CN102671958A - Method for controlling tail of band steel by using pinch roller - Google Patents
Method for controlling tail of band steel by using pinch roller Download PDFInfo
- Publication number
- CN102671958A CN102671958A CN2012101361224A CN201210136122A CN102671958A CN 102671958 A CN102671958 A CN 102671958A CN 2012101361224 A CN2012101361224 A CN 2012101361224A CN 201210136122 A CN201210136122 A CN 201210136122A CN 102671958 A CN102671958 A CN 102671958A
- Authority
- CN
- China
- Prior art keywords
- band steel
- steel
- pinch roll
- pressure
- pressure control
- 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.)
- Pending
Links
Landscapes
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention relates to a method for controlling the tail of band steel by using a pinch roller. The method comprises early stage positioning, pressure control and later stage positioning; and during pressure control, the pressure between an upper roller and the band steel is controlled to range from 30 to 80 kilonewtons. According to the method, a fixed distance and fixed pressure are not kept singly, but position control by early stage positioning and pressure control are adopted to effectively solve the problem that the rolled band steel is large in fluctuation.
Description
Technical field
the present invention relates to a kind of method of utilizing pinch roll control band steel afterbody.
Background technology
are because the distance between finishing mill and the coiling machine is shorter relatively; So; In the place ahead of coiling machine a jockey pulley and flipper guide only are installed, the major function of jockey pulley and flipper guide is to make the band steel align coiling machine, with prevent to be with steel because of sideslip forms irregular coil of strip.Though this kind pinch roll and flipper guide can solve coil of strip out-of-shape problem; But for the band steel of rolling thin (thickness is below 1.8mm); Because strip steel afterbody (band steel afterbody is meant position, 60 meters left and right sides) is not when the disengaging finishing mill also gets into jockey pulley; The afterbody of strip steel will arbitrarily be swung and upwarp, and makes it directly arrive the position at jockey pulley and flipper guide place if do not take the measure of stabilized zone steel afterbody, and jockey pulley and flipper guide must possess certain pressure and come the holddown belt steel; Cause between band steel and the flipper guide and can produce bigger force of sliding friction; Thereby cause wear liner on the flipper guide, and liner plate by heavy wear after formed groove can make strip running deviation, thereby cause the coil of strip that batches on the coiling machine irregular.For rolling thin band steel, because of relatively poor, if flipper guide is less with the pressure of band steel sum than strip steel holding capacity; Be difficult for making the band steel to align coiling machine; If flipper guide is bigger with the pressure of band steel sum, can directly causes the damage of strip edge portion, thereby have influence on band coil of strip shape; And produce mass defects such as crimping and edge damage, cause lumber recovery to reduce.
are when rolled band steel, because mill speed is quite fast, and the speed of rising and falling of pinch roll is relatively slow, so the pinch roll on the existing milling train all adopts fixed pressure clamping band steel.Under this occasion; Even if between finishing mill and coiling machine, increase a pinch roll again, though can solve strip running deviation and the problem that upwarps, because pinch roll is in the process of clamping band steel; The chucking power that is produced can hinder the mill speed of band steel; So, increase pinch roll and must strengthen the driving force of milling train, thereby can improve the steel rolling cost and increase energy-output ratio.
Summary of the invention
task of the present invention provides a kind of mode of adjustment pinch roll of utilizing and comes the stabilized zone steel to solve the method for utilizing pinch roll control band steel afterbody of problems such as band steel afterbody sideslip and cost height.
The method of utilizing pinch roll control band steel afterbody that
are proposed by the invention comprises that locate for early stage and pressure control, and later stage these three steps of location.Locate for early stage: when coiling machine has just been rolled the band steel, the top roll fixed-site of pinch roll is with steel upper surface 5.5-10mm place in distance; Pressure control: when the band steel is sheared before the position arrives finishing stand, the top roll of flying shear pinch roll is moved and be depressed into the upper surface at the band steel downwards, and top roll is controlled between thousand Ns of the 30-80 with being with pressure between steel; Later stage location: when band steel afterbody arrived coiling machine pinch roll the place ahead 0.8m-1.2m, top roll lifted and apart from belt steel surface 180-220mm place again.Pinch roll wherein is installed between last finishing mill and the coiling machine jockey pulley.Said early stage, the location can make pinch roll in the shortest time, grasp the band steel, and can not increase the driving force of milling train and coiling machine.
