CN106811612A - A kind of casting-rolling method of aluminium alloy sheet - Google Patents
A kind of casting-rolling method of aluminium alloy sheet Download PDFInfo
- Publication number
- CN106811612A CN106811612A CN201611143373.XA CN201611143373A CN106811612A CN 106811612 A CN106811612 A CN 106811612A CN 201611143373 A CN201611143373 A CN 201611143373A CN 106811612 A CN106811612 A CN 106811612A
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- Prior art keywords
- casting
- aluminium
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- aluminium alloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- B21B1/30—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 in a non-continuous process
- B21B1/32—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 in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
- B21B1/36—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 in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by cold-rolling
-
- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
- B21B1/463—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 metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a kind of casting-rolling method of aluminium alloy sheet, composition by weight percent is in the furnace charge of described aluminum alloy thin board mixture：Si0.52~0.56%, Fe0.819~0.86%, Cu0.016~0.021%, Mn0.017~0.020%, Mg0.09~0.12%, Cr0.007~0.009%, Zn0.019~0.025%, Ti0.011~0.016% other individual element content≤0.03%, balance of Al percentage by weights.Described casting-rolling method includes melting, casting, cold rolling.The method is simple, while same surface quality and mechanical property is obtained, production cost will be also greatly lowered, and simplifies production procedure, shortens the production cycle.
Description
Technical field
The present invention relates to non-ferrous metal casting, especially a kind of casting-rolling method of aluminium alloy sheet.
Background technology
Aluminium and aluminium alloy sheet have the intensity and deep-draw that light specific gravity, thermal conductivity are good, corrosion stability is good, density is strong and good
The advantages of performance, various deep processings are easily carried out, particularly for various cookers and light fixture.With the raising of people's quality of the life,
More focus on the scientific and technological content of kitchen tools, aluminum kitchen tools are not only beneficial to the conduction of heat energy but also very light.At present, the aluminium of production is closed
The conventional flowsheet of golden thin plate is：Melting → casting → homogenizing annealing → sawing → milling face → heating → hot rolling → cold rolling.
The content of the invention
It is an object of the present invention to regarding to the issue above, propose a kind of casting-rolling method of aluminium alloy sheet, replaced with casting and roll process
Aluminium alloy sheet is produced for Hot rolling.
The technical solution adopted for the present invention to solve the technical problems is：The furnace charge of its dispensing include Mg, Mn, Cr, Fe,
Si, Ti, Cu, Zn, Al and other individual elements, the percentage by weight of composition is：Si0.52~0.56%, Fe0.819~
0.86%th, Cu0.016~0.021%, Mn0.017~0.020%, Mg0.09~0.12%, Cr0.007~0.009%, Zn0.019~
0.025%th, other individual element content≤0.03% of Ti0.011~0.016%, balance of Al percentage by weights.
For the aluminium alloy sheet described in casting, casting-rolling method of the invention includes following several steps：
The first step：Melting；A. stove is thrown：By in aluminium ingot and 10~30% return scrap input stove；B. melt：In intensification melting furnace
Furnace charge；C. stir：In fusion process, it is stirred in good time；D. skim：After reaching 690~750 DEG C of fusion temperature, surface is taken off
Scum silica frost；E. sampling analysis：Sampling analysis chemical composition；F. dispensing：By adding Fe additives, closed in the middle of Zn intermediate alloys, Cu
Gold, Ti intermediate alloys, Si intermediate alloys etc., Mg are added with form of pure metal, adjust chemical composition；G. refine：Control aluminium liquid temperature
Degree carries out aluminum anodizing and skims at 700~740 DEG C；H. converter：The aluminium liquid that melting is completed, is transferred to casting operation；
Second step：Casting：In ± 0.5mm, different according to alloy, preceding case temperature is preceding case aluminium liquid fluctuation of level scope control
690~720 DEG C, the clearance control between lip and lower Casting Roller is in 0.1~0.2mm, 950~1000mm of casting and rolling machine roll neck；
3rd step：It is cold rolling：Cold rolling through the passage of cold-rolling mill 1~4, aluminium cold rolling shrinkage is 40~90%, obtains thickness for 2~3mm aluminium
Latten.
The beneficial effects of the invention are as follows：Method is simple, while same surface quality and mechanical property is obtained, will also
Production cost is greatly lowered, simplifies production procedure, shorten the production cycle.
Specific embodiment
Embodiment 1
For the aluminium alloy sheet described in casting, casting-rolling method of the invention includes following several steps：
The first step：Melting；A. stove is thrown：By in aluminium ingot and 10% return scrap input stove；B. melt：Furnace charge in intensification melting furnace,
The percentage by weight of wherein composition is：Si0.52%、Fe0.819%、Cu0.016%、Mn0.017%、Mg0.09%、Cr0.007%、
Zn0.019%, Ti0.011% other individual element content≤0.03%, balance of Al percentage by weights；C. stir：Fusion process
In, it is stirred in good time；D. skim：After reaching 690 DEG C of fusion temperature, surface scum is taken off；E. sampling analysis：Sampling analysis
Study point；F. dispensing：By adding Fe additives, Zn intermediate alloys, Cu intermediate alloys, Ti intermediate alloys, Si intermediate alloys etc.,
Mg is added with form of pure metal, adjusts chemical composition；G. refine：Control temperature of aluminum liquid carries out aluminum anodizing and takes off at 700 DEG C
Slag；H. converter：The aluminium liquid that melting is completed, is transferred to casting operation；
Second step：Casting：In ± 0.5mm, different according to alloy, preceding case temperature is preceding case aluminium liquid fluctuation of level scope control
690 DEG C, the clearance control between lip and lower Casting Roller is in 0.1mm, casting and rolling machine roll neck 950mm；
3rd step：It is cold rolling：It is cold rolling：Cold rolling through the passage of cold-rolling mill 1, aluminium cold rolling shrinkage is 40%, obtains thickness for 2mm aluminium alloys
Thin plate.
Embodiment 2
For the aluminium alloy sheet described in casting, casting-rolling method of the invention includes following several steps：
The first step：Melting；A. stove is thrown：By in aluminium ingot and 10~30% return scrap input stove；B. melt：In intensification melting furnace
The percentage by weight of furnace charge, wherein composition is：Si0.54%、Fe0.839%、Cu0.0185%、Mn0.0185%、Mg0.105%、
Cr0.008%, Zn0.022%, Ti0.0135% other individual element content≤0.03%, balance of Al percentage by weights；C. stir：
In fusion process, it is stirred in good time；D. skim：After reaching 720 DEG C of fusion temperature, surface scum is taken off；E. sampling analysis：Take
Sample analytical chemistry composition；F. dispensing：By adding Fe additives, in Zn intermediate alloys, Cu intermediate alloys, Ti intermediate alloys, Si
Between alloy etc., Mg adds with form of pure metal, adjusts chemical composition；G. refine：Control temperature of aluminum liquid carries out aluminium liquid at 720 DEG C
Refine and skim；H. converter：The aluminium liquid that melting is completed, is transferred to casting operation；
Second step：Casting：In ± 0.5mm, different according to alloy, preceding case temperature is preceding case aluminium liquid fluctuation of level scope control
705 DEG C, the clearance control between lip and lower Casting Roller is in 0.15mm, casting and rolling machine roll neck 975mm；
3rd step：It is cold rolling：It is cold rolling：Cold rolling through the passage of cold-rolling mill 2, aluminium cold rolling shrinkage is 65%, obtains thickness for 2.5mm aluminium is closed
Golden thin plate.
Embodiment 3
For the aluminium alloy sheet described in casting, casting-rolling method of the invention includes following several steps：
The first step：Melting；A. stove is thrown：By in aluminium ingot and 30% return scrap input stove；B. melt：Furnace charge in intensification melting furnace,
The percentage by weight of wherein composition is：Si0.56%、Fe0.86%、Cu0.021%、Mn0.020%、Mg0.12%、Cr0.009%、
Zn0.025%, Ti0.016% other individual element content≤0.03%, balance of Al percentage by weights；C. stir：Fusion process
In, it is stirred in good time；D. skim：After reaching 750 DEG C of fusion temperature, surface scum is taken off；E. sampling analysis：Sampling analysis
Study point；F. dispensing：By adding Fe additives, Zn intermediate alloys, Cu intermediate alloys, Ti intermediate alloys, Si intermediate alloys etc.,
Mg is added with form of pure metal, adjusts chemical composition；G. refine：Control temperature of aluminum liquid carries out aluminum anodizing and takes off at 740 DEG C
Slag；H. converter：The aluminium liquid that melting is completed, is transferred to casting operation；
Second step：Casting：In ± 0.5mm, different according to alloy, preceding case temperature is preceding case aluminium liquid fluctuation of level scope control
720 DEG C, the clearance control between lip and lower Casting Roller is in 0.1~0.2mm, casting and rolling machine roll neck 1000mm；
3rd step：It is cold rolling：Cold rolling through the passage of cold-rolling mill 4, aluminium cold rolling shrinkage is 90%, obtains thickness for 3mm aluminum alloy thins
Plate.
Specific embodiment of the invention is described above, but these explanations can not be considered as limiting the present invention
Scope, protection scope of the present invention limits by appended claims, Wang where appointing on the basis of the claims in the present invention
What modification, equivalent and improvement etc., each falls within the Inner of protection scope of the present invention.
Claims (2)
1. a kind of casting-rolling method of aluminium alloy sheet, it is characterised in that：The furnace charge of its dispensing include Mg, Mn, Cr, Fe, Si,
Ti, Cu, Zn, Al and other individual elements, the percentage by weight of composition is：Si0.52~0.56%, Fe0.819~0.86%,
Cu0.016~0.021%, Mn0.017~0.020%, Mg0.09~0.12%, Cr0.007~0.009%, Zn0.019~
0.025%th, other individual element content≤0.03% of Ti0.011~0.016%, balance of Al percentage by weights.
2. a kind of method of the aluminium alloy sheet described in casting claim 1, including following several steps：The first step：Melting；a.
Throw stove：By in aluminium ingot and 10~30% return scrap input stove；B. melt：Furnace charge in intensification melting furnace；C. stir：Melted
Cheng Zhong, is stirred in good time；D. skim：After reaching 690~750 DEG C of fusion temperature, surface scum is taken off；E. sampling analysis：Take
Sample analytical chemistry composition；F. dispensing：By adding Fe additives, in Zn intermediate alloys, Cu intermediate alloys, Ti intermediate alloys, Si
Between alloy etc., Mg adds with form of pure metal, adjusts chemical composition；G. refine：Control temperature of aluminum liquid is carried out at 700~740 DEG C
Aluminum anodizing and skim；H. converter：The aluminium liquid that melting is completed, is transferred to casting operation；Second step：Casting：Preceding case aluminium liquid liquid level
Height fluctuation scope control is different according to alloy in ± 0.5mm, and preceding case temperature is 690~720 DEG C, lip and lower Casting Roller it
Between clearance control in 0.1~0.2mm, 950~1000mm of casting and rolling machine roll neck；3rd step：It is cold rolling：It is cold through the passage of cold-rolling mill 1~4
Roll, aluminium cold rolling shrinkage is 40~90%, obtain thickness for 2~3mm aluminium alloy sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143373.XA CN106811612A (en) | 2016-12-13 | 2016-12-13 | A kind of casting-rolling method of aluminium alloy sheet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143373.XA CN106811612A (en) | 2016-12-13 | 2016-12-13 | A kind of casting-rolling method of aluminium alloy sheet |
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| CN106811612A true CN106811612A (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611143373.XA Pending CN106811612A (en) | 2016-12-13 | 2016-12-13 | A kind of casting-rolling method of aluminium alloy sheet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144982A (en) * | 2017-12-23 | 2018-06-12 | 南京法洛尼亚建材有限公司 | A kind of production method for the Aluminum sheets for being used to prepare metal mosaic |
| CN109487113A (en) * | 2018-12-26 | 2019-03-19 | 湖北金洋资源股份公司 | Alloy-type aluminum melting process between a kind of bowl spares |
| CN109487111A (en) * | 2018-12-26 | 2019-03-19 | 湖北金洋资源股份公司 | A kind of eutectic slag rate metal smelt technique |
| CN109487112A (en) * | 2018-12-26 | 2019-03-19 | 湖北金洋资源股份公司 | A kind of alloy product production method |
Citations (3)
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| JP2009293072A (en) * | 2008-06-04 | 2009-12-17 | Mazda Motor Corp | Continuously cast and rolled material and method for producing plastic-worked member using the same |
| CN104451273A (en) * | 2014-11-27 | 2015-03-25 | 广西南南铝箔有限责任公司 | Method for producing aluminum wafers through cast rolling |
| CN105018799A (en) * | 2015-07-15 | 2015-11-04 | 浙江中金铝业有限公司 | Aluminum foil for lithium battery |
-
2016
- 2016-12-13 CN CN201611143373.XA patent/CN106811612A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009293072A (en) * | 2008-06-04 | 2009-12-17 | Mazda Motor Corp | Continuously cast and rolled material and method for producing plastic-worked member using the same |
| CN104451273A (en) * | 2014-11-27 | 2015-03-25 | 广西南南铝箔有限责任公司 | Method for producing aluminum wafers through cast rolling |
| CN105018799A (en) * | 2015-07-15 | 2015-11-04 | 浙江中金铝业有限公司 | Aluminum foil for lithium battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144982A (en) * | 2017-12-23 | 2018-06-12 | 南京法洛尼亚建材有限公司 | A kind of production method for the Aluminum sheets for being used to prepare metal mosaic |
| CN109487113A (en) * | 2018-12-26 | 2019-03-19 | 湖北金洋资源股份公司 | Alloy-type aluminum melting process between a kind of bowl spares |
| CN109487111A (en) * | 2018-12-26 | 2019-03-19 | 湖北金洋资源股份公司 | A kind of eutectic slag rate metal smelt technique |
| CN109487112A (en) * | 2018-12-26 | 2019-03-19 | 湖北金洋资源股份公司 | A kind of alloy product production method |
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Application publication date: 20170609 |
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