CN106111708B - A method of reducing tin plating edges of boards drop - Google Patents
A method of reducing tin plating edges of boards drop Download PDFInfo
- Publication number
- CN106111708B CN106111708B CN201610292752.9A CN201610292752A CN106111708B CN 106111708 B CN106111708 B CN 106111708B CN 201610292752 A CN201610292752 A CN 201610292752A CN 106111708 B CN106111708 B CN 106111708B
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- Prior art keywords
- calender rolls
- intermediate calender
- roll
- edge drop
- iedc
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Classifications
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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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
-
- 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
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
- B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/04—Thickness, gauge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/04—Flatness
- B21B2263/06—Edge waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2267/00—Roll parameters
- B21B2267/18—Roll crown; roll profile
Abstract
The invention discloses a kind of methods for reducing tin plating edges of boards drop, are applied to milling train, which comprises the described method includes: detecting each parameter of the intermediate calender rolls of the milling train, each parameter of the intermediate calender rolls includes the Edge Drop Control segment length L of intermediate calender rollsIEDC, intermediate calender rolls body of roll overall length LIMR；Intermediate calender rolls roll shape curve is calculated according to the Edge Drop Control segment length of the intermediate calender rolls；The shape of the intermediate calender rolls is set according to the intermediate calender rolls roll shape curve；Control the roll shifting amount S of the intermediate calender rolls1.The present invention solves in the prior art the technical problem that tin plate strip edge drop control capability is poor, and side wave is difficult to control, and has reached raising tin plate edge drop control capability, the uniform technical effect of tin plate thickness distribution.
Description
Technical field
The present invention relates to technical field of steel rolling, in particular to a kind of method for reducing tin plating edges of boards drop.
Background technique
Band steel board is one of most important product of steel and iron industry, and very important work is played in the national economic development
With.It is very widely used with steel board, such as tin plate, tin plate be mainly used for the tank material processed of soda and beer,
Its dimensional accuracy not only directly affects product lumber recovery, but also has larger impact to the moulding process of tank processed.Strip edge drop is band
One of the important indicator of steel board product quality.Milling train in the prior art is poor to tin plate edge drop control capability, Er Qiebian
Wave be also difficult to control, be not able to satisfy client to lateral thickness difference and plate shape demand.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of methods for reducing tin plating edges of boards drop, solve the prior art
Middle tin plate strip edge drop control capability is poor, and wave technical problem not easy to control in side has reached raising tin plate Edge Drop Control
Ability, the uniform technical effect of tin plate thickness distribution.
In order to solve the above technical problems, being applied to milling train, institute the present invention provides a kind of method for reducing tin plating edges of boards drop
Stating milling train includes intermediate calender rolls, which comprises
Each parameter of the intermediate calender rolls of the milling train is detected, each parameter of the intermediate calender rolls includes the Edge Drop Control section of intermediate calender rolls
Length LIEDC, intermediate calender rolls body of roll overall length LIMR；
Intermediate calender rolls roll shape curve is calculated according to the Edge Drop Control segment length of the intermediate calender rolls；
The shape of the intermediate calender rolls is set according to the intermediate calender rolls roll shape curve；
The intermediate calender rolls play, and control the roll shifting amount S of the intermediate calender rolls1。
It is preferably, described that intermediate calender rolls roll shape curve is calculated according to the Edge Drop Control segment length of the intermediate calender rolls, specifically:
The intermediate calender rolls roll shape curve is calculated according to the Edge Drop Control section and formula (1) of intermediate calender rolls；
g(x)LMR=a1x2+a2x4+a3x6X ∈ [0, LIEDC] (1)；
Wherein, a1、a2、a3For roll shape curve coefficient, -1≤a1≤ 1, -1≤a2≤ 1, -1≤a3≤1；
LIEDCFor intermediate calender rolls Edge Drop Control segment length, unit mm.
Preferably, a1、a2、a3Value be 1.
Preferably, a1、a2、a3Value be 0.3.
Preferably, the initial position of the shape that the intermediate calender rolls are arranged according to the intermediate calender rolls roll shape curve is described
The angular position of intermediate calender rolls end face.
Preferably, the initial position of the shape that the intermediate calender rolls are arranged according to the intermediate calender rolls roll shape curve is described
The angular position of intermediate calender rolls end face.
Preferably, the roll shifting amount S of the control intermediate calender rolls1, specifically:
Detect the strip width B of the tin plate, unit mm；
The length value δ that the intermediate calender rolls roll shape curve on the intermediate calender rolls is projected on the tin plating Strip is detected,
Unit is mm
The limiting value S for controlling the roll shifting amount of the intermediate calender rolls is calculated according to formula (2)；
Control the roll shifting amount S of the intermediate calender rolls1It is maintained at 0≤S of range1In≤S.