In
said pressure control step, when arriving first three finishing stand position, implements said band steel afterbody pressure control.
Locate and pressure control the early stage of in the method for utilizing pinch roll control band steel afterbody that
are proposed by the invention the pinch roll that increases being carried out; Rather than simple maintenance set a distance and level pressure power; The Position Control that adopts the location in early stage and pressure are controlled this control mode can solve the band steel fluctuation that is rolled big the time effectively, thereby causes the problem of the outer tower defective of coil of strip appearance; In addition, just implement pressure control when promptly this kind pinch roll is just apart from 60 meters left and right sides of band steel tail end, can alleviate the jockey pulley and the pressure of flipper guide before the coiling machine, can guarantee the quality of strip steel and reduce cost.
The specific embodiment:
when milling train under normal as-rolled condition; When the band steel entering coiling machine that is rolled will just be rolled, let coiling machine send the coil signal, then the top roll fixed-site of pinch roll is with steel upper surface 5.5-10mm place in distance; And keep this position, to realize the location in early stage; When being sheared the position and arriving of the caudal end that detects the band steel from several the 3rd finishing stand of milling train afterbody; The top roll of pinch roll is moved and is depressed into the upper surface at the band steel downwards; And top roll and the pressure of band between steel be controlled at 30,000 Ns with upward pressure, and the value of keep-uping pressure is to push down the band steel.Its pressure can be according to this pressure of different-thickness band steel specification adjustment; Generally be no more than 80,000 Ns; Be about to Position Control and convert pressure control into; When band steel afterbody arrived coiling machine pinch roll the place ahead 0.8m-1.2m, top roll lifted and apart from belt steel surface 180-220mm place, waits for next piece steel so that the pinch roll realization later stage locatees again.
Claims (2)
1. utilize the method for pinch roll control band steel afterbody, it is characterized in that comprising that locate for early stage and pressure control, and later stage these three steps of location:
Locate for early stage: when coiling machine has just been rolled the band steel, the top roll fixed-site of pinch roll is with steel upper surface 5.5-10mm place in distance;
Pressure control: when the band steel is sheared before the position arrives finishing stand, the top roll of pinch roll is moved and be depressed into the upper surface at the band steel downwards, and top roll is controlled between thousand Ns of the 30-80 with being with pressure between steel;
Later stage location: when band steel afterbody arrived coiling machine pinch roll the place ahead 0.8m-1.2m, top roll lifted and apart from belt steel surface 180-220mm place again.
2. method according to claim 1 is characterized in that: in the said pressure control step, implement pressure control when said band steel afterbody arrives first three finishing stand position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101361224A CN102671958A (en) | 2012-05-04 | 2012-05-04 | Method for controlling tail of band steel by using pinch roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101361224A CN102671958A (en) | 2012-05-04 | 2012-05-04 | Method for controlling tail of band steel by using pinch roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102671958A true CN102671958A (en) | 2012-09-19 |
Family
ID=46804884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101361224A Pending CN102671958A (en) | 2012-05-04 | 2012-05-04 | Method for controlling tail of band steel by using pinch roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102671958A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921739A (en) * | 2012-11-12 | 2013-02-13 | 济钢集团有限公司 | Hot rolled strip steel coiling optimization method |
| CN108372205A (en) * | 2018-02-27 | 2018-08-07 | 山东钢铁股份有限公司 | A kind of hot-strip reels pinch roller crosses Discrete control method during steel |
| CN108941211A (en) * | 2018-08-21 | 2018-12-07 | 首钢京唐钢铁联合有限责任公司 | Hot-rolled leveling unit and the method for handling strip |
| CN109079378A (en) * | 2018-10-09 | 2018-12-25 | 北京首钢冷轧薄板有限公司 | A kind of control system for preventing tail part of band steel from getting rid of welding machine outlet |
| CN110216148A (en) * | 2019-06-11 | 2019-09-10 | 张家港宏昌钢板有限公司 | A kind of control method of hot rolling reeling defect of coil shape |
