CN106424157A - Control method and device for preventing leveling machine working roll from being scratched - Google Patents
Control method and device for preventing leveling machine working roll from being scratched Download PDFInfo
- Publication number
- CN106424157A CN106424157A CN201611034452.7A CN201611034452A CN106424157A CN 106424157 A CN106424157 A CN 106424157A CN 201611034452 A CN201611034452 A CN 201611034452A CN 106424157 A CN106424157 A CN 106424157A
- Authority
- CN
- China
- Prior art keywords
- working roll
- planisher
- machine
- steel
- roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 238000006748 scratching Methods 0.000 claims abstract description 13
- 230000002393 scratching effect Effects 0.000 claims abstract description 13
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 238000009790 rate-determining step (RDS) Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/48—Tension control; Compression control
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B2001/228—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 plates, strips, bands or sheets of indefinite length skin pass rolling or temper rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The invention belongs to the technical field of metallurgical industry, and discloses a control method for preventing a leveling machine working roll from being scratched, which comprises the following steps: a pre-tension control step, namely when tension is established in a machine, firstly establishing pre-tension according to 40% of set tension, and then continuing to establish the set tension after delaying T1; a step of controlling the tail plate shape of the strip after steel throwing, wherein when steel throwing operation is executed, the flattening machine and the coiling machine are stopped after T2 delay, and a pinch roll of the straightening machine is pressed down; a residual tension relieving step, namely, after the pinch roll of the straightening machine is pressed down to an extreme limit, executing tension removing operation; and the coiler reverses at inching speed for a time period T3. The invention provides a method for inhibiting abnormal scratching of a working roll.
Description
Technical field
The present invention relates to technical field of metallurgy industry, more particularly to a kind of control method for preventing planisher working roll from scratching
And device.
Background technology
Existing market quickly increases to the demand of Thin Specs, high-strength hot-rolled coiled sheet, to product surface quality and mechanicalness
Can be it is also proposed that requirements at the higher level, strip steel be after hot-rolled leveling operation, and can eliminate strip steel yield point elongation improves mechanical property.
But as hot rolling and leveling machine is close to, room temperature is rolled and no rolling lubrication causes working roll normal wear serious, especially
Can it be seriously a difficult problem of hot-rolled leveling rolling that control method for rolling causes working roll to scratch at present, be mainly reflected in and eliminate
The improper scuffing of working roll becomes the key for extending working roll active time and improving strip surface quality.
In prior art, due to the structural reason of producing line, improper scuffing is caused to be difficult effectively to suppress.
Content of the invention
The present invention provides a kind of control method for preventing planisher working roll from scratching and device, solves to suppress in prior art
The improper scuffing of working roll lacks efficiently, the technical problem of responsible measures.
For solving above-mentioned technical problem, the invention provides a kind of control method for preventing planisher working roll from scratching, bag
Include：
Pretension rate-determining steps, when machine is set up and opened, first set up pretension according to set tension force 40%, afterwards time delay T1
It is further continued for setting up to and sets tension force；
Magnetic tape trailer plate form control step after steel is thrown, when throwing steel operation is executed, is stopped after planisher and coiling machine time delay T2, rectify
Straight machine pinch roll pressure；
Remaining tension force is let out except step, after straightener pinch roll depresses to limit position, executes and removes an operation；And described batch
Machine is inverted with crawl speed, duration T 3.
Further, the span of T1 is 3～10s.
Further, the acquisition methods of T2 include：
According to formulaIt is calculated T2；
Wherein, L be throw steel after strip steel tail end apart from straightener distance；N is fixed value, 400～700mm of span；V
For unit crawl speed.
Further, the span of T3 is 1～5s.
A kind of planisher working roll scratches control device, including：
Pretension control module, when machine is set up and opened, first sets up pretension according to set tension force 40%, afterwards time delay T1
It is further continued for setting up to and sets tension force；
Steel control module is thrown, when throwing steel operation is executed, is stopped after planisher and coiling machine time delay T2, straightener pinches roll-in
Under；
Remaining tension force is let out except module, and coiling machine inverts control module, and after straightener pinch roll depresses to limit position, execution is removed
Open operation；And the coiling machine is inverted with crawl speed, duration T 3.
Further, the span of T1 is 3～10s.
Further, the acquisition methods of T2 include：
According to formulaIt is calculated T2；
Wherein, L be throw steel after strip steel tail end apart from straightener distance；N is fixed value, 400～700mm of span；V
For unit crawl speed.
Further, the span of T3 is 1～5s.
