CN101712117A - Process for manufacturing light and thin aluminium alloy sheet materials - Google Patents
Process for manufacturing light and thin aluminium alloy sheet materials Download PDFInfo
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- CN101712117A CN101712117A CN200810167723A CN200810167723A CN101712117A CN 101712117 A CN101712117 A CN 101712117A CN 200810167723 A CN200810167723 A CN 200810167723A CN 200810167723 A CN200810167723 A CN 200810167723A CN 101712117 A CN101712117 A CN 101712117A
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- aluminium alloy
- ingot blank
- solution
- sheet materials
- temperature
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005266 casting Methods 0.000 claims abstract description 22
- 238000003723 Smelting Methods 0.000 claims abstract description 15
- 238000005098 hot rolling Methods 0.000 claims abstract description 14
- 238000005097 cold rolling Methods 0.000 claims abstract description 8
- 238000003801 milling Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000007872 degassing Methods 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000003556 assay Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 3
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000007499 fusion processing Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 abstract 2
- 238000012545 processing Methods 0.000 abstract 2
- 239000000047 product Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000009749 continuous casting Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Metal Rolling (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a process for manufacturing light and thin aluminium alloy sheet materials, which sequentially comprises the ten steps of batching, smelting, testing, standing, casting, saw cutting and face milling, heat processing, hot rolling, cold rolling and finished product cutting. The manufacturing process not only changes the common phenomena of high energy consumption and high pollution in the conventional smelting furnace fundamentally and meets the energy-saving and environmentally-friendly requirement, but also produces the aluminium alloy sheet materials with high mechanical property and excellent processing quality and effectively increases the yield of the finished products and the production efficiency.
Description
Technical field:
The present invention relates to a kind of manufacturing process of light and thin aluminium alloy sheet materials.
Background technology:
In the prior art, the manufacturing process of aluminum alloy plate materials is constantly perfect, but yet have following deficiency simultaneously: 1, the heating energy source of smelting furnace adopts coal, fuel oil and electric power etc. mostly in the past, not only pollute big, cause production environment abominable, and the energy resource consumption height, be unfavorable for the control of production cost; 2, raw metal directly enters the casting machine casting after being smelted into solution, is difficult to guarantee the casting temperature of solution like this, and making the ingot blank unstable properties that casting is come out also can influence yield rate simultaneously; 3, the ingot blank maximum length of casting in the existing casting technique only has 4 meters, thereby can not satisfy the needs of people to large-sized sheet material; 4, the heat treatment technics of blank single, fall behind, not only tissue and the performance to aluminium alloy produced many adverse effects, causes the intensity of aluminum alloy plate materials and hardness etc. not to reach requirement, and influenced the heat treatment production efficiency of aluminium alloy greatly.
Summary of the invention:
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of manufacturing process of light and thin aluminium alloy sheet materials is provided, it has not only fundamentally changed the high energy consumption of traditional smelting furnace existence, the universal phenomenon of high pollution, reach energy conservation and environment protection, and the aluminum alloy plate materials that casts out has high mechanical performance and good crudy, and yield rate and production efficiency all effectively improve simultaneously.
Manufacturing process according to light and thin aluminium alloy sheet materials provided by the invention comprises the steps:
Batching: the component of each raw metal and weight proportion are: manganese 0.05%～1.5%, copper 0.05%～0.4%, nobelium 0.06%～0.4%, magnesium 0.6%～4.5%, iron 0.025%～0.5%, silicon 0.2%～1%, titanium 0.01%～0.04%, all the other are aluminium.
Melting: the raw metal of said ratio is put into the natural gas smelting furnace, and be heated to 760～780 ℃, make the raw metal fusing form aluminium alloy solution, smelting time is 3～5 hours.
Check: to above-mentioned solution sampling, sampling solution is carried out the composition check, and make corresponding adjustment according to assay by detecting instrument.
Leave standstill: will change electrical heating over to through the aluminium alloy solution of check and leave standstill in the stove, and be heated to 720～740 ℃, stove is left standstill in electrical heating remains in this temperature the temperature of aluminium alloy solution by its inner thermal insulating layer always, and time of repose is 10～20 minutes.
Casting: under the intensity of cooling of 700～740 ℃ temperature and 0.1～0.18mpa, to leave standstill the aluminium alloy solution that flows out by chute in the stove by hydraulic deep-well type casting machine with the speed of 40～60mm/min and be cast as ingot blank, its ingot blank casting length is 8.6m to the maximum.
Sawing with mill face: as required the ingot blank sawing is become Len req, and two big faces of ingot blank is carried out milling, eliminate blemish with milling machine.
Heat treated: will put into gas heating furnace through sawing and the ingot blank that mills face, under 530～580 ℃ temperature, keep 10～20 hours.
Hot rolling: is that 530～580 ℃ ingot blank carries out hot rolling with hot-rolling mill to temperature, is rolled into the thick aluminum alloy plate materials of 12～260mm.
Cold rolling: as at normal temperatures, to be rolled into the finished product of 2.8～10mm with the aluminum alloy plate materials of cold-rolling mill after with hot rolling.
Finished product is sheared: with shearing equipment finished product is sheared on request.
The present invention also has following attached technical characterictic:
In described fusion process, in smelting furnace, add refining agent, slagging agent and nitrogen solution is carried out a slag hitting degasification.
