CN103722011A - Novel stainless steel cold continuous rolling technology and unit thereof - Google Patents
Novel stainless steel cold continuous rolling technology and unit thereof Download PDFInfo
- Publication number
- CN103722011A CN103722011A CN201310752627.8A CN201310752627A CN103722011A CN 103722011 A CN103722011 A CN 103722011A CN 201310752627 A CN201310752627 A CN 201310752627A CN 103722011 A CN103722011 A CN 103722011A
- Authority
- CN
- China
- Prior art keywords
- unit
- stainless steel
- roller
- jockey pulley
- rolling unit
- 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
- 238000005096 rolling process Methods 0.000 title claims abstract description 65
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 22
- 239000010935 stainless steel Substances 0.000 title claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000005097 cold rolling Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000005260 corrosion Methods 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000002788 crimping Methods 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000003801 milling Methods 0.000 description 14
- 238000000137 annealing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Metal Rolling (AREA)
Abstract
A novel stainless steel cold continuous rolling technology unit comprises an uncoiling machine, a straightening machine, a hydraulic shear, a welding machine, a first tension roller, a continuous rolling unit, an outlet loop, a fourth tension roller, a slitting shear and a coiling machine. The uncoiling machine, the straightening machine, the hydraulic shear, the welding machine, the first tension roller, the continuous rolling unit, the outlet loop, the fourth tension roller, the slitting shear and the coiling machine are sequentially connected. The novel stainless steel cold continuous rolling technology unit is characterized in that an inlet loop and a second tension roller set are additionally arranged between the first tension roller and the continuous rolling unit, a cleaning and drying unit, a third tension roller set and the outlet loop are sequentially connected and additionally arranged between the continuous rolling unit and the fourth tension roller, the continuous rolling unit can be arranged in the mode that a plurality of rack four-roller continuous rolling units are connected in series, small-diameter rollers are adopted in the continuous rolling unit, and the continuous rolling unit is driven by supporting rollers in a centralized mode. By the adoption of the technical scheme, some small-scale enterprises can produce stainless steel cold rolling strips by using a common four-roller or six-roller rolling machine instead of twenty-roller and eighteen-roller rolling machines which are high in investment cost and maintenance cost, and therefore the production cost is greatly reduced.
Description
Technical field
The invention belongs to steel rolling equipment field.Can be used for the stainless steel annealing pickling band of the difficult distortion of rolling.
Background technology
Due to features such as stainless steel yield strength are high, and resistance of deformation is large, in rolling 2, be or when 3 are stainless steel, traditional production equipment mostly is 20 rollers and eighteen-high mill especially.Due to 20 rollers and eighteen-high mill cost of investment is large, maintenance cost is high, the enterprise that some scales are less is just used four rollers or six-high cluster mill to produce stainless-steel cold-rolling band, but normal four-roller or six-high cluster mill are because working roll roller footpath is larger, with respect to 20 rollers and eighteen-high mill, the reduction ratio of a rolling process is less, often need intermediate annealing, and then improve production cost.
Summary of the invention
In order to improve four rollers or the six-high cluster mill reduction ratio in a rolling process, reduce intermediate annealing link, develop a kind of new type stainless steel. corrosion resistance continuous cold rolling process and unit thereof.
The present invention adopts following scheme to realize: a kind of new type stainless steel. corrosion resistance continuous cold rolling process, comprises following operation: through uncoiler to band uncoiling.The aligning end to end coil of strip with straightener.Cut off defective band with hydraulic shear.What with welding machine, band is sheared welds end to end.Band through 1 ﹟ jockey pulley, entry loop, 2# jockey pulley group, after the rolling of tandem rolling unit, enter cleaning drying machine group dry.Band after oven dry through 3# jockey pulley group enter outlet looping, from outlet looping out by 4# jockey pulley, enter crimping machine through cutting to cut.When coil diameter reaches required when big or small, band is cut band cutting the place of cutting.Cut rear band and unload coiling machine by coil stripping car.
