CN106391726A - Method for adjusting plate cut through hot rolling synchronous side press - Google Patents

Method for adjusting plate cut through hot rolling synchronous side press Download PDF

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Publication number
CN106391726A
CN106391726A CN201510465012.6A CN201510465012A CN106391726A CN 106391726 A CN106391726 A CN 106391726A CN 201510465012 A CN201510465012 A CN 201510465012A CN 106391726 A CN106391726 A CN 106391726A
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Prior art keywords
crank
synchronization
angle
main crank
main
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CN106391726B (en
Inventor
施建飞
李峰
廖永锋
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/68Camber or steering control for strip, sheets or plates, e.g. preventing meandering

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

The invention discloses a method for adjusting the plate cut through a hot rolling synchronous side press. The hot rolling synchronous side press comprises a main crank mechanism and a synchronous crank mechanism. The main crank mechanism drives a die block through a mechanical connecting rod and drives a strip steel plate blank to move in the vertical direction, namely the strip steel plate blank running direction. Through utilization of the deviation of work angles of cranks on the two sides of the synchronous side press, the direction where the cranks are laterally pressed and stressed is manually controlled, and therefore the adjustment on the deviation of the horizontal direction of the hot rolling strip steel plate blank plate cut is conducted. According to the method, the side press has the plate cut adjusting function as well, the plate cut is controllable, and damage caused by collisions of the plate blank to equipment is avoided. In addition, a wedge shape is not sacrificed while the strip steel plate cut is adjusted.

Description

A kind of hot rolling synchronous mode side compression machine template method of adjustment
Technical field
The present invention relates to metallurgical industry field, it is more particularly related to utilize synchronous mode side pressure in hot rolling mill Machine carries out the control method of roughing Profiles of Hot Rolling adjustment.
Background technology
In hot rolling mill, Profiles of Hot Rolling (shape of strip top view) problem is always that puzzlement produces is important to be asked Topic.The impacted many factors of Profiles of Hot Rolling, the such as reason such as temperature, material, equipment state all can lead to Profiles of Hot Rolling Off-center.
It is desirable that template control measures that can be accurate and effective for roughing, when template is subject to certain factor When occurring deviateing, operative employee can efficiently control roughing by this means and export template.
At present, the template control technique of roughing is the adjustment to carry out template for the deviation using horizontal roller both sides roll gap, There is no the technology carrying out template regulation and control using side compression machine.
Existing synchronous mode side compression machine synchronisation control means.
As Fig. 1, shown in 2, described synchronous mode side compression machine uses continous way fixed-width side press, continous way fixed width side The transmission of press can be divided into three parts, has mainly been come by lateral pressing structure of shoe, Width adjusting mechanism, three mechanisms of lazy-tongs Become.
Fig. 1 is the device structure sketch of hot rolling synchronous mode side compression machine.
Fig. 2 is the main crank of synchronous mode side compression machine, synchronization crank drives block motion schematic diagram.The motion of module Driven respectively by main crank and synchronization crank, and order about strip in motion vertically and horizontally.In figure In 2, main crank rotates, and moves, (module thus produces under driving mechanical connecting rod and module in the vertical direction To the vertical direction with plate slab, i.e. the motion with plate slab traffic direction, for the motion in this direction, two The module of side is to carry out strict mechanical synchronization action by frame for movement.And synchronization crank rotates then driving mechanical Connecting rod and module move in the horizontal direction (module thus produces horizontal direction and moves, to plate slab perpendicular to Strip with plate slab traffic direction laterally carries out side pressure movement), the synchronization of the horizontal direction of this both sides module is moved Then there is no mechanical device, be completely action to be synchronized by electrical control.
(main crank and synchronization crank pair are ordered about to the angle ring of above-mentioned main crank and each autokinesis of synchronization crank The cut-in point laterally carrying out side pressure movement perpendicular to the strip with plate slab traffic direction with plate slab sets Put) it is defined as:It is each 45 ° in the nearest operating point of spacing module.
Can be clearly seen from Fig. 2, the angle of both sides synchronization crank determines module position during side pressure.? During normal side pressure, the synchronization crank angle of both sides should be consistent substantially.
Existing template control technique and the problem of presence
Existing in roughing R1, the template control technique of R2 is to be entered using the deviation of roughing milling train horizontal roller both sides roll gap The adjustment of andante type.It is embodied as:In actual motion adjustment template method, if run into template partially worked Then working roll is pushed several MM if side, if running into the inclined transmission side of template, then several by lifting on working roll MM.
Time that above-mentioned this method of adjustment uses longer it should say it is a kind of so far relatively effective adjustment side Formula, its schematic diagram is as shown in Figure 3.When operating personnel have a mind to adjust both sides roll gap so that the roll gap of active side is less than Transmission side, so, in rolling, the strip extension of active side is more, so, the plate of horizontal roller mill outlet Type will be partial to transmission side;Similar, if operating personnel intentionally get the template of deflection active side, can So that the roll gap regulation of active side is bigger than transmission side.
Although the regulation and control method of above-mentioned this template is effectively, also bring a problem simultaneously:Its template Adjustment be with sacrifice carve type (because of follow-up finish rolling needs, the shape of strip sectional view needs necessarily to carve type) be front Carry.After adjusting every time, it is carved type and all certain deviation can, when serious, also can affect the thickness of strip Precision.
Goal of the invention
For overcoming the problems referred to above, it is an object of the invention to:
There is provided a kind of method relying on hot rolling synchronous mode side compression machine to carry out roughing control Profiles of Hot Rolling, by using same The deviation of step formula side compression machine both sides crank operating angle, direction during manual control crank side pressure stress, come with this Carry out the regulation of the horizontal direction deviation of Hot Strip blanket type.
See Fig. 1-8, a kind of principle of hot rolling synchronous mode side compression machine template method of adjustment of the present invention is as follows:
For synchronous mode side compression machine, the synchronization on modules dragged side pressure direction (x-axis) is mechanical synchronization, no Method is controlled;And modules dragged synchronization in the y-axis direction is then electric synchronization.
By prior art, every time in side pressure, the angle of both sides is consistent, and that is, in the diagram, both sides module exists Height in y-axis is consistent.So, in stress, discounting for other factors, slab is in y for slab Should be straight on direction of principal axis (y-axis direction is slab traffic direction).
But in actual use, due to the impact of various factors (as both sides temperature deviation), the prolonging of strip both sides Exhibition rate has certain difference, therefore, when both sides module in the synchronous case, i.e. y-axis highly consistent when, Template has certain skewed popularity, that is, occur the inclined active side with plate slab template for the hot rolling synchronous mode side compression machine or Transmission side problem.
Technical program of the present invention lies in purposeful, adjust strip plate typed horizontal direction (i.e. perpendicular to band with having direction Plate slab y-axis direction) deflection.When band steel plate type in the horizontal direction (i.e. perpendicular to band plate slab y-axis direction) When deflection, the conscious adjustment by both sides synchronization crank angle controls both sides module height on the y axis Degree, with this to control template (i.e. perpendicular to plate slab y-axis direction) in the horizontal direction deflection.
That is, the principle of technical solution of the present invention is:
By the control of both sides synchronization crank angle, purposefully adjust (slab traffic direction two side) module and exist The height of y-axis is so as to asymmetric, thus reaching regulation template in the horizontal direction (i.e. perpendicular to band plate slab y-axis Direction) purpose be partial to.
A kind of technical scheme of hot rolling synchronous mode side compression machine template method of adjustment of the present invention is as follows:
A kind of hot rolling synchronous mode side compression machine template method of adjustment, is to carry out template synchronization using hot rolling synchronous mode side compression machine Method of adjustment,
Described hot rolling synchronous mode side compression machine includes active side main crank mechanism and transmission side synchronization crank mechanism, described master Crank mechanism orders about module by mechanical linkage, and drives plate slab in vertical direction, i.e. band plate slab operation Move in direction,
Described synchronization crank mechanism orders about module by mechanical linkage, and drives plate slab perpendicular to vertical side To, i.e. the transverse movement with plate slab traffic direction,
When described synchronous mode side compression machine is in holding state, main crank mechanism is with given (for example, 5 revs/min) Speed at a slow speed is creeped, and synchronization crank mechanism is still in 0 degree,
It is characterized in that,
High-speed starting condition meets, and when bringing into operation, PLC sends high-speed starting instruction to band plate slab, main crank the Once when 45 degree of work starting point, system sends synch command to main crank mechanism, and main crank mechanism starts (for example, 50 revs/min) are quickly run by described even accelerating at a slow speed;
When main crank is for the second time through 45 degree of work starting point, synchronization crank mechanism starts by static even acceleration, Until reaching the simultaneously and rapidly speed of service with main crank mechanism;
Now, as main crank mechanism and synchronization crank mechanism are not implemented synchronization to (driving) angle of module, i.e. When leading to module highly inconsistent in the y-axis direction,
In the side pressure idle point of main crank, that is, main crank angle is [75 °, 315 °] point, to synchronization crank and main song The differential seat angle of handle compensates,
That is, main crank speed is constant, and the synchronization crank on both sides is each given additional according to the differential seat angle with main crank Compensate, thus control the deflection of template (i.e. perpendicular to plate slab y-axis direction) in the horizontal direction.
