CN107900099B - A kind of milling method of stainless steel wide cut bright plate - Google Patents
A kind of milling method of stainless steel wide cut bright plate Download PDFInfo
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- CN107900099B CN107900099B CN201711054643.4A CN201711054643A CN107900099B CN 107900099 B CN107900099 B CN 107900099B CN 201711054643 A CN201711054643 A CN 201711054643A CN 107900099 B CN107900099 B CN 107900099B
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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
- B21B1/22—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
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/46—Roll speed or drive motor control
-
- 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
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- 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
Abstract
The invention discloses a kind of milling methods of stainless steel wide cut bright plate comprising following steps: (1) " inspection ": the preceding all kinds of rollers contacted to strip channel with steel plate of rolling and threading platform carry out an inspection, polishing and cleaning；(2) " oil ": selection rolling oil stream amount 3000-6000L/min, 30-60 DEG C of oil temperature；(3) " use roller ": gradually the work roll changing method of transition and oil-scraping roller use felt roll method to roughness when rolling；(4) it " unloads leader tape ": when being rolled down to a thickness of 0.25-1.5mm, section will not rolled end to end in advance and laid down；(5) " speed limit " refers to that passage and final pass limit mill speed before finished product.This method eliminates foreign matter indentation, the surface defects such as scuffing, short scratch, lateral roll marks, oil-scraping roller color difference, oil-scraping roller roll marks are wiped, wide cut bright plate is obviously improved and rolls rear surface quality.
Description
Technical field
The present invention relates to a kind of milling methods of stainless steel wide cut bright plate, especially width >=1500mm stainless steel light
Bright plate rolling, specially a kind of method for promoting wide cut stainless steel bright plate rolled surface quality, it is cold to belong to stainless steel bright plate
Roll technical field.
Background technique
Stainless steel wide cut bright plate is Taiyuan Iron and Steel Co. focus development distinguishing products, is mainly used in high-end decoration industry, adds benefit
Profit is high, and the market demand increases year by year, but client is high to the surface requirements of the product, to the quality control level of manufacturing enterprise
It brings challenges.Wide cut bright plate is rolled using Sendzimir mill, using multi-pass reversible rolling, granule surface contral difficulty
Greatly, easily there is color difference, scratch, laterally creases, all kinds of defects such as roll marks in surface in production process, and quality control on the surface is in shakiness
Determine state of a control, is difficult to effectively be promoted always.
Summary of the invention
The present invention is intended to provide a kind of milling method of stainless steel wide cut bright plate, has live practical application value, energy
Quickly, wide cut bright plate rolled surface quality control level is effectively promoted.
Field assay discovery, three conditions need to be had by rolling out the higher wide cut bright plate of surface quality: first, it is good
Appointed condition；Second, optimal rolling mill practice；Third, the higher refinement of personnel are horizontal.
According to the above quality control on the surface thinking, proposing wide cut bright plate reversible rolling, " two oil three of inspection are unloaded with roller four
The surface quality method for improving of five speed limit of leader tape ", this method cover equipment, technique, personnel operate three aspect, systematicness with
It is practical, the specific steps are as follows:
The first step, " inspection " refer to all kinds of rollers (oil-scraping roller, plate shape roller, the work contacted to strip channel with steel plate before rolling
Make roller) and threading platform point inspection, polishing and cleaning.
Rolling bright plate must carry out an inspection to oil-scraping roller, template roller, guide roller, working roll, oil-blooming guide-board etc.；
Template roller, guide roller roll surface must not have bump, wipe scuffing.It was found that polish immediately, it is circumferentially square using oilstone
Yearn for strike-on mill, forbid to prolong radial polishing, is wiped after polishing with clean rag；
Oil-scraping roller roll surface must not have iron filings, and discovery will be cleared up immediately, be replaced immediately when more.Meanwhile oil-scraping roller rotation spirit
Living, standard is to push oil-scraping roller that can stop naturally；
Guide roller there cannot be into the fouls such as iron filings, greasy filth to the platform wiped clean between oil-scraping roller using clean rag；
Using black cat washer to key area (the oil-scraping roller roller support frame, pinch roller branch of mill housing entrance, outlet
Support) it is rinsed, guarantee foreign, shredded paper, iron filings.
Second step, " oil " refer to selection rolling oil stream amount 3000-6000L/min and 30-60 DEG C of oil temperature.