A kind of unit of realizing above-mentioned new type stainless steel. corrosion resistance continuous cold rolling process, comprise the following equipment being linked in sequence: uncoiler, straightener, hydraulic shear, welding machine, 1 ﹟ jockey pulley, tandem rolling unit, 4# jockey pulley, cut cut, crimping machine, be characterized in: the entry loop that addition sequence is connected between 1 ﹟ jockey pulley and tandem rolling unit and 2# jockey pulley group, between tandem rolling unit and 4# jockey pulley, add the cleaning, drying unit, 3# jockey pulley group, the outlet looping that are linked in sequence.
Tandem rolling unit can adopt the mode of multi-frame four roller tandem rolling units connected in series.In the present invention, tandem rolling unit adopts the mode of six frame four roller tandem rolling units connected in series.Tandem rolling unit also can adopt the mode of multi-frame six roller tandem rolling units connected in series.Tandem rolling unit adopts path roller.Tandem rolling unit adopts backing roll central driving.
The difference of the present invention and conventional stainless steel continuous cold rolling process unit is:
In order to improve the reduction ratio of milling train and to prevent that the outlet of backing roll transmission slip milling train from adopting hightension, so cleaning, drying unit and jockey pulley are set in milling train outlet.In order to reduce roll-force, improve drafts, the working roll of milling train adopts pony roll footpath, the bottleneck problem during for fear of pony roll footpath transmitting torque, milling train transmission adopts backing roll central driving.
By adopting above technical scheme, make some scales can not use 20 rollers and this equipment that class cost of investment is large, maintenance cost is high of eighteen-high mill compared with little enterprise, use normal four-roller or six-high cluster mill just can produce stainless-steel cold-rolling band, thereby significantly reduced production cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of new type stainless steel. corrosion resistance continuous cold rolling process of the present invention flow process.
In figure: 1, uncoiler, 2, straightener, 3, hydraulic shear, 4, welding machine, 5,1# jockey pulley, 6, entry loop, 7,2# jockey pulley group, 8, tandem rolling unit, 9, cleaning, drying unit, 10,3# jockey pulley group, 11, outlet looping, 12,4# jockey pulley, 13, cut and cut, 14, coiling machine.
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further: this unit has adopted the full technology mode of endless rolling continuously, unit entrance is provided with two uncoilings, be provided with welding machine can welding front and back two coiled strips simultaneously end to end, realize continuously and producing, tandem rolling unit is six frame four roller series connection forms.The entrance of tandem rolling unit, outlet are equipped with kink, to guarantee that milling train is not shut down when entrance welding and outlet are cut.Entrance and the outlet of tandem mill arrange jockey pulley, to improve the tension force of tandem mill entrance and outlet, also adopt hightension between frame simultaneously, improve the percentage pass reduction of milling train by hightension.For fear of milling train outlet strip surface emulsion residue, cause milling train outlet jockey pulley to skid, in milling train outlet, establish cleaning, drying unit.The type of milling train adopts four-high mill, and in order to improve milling train percentage pass reduction, working roll adopts pony roll footpath, and in order to avoid the bottleneck of little working roll when the transmitting large torque, the milling train kind of drive adopts backing roll central driving simultaneously.
Fig. 1 is schematic diagram of the present invention.Hot rolling raw material coil of strip carries out uncoiling by uncoiler 1, band at straightener 2, carry out, after straightening processing, by hydraulic shear 3, cutting off defective band end to end, then by welding machine 4, band is welded end to end, to realize continuous production.Band after welding 5 enters entry loop 6 after by 1# jockey pulley.Band enters six frame four roller tandem rolling unit 8 continuous rollings by 2# jockey pulley group 7 from entry loop 6 out, is rolled into the cold-strip of desired thickness.Band enters outlet looping 11 by cleaning, drying unit 9,3# jockey pulley group 10 from tandem rolling unit 8 out successively.Band from outlet looping 11 out again by 4# jockey pulley 12, cut and cut 13, enter coiling machine 14.Coiling machine 14 is strip coil rolling, and when coil diameter reaches required when big or small, band is cut cutting 13 pairs, the place of cutting.Band after cutting unloads coiling machine by coil stripping car.
