CN110328232A - A method of utilizing process control rolling wedge-shaped steel plate - Google Patents
A method of utilizing process control rolling wedge-shaped steel plate Download PDFInfo
- Publication number
- CN110328232A CN110328232A CN201910457913.9A CN201910457913A CN110328232A CN 110328232 A CN110328232 A CN 110328232A CN 201910457913 A CN201910457913 A CN 201910457913A CN 110328232 A CN110328232 A CN 110328232A
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- China
- Prior art keywords
- steel plate
- rolling
- thickness
- wedge
- clapboard
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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
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
-
- 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
- B21B2261/043—Blanks with variable thickness in the rolling direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The present invention relates to a kind of methods using process control rolling wedge-shaped steel plate, belong to Heavy Plate Production technology field.Technical solution is: to the slab of production wedge-shaped steel plate, setting multiple points in length direction and thickness direction, each coordinate points are length of this away from slab head and the thickness of slab herein；The wedge-shaped plate shape produced as needed determines length and change value of thickness, sets rolling wedge-shaped plate scheme, and setting means is PrimoS online database, and the rolling of clapboard is completed by the Process Control System of milling train.The main advantages of the present invention: (1) existing normal steel plate in the industries such as bridge, building and shipbuilding cannot be used for supporting role, and clapboard can fill up this function, so wedge rolling is the innovative point of Medium and Heavy Plate Rolling；(2) such clapboard productive profit is far longer than the productive profit of general steel plate, occupies leading position, exploits market.
Description
Technical field
The present invention relates to a kind of methods using process control rolling wedge-shaped steel plate, belong to Heavy Plate Production technology neck
Domain.
Background technique
Clapboard is a kind of special cut deal, is longitudinal variable cross-section steel plates, also referred to as LP (longitudinal
Profiled) steel plate is the important raw material of bridge and shipbuilding production, with present rapid economic development, bridge and shipbuilding industry
Critical role is accounted in economy, is growing steadily, so that the demand to clapboard greatly improves.It is rolled for clapboard, it is domestic
Production technology is also immature, and this restrict the development of Bridges in Our Country and shipbuilding industry.It is industrial in order to meet domestic bridge and shipbuilding etc.
Growth requirement, promote China's economic development, it is most important to research and produce clapboard technique, how to manufacture clapboard and has become
For this field technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of methods using process control rolling wedge-shaped steel plate, can produce wedge shape
Cut deal is increased economic efficiency, while also playing significant role for industrial expansions such as Bridges in Our Country and shipbuildings, solves existing skill
The above problem existing for art.
The technical scheme is that a kind of method using process control rolling wedge-shaped steel plate, comprises the following steps:
1. setting multiple points, length direction and thickness in length direction and thickness direction to the slab of production wedge-shaped steel plate
The point in direction is arranged in pairs, and is corresponded, and one group of coordinate points is formed, and each coordinate points are length of this away from slab head and this
Locate the thickness of slab；
2. the wedge-shaped plate shape produced as needed determines length and change value of thickness, the existing process control system of milling train is utilized
System, sets rolling wedge-shaped plate scheme, and setting means is PrimoS online database；
3. and then the length and change value of thickness of the clapboard produced as needed, cooperation slab setting coordinate points, by rolling
The Process Control System of machine completes the rolling of clapboard.
20 points are set in slab length direction and thickness direction, construct 20 points of coordinate.
It, can if plate plate long enough can once roll two or more clapboard, be cut after rolling successfully
Greatly improve production efficiency.
The existing Process Control System of milling train is existing milling train Secondary process control system, can be used to set and roll
Clapboard scheme processed, setting means are PrimoS online database.Clapboard setting scheme is directed to slab length and thickness respectively
Direction is set by point, and corresponded, and can at most set each 20 points of length, thickness direction.That is plate plate away from
When how many meters of head, thickness is how many, constructs such one group of coordinate, can at most construct 20 such coordinates.