Rear surface of steel plate exquisiteness degree and finish are rolled in flow and the oil temperature influence of ROLLING OIL, and experiment shows oil temperature in 30-
60 DEG C, it is preferable that flow 3000-6000L/min rolls rear surface of steel plate.
Third step, " using roller ", gradually the work roll changing method of transition and oil-scraping roller use felt to roughness when referring to rolling
Roller method.
First passage replaces 0.1 ~ 0.35 μm of refiner roll using 0.2 ~ 0.5 μm new of corase grinding roller, pony-roughing pass；Ni steel
Passage and final pass use 0.01 ~ 0.1 μm of polishing roll before bright board finished product；Cr steel bright plate, passage uses before finished product
0.01 ~ 0.2 μm of refiner roll, final pass use 0.01 ~ 0.1 μm of polishing roll.
The bright roller method used for rolling board of 1 wide cut of table
Note: pony-roughing pass refers to the passage before the first passage and finished product between passage；
Two roller oil-scraping rollers replace copper roller, felt roll 0.01 ~ 0.05bar/mm of pressure, passage and finished product road before finished product using felt roll
Secondary does not have to four-roller with two roller oil-scraping rollers, other two rollers of passage, four-roller all use.
4th step, " unloading leader tape " when being rolled down to a thickness of 0.25-1.5mm, will not roll section end to end in advance and lay down；
The operation of rolling be thickness be thinned, the process of extension, when rolling is existing end to end not to roll section and changeover portion, bright
Total deformation is larger, raw material and rolls the thickness difference of rear steel plate more generally 70% or more, when finished product thickness bigger coil of strip rolling
Greatly, section excision will not rolled when therefore being rolled down to lower thickness end to end, batched using sleeve and rolled again, reduced in coiling process
Thickness transitions it is poor.
5th step, " speed limit " refer to that passage and final pass limit mill speed before finished product.Passage speed limit before finished product
100 ~ 500m/min, 50 ~ 300m/min of final pass speed limit.
Beneficial effects of the present invention:
(1) by all kinds of rollers (oil-scraping roller, plate shape roller, working roll) that are contacted to strip channel with steel plate before rolling and
Point inspection, polishing and the cleaning of threading platform, guarantee that rolling equipment has good operating condition, and foreign matter indentation is greatly reduced, wipes
It scratches, the generation of load mould three classes surface defect, three classes ratio of defects reduces by 80% or so；
(2) ROLLING OIL technological parameter and work roll changing method, which ensure that, rolls rear steel plate glossiness；
(3) oil-scraping roller eliminates oil-scraping roller four-roller color difference using the cooperation of felt roll method and mill speed method for limiting speed
Print, two roller roll marks of oil-scraping roller, two class defects of short scratch, three classes ratio of defects reduce by 80%；
(4) unload leader tape method can eliminate laterally crease, two class surface defects of short scratch, the reduction of lateral pincher rate
90%, short scratch defect rate reduces by 70%.
After the method for the present invention, foreign matter indentation is eliminated, scuffing is wiped, short scratch, lateral roll marks, oil-scraping roller color difference, scrapes
The surface defects such as oiling roller roll marks, surface defect rate reduce by 80% or so, greatly improve the surface quality of wide cut bright plate.
Specific embodiment
The present invention is further illustrated below by embodiment, but is not limited to following embodiment.
Embodiment 1:
The 430 steel grade bright plates (Cr system steel grade) of wide cut mill milling a roll 0.3 × 1545mm specification, 2.3mm rolling
0.3mm, 11 passage of rolling pass.Specific steps are as follows:
The first step, " inspection " refer to all kinds of rollers (oil-scraping roller, plate shape roller, the work contacted to strip channel with steel plate before rolling
Make roller) and threading platform point inspection, polishing and cleaning.
Rolling bright plate must carry out an inspection to oil-scraping roller, template roller, guide roller, working roll, oil-blooming guide-board etc.；
Template roller, guide roller roll surface must not have bump, wipe scuffing.It was found that polish immediately, it is circumferentially square using oilstone
Yearn for strike-on mill, forbid to prolong radial polishing, is wiped after polishing with clean rag；
Oil-scraping roller roll surface must not have iron filings, and discovery will be cleared up immediately, be replaced immediately when more.Meanwhile oil-scraping roller rotation spirit
Living, standard is to push oil-scraping roller that can stop naturally；
Guide roller there cannot be into the fouls such as iron filings, greasy filth to the platform wiped clean between oil-scraping roller using clean rag；
Using black cat washer to key area (the oil-scraping roller roller support frame, pinch roller branch of mill housing entrance, outlet
Support) it is rinsed, guarantee foreign, shredded paper, iron filings.
Second step, " oil ", selection rolling oil stream amount 5500L/min, 39 DEG C of oil temperature.
Rear surface of steel plate exquisiteness degree and finish are rolled in flow and the oil temperature influence of ROLLING OIL, and experiment shows oil temperature in 30-
60 DEG C, it is preferable that flow 3000-6000L/min rolls rear surface of steel plate.
Third step, " using roller ", gradually the work roll changing method of transition and oil-scraping roller use felt to roughness when referring to rolling
Roller method.
Two roller of oil-scraping roller uses felt roll, and felt roll pressure is 0.02bar/mm, and the 1st passage to two roller of the 9th passage, four-roller are whole
It uses, the 10th passage and the 11st passage only use two rollers without using four-roller.
1st passage replaces 0.35 μm of refiner roll using 0.5 μm new of corase grinding roller, the 3rd passage, before rolling the 9th passage
Section will not be rolled and changeover portion is cut off, and the refiner roll of 0.15 μm of replacement, the 10th passage replaces 0.01 μm of polishing roll.
4th step, " unloading leader tape ", section will not rolled end to end in advance by referring to when being rolled down to lower thickness lays down.
The operation of rolling is that thickness is thinned, the process of extension, existing end to end when rolling not roll section and changeover portion, bright
Total deformation is larger, raw material and rolls the thickness difference of rear steel plate more generally 70% or more, when finished product thickness bigger coil of strip rolling
Greatly, section excision will not rolled when therefore being rolled down to lower thickness end to end, the present embodiment will not roll section and changeover portion before rolling the 9th passage
Excision, is batched using sleeve and is rolled again, and the thickness transitions reduced in coiling process are poor.
5th step, " speed limit ", passage and final pass limit mill speed before finished product.10th passes speed
500m/min, the 11st passes speed 260m/min.
Bright degreasing annealing is carried out after rolling, annealing rear surface is visually inspected, surface of steel plate do not find foreign matter indentation,
It wipes surface defects, the surface quality such as scuffing, short scratch, lateral roll marks, oil-scraping roller color difference, oil-scraping roller roll marks and has reached expected effect
Fruit.
Claims (3)
1. a kind of milling method of stainless steel wide cut bright plate, it is characterised in that: the following steps are included:
(1) " inspection ": all kinds of rollers and threading platform contact with steel plate before rolling to strip channel carry out an inspection, polishing and clearly
Reason；All kinds of rollers include oil-scraping roller, plate shape roller, working roll；
(2) " oil ": determine that rolling oil stream amount is 3000-6000L/min, oil temperature is 30-60 DEG C；
(3) " use roller ": gradually the work roll changing method of transition and oil-scraping roller use felt roll method to roughness when rolling；
First passage replaces 0.1 ~ 0.35 μm of refiner roll using 0.2 ~ 0.5 μm new of corase grinding roller, pony-roughing pass；
Two roller of oil-scraping roller replaces copper roller using felt roll, and felt roll pressure is 0.01 ~ 0.05bar/mm, passage and final pass before finished product
Only four-roller is not had to two rollers, other two rollers of passage, four-roller all use；
(4) it " unloads leader tape ": when being rolled down to a thickness of 0.25-1.5mm, section will not rolled end to end in advance and laid down；
(5) " speed limit ", passage and final pass limit mill speed before finished product；Passes speed control exists before finished product
100 ~ 500m/min, final pass mill speed are controlled in 50 ~ 300m/min.
2. the milling method of stainless steel wide cut bright plate according to claim 1, it is characterised in that: rolling Ni steel bright plate
When, passage and final pass use 0.01 ~ 0.1 μm of polishing roll before finished product.
3. the milling method of stainless steel wide cut bright plate according to claim 1, it is characterised in that: rolling Cr steel bright plate
When, passage uses 0.01 ~ 0.2 μm of roller before finished product, and final pass uses 0.01 ~ 0.1 μm of polishing roll.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711054643.4A CN107900099B (en) | 2017-11-01 | 2017-11-01 | A kind of milling method of stainless steel wide cut bright plate |
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| CN201711054643.4A CN107900099B (en) | 2017-11-01 | 2017-11-01 | A kind of milling method of stainless steel wide cut bright plate |
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| CN107900099A CN107900099A (en) | 2018-04-13 |
| CN107900099B true CN107900099B (en) | 2019-11-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332394B (en) * | 2018-09-30 | 2019-11-08 | 山西太钢不锈钢股份有限公司 | Eliminate the method that stainless steel wide cut cold plate rolls local heat slid wound defect |
| CN111515257B (en) * | 2020-04-29 | 2022-02-22 | 山西太钢不锈钢股份有限公司 | Method for controlling rolling stripe color difference defect of stainless steel wide bright plate |
| CN112474817A (en) * | 2020-11-16 | 2021-03-12 | 山西太钢不锈钢股份有限公司 | Method for controlling surface short wiping white mark defects of 430-series thick cold plate |
| CN112934961A (en) * | 2021-02-24 | 2021-06-11 | 山西太钢不锈钢精密带钢有限公司 | Method for avoiding roller sticking defect on surface of precision strip steel raw material and application thereof |
| CN114850212B (en) * | 2022-04-27 | 2024-04-12 | 首钢智新迁安电磁材料有限公司 | Method for eliminating roll mark defect on surface of strip steel in cold rolling process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201208602Y (en) * | 2008-06-18 | 2009-03-18 | 山西太钢不锈钢股份有限公司 | Oil stripper |
| CN201950064U (en) * | 2010-11-22 | 2011-08-31 | 南方铝业(中国)有限公司 | Degreasing device for lower support roll of rolling mill |
| CN103350110A (en) * | 2013-03-26 | 2013-10-16 | 江苏甬金金属科技有限公司 | Method for manufacturing austenitic stainless steel band with smooth and bright surface |
| CN103831627A (en) * | 2014-03-05 | 2014-06-04 | 山西太钢不锈钢股份有限公司 | Method for lowering surface roughness of cold-rolled nickel stainless steel bright plate |
| CN205496119U (en) * | 2016-03-10 | 2016-08-24 | 新疆八一钢铁股份有限公司 | Reduce wiper rolls of belted steel face residual oil volume |
| CN106807751A (en) * | 2016-12-27 | 2017-06-09 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of cold-rolling process for decorating 304 stainless steel 2B base-materials of panel |
| CN107042236A (en) * | 2017-06-02 | 2017-08-15 | 江苏甬金金属科技有限公司 | The preparation method of very thin austenic stainless steel belt with glossy surface |
| CN107058707A (en) * | 2017-04-11 | 2017-08-18 | 无锡华生精密材料股份有限公司 | A kind of production method of bright titaniferous stainless steel band |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699020A (en) * | 2012-05-14 | 2012-10-03 | 山西太钢不锈钢股份有限公司 | Production method of precise stainless steel belt for high-strength spring |
| CN102699025B (en) * | 2012-05-14 | 2014-12-03 | 山西太钢不锈钢股份有限公司 | Method for rolling precise stainless-steel ultrathin steel belt |
| CN102717233B (en) * | 2012-06-04 | 2014-09-10 | 山西太钢不锈钢股份有限公司 | Method for manufacturing 304 precision stainless steel band of precision needle head |
-
2017
- 2017-11-01 CN CN201711054643.4A patent/CN107900099B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201208602Y (en) * | 2008-06-18 | 2009-03-18 | 山西太钢不锈钢股份有限公司 | Oil stripper |
| CN201950064U (en) * | 2010-11-22 | 2011-08-31 | 南方铝业(中国)有限公司 | Degreasing device for lower support roll of rolling mill |
| CN103350110A (en) * | 2013-03-26 | 2013-10-16 | 江苏甬金金属科技有限公司 | Method for manufacturing austenitic stainless steel band with smooth and bright surface |
| CN103831627A (en) * | 2014-03-05 | 2014-06-04 | 山西太钢不锈钢股份有限公司 | Method for lowering surface roughness of cold-rolled nickel stainless steel bright plate |
| CN205496119U (en) * | 2016-03-10 | 2016-08-24 | 新疆八一钢铁股份有限公司 | Reduce wiper rolls of belted steel face residual oil volume |
| CN106807751A (en) * | 2016-12-27 | 2017-06-09 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of cold-rolling process for decorating 304 stainless steel 2B base-materials of panel |
| CN107058707A (en) * | 2017-04-11 | 2017-08-18 | 无锡华生精密材料股份有限公司 | A kind of production method of bright titaniferous stainless steel band |
| CN107042236A (en) * | 2017-06-02 | 2017-08-15 | 江苏甬金金属科技有限公司 | The preparation method of very thin austenic stainless steel belt with glossy surface |
Non-Patent Citations (1)
| Title |
|---|
| SUS304不锈钢表面光泽度的影响因素分析及控制;张波等;《宝钢技术》;20140630(第3期);第69-73页 * |
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