The one or more technical schemes for providing in the embodiment of the present application, at least have the following technical effect that or advantage：
The control method for preventing the scuffing of planisher working roll for providing in the embodiment of the present application and device, by building stage by stage
, and execute time delay rhythm, it is to avoid machine sets up the working roll for causing and support roller due to one step of hightension during setting up
Skidding between roll surface, scratches so as to avoid the work roll surface for being caused by skidding；Time delay by planisher and coiling machine
Stop and pinch roll pressing operation, when so that planisher is stopped, tail part of band steel is at straightener inlet pinch roll, it is ensured that strip steel
Afterbody is in upwarp type when by planisher, it is to avoid because detaining under afterbody, working roll roll surface is caused to scratch；Inverted by coiling machine
Operation, will be present in the Minimal Tension between planisher and coiling machine and lets out removing, during preventing working roll from lifting, strip steel drive work
Roller is frustrated with support roller, makes the scuffing of working roll roll surface.
Description of the drawings
Fig. 1 is the control method flow chart for preventing planisher working roll from scratching provided in an embodiment of the present invention；
Fig. 2 is the control process flow chart for preventing planisher working roll from scratching provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the present application is solved existing by providing a kind of control method for preventing planisher working roll from scratching and device
In technology, improper scuffing of suppression working roll lacks efficiently, the technical problem of responsible measures；Reach suppression work roll surface to draw
The technique effect of wound.
For solving above-mentioned technical problem, the general thought that the embodiment of the present application provides technical scheme is as follows：
Analyzed based on the reason for improper scuffing：Machine is set up when opening all causes working roll using step foundation to tension force is set
Mutually skid with support roller, cause work roll surface to produce scuffing；Smooth magnetic tape trailer shape mostly is lower button-type, instantly button-type magnetic tape trailer warp
When crossing planisher, working roll lower roll is caused to scratch；Compressor emergency shutdown planisher roll gap is present in coiling machine with planisher when lifting
Between Minimal Tension strip steel will be driven to slide so as to causing working roll to frustrate with support roller, making the scuffing of working roll roll surface makes band
There is rub phenomenon with working roll in steel.Current control method cannot eliminate working roll and scratch phenomenon, and working roll will be caused to be on active service
Time shortens, and strip surface quality reduces.
Corresponding being respectively directed to property, in a process of building, magnetic tape trailer Strip Shape Control and remaining mild tension condition are realized non-
Normal scuffing controls.
In order to be better understood from technique scheme, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment be to the application skill
The detailed description of art scheme, rather than the restriction to technical scheme, in the case of not conflicting, the embodiment of the present application
And the technical characteristic in embodiment can be mutually combined.
Referring to Fig. 1, a kind of control method for preventing planisher working roll from scratching provided in an embodiment of the present invention, including：
Pretension rate-determining steps, when machine is set up and opened, first set up pretension according to set tension force 40%, afterwards time delay T1
It is further continued for setting up to and sets tension force；
Magnetic tape trailer plate form control step after steel is thrown, when throwing steel operation is executed, is stopped after planisher and coiling machine time delay T2, rectify
Straight machine pinch roll pressure；
After straightener pinch roll depresses to limit position, execute and remove an operation；And the coiling machine is inverted with crawl speed,
Duration T 3.
Specifically, using pretension control be by machine set up when, first set up set tension force 40% pretension,
Then time delay T1 is further continued for what foundation was realized to tension force is set；Wherein, the span of parameter T1 is 3-10s so that when pre-
Tension force is set up after stablizing and resettles setting tension force.Control can eliminate unit when building, as tension force sets up the work for causing
Make skidding between roller and support roller roll surface, it is to avoid as the working roll that slippage of roll face is caused is scratched.
After throwing steel, magnetic tape trailer plate form control is shut down by planisher after steel is thrown and coiling machine time delay T2, and after increasing shutdown
Straightener pinch roll press control.
Specifically, with back range straightener apart from L, unit crawl speed V and fixed value N, Ran Houtong after acquisition throwing steel
Cross L-N/V and calculate planisher and coiling machine downtime T2 after acquisition throwing steel so that when planisher stops, tail part of band steel is in and rectifys
At straight machine entrance pinch roll, triggering straightener inlet pinch roll is depressed automatically, it is ensured that tail part of band steel is presented when by planisher
Stick up type, it is to avoid because detaining under afterbody, working roll roll surface is caused to scratch.