In this technical process, be stressed that in order to ensure the ability of depressing of tandem rolling unit 8 and avoid live-roller to skid, 2# jockey pulley group 7 is set before tandem rolling unit 8, and the rear 3# of the setting jockey pulley of tandem rolling unit 8 group 10 is to guarantee that tandem rolling unit entrance and outlet have enough large tension force.Because band exit surface has emulsion residue, for fear of milling train outlet jockey pulley, skid simultaneously, between tandem rolling unit 8 and 3# jockey pulley group 10, be also provided with cleaning, drying unit 9.
Tandem rolling unit 8 can adopt the mode of multi-frame four roller tandem rolling units connected in series.In the present invention, tandem rolling unit adopts the mode of six frame four roller tandem rolling units connected in series.Tandem rolling unit also can adopt the mode of multi-frame six roller tandem rolling units connected in series.Tandem rolling unit adopts path roller.Tandem rolling unit adopts backing roll central driving.
The above; it is only the preferably specific embodiment of the present invention; but protection scope of the present invention is not limited to this; those skilled in the art are within the scope of method disclosed by the invention, and the method according to this invention scheme and design of the present invention thereof are within equivalents all should be encompassed in protection scope of the present invention in addition.
Claims (7)
1. a new type stainless steel. corrosion resistance continuous cold rolling process, comprises following operation:
1., through uncoiler (1) to band uncoiling;
2., with straightener (2) aligning end to end coil of strip;
3., with hydraulic shear (3), cut off defective band;
4., with welding machine (4), band is welded end to end;
5., band through 1 ﹟ jockey pulley (5), entry loop (6), 2# jockey pulley group (7), after tandem rolling unit (8) rolling, enter cleaning drying machine group (9) cleaning, drying;
6., dry after band through 3# jockey pulley group (10) enter outlet looping (11), from outlet looping
(11) out afterwards by 4# jockey pulley (12), through cutting, cut (13) and enter coiling machine (14);
7., reach required when big or small when coil diameter, band is cut cutting the place of cutting (13).
2. realize new type stainless steel. corrosion resistance continuous cold rolling process unit claimed in claim 1 for one kind, comprise the following equipment being linked in sequence: uncoiler (1), straightener (2), hydraulic shear (3), welding machine (4), 1 ﹟ jockey pulley (5), tandem rolling unit (8), 4# jockey pulley (12), cut and cut (13), crimping machine (14), it is characterized in that: the entry loop (6) that addition sequence is connected between 1 ﹟ jockey pulley (5) and tandem rolling unit (8) and 2# jockey pulley group (7), between tandem rolling unit (8) and 4# jockey pulley (12), add the cleaning, drying unit (9) being linked in sequence, 3# jockey pulley group (10), outlet looping (11).
3. new type stainless steel. corrosion resistance tandem mills according to claim 2, is characterized in that: described tandem rolling unit (8) adopts the mode of multi-frame four roller tandem rolling units connected in series.
4. new type stainless steel. corrosion resistance tandem mills according to claim 3, is characterized in that: described tandem rolling unit (8) adopts the mode of six frame four roller tandem rolling units connected in series.
5. new type stainless steel. corrosion resistance tandem mills according to claim 2, is characterized in that: described tandem rolling unit (8) adopts the mode of multi-frame six roller tandem rolling units connected in series.
6. according to the new type stainless steel. corrosion resistance tandem mills described in any one in claim 2 to 5, it is characterized in that: described tandem rolling unit (8) adopts path roller.
7. according to the new type stainless steel. corrosion resistance tandem mills described in any one in claim 2 to 5, it is characterized in that: tandem rolling unit (8) adopts backing roll central driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752627.8A CN103722011A (en) | 2013-12-31 | 2013-12-31 | Novel stainless steel cold continuous rolling technology and unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752627.8A CN103722011A (en) | 2013-12-31 | 2013-12-31 | Novel stainless steel cold continuous rolling technology and unit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103722011A true CN103722011A (en) | 2014-04-16 |
Family
ID=50446442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310752627.8A Pending CN103722011A (en) | 2013-12-31 | 2013-12-31 | Novel stainless steel cold continuous rolling technology and unit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103722011A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001718A (en) * | 2014-06-04 | 2014-08-27 | 肇庆宏旺金属实业有限公司 | Continuous cold rolling system for stainless steel |
| CN104550230A (en) * | 2014-12-29 | 2015-04-29 | 中国第一重型机械股份公司 | Novel black stainless steel strip rolling process and unit |
| CN106345808A (en) * | 2016-08-30 | 2017-01-25 | 山东华烨科技有限公司 | Stainless steel continuous rolling mill set and rolling technology thereof |
| CN107030107A (en) * | 2017-04-13 | 2017-08-11 | 山东宏旺实业有限公司 | A kind of production line of rolled steel strip |
| CN107486470A (en) * | 2017-09-20 | 2017-12-19 | 大连民族大学 | A kind of energy-efficient cold continuous rolling production line and its method of work |
| CN107649512A (en) * | 2017-09-08 | 2018-02-02 | 新余钢铁股份有限公司 | A kind of manufacturing process of 65Mn cold rollings wide strip |
| CN107695097A (en) * | 2017-10-31 | 2018-02-16 | 邵阳高华工贸实业有限公司 | A kind of cold-rolled steel sheet Preparation equipment for high-end equipment manufacturing |
| CN108405608A (en) * | 2018-02-08 | 2018-08-17 | 中冶南方工程技术有限公司 | A kind of stainless-steel cold-rolling production unit and its production method |
| CN109530433A (en) * | 2018-12-11 | 2019-03-29 | 佛山市诚德新材料有限公司 | A kind of Cold Rolling System of stainless steel band |
| CN112139263A (en) * | 2019-06-27 | 2020-12-29 | 上海梅山钢铁股份有限公司 | Rapid threading method for cold rolling mill |
| CN116251839A (en) * | 2023-03-22 | 2023-06-13 | 首钢智新迁安电磁材料有限公司 | A cold continuous rolling production line and tension control method |
| CN119951873A (en) * | 2025-04-11 | 2025-05-09 | 一重集团大连工程技术有限公司 | A silicon steel cold rolling system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232608A (en) * | 1983-06-15 | 1984-12-27 | Nisshin Steel Co Ltd | Cold rolling method in tandem sendzimir mill |
| JPH05337503A (en) * | 1992-06-05 | 1993-12-21 | Kawasaki Steel Corp | Method and apparatus for rolling thin steel sheet |
| CN1853813A (en) * | 2005-04-29 | 2006-11-01 | 宝山钢铁股份有限公司 | Rolling mill exit device that can realize constant speed rolling |
| CN201399466Y (en) * | 2009-03-19 | 2010-02-10 | 湖北江重机械制造有限公司 | Endless rolling cold continuous rolling device |
| CN101745544A (en) * | 2010-01-04 | 2010-06-23 | 湖南华菱涟源钢铁有限公司 | Method for controlling transverse thickness difference of medium-low grade electrical steel |
| CN102172834A (en) * | 2010-12-30 | 2011-09-07 | 宝山钢铁股份有限公司 | Production line and process for continuous rolling of single rack |
| CN102172835A (en) * | 2010-12-30 | 2011-09-07 | 宝山钢铁股份有限公司 | Cold metal plate strip cold continuous rolling production line and production method |
| JP2012171010A (en) * | 2011-02-24 | 2012-09-10 | Toshiba Mitsubishi-Electric Industrial System Corp | Compound line, and method of controlling the same |
| JP2013081972A (en) * | 2011-10-06 | 2013-05-09 | Jfe Steel Corp | Method of continuously cold-rolling steel strip |
| CN203678835U (en) * | 2013-12-31 | 2014-07-02 | 一重集团大连设计研究院有限公司 | Novel stainless steel cold continuous rolling technology and unit thereof |
-
2013
- 2013-12-31 CN CN201310752627.8A patent/CN103722011A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232608A (en) * | 1983-06-15 | 1984-12-27 | Nisshin Steel Co Ltd | Cold rolling method in tandem sendzimir mill |
| JPH05337503A (en) * | 1992-06-05 | 1993-12-21 | Kawasaki Steel Corp | Method and apparatus for rolling thin steel sheet |
| CN1853813A (en) * | 2005-04-29 | 2006-11-01 | 宝山钢铁股份有限公司 | Rolling mill exit device that can realize constant speed rolling |
| CN201399466Y (en) * | 2009-03-19 | 2010-02-10 | 湖北江重机械制造有限公司 | Endless rolling cold continuous rolling device |
| CN101745544A (en) * | 2010-01-04 | 2010-06-23 | 湖南华菱涟源钢铁有限公司 | Method for controlling transverse thickness difference of medium-low grade electrical steel |
| CN102172834A (en) * | 2010-12-30 | 2011-09-07 | 宝山钢铁股份有限公司 | Production line and process for continuous rolling of single rack |
| CN102172835A (en) * | 2010-12-30 | 2011-09-07 | 宝山钢铁股份有限公司 | Cold metal plate strip cold continuous rolling production line and production method |
| JP2012171010A (en) * | 2011-02-24 | 2012-09-10 | Toshiba Mitsubishi-Electric Industrial System Corp | Compound line, and method of controlling the same |
| JP2013081972A (en) * | 2011-10-06 | 2013-05-09 | Jfe Steel Corp | Method of continuously cold-rolling steel strip |
| CN203678835U (en) * | 2013-12-31 | 2014-07-02 | 一重集团大连设计研究院有限公司 | Novel stainless steel cold continuous rolling technology and unit thereof |
Non-Patent Citations (2)
| Title |
|---|
| 李曼云等: "《高速轧机线材生产知识问答》", 31 January 2006, 冶金工业出版社, article ""轧机及其布置"", pages: 97-98 * |
| 胡新等: "《金属塑性加工生产技术》", 28 February 2011, 冶金工业出版社, article ""铜及铜合金板带材的生产工艺"" * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001718A (en) * | 2014-06-04 | 2014-08-27 | 肇庆宏旺金属实业有限公司 | Continuous cold rolling system for stainless steel |
| CN104550230A (en) * | 2014-12-29 | 2015-04-29 | 中国第一重型机械股份公司 | Novel black stainless steel strip rolling process and unit |
| CN106345808A (en) * | 2016-08-30 | 2017-01-25 | 山东华烨科技有限公司 | Stainless steel continuous rolling mill set and rolling technology thereof |
| CN107030107A (en) * | 2017-04-13 | 2017-08-11 | 山东宏旺实业有限公司 | A kind of production line of rolled steel strip |
| CN107649512B (en) * | 2017-09-08 | 2019-01-11 | 新余钢铁股份有限公司 | A kind of manufacturing process of 65Mn cold rolling wide strip |
| CN107649512A (en) * | 2017-09-08 | 2018-02-02 | 新余钢铁股份有限公司 | A kind of manufacturing process of 65Mn cold rollings wide strip |
| CN107486470A (en) * | 2017-09-20 | 2017-12-19 | 大连民族大学 | A kind of energy-efficient cold continuous rolling production line and its method of work |
| CN107695097A (en) * | 2017-10-31 | 2018-02-16 | 邵阳高华工贸实业有限公司 | A kind of cold-rolled steel sheet Preparation equipment for high-end equipment manufacturing |
| CN108405608A (en) * | 2018-02-08 | 2018-08-17 | 中冶南方工程技术有限公司 | A kind of stainless-steel cold-rolling production unit and its production method |
| CN109530433A (en) * | 2018-12-11 | 2019-03-29 | 佛山市诚德新材料有限公司 | A kind of Cold Rolling System of stainless steel band |
| CN109530433B (en) * | 2018-12-11 | 2023-12-08 | 佛山市诚德新材料有限公司 | Cold rolling system of stainless steel strip |
| CN112139263A (en) * | 2019-06-27 | 2020-12-29 | 上海梅山钢铁股份有限公司 | Rapid threading method for cold rolling mill |
| CN112139263B (en) * | 2019-06-27 | 2022-09-09 | 上海梅山钢铁股份有限公司 | Rapid threading method for cold rolling mill |
| CN116251839A (en) * | 2023-03-22 | 2023-06-13 | 首钢智新迁安电磁材料有限公司 | A cold continuous rolling production line and tension control method |
| CN116251839B (en) * | 2023-03-22 | 2024-04-19 | 首钢智新迁安电磁材料有限公司 | Tension control method for cold continuous rolling production line |
| CN119951873A (en) * | 2025-04-11 | 2025-05-09 | 一重集团大连工程技术有限公司 | A silicon steel cold rolling system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103722011A (en) | Novel stainless steel cold continuous rolling technology and unit thereof | |
| CN207026109U (en) | A kind of white skin rolling annealing and pickling unit in new type stainless steel. corrosion resistance arrowband | |
| CN104550230A (en) | Novel black stainless steel strip rolling process and unit | |
| CN102728707B (en) | Roll-bending method and device for hat-shaped profile with variable cross-section | |
| CN103706637B (en) | A kind of cold rolling abbreviated system and unit thereof | |
| CN106944479B (en) | A kind of thin strip single chassis tandem mill and implementation method | |
| CN107321790B (en) | The acid washing method of low-carbon hot-rolling strip | |
| CN107962074A (en) | A kind of stainless steel cold-rolled plate continuous process system and method | |
| CN203678835U (en) | Novel stainless steel cold continuous rolling technology and unit thereof | |
| CN104399748B (en) | A kind of production technology that can replace conventional broadband steel hot continuous rolling | |
| CN202174408U (en) | A combination system of titanium and titanium alloy coil processing equipment | |
| CN204412757U (en) | A kind of new type stainless steel. corrosion resistance casting skin strip-rolling technique unit | |
| CN103272881B (en) | Rewinding and separating method for stainless steel pattern plate of work roll contactless steel plate | |
| CN104384228A (en) | Process control method for pickling rolling production of high strength IF steel and device thereof | |
| CN101522326A (en) | Rolling mill and method for controlling a rolling mill | |
| CN102430578A (en) | Cold-rolled strip steel flattening device and cold-rolled strip steel cross break eliminating method | |
| CN202411151U (en) | A high-speed cold rolling and recoiling production line with a leveler | |
| CN211889848U (en) | Continuous flattening unit for improving shape of hot-rolled coil | |
| CN109047334A (en) | Production method and application for the slitting of hot strip longitudinal direction | |
| CN204276517U (en) | A kind of production line that can replace conventional broadband steel hot continuous rolling | |
| CN103920736B (en) | A kind of belt steel surface oxide sweep-out method of low acid consumption carbon steel | |
| CN102921728B (en) | Method for producing titanium coils by employing single-frame twenty-roller reversing cold mill unit | |
| KR20060089738A (en) | Rolling mills and hot rolling methods for hot rolling of metals, in particular aluminum | |
| CN112705569B (en) | Steckel mill production line with ultra-short distance arrangement and rolling process | |
| CN107009108A (en) | A kind of cold-rolled steel sheet punching net short-flow production method and equipment |
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: 20140416 |