Preferably, the roll shifting amount S of the intermediate calender rolls1The limiting value S of the roll shifting amount of the specially described intermediate calender rolls.
Preferably, the Edge Drop Control segment length L of the intermediate calender rollsIEDCWith intermediate calender rolls overall length LIMRRelationship specifically: LIEDC/
LIMR=0.1~0.4.
Preferably, the Edge Drop Control segment length L of the intermediate calender rollsIEDCWith intermediate calender rolls overall length LIMRRelationship specifically: LIEDC/
LIMR=0.3.
The application has the beneficial effect that:
Intermediate calender rolls roll shape curve of the application by the determining milling train, the cooperation to the intermediate roll shifting amount of the milling train
Control, adjusts the intermediate roll shifting amount, and match with the intermediate calender rolls roller shape, solves tin plating Strip in the prior art
Edge drop control capability is poor, and wave technical problem not easy to control in side has reached raising tin plate edge drop control capability, tin plating plate thickness
Spend the technical effect being evenly distributed.
Further, intermediate calender rolls roll shape curve is arranged in the intermediate calender rolls in the application, through the intermediate calender rolls in described
Between roller roll shape curve play, and play does not occur for the top working roll and the bottom working roll, so that the tin plate is by squeezing
It is directly contacted when pressure due to being had no with the intermediate calender rolls, is not likely to produce surface defect, avoid generation surface uneven, tin plate band
Steel leaves roll marks etc., improves the quality of the tin plating Strip.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment.
Fig. 1 is the structural schematic diagram of one better embodiment milling train of the application；
Fig. 2 is the flow chart that the method for tin plating edges of boards drop is reduced in the application；
Detailed description of the invention:
100- intermediate calender rolls, 110- intermediate calender rolls roll shape curve, 200- top working roll, 300- bottom working roll, 400- tin plate.
Specific embodiment
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Fig. 2 is the flow chart that the method for tin plating edges of boards drop is reduced in the application, and the application provides a kind of tin plating edges of boards of reduction
The method of drop is applied to milling train, which comprises
Step S100 detects each parameter of the intermediate calender rolls of the milling train；
Specifically, each parameter of intermediate calender rolls described in the step S100 includes the Edge Drop Control segment length of intermediate calender rolls
LIEDC, intermediate calender rolls body of roll overall length LIMR。
Wherein, the milling train includes intermediate calender rolls, top working roll and bottom working roll, the intermediate calender rolls include upper intermediate calender rolls and with
The lower intermediate calender rolls that the upper intermediate calender rolls are oppositely arranged；The top working roll and the bottom working roll are disposed side by side on the upper centre
Between roller and the bottom working roll；The tin plate is installed between the top working roll and the bottom working roll.
Preferably, the Edge Drop Control segment length L of the intermediate calender rollsIEDCWith intermediate calender rolls overall length LIMRRelationship specifically: LIEDC/
LIMR=0.1~0.4.
Preferably, the Edge Drop Control segment length L of the intermediate calender rollsIEDCWith intermediate calender rolls overall length LIMRRelationship specifically: LIEDC/
LIMR=0.3.
Step S200 calculates intermediate calender rolls roll shape curve according to the Edge Drop Control segment length of the intermediate calender rolls；
Specifically, calculating intermediate calender rolls roller shape according to the Edge Drop Control segment length of the intermediate calender rolls described in the step S200
Curve specifically: the intermediate calender rolls roll shape curve is calculated according to the Edge Drop Control section and formula (1) of intermediate calender rolls；
g(x)LMR=a1x2+a2x4+a3x6X ∈ [0, LIEDC] (1)；
Wherein, a1、a2、a3For roll shape curve coefficient, -1≤a1≤ 1, -1≤a2≤ 1, -1≤a3≤1；
LIEDCFor intermediate calender rolls Edge Drop Control segment length, unit mm.
Preferably, a1、a2、a3Value be 1；Or, it is preferred that a1、a2、a3Value be 0.3.
The application in the opposite face of the working roll and the top working roll, the bottom working roll by being arranged to form an arc
Shape, so that when the milling train operation, when the top working roll and bottom working roll movement squeeze the tin plate, the centre
Roller changes the top working roll and the bottom working roll to the extruding force of the tin plate, reduces along the arc or so play
The tin plating edges of boards drop.Camber line curve, that is, the application intermediate calender rolls roll shape curve of the arc.
The shape of the intermediate calender rolls is arranged according to the intermediate calender rolls roll shape curve by step S300；
Specifically, the shape of the intermediate calender rolls is arranged in the step S300 according to the intermediate calender rolls roll shape curve, specifically
For the shape for changing the Edge Drop Control section of the intermediate calender rolls of the intermediate calender rolls according to the determining intermediate calender rolls roll shape curve.