Further, the acquisition methods of T2 include：
According to formulaIt is calculated T2；
Wherein, L be throw steel after strip steel tail end apart from straightener distance；N is fixed value, 400～700mm of span；V
For unit crawl speed.
After throwing steel, Minimal Tension is let out except control：After unit is thrown the pressure of steel parking straightener pinch roll and put in place, coiling machine is with point
Dynamic speed Reverse T3, then planisher working roll lift.Will be present in the Minimal Tension between planisher and coiling machine and let out removing, parameter
T3 value is 1-5s.Increase the tension force being present between planisher and coiling machine after this control can eliminate parking, prevent work
During roller is lifted, strip steel drives working roll to frustrate with support roller, causes working roll roll surface to scratch.
The present embodiment also provides a kind of planisher working roll based on said method and scratches control device.
Specifically, including：
Pretension control module, when machine is set up and opened, first sets up pretension according to set tension force 40%, afterwards time delay T1
It is further continued for setting up to and sets tension force；
Steel control module is thrown, when throwing steel operation is executed, is stopped after planisher and coiling machine time delay T2, straightener pinches roll-in
Under；
Coiling machine inverts control module, after straightener pinch roll depresses to limit position, executes and removes an operation；And the volume
Take machine to invert with crawl speed, duration T 3.
Further, the span of T1 is 3～10s.
Further, the acquisition methods of T2 include：
According to formulaIt is calculated T2；
Wherein, L be throw steel after strip steel tail end apart from straightener distance；N is fixed value, 400～700mm of span.
Further, the span of T3 is 1～5s.
Specific work process has been described above, and does not repeat herein.
Referring to Fig. 2, the present invention will be illustrated by a specific control process below.
A kind of control method for preventing planisher working roll from scratching is comprised the following steps：
Step S1：Increase program simultaneously changes adjusting parameter, increases pretension control, delay time after modification pretension foundation
T1, this example T1 are 4s；Increase and magnetic tape trailer plate form control after steel is thrown, planisher and coiling machine downtime T2 after steel is thrown in modification, this
Example T2 is 11s；Increase Minimal Tension after throwing steel to let out except control, modification remove after coiling machine crawl reversing time T3, this example T3
For 3s.
Step S2：Machine is set up and is opened, the pretension of first foundation setting tension force 40%, and time delay 4s after the completion of pretension foundation continues
Vertical tension force is continued to setting value.
Step S3：Rolled band steel starts, and program judges whether to throw steel, continues rolling if not, if then planisher and batching
Machine time delay 11s stops, and after parking, straightener pinch roll depresses to limit position automatically.
Step S4：Program judges whether straightener pinch roll depresses to limit inferior position, continues pressure if not, if coiling machine
3s is inverted with crawl speed, planisher working roll is lifted then.
Step S5：Manual coil, terminates.
By the enforcement of previous step, it is to avoid machine sets up the working roll for causing due to hightension one step during setting up
Skidding and support roller roll surface between；The shape that under change magnetic tape trailer, buckle-shaped shape guarantee magnetic tape trailer will not be detained below is through planisher；
Letting out guarantees strip steel drive work during roll gap is lifted except the Minimal Tension being present between coiling machine and planisher
The phenomenon that roller is frustrated with support roller.Make working roll scratch phenomenon to be eliminated, so as to extend working roll military service cycle raising
Strip surface quality.
The one or more technical schemes for providing in the embodiment of the present application, at least have the following technical effect that or advantage：
The control method for preventing the scuffing of planisher working roll for providing in the embodiment of the present application and device, by building stage by stage
, and execute time delay rhythm, it is to avoid machine sets up the working roll for causing and support roller due to one step of hightension during setting up
Skidding between roll surface, scratches so as to avoid the work roll surface for being caused by skidding；Time delay by planisher and coiling machine
Stop and pinch roll pressing operation, when so that planisher is stopped, tail part of band steel is at straightener inlet pinch roll, it is ensured that strip steel
Afterbody is in upwarp type when by planisher, it is to avoid because detaining under afterbody, working roll roll surface is caused to scratch；Inverted by coiling machine
Operation, will be present in the Minimal Tension between planisher and coiling machine and lets out removing, during preventing working roll from lifting, strip steel drive work
Roller is frustrated with support roller, makes the scuffing of working roll roll surface.
It should be noted last that, above specific embodiment only in order to technical scheme to be described and unrestricted,
Although being described in detail to the present invention with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention, which all should be covered
In the middle of scope of the presently claimed invention.