This is because, at this moment, both achieve Y-direction at (main crank mechanism and synchronization crank mechanism are to module) Speed sync, but both driving angles of (main crank mechanism and synchronization crank mechanism are to module) are also not carried out Synchronous, i.e. because angle is also not carried out synchronization, height is also inconsistent in the y-axis direction to lead to module.
In this regard, the differential seat angle of main crank and synchronization crank (must not be worked in the side pressure idle node of each cycle Point), namely main crank angle be [75 °, 315 °] in the range of be compensated,
As a result, active side synchronization crank is in side pressure, can be than transmission side synchronization angleFast A angle, So that active side module A angle faster than transmission side module on the y axis.
In this way so that active side synchronization crank is in side pressure, can be than the fast A angle of transmission side synchronization angle Degree, so that active side module A angle faster than transmission side module on the y axis.Set up by above synchronization and control Method, the result finally drawing is that both sides synchronization crank angle is consistent, eliminates template deviation so that side compression machine also has The function of template adjustment.
According to a kind of hot rolling synchronous mode side compression machine template method of adjustment of the present invention,
When described synchronous mode side compression machine is in holding state, main crank mechanism can give, and for example, 4-8 turns / point speed at a slow speed creep.
According to a kind of hot rolling synchronous mode side compression machine template method of adjustment of the present invention,
High-speed starting condition meets, and when bringing into operation, PLC sends high-speed starting instruction to band plate slab, main crank the Once when 45 degree of work starting point, system sends synch command to main crank mechanism, and main crank mechanism starts By described even at a slow speed accelerate to, for example, 40-80 rev/min of quick operation.
According to a kind of hot rolling synchronous mode side compression machine template method of adjustment of the present invention,
Described compensation way is:
Main crank speed is constant, and the synchronization crank on both sides each provides the benefit of 5-10% according to the differential seat angle with main crank Repay.
A kind of hot rolling synchronous mode side compression machine template method of adjustment according to the present invention it is characterised in that
Described compensation way is:
Main crank speed is constant, the compensation that the synchronization crank on both sides is each given according to the differential seat angle with main crank, i.e. Active side main crank synchroballistic and transmission side synchronization crank synchroballistic:
In formula,
KOcomFor active side main crank synchroballistic angle,
KDcomFor transmission side synchronization crank synchroballistic angle,
Based on degree in crank angle,
For active side synchronization crank angle,
For transmission side synchronization crank angle,
K is coefficient, 0.7-0.9.
In (Fig. 8) KOcomIn, the differential seat angle of original main crank and this side synchronization crank is added to be needed to adjust Angle, this angle A sends PLC to after being inputted on operation screen by operating personnel.Original KDcomKeep Constant.I.e.:
In formula,Based on degree in crank angle,For active side synchronization crank angle,Synchronous for transmission side Degree in crank angle, KDcom, KOcomRepresent coefficient, 0.7-0.9.
So, in the range of main crank angle is for [75 °, 315 °], active side synchronization crankTarget angle Degree is no longer main crank angle, butAngle;And the angle on target of synchronous side synchronization crank is still main Degree in crank angle.
As a result, active side synchronization crank is in side pressure, can be than transmission side synchronization angleFast A angle, So that active side module A angle faster than transmission side module on the y axis.
Set up control method by above synchronization, the result finally drawing is that both sides synchronization crank angle is consistent.