Preferably, the initial position of the shape that the intermediate calender rolls are arranged according to the intermediate calender rolls roll shape curve is described
The angular position of intermediate calender rolls end face.
The setting of the intermediate calender rolls roll shape curve is so that when the milling train operation, the top working roll and the bottom working roll
Movement squeeze the tin plate when, the intermediate calender rolls adjusted along the intermediate calender rolls roll shape curve or so play the tin plate by
The extruding force arrived reduces the tin plating edges of boards drop.The specific shifting amount of the intermediate calender rolls is controlled in step S400, with
The tin plating edges of boards drop is further effectively reduced.
Step S400, the intermediate calender rolls play, and control the roll shifting amount S of the intermediate calender rolls1；
Specifically, the roll shifting amount S of the control intermediate calender rolls described in the step S3001Specifically: detection is described tin plating
The strip width B of plate, unit mm；
The length value δ that the intermediate calender rolls roll shape curve on the intermediate calender rolls is projected on the tin plating Strip is detected,
Unit is mm
The limiting value S for controlling the roll shifting amount of the intermediate calender rolls is calculated according to formula (2)；
Wherein, the intermediate calender rolls by Fig. 1 left side to the right play when, S, which is positive, to alter, the intermediate calender rolls by Fig. 1 right side
To the left play when, S, which is negative, to alter.
Control the roll shifting amount S of the intermediate calender rolls1It is maintained at 0≤S of range1In≤S.
Preferably, the roll shifting amount S of the intermediate calender rolls1The limiting value S of the roll shifting amount of the specially described intermediate calender rolls.
When operation, the top working roll and the bottom working roll in the milling train squeeze the tin plate, and pass through edge
The intermediate calender rolls roll shape curve position of the intermediate calender rolls or so play, to reduce tin plate.
Embodiment:
1420 cold mill complex S1~S3 rack of milling train is tested, and for the intermediate calender rolls roller shape parameter of the unit, is used for
Produce the tin plate that width is 874mm~1062mm.
(1) each parameter of the intermediate calender rolls of the milling train is detected；
Wherein, detection obtains L in the milling trainIEDCFor 200mm, LIMRFor 1420mm.
(2) intermediate calender rolls roll shape curve is calculated according to the Edge Drop Control segment length of the intermediate calender rolls；
Choose a1For 2.38780e-3, a2For -3.85635e-6, a3For 2.42966e-9；By a1、a2、a3、LIEDC、LIMRIt substitutes into
Formula g (x)LMR=a1x2+a2x4+a3x6In, obtain intermediate calender rolls roll shape curve function.
(3) shape of the intermediate calender rolls is set according to the intermediate calender rolls roll shape curve；
(4) the intermediate calender rolls play, and control the roll shifting amount S of the intermediate calender rolls1；
The length value δ that the intermediate calender rolls roll shape curve on the intermediate calender rolls is projected on the tin plating Strip is detected,
Pass through formulaThe limiting value of roll shifting amount, and the play in limiting value are calculated, is obtained described tin plating
The side of plate is reduced to 3~6 μm or so, and control effect improves 50%, improves tin plate thickness distribution quality.
The application's has the beneficial effect that:
Intermediate calender rolls roll shape curve of the application by the determining milling train, the cooperation to the intermediate roll shifting amount of the milling train
Control, adjusts the intermediate roll shifting amount, and match with the intermediate calender rolls roller shape, solves tin plating Strip in the prior art
Edge drop control capability is poor, and wave technical problem not easy to control in side has reached raising tin plate edge drop control capability, tin plating plate thickness
Spend the technical effect being evenly distributed.
Further, intermediate calender rolls roll shape curve is arranged in the intermediate calender rolls in the application, through the intermediate calender rolls in described
Between roller roll shape curve play, and play does not occur for the top working roll and the bottom working roll, so that the tin plate is by squeezing
It is directly contacted when pressure due to being had no with the intermediate calender rolls, is not likely to produce surface defect, avoid generation surface uneven, tin plate band
Steel leaves roll marks etc., improves the quality of the tin plating Strip.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (5)
1. a kind of method for reducing tin plating edges of boards drop, is applied to milling train, the milling train includes intermediate calender rolls, which is characterized in that described
Method includes:
Each parameter of the intermediate calender rolls of the milling train is detected, each parameter of the intermediate calender rolls includes the Edge Drop Control segment length of intermediate calender rolls
LIEDC, intermediate calender rolls body of roll overall length LIMR；
Intermediate calender rolls roll shape curve is calculated according to the Edge Drop Control segment length of the intermediate calender rolls；
The shape of the intermediate calender rolls is set according to the intermediate calender rolls roll shape curve；
The intermediate calender rolls play, and control the roll shifting amount S of the intermediate calender rolls1；
It is wherein, described that intermediate calender rolls roll shape curve is calculated according to the Edge Drop Control segment length of the intermediate calender rolls, specifically:
The intermediate calender rolls roll shape curve is calculated according to the Edge Drop Control section and formula (1) of intermediate calender rolls；
g(x)LMR=a1x2+a2x4+a3x6, x ∈ [0, LIEDC] (1)；
Wherein, a1、a2、a3For roll shape curve coefficient, -1≤a1≤ 1, -1≤a2≤ 1, -1≤a3≤1；
LIEDCFor intermediate calender rolls Edge Drop Control segment length, unit mm；
Wherein, the initial position of the shape that the intermediate calender rolls are arranged according to the intermediate calender rolls roll shape curve is the intermediate calender rolls
The angular position of end face；
Wherein, a1、a2、a3Value be 1.