Claims (8)
1. a kind of prevent planisher working roll scratch control method, it is characterised in that include：
Pretension rate-determining steps, when machine is set up, first set up pretension according to set tension force 40%, afterwards time delay T1 followed by
Continue and found setting tension force；
Magnetic tape trailer plate form control step after steel is thrown, when throwing steel operation is executed, is stopped after planisher and coiling machine time delay T2, straightener
Pinch roll is depressed；
Remaining tension force is let out except step, after straightener pinch roll depresses to limit position, executes and removes an operation；And the coiling machine with
Crawl speed is inverted, duration T 3.
2. the control method for preventing planisher working roll from scratching as claimed in claim 1, it is characterised in that：The span of T1
It is 3～10s.
3. the control method for preventing planisher working roll from scratching as claimed in claim 1, it is characterised in that the acquisition methods of T2
Including：
According to formulaIt is calculated T2；
Wherein, L be throw steel after strip steel tail end apart from straightener distance；N is fixed value, 400～700mm of span；V is machine
Group crawl speed.
4. the control method for preventing planisher working roll from scratching as claimed in claim 1, it is characterised in that：The span of T3
It is 1～5s.
5. a kind of planisher working roll scratches control device, it is characterised in that include：
Pretension control module, when machine is set up, first sets up pretension according to set tension force 40%, afterwards time delay T1 followed by
Continue and found setting tension force；
Steel control module is thrown, when throwing steel operation is executed, is stopped after planisher and coiling machine time delay T2, straightener pinch roll is depressed；
Remaining tension force is let out except module, after straightener pinch roll depresses to limit position, executes and removes an operation；And the coiling machine with
Crawl speed is inverted, duration T 3.
6. planisher working roll as claimed in claim 5 scratches control device, it is characterised in that：The span of T1 is 3～
10s.
7. planisher working roll as claimed in claim 5 scratches control device, it is characterised in that the acquisition methods of T2 include：
According to formulaIt is calculated T2；
Wherein, L be throw steel after strip steel tail end apart from straightener distance；N is fixed value, 400～700mm of span；V is machine
Group crawl speed.
8. planisher working roll as claimed in claim 5 scratches control device, it is characterised in that：The span of T3 is 1～
5s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034452.7A CN106424157B (en) | 2016-11-18 | 2016-11-18 | Control method and device for preventing leveling machine working roll from being scratched |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034452.7A CN106424157B (en) | 2016-11-18 | 2016-11-18 | Control method and device for preventing leveling machine working roll from being scratched |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424157A true CN106424157A (en) | 2017-02-22 |
| CN106424157B CN106424157B (en) | 2018-09-18 |
Family
ID=58221412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611034452.7A Active CN106424157B (en) | 2016-11-18 | 2016-11-18 | Control method and device for preventing leveling machine working roll from being scratched |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424157B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825062A (en) * | 2017-04-25 | 2017-06-13 | 山东钢铁集团日照有限公司 | It is a kind of to prevent hot-continuous-rolling strip steel from batching the method for drawing steel |
| CN107030137A (en) * | 2017-04-25 | 2017-08-11 | 山东钢铁集团日照有限公司 | It is a kind of to keep planisher to throw the constant method of coiling tension after steel |
| CN109248926A (en) * | 2018-10-29 | 2019-01-22 | 山东钢铁集团日照有限公司 | A kind of planisher no-station pole canopy belt steel flating control method |
| CN109702019A (en) * | 2018-12-21 | 2019-05-03 | 首钢京唐钢铁联合有限责任公司 | Method for preventing cold rolling and uncoiling difficulty of high-strength steel |
| CN111922093A (en) * | 2020-08-10 | 2020-11-13 | 山西太钢不锈钢股份有限公司 | Method for controlling scratch of ultra-pure stainless steel at finishing mill inlet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02179320A (en) * | 1988-12-28 | 1990-07-12 | Yaskawa Electric Mfg Co Ltd | Control system for tension leveler |
| US6857301B1 (en) * | 2002-10-16 | 2005-02-22 | Machine Concepts, Inc. | Displacement-type shape sensor for multi-roll leveler |
| CN101462129A (en) * | 2008-12-30 | 2009-06-24 | 中冶南方工程技术有限公司 | Method for decreasing band steel residual stress on hot rolling leveling machine unit |
