 2018-05-24 | 2018-11-09 | 北京首钢股份有限公司 | The control method and device of strip running deviation |
| CN109423552A (en) * | 2017-08-25 | 2019-03-05 | 鞍钢股份有限公司 | A kind of method of quick extraction continuous annealing strip |
| CN110744118A (en) * | 2018-07-24 | 2020-02-04 | 宝山钢铁股份有限公司 | Shearing device for staggered-edge rolls of oriented silicon steel and control method |
| CN111633036A (en) * | 2020-06-09 | 2020-09-08 | 攀钢集团攀枝花钢钒有限公司 | Method for reducing local narrowing during tension building of hot continuous rolling coiler |
| CN112108522A (en) * | 2019-06-21 | 2020-12-22 | 上海梅山钢铁股份有限公司 | Control method for realizing stable threading of head of cold-rolled strip steel |
| CN112334243A (en) * | 2019-01-29 | 2021-02-05 | 普锐特冶金技术日本有限公司 | Control device for rolling device, rolling facility, and method for operating rolling device |
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