Compared with prior art, the present invention mainly has the advantage that:
1. achieve side compression machine adjustment template function from scratch,
In the past roughing region template adjustment can only be realized on horizontal roller mill, and the enforcement of the technical program is so that side Press there has also been the function of template adjustment.
2. improve the stability of side compression machine outlet device it is ensured that rolling line is stable,
In the past when side compression machine outlet template is bad, often damage the equipment such as side compression machine delivery guide, roller-way, but It is due to not having means to be controlled, equipment can only be look at helplessly impaired.The technical program makes template controlled, Slab percussion device is avoided to cause to damage.
3. adjustment band steel plate type does not sacrifice the type of carving simultaneously,
Original function of carrying out template adjustment using horizontal roller mill is to sacrifice premised on strip carves type, this Regulative mode can make belt steel thickness precision be affected.The enforcement of the technical program makes the control of template and carves type control System separates, and has good independence.
Brief description
Fig. 1 is continous way fixed-width side press device structure schematic diagram.
Fig. 2 is main crank, synchronization crank drives block motion schematic diagram.
Fig. 3 carries out template adjustment schematic diagram for use level roller mill.
Fig. 4 is main crank during side pressure, synchronization crank drives block motion schematic diagram.
When Fig. 5 represents that both sides module y-axis is highly consistent, template is straight state diagram.
When Fig. 6 represents adjustment both sides module y-axis height, plate form control is deflection WS side state diagram.
Fig. 7 is speed compensation control figure.
Fig. 8 is Baosteel hot rolling 1580mm producing line large lateral pressure control block diagram.
Fig. 9 A, B be not respectively using the actual effect figure of technical solution of the present invention.
Figure 10 A, B are respectively the actual effect figure using the present invention program.
In figure, 1 mair motor;2 synchronous motors;3 module opening adjustment mechanisms;4 modules; 5 slabs;6 upper-lower compacting rollers.
Specific embodiment
Embodiment
Patent of the present invention is implemented on Baosteel hot rolling 1580mm producing line side compression machine.From same time, same to heat (batch) number, same to rule The product Contrast on effect of lattice sees, the technical program is notable for template Adjustment effect.
According to the hot rolling synchronous mode side compression machine template method of adjustment of the present embodiment, described hot rolling synchronous mode side compression machine includes Active side main crank mechanism and transmission side synchronization crank mechanism, described main crank mechanism orders about mould by mechanical linkage Block, and drive plate slab in vertical direction, i.e. band plate slab traffic direction motion.
Described synchronization crank mechanism orders about module by mechanical linkage, and drives plate slab perpendicular to vertical side To the i.e. transverse movement with plate slab traffic direction.
When described synchronous mode side compression machine is in holding state, main crank mechanism with given 5 revs/min at a slow speed Speed is creeped, and synchronization crank mechanism is still in 0 degree.
High-speed starting condition meets, and when bringing into operation, PLC sends high-speed starting instruction to band plate slab, main crank the Once when 45 degree of work starting point, system sends synch command to main crank mechanism, and main crank mechanism starts By the described even at a slow speed quick operation accelerating to 50 revs/min.
When main crank is for the second time through 45 degree of work starting point, synchronization crank mechanism starts by static even acceleration, Until reaching the simultaneously and rapidly speed of service with main crank mechanism.
Now, main crank mechanism and synchronization crank mechanism are not implemented synchronization to (driving) angle of module, i.e. lead Cause module highly inconsistent in the y-axis direction.Now, in the side pressure idle point of main crank, that is, main crank angle is [75 °, 315 °] point, compensates to the differential seat angle of synchronization crank and main crank,
That is, main crank speed is constant, and the synchronization crank on both sides is each given additional according to the differential seat angle with main crank Compensate, thus control the deflection of template (i.e. perpendicular to plate slab y-axis direction) in the horizontal direction.
To the differential seat angle of main crank and synchronization crank each cycle side pressure idle node (i.e. not operating point), Ye Jizhu Degree in crank angle is to compensate in the range of [75 °, 315 °], as a result, active side synchronization crank is in side pressure, Can be than transmission side synchronization angleFast A angle, so that active side module ratio transmission side module on the y axis Fast A angle.
Described compensation way is:
Main crank speed is constant, the compensation that the synchronization crank on both sides is each given according to the differential seat angle with main crank, i.e. Active side main crank synchroballistic and transmission side synchronization crank synchroballistic:
In formula,
KOcomFor active side main crank synchroballistic angle,
KDcomFor transmission side synchronization crank synchroballistic angle,
Based on degree in crank angle,
For active side synchronization crank angle,
For transmission side synchronization crank angle,
K is coefficient, 0.7-0.9.
Defining method to main crank and the respective angle ring of synchronization crank is:Each self-defined spacing module closest approach For 45 °.
Can be clearly seen from Fig. 2, the angle of both sides synchronization crank determines module position during side pressure.? During normal side pressure, the synchronization crank angle of both sides should be consistent substantially.
The way of the technical program is K in fig. 8OcomIn, by original for main crank and this side synchronization crank Differential seat angle adds the angle needing to adjust, and this angle A sends to after being inputted on operation screen by operating personnel PLC.Original KDcomKeep constant.I.e.:
So, in the range of main crank angle is for [75 °, 315 °], the angle on target of active side synchronization crank is not It is main crank angle again, butAngle;And the angle on target of synchronous side synchronization crank is still main crank Angle.In this way so that active side synchronization crank is in side pressure, being capable of A faster than transmission side synchronization angle Angle, so that active side module A angle faster than transmission side module on the y axis.
Fig. 9 A, B are not export template record using the SP both sides angle and roughing of this programme aborning.
Figure 10 A, B are to export template record using the SP both sides angle and roughing of the present invention program aborning, this Use the mode of fast 2 ° of active side, result is roughing outlet template slightly biased active side 1mm.
Can see, for two blocks of steel of almost identical situation, after the technical program adjustment template, correct for Roughing exports the skew of template, plays a good role.
Compared with prior art, the present invention mainly has the advantage that:
1. achieve side compression machine adjustment template function from scratch,
In the past roughing region template adjustment can only be realized on horizontal roller mill, and the enforcement of the technical program is so that side Press there has also been the function of template adjustment.
2. improve the stability of side compression machine outlet device it is ensured that rolling line is stable,
In the past when side compression machine outlet template is bad, often damage the equipment such as side compression machine delivery guide, roller-way, but It is due to not having means to be controlled, equipment can only be look at helplessly impaired.The technical program makes template controlled, Slab percussion device is avoided to cause to damage.
3. adjustment band steel plate type does not sacrifice the type of carving simultaneously
Original function of carrying out template adjustment using horizontal roller mill is to sacrifice premised on strip carves type, this Regulative mode can make belt steel thickness precision be affected.The enforcement of the technical program makes the control of template and carves type control System separates, and has good independence.
The present invention has been applied to Baosteel 1580mm hot rolling rolling line SP side compression machine, through scene actually used it was demonstrated that our Method reaches its goal of the invention, can push away with further genralrlization to other hot rolling mills using synchronous mode side compression machine both at home and abroad Extensively have a extensive future.

Claims (4)

1. a kind of hot rolling synchronous mode side compression machine template method of adjustment, is to enter andante using hot rolling synchronous mode side compression machine Type synchronization adjustment method,
Described hot rolling synchronous mode side compression machine includes active side main crank mechanism and transmission side synchronization crank mechanism, described Main crank mechanism orders about module by mechanical linkage, and drives plate slab in vertical direction, that is, carry plate slab Traffic direction moves,
Described synchronization crank mechanism orders about module by mechanical linkage, and drives plate slab perpendicular to perpendicular Nogata to, the i.e. transverse movement with plate slab traffic direction,
When described synchronous mode side compression machine is in holding state, main crank mechanism is climbed with given speed at a slow speed OK, synchronization crank mechanism is still in 0 degree,
It is characterized in that,
High-speed starting condition meets, and when band plate slab brings into operation, PLC sends high-speed starting instruction, main crank For the first time when 45 degree of work starting point, system sends synch command, main crank mechanism to main crank mechanism Start quickly to be run by described even accelerating at a slow speed;
When main crank second is through 45 degree of work starting point, synchronization crank mechanism start by static even plus Speed, until it reaches the simultaneously and rapidly speed of service with main crank mechanism;
Now, as main crank mechanism and synchronization crank mechanism are not implemented synchronization to the driving angle of module, i.e. lead When causing module highly inconsistent in the y-axis direction,
In the side pressure idle point of main crank, that is, main crank angle is [75 °, 315 °] point, to synchronization crank with The differential seat angle of main crank compensates,
That is, main crank speed is constant, and the synchronization crank on both sides is each given additional according to the differential seat angle with main crank Compensation, thus control template in the horizontal direction, that is, perpendicular to the deflection with plate slab y-axis direction.
2. as claimed in claim 1 a kind of hot rolling synchronous mode side compression machine template method of adjustment it is characterised in that
To the differential seat angle of main crank and synchronization crank each cycle side pressure idle node, i.e. not operating point, namely Main crank angle is to compensate in the range of [75 °, 315 °],
As a result, active side synchronization crank is in side pressure, can be than transmission side synchronization angleFast A angle, So that active side module A angle faster than transmission side module on the y axis, finally make both sides synchronization crank angle Degree is consistent, eliminates template deviation.
3. as claimed in claim 1 a kind of hot rolling synchronous mode side compression machine template method of adjustment it is characterised in that
Described compensation way is:
Described compensation way is:
Main crank speed is constant, the compensation that the synchronization crank on both sides is each given according to the differential seat angle with main crank, That is, active side main crank synchroballistic and transmission side synchronization crank synchroballistic:
In formula,
KOcomFor active side main crank synchroballistic angle,
KDcomFor transmission side synchronization crank synchroballistic angle,
Based on degree in crank angle,
For active side synchronization crank angle,
For transmission side synchronization crank angle,
K is coefficient, 0.7-0.9.
4. as claimed in claim 1 a kind of hot rolling synchronous mode side compression machine template method of adjustment it is characterised in that
Described compensation way is:
Main crank speed is constant, and the synchronization crank on both sides each provides 5-10%'s according to the differential seat angle with main crank Compensate.
CN201510465012.6A 2015-07-31 2015-07-31 A kind of hot rolling synchronous mode side compression machine template method of adjustment Active CN106391726B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107433286A (en) * 2016-05-27 2017-12-05 宝山钢铁股份有限公司 A kind of template method of adjustment realized using hot rolling synchronous mode heavy side press
CN108971235A (en) * 2017-05-31 2018-12-11 宝山钢铁股份有限公司 A kind of hot rolling synchronous mode side compression machine slab sticks up discount control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542305A (en) * 1991-08-14 1993-02-23 Nippon Steel Corp Method and device for setting rolling reduction of vertical rolling mill
CN2589106Y (en) * 2002-12-13 2003-12-03 宝山钢铁股份有限公司 High side pressure constant width machine synchronous device
CN101633002A (en) * 2008-07-24 2010-01-27 宝山钢铁股份有限公司 Method for controlling large lateral pressure of plate blank
CN102120224A (en) * 2010-01-08 2011-07-13 宝山钢铁股份有限公司 Control method of automatic deviation correction during rolling of hot continuous rolling mill
CN103376768A (en) * 2012-04-28 2013-10-30 宝山钢铁股份有限公司 Large side pressing machine multi-device coordination control method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542305A (en) * 1991-08-14 1993-02-23 Nippon Steel Corp Method and device for setting rolling reduction of vertical rolling mill
CN2589106Y (en) * 2002-12-13 2003-12-03 宝山钢铁股份有限公司 High side pressure constant width machine synchronous device
CN101633002A (en) * 2008-07-24 2010-01-27 宝山钢铁股份有限公司 Method for controlling large lateral pressure of plate blank
CN102120224A (en) * 2010-01-08 2011-07-13 宝山钢铁股份有限公司 Control method of automatic deviation correction during rolling of hot continuous rolling mill
CN103376768A (en) * 2012-04-28 2013-10-30 宝山钢铁股份有限公司 Large side pressing machine multi-device coordination control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107433286A (en) * 2016-05-27 2017-12-05 宝山钢铁股份有限公司 A kind of template method of adjustment realized using hot rolling synchronous mode heavy side press
CN108971235A (en) * 2017-05-31 2018-12-11 宝山钢铁股份有限公司 A kind of hot rolling synchronous mode side compression machine slab sticks up discount control method

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