| CN112742867A (en) * | 2021-01-30 | 2021-05-04 | 宝钢湛江钢铁有限公司 | Method for normal rolling after SSP pinch roll slipping |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2645349B2 (en) * | 1986-11-28 | 1997-08-25 | 三菱電機株式会社 | Pitch control device |
| CN1733583A (en) * | 2005-07-01 | 2006-02-15 | 西安重型机械研究所 | Method for controlling novel open-head pinch roll and apparatus thereof |
-
2012
- 2012-05-04 CN CN2012101361224A patent/CN102671958A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2645349B2 (en) * | 1986-11-28 | 1997-08-25 | 三菱電機株式会社 | Pitch control device |
| CN1733583A (en) * | 2005-07-01 | 2006-02-15 | 西安重型机械研究所 | Method for controlling novel open-head pinch roll and apparatus thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张波: "热轧带钢卷取机夹送辊转矩控制技术", 《冶金自动化》, no. 01, 25 January 2011 (2011-01-25) * |
| 张蕾,冯贵斌: "卷取机的自动辊缝控制", 《冶金自动化》, no. 2, 16 September 2009 (2009-09-16) * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921739A (en) * | 2012-11-12 | 2013-02-13 | 济钢集团有限公司 | Hot rolled strip steel coiling optimization method |
| CN108372205A (en) * | 2018-02-27 | 2018-08-07 | 山东钢铁股份有限公司 | A kind of hot-strip reels pinch roller crosses Discrete control method during steel |
| CN108372205B (en) * | 2018-02-27 | 2019-12-03 | 山东钢铁股份有限公司 | A kind of hot-strip reels pinch roller crosses Discrete control method during steel |
| CN108941211A (en) * | 2018-08-21 | 2018-12-07 | 首钢京唐钢铁联合有限责任公司 | Hot-rolled leveling unit and the method for handling strip |
| CN109079378A (en) * | 2018-10-09 | 2018-12-25 | 北京首钢冷轧薄板有限公司 | A kind of control system for preventing tail part of band steel from getting rid of welding machine outlet |
| CN109079378B (en) * | 2018-10-09 | 2020-10-23 | 北京首钢冷轧薄板有限公司 | Control system for preventing strip steel tail from throwing over welding machine outlet |
| CN110216148A (en) * | 2019-06-11 | 2019-09-10 | 张家港宏昌钢板有限公司 | A kind of control method of hot rolling reeling defect of coil shape |
| CN112742867A (en) * | 2021-01-30 | 2021-05-04 | 宝钢湛江钢铁有限公司 | Method for normal rolling after SSP pinch roll slipping |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102671958A (en) | Method for controlling tail of band steel by using pinch roller | |
| CN102430612B (en) | Operation method for controlling tower shapes of inner and outer rings of steel coils | |
| CN105057365A (en) | Control method for preventing tail flicking in steel-strip precision rolling | |
| CN203944664U (en) | The belt pressing device of power reel | |
| CN102039330A (en) | Parameter setting method of hot continuous rolling thin slab coiling device and coiling method of hot continuous rolling thin slab | |
| CN101722195A (en) | Device and method for maintaining stable operation of strip steel for cold-rolled strip steel production unit | |
| CN109013709B (en) | A kind of Wrapping Roll Jump control method of hot rolling reeling Automatic Optimal timing | |
| CN103223420A (en) | Method for controlling inner ring indentations of hot-rolled steel coil, and system | |
| CN104550259A (en) | Loop pulling method of finishing mill and loop pulling and control device of finishing mill | |
| CN103372583A (en) | Control method of hot rolling coiling tension | |
| CN104043685B (en) | A kind of coiler pinch-roll stings steel moment control method and device thereof | |
| CN105080967B (en) | Secondary rolling method of broken belt roll of single-rack reversible cold rolling mill | |
| CN105983581B (en) | The multiple side pressure method of constant width machine | |
| US9079231B2 (en) | Flat metal alignment system and method | |
| CN103861895B (en) | Eliminate the method for steel roll tower shaped defect | |
| CN103170502B (en) | Hot rolling rough straightening machine strip steel centering control method | |
| CN102992003A (en) | On-line position detection method of steel coil | |
| CN102699135B (en) | The method of adjustment coiler pinch-roll flipper guide pressure | |
| CN103008448A (en) | Automatic spring coiling equipment of measuring tape | |
| CN108115002B (en) | The method for improving tail part of band steel scroll quality | |
| CN201644548U (en) | Device of cold-rolled steel strip production set for keeping stable movement of steel strips | |
| CN206083408U (en) | Belted steel hot rolling arrangement | |
| CN105817485B (en) | A kind of control method to hot rolling reeling scratch defect | |
| CN202621627U (en) | Centering system used in production of cold rolled steel | |
| CN106694566A (en) | Steel-sticking edging control method for edging 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 | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120919 |