Compared with prior art, the present invention have following major advantage: (1) existing normal steel plate in bridge, build and make
It cannot be used for supporting role in the industries such as ship, and clapboard can fill up this function, so wedge rolling is Medium and Heavy Plate Rolling
Innovative point；(2) such clapboard productive profit is far longer than the productive profit of general steel plate, occupies leading position, exploits market.
Detailed description of the invention
Fig. 1 is that one clapboard steel plate of the embodiment of the present invention sets scheme schematic diagram；
Fig. 2 is that two clapboard steel plate of the embodiment of the present invention sets scheme schematic diagram.
Specific embodiment
Below in conjunction with attached drawing, by embodiment, the present invention will be further described.
A method of using process control rolling wedge-shaped steel plate, comprise the following steps:
1. setting multiple points, length direction and thickness in length direction and thickness direction to the slab of production wedge-shaped steel plate
The point in direction is arranged in pairs, and is corresponded, and one group of coordinate points is formed, and each coordinate points are length of this away from slab head and this
Locate the thickness of slab；
2. the wedge-shaped plate shape produced as needed determines length and change value of thickness, the existing process control system of milling train is utilized
System, sets rolling wedge-shaped plate scheme, and setting means is PrimoS online database；
3. and then the length and change value of thickness of the clapboard produced as needed, cooperation slab setting coordinate points, by rolling
The Process Control System of machine completes the rolling of clapboard.
The existing Process Control System of milling train is existing milling train Secondary process control system, can be used to set and roll
Clapboard scheme processed, setting means are PrimoS online database.Clapboard setting scheme is directed to slab length and thickness respectively
Direction is set by point, and corresponded, and can at most set each 20 points of length, thickness direction.That is plate plate away from
When how many meters of head, thickness is how many, constructs such one group of coordinate, can at most construct 20 such coordinates.
Clearly roll setting scheme first, it is thus necessary to determine that plate thickness variation is how many, using several points, several passes at
Function, length, thickness coordinate are how many respectively.If steel plate long enough can once roll out more than two clapboards, because one
20 points can be used altogether, be only varied when setting thickness, steel plate is cut after rolling successfully, in this way may be used
To greatly improve production efficiency.
Embodiment one:
Clapboard is slope clapboard, is designed as 3 and rolls into, and uses preceding 5 points in 20 points, length, thickness coordinate difference
For (0,40), (2000,41), (4000,43), (6000,44) and (8000,45).Arithemetic unit is millimeter, that is to say, that away from steel
With a thickness of 40 millimeters, the local steel plate rolling for being 2000 millimeters away from steel plate head is the local steel plate rolling that wrench portion is 0 millimeter
41 millimeters, the local steel plate rolling for being 4000 millimeters away from steel plate head is 43 millimeters, the place for being 6000 millimeters away from steel plate head
Steel plate rolling is 44 millimeters, and the local steel plate rolling for being 8000 millimeters away from steel plate head is 45 millimeters, using PrimoS in line number
After library setting scheme success, Process Control System carries out passage arrangement, and final scene rolling becomes gradient clapboard.
Specific embodiment: determine clapboard rolling design scheme using 5 points, length, thickness coordinate be respectively (0,
40), (2000,41), (4000,43), (6000,44) and (8000,45), data unit are millimeter.Then in milling train second level PMC
PrimoS online database is run on server, opens OTAPER tables of data, inputs Piece_Id=201709080060000(steel
Plate mill second level lot number), (1 just refers to that clapboard rolls, it is necessary to select 1), PM02_No_Tape_Pass for PM02_Tape_Type=1
=3(wedge rolling has several passages altogether, and 3 passages is selected to roll into herein), PM02_No_Tape_Points=5 are (altogether using several
Point, that is, steel plate length, thickness coordinate have it is several), PM02_Length_Coord [0]=0 (at 0 millimeter of steel plate head),
PM02_Length_Coord [1]=2000(is away from 2000 millimeters of steel plate head), PM02_Length_Coord [2]=4000(away from
At 4000 millimeters of steel plate head), PM02_Length_Coord [3]=6000(is away from 6000 millimeters of steel plate head), PM02_
Length_Coord [4]=4000(is away from 8000 millimeters of steel plate head)；PM02_Thick_Coord [0]=40 is (away from steel plate head 0
Millimeter at a thickness of 40 millimeters), PM02_Thick_Coord [1]=41 (away from 0 millimeter of steel plate head with a thickness of 41 millimeters),
PM02_Thick_Coord [2]=43 (away from 0 millimeter of steel plate head with a thickness of 43 millimeters), PM02_Thick_Coord [3]=44
(away from 0 millimeter of steel plate head with a thickness of 44 millimeters), PM02_Thick_Coord [4]=45 is (away from thickness at 0 millimeter of steel plate head
It is 45 millimeters).After the completion of data setting, point commit is waited to be rolled.
Embodiment two:
Clapboard is steel plate both sides thickness, and the clapboard of intermediate thin is designed as 3 passages and rolls into, using preceding 6 points in 20 points,
Length, thickness coordinate are respectively (0,50), (2000,50), (3360,40), (3960,40), (5320,50) and (8320,50).
Arithemetic unit is millimeter, that is to say, that away from steel plate head is 0 millimeter of local steel plate rolling with a thickness of 50 millimeters, away from steel plate head
It is also 50 millimeters for 2000 millimeters of local steel plate rolling thickness, the local steel plate rolling thickness for being 3360 millimeters away from steel plate head
It is 40 millimeters, is 3960 millimeters of local steel plate rolling with a thickness of 40 millimeters away from steel plate head, is 5320 millimeters away from steel plate head
Local steel plate rolling with a thickness of 50 millimeters, the local steel plate rolling thickness for being 8320 millimeters away from steel plate head is also 50 millimeters,
After the setting scheme success of PrimoS online database, Process Control System carries out passage arrangement, and final scene rolling becomes two
Side thickness intermediate thin obtains clapboard.
Specific embodiment is as follows: clapboard roll design scheme use 6 points, length, thickness coordinate be respectively (0,
50), (2000,50), (3360,40), (3960,40), (5320,50) and (8320,50), data unit is millimeter.Then exist
Operation PrimoS online database on milling train second level PMC server, opening OTAPER tables of data, input Piece_Id=
201709080070000(sheet rolling mill second level lot number), (1 just refers to that clapboard rolls, it is necessary to select for PM02_Tape_Type=1
1), PM02_No_Tape_Pass=3(wedge rolling has several passages altogether, we select 3 passages to roll into herein), PM02_No_
Tape_Points=6 (altogether use several points, that is, steel plate length, thickness coordinate have it is several), PM02_Length_Coord
[0]=0 (at 0 millimeter of steel plate head), PM02_Length_Coord [1]=2000 (at 2000 millimeters of steel plate head),
PM02_Length_Coord [2]=3360 (at 3360 millimeters of steel plate head), PM02_Length_Coord [3]=3960 (away from
At 3960 millimeters of steel plate head), PM02_Length_Coord [4]=5320 (at 5320 millimeters of steel plate head), PM02_
Length_Coord [5]=8320 (at 8320 millimeters of steel plate head), PM02_Thick_Coord [0]=50 is (away from steel plate head 0
Millimeter at a thickness of 50 millimeters), PM02_Thick_Coord [1]=50 (away from 2000 millimeters of steel plate head with a thickness of 50 millimeters),
PM02_Thick_Coord [2]=40 (away from 3360 millimeters of steel plate head with a thickness of 40 millimeters), PM02_Thick_Coord [3]=
40 (away from 3960 millimeters of steel plate head with a thickness of 40 millimeters), PM02_Thick_Coord [4]=50 is (away from the milli of steel plate head 5320
Rice at a thickness of 50 millimeters), PM02_Thick_Coord [0]=50 (away from 8320 millimeters of steel plate head with a thickness of 50 millimeters).It will
After the completion of data setting, point commit is waited to be rolled.
Claims (3)
1. a kind of method using process control rolling wedge-shaped steel plate, characterized by comprising the steps of:
1. setting multiple points, length direction and thickness in length direction and thickness direction to the slab of production wedge-shaped steel plate
The point in direction is arranged in pairs, and is corresponded, and one group of coordinate points is formed, and each coordinate points are length of this away from slab head and this
Locate the thickness of slab；
2. the wedge-shaped plate shape produced as needed determines length and change value of thickness, the existing process control system of milling train is utilized
System, sets rolling wedge-shaped plate scheme, and setting means is PrimoS online database；
3. and then the length and change value of thickness of the clapboard produced as needed, cooperation slab setting coordinate points, by rolling
The Process Control System of machine completes the rolling of clapboard.
2. a kind of method using process control rolling wedge-shaped steel plate according to claim 1, it is characterised in that: in slab
Length direction and thickness direction set 20 points, construct 20 points of coordinate.
3. a kind of method using process control rolling wedge-shaped steel plate according to claim 1 or 2, it is characterised in that: such as
Fruit plate plate long enough, can once roll two or more clapboard, be cut after rolling successfully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457913.9A CN110328232A (en) | 2019-05-29 | 2019-05-29 | A method of utilizing process control rolling wedge-shaped steel plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910457913.9A CN110328232A (en) | 2019-05-29 | 2019-05-29 | A method of utilizing process control rolling wedge-shaped steel plate |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850375A (en) * | 2006-04-29 | 2006-10-25 | 东北大学 | Method for continuously rolling variable-thickness steel plate |
| CN101817023A (en) * | 2009-11-25 | 2010-09-01 | 河北钢铁股份有限公司 | Thickness control method for rolling wedge-shaped steel plate |
| CN102581033A (en) * | 2011-01-12 | 2012-07-18 | 宝山钢铁股份有限公司 | Method for controlling opening degree of rough rolling edger during rolling of tapered slab |
| CN103302094A (en) * | 2013-06-08 | 2013-09-18 | 东北大学 | Production method of transverse wedge-shaped rolled thickness-variable steel plate |
| CN104741377A (en) * | 2015-03-30 | 2015-07-01 | 宝山钢铁股份有限公司 | Rolling method of boards with different longitudinal thicknesses |
| CN106270718A (en) * | 2015-05-20 | 2017-01-04 | 宝山钢铁股份有限公司 | The equipment of cold rolling Varying Thickness Plates automatic shearing and cutting method based on this equipment |
| CN107052059A (en) * | 2017-06-16 | 2017-08-18 | 安徽工程大学 | Control method for rolling based on the general five-part form sign of LP steel plate target sizes |
| CN108393359A (en) * | 2017-02-08 | 2018-08-14 | 鞍钢股份有限公司 | A kind of milling method of wedge shape LP steel plates |
-
2019
- 2019-05-29 CN CN201910457913.9A patent/CN110328232A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850375A (en) * | 2006-04-29 | 2006-10-25 | 东北大学 | Method for continuously rolling variable-thickness steel plate |
| CN101817023A (en) * | 2009-11-25 | 2010-09-01 | 河北钢铁股份有限公司 | Thickness control method for rolling wedge-shaped steel plate |
| CN102581033A (en) * | 2011-01-12 | 2012-07-18 | 宝山钢铁股份有限公司 | Method for controlling opening degree of rough rolling edger during rolling of tapered slab |
| CN103302094A (en) * | 2013-06-08 | 2013-09-18 | 东北大学 | Production method of transverse wedge-shaped rolled thickness-variable steel plate |
| CN104741377A (en) * | 2015-03-30 | 2015-07-01 | 宝山钢铁股份有限公司 | Rolling method of boards with different longitudinal thicknesses |
| CN106270718A (en) * | 2015-05-20 | 2017-01-04 | 宝山钢铁股份有限公司 | The equipment of cold rolling Varying Thickness Plates automatic shearing and cutting method based on this equipment |
| CN108393359A (en) * | 2017-02-08 | 2018-08-14 | 鞍钢股份有限公司 | A kind of milling method of wedge shape LP steel plates |
| CN107052059A (en) * | 2017-06-16 | 2017-08-18 | 安徽工程大学 | Control method for rolling based on the general five-part form sign of LP steel plate target sizes |
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Application publication date: 20191015 |