| CN101670372A (en) * | 2009-09-25 | 2010-03-17 | 首钢总公司 | Method for eliminating defect of strip shape of hot-rolled high-strength steel |
| CN102179424A (en) * | 2011-03-03 | 2011-09-14 | 山西太钢不锈钢股份有限公司 | Flattening production process of stainless steel |
| CN104353675A (en) * | 2014-10-17 | 2015-02-18 | 首钢总公司 | Control method for headed plate shape rolling parameters of leveling machine and leveling machine |
-
2016
- 2016-11-18 CN CN201611034452.7A patent/CN106424157B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02179320A (en) * | 1988-12-28 | 1990-07-12 | Yaskawa Electric Mfg Co Ltd | Control system for tension leveler |
| US6857301B1 (en) * | 2002-10-16 | 2005-02-22 | Machine Concepts, Inc. | Displacement-type shape sensor for multi-roll leveler |
| CN101462129A (en) * | 2008-12-30 | 2009-06-24 | 中冶南方工程技术有限公司 | Method for decreasing band steel residual stress on hot rolling leveling machine unit |
| CN101670372A (en) * | 2009-09-25 | 2010-03-17 | 首钢总公司 | Method for eliminating defect of strip shape of hot-rolled high-strength steel |
| CN102179424A (en) * | 2011-03-03 | 2011-09-14 | 山西太钢不锈钢股份有限公司 | Flattening production process of stainless steel |
| CN104353675A (en) * | 2014-10-17 | 2015-02-18 | 首钢总公司 | Control method for headed plate shape rolling parameters of leveling machine and leveling machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825062A (en) * | 2017-04-25 | 2017-06-13 | 山东钢铁集团日照有限公司 | It is a kind of to prevent hot-continuous-rolling strip steel from batching the method for drawing steel |
| CN107030137A (en) * | 2017-04-25 | 2017-08-11 | 山东钢铁集团日照有限公司 | It is a kind of to keep planisher to throw the constant method of coiling tension after steel |
| CN109248926A (en) * | 2018-10-29 | 2019-01-22 | 山东钢铁集团日照有限公司 | A kind of planisher no-station pole canopy belt steel flating control method |
| CN109702019A (en) * | 2018-12-21 | 2019-05-03 | 首钢京唐钢铁联合有限责任公司 | Method for preventing cold rolling and uncoiling difficulty of high-strength steel |
| CN111922093A (en) * | 2020-08-10 | 2020-11-13 | 山西太钢不锈钢股份有限公司 | Method for controlling scratch of ultra-pure stainless steel at finishing mill inlet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424157B (en) | 2018-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106424157A (en) | Control method and device for preventing leveling machine working roll from being scratched | |
| CN103785694B (en) | The method of car broken belt is opened in prevention | |
| CN102806250B (en) | Method for flatting stainless steel strips | |
| CN110918654B (en) | Threading control method and device | |
| CN110064659B (en) | Coil receiving control method for coil unloading trolley of hot rolling coiler | |
| CN104759488B (en) | Method for realizing sectional control during steel passing process of hot-rolled strip steel coiling side guide plate | |
| CN110586658B (en) | Control method for shortening rolling pass interval time of reversible roughing mill | |
| CN107597880A (en) | Control method for side guide plate of coiling machine for reducing abrasion of wear-resisting plate | |
| CN103170507B (en) | Method for preventing surface of strip steel from being scratched when strip steel passes through finishing mill | |
| CN105013860B (en) | Control method for stable coiling of head of hot-rolled high-strength steel | |
| CN106807761A (en) | A kind of new plate rolling side guide control method of hot-strip | |
| CN101439468A (en) | Machine unit process for stretch bending, straightening and rewinding | |
| CN110614273B (en) | Method for rolling checkered plate by thin slab | |
| CN1275713C (en) | Device for winding and unwinding hot-rolled pre-strips consisting of hot metal | |
| CN104267753B (en) | Pressure control method for side guide plate of coiling machine | |
| CN108246833A (en) | A kind of strip withdrawal straightening machine | |
| CN109351783A (en) | Method for flatly rolling guide rail steel with ultralow roughness | |
| CN103949494A (en) | Control method for eliminating finishing surface contusion of hot-rolled strip steel | |
| CN105080967A (en) | Secondary rolling method of broken belt roll of single-rack reversible cold rolling mill | |
| CN109940048B (en) | Tension control method for leveling and uncoiling unit | |
| CN111300073A (en) | Continuous flattening unit for improving shape of hot-rolled coil | |
| CN104801589B (en) | A kind of protective film stripping means | |
| CN102430578A (en) | Cold-rolled strip steel flattening device and cold-rolled strip steel cross break eliminating method | |
| CN104492816B (en) | A kind of method of broken belt threading | |
| RU2566132C2 (en) | Method and metal strip rolling mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |