CN106583497A - Control method for pressure of clamping and conveying roller of strip steel coiler - Google Patents
Control method for pressure of clamping and conveying roller of strip steel coiler Download PDFInfo
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- CN106583497A CN106583497A CN201611147619.0A CN201611147619A CN106583497A CN 106583497 A CN106583497 A CN 106583497A CN 201611147619 A CN201611147619 A CN 201611147619A CN 106583497 A CN106583497 A CN 106583497A
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- pinch roll
- output value
- artificial correction
- secondary artificial
- lateral pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/003—Regulation of tension or speed; Braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
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- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention discloses a control method for pressure of a clamping and conveying roller of a strip steel coiler. Firstly, in a mathematical calculation model for calculating the pressure of the clamping and conveying roller of the coiler, an output value of the pressure of the clamping and conveying roller is subdivided according to the variant parameter of finished product strip steel thickness; and then according to the site actual strip steel coiling condition, the output value, given by the mathematical calculation model, of the pressure of the clamping and conveying roller is subjected to secondary manual correction according to the finished product strip steel thickness, and the manual correction can be selectively performed on pressure of an operating side and/or a transmission side of the clamping and conveying roller. The production process is flexible, the production efficiency is high, free crossed coiling at different thicknesses is achieved, the control method is suitable for simultaneous organized production of small batch, multiple steel grades and multiple specifications, the coiling stability and the shape coiling quality of strip steel in different thickness specifications are improved, the executing precision and the stability of the pressure of the clamping and conveying roller are guaranteed when finished product strip steel thickness specifications jump substantially, and the as-scheduled quality and quantity guaranteeing delivery of products is guaranteed.
Description
Technical field
The present invention relates to continuous rolling technology field, more particularly, to a kind of control method of power reel Withdrawal roll pressure.
Background technology
As client reduces production cost and by city to the increasingly strict and hot rolling producing line of coils of hot-rolled steel roll quality
Field environmental effect, iron and steel enterprise needs to be produced according to order tissue, and small lot, many steel grades, many specifications organize production, thickness simultaneously
Jump exceeds process specifications standard, and Limit specifications are constantly expanded.
Power reel pinch roll is the important component part of downcoiler, plays great during strip coiling
Effect：Strip steel is waited with certain advanced rate (with respect to strip steel) operating before strip steel reaches coiling machine, one is played to strip steel head
Fixed draw；Strip steel head is prebended when strip steel head reaches coiler pinch-roll, makes strip steel be easily accessible volume
Take machine；After strip steel batches stable in coiling machine, pinch roll and reel keep speed sync, and by tension force finishing mill with batch
Reasonable distribution is carried out between machine, it is ensured that roll；After tail part of band steel leaves finishing mill F6, pinch roll is with certain delayed rate (phase
To strip steel) operating, certain drag interaction is played to tail part of band steel.
At present, coiler pinch-roll pressure adopts constant single Stress control.But during actual actual production, belt steel thickness
Difference, required Withdrawal roll pressure is just different, when each thickness specification changes, needs operator in operation screen to pinch roll
Pressure is modified, and the change of produced on-site thickness specification is faster than larger, rhythm of production, needs operator frequently to correct pinch roll-in
Power is controlled, and workload is big, is also unfavorable for that production is stable and product quality is stable.
Thickness is thinner, and Withdrawal roll pressure amendment affects more obvious to batching stability and roll quality.
Because pinch roll is performed during coil, pressure is inaccurate or F6 milling trains throw the unilateral pressure of pinch roll after steel not
Adjustable, scroll after steel is bad to cause F6 milling trains to throw, and particularly evident when thin gauge strip is batched, roll cannot when making rolling thin material
Control, the serious production for constraining thin gauge strip.
When requiring organization of production for this, thickness specification can not frequently jump.
Therefore, how to realize that different-thickness strip steel freely intersects batch, adapt to small lot, many steel grades, many specifications group simultaneously
The strip steel for knit production, improving different-thickness specification batches stability and roll quality, it is ensured that when thickness specification is significantly jumped
Withdrawal roll pressure performs accuracy and stability is the technical problem of current those skilled in the art's urgent need to resolve.
The content of the invention
In view of this, it is an object of the invention to provide a kind of control method of power reel Withdrawal roll pressure, the control
Method can realize that different-thickness strip steel freely intersects and batch, adapts to small lot, many steel grades, many specifications while organizing production, carrying
The strip steel of high different-thickness specification batches stability and roll quality, it is ensured that Withdrawal roll pressure when thickness specification is significantly jumped
Perform accuracy and stability.
To solve above-mentioned technical problem, the technical scheme that the present invention is provided is：
A kind of control method of power reel Withdrawal roll pressure, the Withdrawal roll pressure includes that pinch roll operates lateral pressure
Lateral pressure is driven with pinch roll；
By pinch roll fore side pressure output value and pinch in the mathematics computing model for calculating coiler pinch-roll pressure
According to finished strip thickness, this variable parameter is finely divided roller transmission side pressure output value, multiple adjacent finished strip thickness
A finished strip thickness range is constituted, each finished strip thickness range one pinch roll fore side pressure output value of correspondence,
The different pinch roll fore side pressure output value of different finished strip thickness range correspondences, each finished strip thickness range pair
Answer a pinch roll transmission side pressure output value, the different pinch roll transmission lateral pressure of different finished strip thickness range correspondences
Output valve；
In man-machine operation system, according to the folder that live actual strip coiling situation is given to the mathematics computing model
Roller fore side pressure output value and/or pinch roll transmission side pressure output value is sent to carry out secondary manually repairing according to finished strip thickness
Just, the secondary artificial correction scope of one pinch roll operation lateral pressure of each finished strip thickness range correspondence, different completed belt
The different secondary artificial correction scope of pinch roll operation lateral pressure of steel thickness range correspondence, each finished strip thickness range correspondence
One pinch roll is driven the secondary artificial correction scope of lateral pressure, and the different pinch roll of different finished strip thickness range correspondences is passed
The secondary artificial correction scope of dynamic horizontal pressure.
Preferably, according to finished strip thickness, strip steel is divided into：H≤1.3,1.3 ＜ H≤1.9,1.9 ＜ H≤2.1,2.1
＜ H≤2.6,2.6 ＜ H≤3.05,3.05 ＜ H≤3.55,3.55 ＜ H≤4.05,4.05 ＜ H≤5.05,5.05 ＜ H≤6.1,
6.1 ＜ H≤8.1,8.1 ＜ H≤10.1,10.1 ＜ H, the H is finished strip thickness, and unit is mm；
When finished product belt steel thickness H≤1.3, the pinch roll fore side pressure output value that the mathematics computing model is given with
Pinch roll transmission side pressure output value is 700KN -900KN, and the corresponding pinch roll fore side of the finished strip thickness range
The secondary artificial correction scope of pressure is -600KN -1300KN with the secondary artificial correction scope of pinch roll transmission lateral pressure；
When 1.3 ＜ H≤1.9 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 900KN -1300KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -700KN -
1500KN；
When 1.9 ＜ H≤2.1 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 1300KN -1700KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -1100KN -
1800KN；
When 2.1 ＜ H≤2.6 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 1700KN -2200KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -1400KN -
1800KN；
When 2.6 ＜ H≤3.05 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 2200KN -2600KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -1800KN -
2000KN；
When 3.05 ＜ H≤3.55 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given
Output valve is 2600KN -3150KN, and the corresponding folder of finished strip thickness range with pinch roll transmission side pressure output value
Send the roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2000KN -
2100KN；
When 3.55 ＜ H≤4.05 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given
Output valve is 3150KN -3500KN, and the corresponding folder of finished strip thickness range with pinch roll transmission side pressure output value
Send the roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2200KN -
2400KN；
When 4.05 ＜ H≤5.05 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given
Output valve is 3500KN -3900KN, and the corresponding folder of finished strip thickness range with pinch roll transmission side pressure output value
Send the roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2600KN -
2600KN；
When 5.05 ＜ H≤6.1 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 3900KN -4500KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2800KN -
2800KN；
When 6.1 ＜ H≤8.1 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 4500KN -6200KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -3000KN -
3000KN；
When 8.1 ＜ H≤10.1 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 6200KN -7400KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -3500KN -
3500KN；
As 10.1 ＜ H of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given
7400KN -11200KN, and the corresponding pinch roll of finished strip thickness range are with pinch roll transmission side pressure output value
The secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -4000KN -
4000KN。
Compared with prior art, the invention provides a kind of control method of power reel Withdrawal roll pressure, exists first
Calculate in the mathematics computing model of coiler pinch-roll pressure and pinch roll fore side pressure output value and pinch roll are driven into side pressure
According to finished strip thickness, this variable parameter is finely divided power output valve, multiple adjacent finished strip thickness constitute one into
Product belt steel thickness scope, each finished strip thickness range one pinch roll fore side pressure output value of correspondence, different finished products
The different pinch roll fore side pressure output value of belt steel thickness scope correspondence, each one pinch of finished strip thickness range correspondence
Roller transmission side pressure output value, the different pinch roll transmission side pressure output value of different finished strip thickness range correspondences；
In man-machine operation system, according to the folder that live actual strip coiling situation is given to the mathematics computing model
Roller fore side pressure output value and/or pinch roll transmission side pressure output value is sent to carry out secondary manually repairing according to finished strip thickness
Just, the secondary artificial correction scope of one pinch roll operation lateral pressure of each finished strip thickness range correspondence, different completed belt
The different secondary artificial correction scope of pinch roll operation lateral pressure of steel thickness range correspondence, each finished strip thickness range correspondence
One pinch roll is driven the secondary artificial correction scope of lateral pressure, and the different pinch roll of different finished strip thickness range correspondences is passed
The secondary artificial correction scope of dynamic horizontal pressure；
Improve the precision of Withdrawal roll pressure control, there is provided suitable Withdrawal roll pressure effectively clamps strip steel, protect
Strip steel is demonstrate,proved and has occurred without sideslip problem after finishing mill F6 throws steel, it is allowed to which finished strip thickness specification has frequently been jumped during produced on-site
Jump, eliminate operator frequently change coiler pinch-roll pressure labor intensity and amendment cause not in time batch steel-fastening
Accident and the bad problem of roll.
To sum up, the invention provides a kind of coiler pinch-roll compress control method, production technology is flexible, production efficiency
Height, realizes different-thickness and freely intersects and batch, and adapts to small lot, many steel grades, many specifications and organizes production, improves difference simultaneously
The strip steel of thickness specification batches stability and roll quality, it is ensured that pinch roll when finished strip thickness specification is significantly jumped
Pressure performs accuracy and stability, it is ensured that the payment of guaranteeing both quality and quantity as scheduled of product.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, but
It should be appreciated that these descriptions simply further illustrate the feature and advantage of the present invention, rather than to the limit of the claims in the present invention
System.
This application provides a kind of control method of power reel Withdrawal roll pressure, the Withdrawal roll pressure includes pinching
Roller operates lateral pressure to be driven lateral pressure with pinch roll；
By pinch roll fore side pressure output value and pinch in the mathematics computing model for calculating coiler pinch-roll pressure
According to finished strip thickness, this variable parameter is finely divided roller transmission side pressure output value, multiple adjacent finished strip thickness
A finished strip thickness range is constituted, each finished strip thickness range one pinch roll fore side pressure output value of correspondence,
The different pinch roll fore side pressure output value of different finished strip thickness range correspondences, each finished strip thickness range pair
Answer a pinch roll transmission side pressure output value, the different pinch roll transmission lateral pressure of different finished strip thickness range correspondences
Output valve；
In man-machine operation system, according to the folder that live actual strip coiling situation is given to the mathematics computing model
Roller fore side pressure output value and/or pinch roll transmission side pressure output value is sent to carry out secondary manually repairing according to finished strip thickness
Just, the secondary artificial correction scope of one pinch roll operation lateral pressure of each finished strip thickness range correspondence, different completed belt
The different secondary artificial correction scope of pinch roll operation lateral pressure of steel thickness range correspondence, each finished strip thickness range correspondence
One pinch roll is driven the secondary artificial correction scope of lateral pressure, and the different pinch roll of different finished strip thickness range correspondences is passed
The secondary artificial correction scope of dynamic horizontal pressure.
In one embodiment in this application, according to finished strip thickness, strip steel is divided into：H≤1.3,1.3 ＜ H≤
1.9th, 1.9 ＜ H≤2.1,2.1 ＜ H≤2.6,2.6 ＜ H≤3.05,3.05 ＜ H≤3.55,3.55 ＜ H≤4.05,4.05 ＜ H
≤ 5.05,5.05 ＜ H≤6.1,6.1 ＜ H≤8.1,8.1 ＜ H≤10.1,10.1 ＜ H, the H be finished strip thickness, unit
For mm；
When finished product belt steel thickness H≤1.3, the pinch roll fore side pressure output value that the mathematics computing model is given with
Pinch roll transmission side pressure output value is 700KN -900KN, and the corresponding pinch roll fore side of the finished strip thickness range
The secondary artificial correction scope of pressure is -600KN -1300KN with the secondary artificial correction scope of pinch roll transmission lateral pressure；
When 1.3 ＜ H≤1.9 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 900KN -1300KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -700KN -
1500KN；
When 1.9 ＜ H≤2.1 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 1300KN -1700KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -1100KN -
1800KN；
When 2.1 ＜ H≤2.6 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 1700KN -2200KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -1400KN -
1800KN；
When 2.6 ＜ H≤3.05 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 2200KN -2600KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -1800KN -
2000KN；
When 3.05 ＜ H≤3.55 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given
Output valve is 2600KN -3150KN, and the corresponding folder of finished strip thickness range with pinch roll transmission side pressure output value
Send the roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2000KN -
2100KN；
When 3.55 ＜ H≤4.05 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given
Output valve is 3150KN -3500KN, and the corresponding folder of finished strip thickness range with pinch roll transmission side pressure output value
Send the roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2200KN -
2400KN；
When 4.05 ＜ H≤5.05 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given
Output valve is 3500KN -3900KN, and the corresponding folder of finished strip thickness range with pinch roll transmission side pressure output value
Send the roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2600KN -
2600KN；
When 5.05 ＜ H≤6.1 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 3900KN -4500KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2800KN -
2800KN；
When 6.1 ＜ H≤8.1 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 4500KN -6200KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -3000KN -
3000KN；
When 8.1 ＜ H≤10.1 of finished product belt steel thickness, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 6200KN -7400KN, and the corresponding pinch of finished strip thickness range with pinch roll transmission side pressure output value
The roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -3500KN -
3500KN；
As 10.1 ＜ H of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given
7400KN -11200KN, and the corresponding pinch roll of finished strip thickness range are with pinch roll transmission side pressure output value
The secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -4000KN -
4000KN。
In the present invention, preferably all strip steel finished product thicknesses are divided into into 12 thickness ranges：H≤1.3,1.3 ＜ H≤1.9,
1.9 ＜ H≤2.1,2.1 ＜ H≤2.6,2.6 ＜ H≤3.05,3.05 ＜ H≤3.55,3.55 ＜ H≤4.05,4.05 ＜ H≤
5.05th, 5.05 ＜ H≤6.1,6.1 ＜ H≤8.1,8.1 ＜ H≤10.1,10.1 ＜ H, so subdivision can more easily control folder
Send roller pressure.Above-mentioned finished product thickness scope can further be expanded up or down according to practical condition, it is also possible to will
Above-mentioned certain finished product thickness scope is further segmented.
For a further understanding of the present invention, with reference to a kind of power reel pinch roll that embodiment is provided the present invention
The control method of pressure is described in detail, and protection scope of the present invention is not limited by the following examples.
Embodiment 1
Production finished product thickness is the Q235B hot-strips of 3.75mm, according to above-mentioned control method, because 3.75mm is in
The range intervals of ＜ H≤4.05 of finished product thickness 3.55, the pinch roll fore side pressure output value that the mathematics computing model is given
3150KN -3500KN, and the corresponding pinch roll behaviour of the finished strip thickness range are with pinch roll transmission side pressure output value
Make the secondary artificial correction scope of the secondary artificial correction scope of lateral pressure and pinch roll transmission lateral pressure be -2200KN -
2400KN。
The pinch roll fore side be given for the strip steel mathematics computing model and transmission side pressure output value are 3357KN, are grasped
Make tightness and coil of strip roll situation that personnel clamp according to actual coil process pinch roll to strip steel, to pinch roll chucking power
It is modified.If it is overall serious to fore side sideslip that production scene finishing mill F6 throws strip steel after steel, fore side pinch roll is illustrated
Pressure is too small, it is impossible to effectively clamp strip steel, and the pressure of 1000KN now can be increased in pinch roll fore side, will operate lateral pressure
Amendment 1000KN, such pinch roll operation lateral pressure is 4357KN, and transmission lateral pressure is 3357KN, and operation lateral pressure is big, to band
The effect of the oriented transmission side passage of steel, strip running deviation situation after observation adjustment, if need to adjust again.1 to 3 volume of general adjustment
Can reach ideal effect.It is excessive to avoid the occurrence of amendment, correction effect is corrected on the basis of last time amendment and combined every time,
Progressively correct.If now after fore side gives the pressure compensation of 2000KN, scroll improves still substantially can not simultaneously in transmission
Side gives and deducts the pressure of 1000KN and be modified, will transmission side pressure correction -1000KN, strip running deviation feelings after observation adjustment
Condition, if need to adjust again.If amendment clipping range is close to after now both sides amendment, when fore side pressure correction
2000KN, after transmission side amendment -2000KN, scroll is still not improved, and now needs parking checking pinch roll device whether there is
Whether problem, such as pinch roll hydraulic cylinder foundation bolt loosen, whether pinch roll tapered sleeve and sleeve gap are excessive.
Verified by certain enterprise practical, thickness is that 3.75mm and following specification can be produced in batches, and monthly yield is by original
5849 tons, bring up to 27251 tons, than it is front improve about 5 times.
Embodiment 2
Production finished product thickness for 11.8mm J610L automotive frame strip steel, according to above-mentioned control method, due to
Range intervals of the 11.8mm in the ＜ H of finished product thickness 10.1, the pinch roll operation lateral pressure that the mathematics computing model is given is defeated
Go out value and be 7400KN -11200KN, and the corresponding folder of finished strip thickness range with pinch roll transmission side pressure output value
Send the roller secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -4000KN -
4000KN。
The Withdrawal roll pressure output valve be given for the strip steel mathematics computing model is 8799KN, and operator are according to reality
Tightness and coil of strip roll situation that coil process pinch roll is clamped to strip steel, are modified to pinch roll chucking power.
Tightness and coil of strip roll situation that operator clamp according to actual coil process pinch roll to strip steel, to folder
Roller chucking power is sent to be modified.If production scene finishing mill F6 is thrown after steel, and strip steel is overall to the slight sideslip of transmission side, illustrate to pass
Dynamic side Withdrawal roll pressure is slightly smaller or also to be understood as fore side Withdrawal roll pressure slightly larger, it is impossible to effectively clamps strip steel, now may be used
The pressure correction of 500KN is carried out in pinch roll transmission side or carry out the pressure correction of -500KN in pinch roll fore side, two kinds
Scheme can be attempted
Strip running deviation situation after observation adjustment, if need to adjust again.1 to 3 volume of general adjustment can reach preferable effect
Really.Excessive to avoid the occurrence of amendment, every time amendment is on the basis of last time amendment and combines correction effect, progressively corrects.
Verified by certain enterprise practical, thickness is that 11.8mm and above specification can be produced in batches, and monthly yield is by original
4716 tons, bring up to 17832 tons, than it is front improve about 4 times.
The explanation of above example is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that right
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be carried out
Some improvement and modification, these are improved and modification is also fallen in the protection domain of the claims in the present invention.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
For various modifications of these embodiments are for those skilled in the art it will be apparent that defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
Will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with principles disclosed herein and features of novelty
Widest range.
Claims (2)
1. a kind of control method of power reel Withdrawal roll pressure, it is characterised in that
The Withdrawal roll pressure includes that pinch roll operation lateral pressure is driven lateral pressure with pinch roll；
Pinch roll fore side pressure output value and pinch roll are passed in the mathematics computing model for calculating coiler pinch-roll pressure
According to finished strip thickness, this variable parameter is finely divided dynamic horizontal pressure output valve, and multiple adjacent finished strip thickness are constituted
One finished strip thickness range, each finished strip thickness range one pinch roll fore side pressure output value of correspondence is different
The finished strip thickness range different pinch roll fore side pressure output values of correspondence, each finished strip thickness range correspondence one
Individual pinch roll transmission side pressure output value, the different pinch roll transmission side pressure output of different finished strip thickness range correspondences
Value；
In man-machine operation system, according to the pinch roll that live actual strip coiling situation is given to the mathematics computing model
Fore side pressure output value and/or pinch roll transmission side pressure output value carry out secondary artificial correction according to finished strip thickness,
The secondary artificial correction scope of one pinch roll operation lateral pressure of each finished strip thickness range correspondence, different finished strip is thick
The different secondary artificial correction scope of pinch roll operation lateral pressure of degree scope correspondence, each finished strip thickness range correspondence one
The secondary artificial correction scope of pinch roll transmission lateral pressure, the different pinch roll transmission side of different finished strip thickness range correspondences
The secondary artificial correction scope of pressure.
2. control method according to claim 1, it is characterised in that according to finished strip thickness, strip steel is divided into：H≤
1.3rd, 1.3 ＜ H≤1.9,1.9 ＜ H≤2.1,2.1 ＜ H≤2.6,2.6 ＜ H≤3.05,3.05 ＜ H≤3.55,3.55 ＜ H≤
4.05th, 4.05 ＜ H≤5.05,5.05 ＜ H≤6.1,6.1 ＜ H≤8.1,8.1 ＜ H≤10.1,10.1 ＜ H, the H is finished product
Belt steel thickness, unit is mm；
When finished product belt steel thickness H≤1.3, the pinch roll fore side pressure output value that the mathematics computing model is given with pinch
Roller transmission side pressure output value is 700KN -900KN, and the corresponding pinch roll of the finished strip thickness range operates lateral pressure
Secondary artificial correction scope is -600KN -1300KN with the secondary artificial correction scope of pinch roll transmission lateral pressure；
When 1.3 ＜ H≤1.9 of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given
900KN -1300KN, and the corresponding pinch roll behaviour of the finished strip thickness range are with pinch roll transmission side pressure output value
Make the secondary artificial correction scope of lateral pressure and be -700KN -1500KN with the secondary artificial correction scope of pinch roll transmission lateral pressure；
When 1.9 ＜ H≤2.1 of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given
1300KN -1700KN, and the corresponding pinch roll behaviour of the finished strip thickness range are with pinch roll transmission side pressure output value
Make the secondary artificial correction scope of the secondary artificial correction scope of lateral pressure and pinch roll transmission lateral pressure be -1100KN -
1800KN；
When 2.1 ＜ H≤2.6 of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given
1700KN -2200KN, and the corresponding pinch roll behaviour of the finished strip thickness range are with pinch roll transmission side pressure output value
Make the secondary artificial correction scope of the secondary artificial correction scope of lateral pressure and pinch roll transmission lateral pressure be -1400KN -
1800KN；
When 2.6 ＜ H≤3.05 of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given
2200KN -2600KN, and the corresponding pinch roll behaviour of the finished strip thickness range are with pinch roll transmission side pressure output value
Make the secondary artificial correction scope of the secondary artificial correction scope of lateral pressure and pinch roll transmission lateral pressure be -1800KN -
2000KN；
When 3.05 ＜ H≤3.55 of finished product belt steel thickness, the pinch roll fore side pressure output that the mathematics computing model is given
Value is 2600KN -3150KN, and the corresponding pinch roll of finished strip thickness range with pinch roll transmission side pressure output value
The secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2000KN -
2100KN；
When 3.55 ＜ H≤4.05 of finished product belt steel thickness, the pinch roll fore side pressure output that the mathematics computing model is given
Value is 3150KN -3500KN, and the corresponding pinch roll of finished strip thickness range with pinch roll transmission side pressure output value
The secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2200KN -
2400KN；
When 4.05 ＜ H≤5.05 of finished product belt steel thickness, the pinch roll fore side pressure output that the mathematics computing model is given
Value is 3500KN -3900KN, and the corresponding pinch roll of finished strip thickness range with pinch roll transmission side pressure output value
The secondary artificial correction scope of operation lateral pressure and the secondary artificial correction scope of pinch roll transmission lateral pressure be -2600KN -
2600KN；
When 5.05 ＜ H≤6.1 of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given
3900KN -4500KN, and the corresponding pinch roll behaviour of the finished strip thickness range are with pinch roll transmission side pressure output value
Make the secondary artificial correction scope of the secondary artificial correction scope of lateral pressure and pinch roll transmission lateral pressure be -2800KN -
2800KN；
When 6.1 ＜ H≤8.1 of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given
4500KN -6200KN, and the corresponding pinch roll behaviour of the finished strip thickness range are with pinch roll transmission side pressure output value
Make the secondary artificial correction scope of the secondary artificial correction scope of lateral pressure and pinch roll transmission lateral pressure be -3000KN -
3000KN；
When 8.1 ＜ H≤10.1 of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given
6200KN -7400KN, and the corresponding pinch roll behaviour of the finished strip thickness range are with pinch roll transmission side pressure output value
Make the secondary artificial correction scope of the secondary artificial correction scope of lateral pressure and pinch roll transmission lateral pressure be -3500KN -
3500KN；
As 10.1 ＜ H of finished product belt steel thickness, the pinch roll fore side pressure output value that the mathematics computing model is given with folder
Roller transmission side pressure output value is sent to be 7400KN -11200KN, and the corresponding pinch roll operation of the finished strip thickness range
The secondary artificial correction scope of lateral pressure is -4000KN -4000KN with the secondary artificial correction scope of pinch roll transmission lateral pressure.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10754336B2 (en) | 2018-05-04 | 2020-08-25 | Waymo Llc | Using environmental information to estimate sensor functionality for autonomous vehicles |
| CN113732077A (en) * | 2021-07-23 | 2021-12-03 | 阳春新钢铁有限责任公司 | Control system and method for anti-loosening clamp and flattening clamp of pinch roll |
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| US10754336B2 (en) | 2018-05-04 | 2020-08-25 | Waymo Llc | Using environmental information to estimate sensor functionality for autonomous vehicles |
| CN113732077A (en) * | 2021-07-23 | 2021-12-03 | 阳春新钢铁有限责任公司 | Control system and method for anti-loosening clamp and flattening clamp of pinch roll |
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