2. the method as described in claim 1, which is characterized in that the roll shifting amount S of the control intermediate calender rolls1, specifically:
Detect the strip width B of the tin plate, unit mm；
Detect the length value δ that the intermediate calender rolls roll shape curve on the intermediate calender rolls is projected on the tin plating Strip, unit
For mm
The limiting value S for controlling the roll shifting amount of the intermediate calender rolls is calculated according to formula (2)；
Control the roll shifting amount S of the intermediate calender rolls1It is maintained at 0≤S of range1In≤S.
3. method according to claim 2, which is characterized in that the roll shifting amount S of the intermediate calender rolls1The specially described intermediate calender rolls
The limiting value S of roll shifting amount.
4. method a method according to any one of claims 1-3, which is characterized in that the Edge Drop Control segment length L of the intermediate calender rollsIEDCWith
Intermediate calender rolls overall length LIMRRelationship specifically: LIEDC/LIMR=0.1~0.4.
5. method a method according to any one of claims 1-3, which is characterized in that the Edge Drop Control segment length L of the intermediate calender rollsIEDCWith
Intermediate calender rolls overall length LIMRRelationship specifically: LIEDC/LIMR=0.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292752.9A CN106111708B (en) | 2016-05-05 | 2016-05-05 | A method of reducing tin plating edges of boards drop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292752.9A CN106111708B (en) | 2016-05-05 | 2016-05-05 | A method of reducing tin plating edges of boards drop |
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| Publication Number | Publication Date |
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| CN106111708A CN106111708A (en) | 2016-11-16 |
| CN106111708B true CN106111708B (en) | 2019-04-12 |
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| CN201610292752.9A Active CN106111708B (en) | 2016-05-05 | 2016-05-05 | A method of reducing tin plating edges of boards drop |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352101B (en) * | 2017-03-01 | 2020-11-20 | 日立金属株式会社 | Fe-Ni alloy thin plate and method for producing same |
| CN109214017A (en) * | 2017-06-30 | 2019-01-15 | 上海梅山钢铁股份有限公司 | For controlling the intermediate calender rolls roll contour design method of six roller UCM milling train edges drop |
| CN108405632B (en) * | 2018-03-07 | 2019-09-03 | 首钢集团有限公司 | A kind of hot continuous rolling period roller shifting method and device |
| CN109158429B (en) * | 2018-08-01 | 2020-03-20 | 首钢智新迁安电磁材料有限公司 | Edge drop control method for producing silicon steel by Sendzimir rolling mill |
| CN111112343B (en) * | 2018-10-31 | 2022-03-18 | 宝山钢铁股份有限公司 | Secondary cold-rolled plate shape control method of six-roller UCM rolling mill |
| CN113245374A (en) * | 2021-04-16 | 2021-08-13 | 首钢集团有限公司 | Control method for closed wave shape of roller and edge of tinplate substrate |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000301221A (en) * | 1999-04-20 | 2000-10-31 | Nisshin Steel Co Ltd | Method for controlling edge drop during cold rolling |
| JP4213434B2 (en) * | 2002-09-03 | 2009-01-21 | 東洋鋼鈑株式会社 | Edge drop control device for rolling mill |
| CN100352570C (en) * | 2005-07-29 | 2007-12-05 | 宝山钢铁股份有限公司 | Rolling method for overcoming compound wave shape |
| CN103203370A (en) * | 2012-01-12 | 2013-07-17 | 宝山钢铁股份有限公司 | Edge wave control method aiming at high-strength steel and work rollers thereof |
| CN103934277B (en) * | 2013-01-22 | 2016-02-24 | 宝山钢铁股份有限公司 | For the DI material edge drop control method of six-high cluster mill |
| CN103567229B (en) * | 2013-10-24 | 2015-04-01 | 北京科技大学 | Roll bending force combination plate shape control method for six-roll rolling mill |
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