Leave standstill in the process described, in leaving standstill stove, add refining agent, slagging agent and coverture alloy solution is carried out secondary slag hitting degasification.
According to the manufacturing process of light and thin aluminium alloy sheet materials provided by the invention, have following advantage with respect to prior art:
The first, the present invention has adopted novel natural gas aluminium alloy smelting technology, and this technology has the characteristics of energy-conserving and environment-protective, has fundamentally changed the high energy consumption of traditional smelting furnace existence, the universal phenomenon of high pollution.
Second, the present invention has increased the operation that electrical heating is left standstill before the aluminium alloy solution casting, by leaving standstill solution is cast under temperature constant state, thereby avoided the excessive influence of variations in temperature to the ingot blank castability, make the aluminium alloy ingot blank obtain desirable crystalline structure and flat surface, the machined that improves aluminium alloy capability and minimizing aluminum alloy plate materials is had important function.
The 3rd, the present invention adopts the hydraulic deep-well type foundry engieering, and by cooperating of hydraulic control system and deep-wall type structure, its maximum casting length has reached 8.6m, thereby can satisfy the needs of people to large-sized sheet material; Simultaneously, this hydraulic control system has also increased the stationarity of ingot blank casting, makes its moulding that at the uniform velocity descends, thereby has further guaranteed the crudy of ingot blank, and improved yield rate and production efficiency.
The 4th, the present invention carries out hot rolling and cold rolling two procedures with the ingot blank after heat treated, thereby can obtain the thin aluminum alloy plate materials of size on the basis of proof strength, thereby has widened the scope of application of sheet material.
The 5th, the present invention is in melting and leave standstill and carried out a slag hitting degasification and secondary slag hitting degasification in the process respectively, thereby has improved the purity of aluminium alloy solution significantly, and the ingot blank performance that casting is come out is more superior.
The specific embodiment:
Manufacturing process according to light and thin aluminium alloy sheet materials provided by the invention comprises the steps:
Batching: the component of each raw metal and weight proportion are: manganese 0.05%～1.5%, copper 0.05%～0.4%, nobelium 0.06%～0.4%, magnesium 0.6%～4.5%, iron 0.025%～0.5%, silicon 0.2%～1%, titanium 0.01%～0.04%, all the other are aluminium.
Melting: the raw metal of said ratio is put into the natural gas smelting furnace, and be heated to 760～780 ℃, make the raw metal fusing form aluminium alloy solution, smelting time is 3～5 hours; Simultaneously, in body of heater, add refining agent, slagging agent and nitrogen solution is carried out a slag hitting degasification.
Check: to above-mentioned solution sampling, sampling solution is carried out the composition check, and make corresponding adjustment according to assay by the spectrum spectrophotometer.For example, if find that wherein certain metal lacks content, then in smelting furnace, increase respective amount and get final product; Can improve the yield rate of ingot blank casting by this inspection process.
Leave standstill: will change electrical heating over to through the aluminium alloy solution of check and leave standstill in the stove, and be heated to 720～740 ℃, stove is left standstill in electrical heating remains in this temperature the temperature of aluminium alloy solution by its inner thermal insulating layer always, and time of repose is 10～20 minutes; Simultaneously, in stove is left standstill in electrical heating, add refining agent, slagging agent and coverture alloy solution is carried out secondary slag hitting degasification,, improve the processability of ingot blank to guarantee solution purity.
Casting: under the intensity of cooling of 700～740 ℃ temperature and 0.1～0.18mpa, to leave standstill the aluminium alloy solution that flows out by chute in the stove by hydraulic deep-well type casting machine with the speed of 40～60mm/min and be cast as ingot blank, its ingot blank casting length is 8.6m to the maximum, thereby can satisfy the needs of people to large-sized sheet material.During casting, can select to use continuous casting and semi-continuous casting dual mode.
Sawing with mill face: as required the ingot blank sawing is become Len req, and two big faces of ingot blank is carried out milling, eliminate blemish with milling machine.In this process,, then only mill face after the sawing end to end with ingot blank and get final product if when the client needs large-scale aluminum alloy plate.
Heat treated: will put into gas heating furnace through sawing and the ingot blank that mills face, under 530～580 ℃ temperature, keep 10～20 hours.
Hot rolling: is that 530～580 ℃ ingot blank carries out hot rolling with hot-rolling mill to temperature, is rolled into the thick aluminum alloy plate materials of 12～260mm.
Cold rolling: as at normal temperatures, to be rolled into the finished product of 2.8～10mm with the aluminum alloy plate materials of cold-rolling mill after with hot rolling.
Finished product is sheared: with shearing equipment finished product is sheared on request.
The foregoing description is only for the usefulness that the present invention is described; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.
Claims (3)
1. the manufacturing process of a light and thin aluminium alloy sheet materials is characterized in that in turn including the following steps:
(1) batching: the component of each raw metal and weight proportion are: manganese 0.05%～1.5%, copper 0.05%～0.4%, nobelium 0.06%～0.4%, magnesium 0.6%～4.5%, iron 0.025%～0.5%, silicon 0.2%～1%, titanium 0.01%～0.04%, all the other are aluminium.
(2) melting: the raw metal of said ratio is put into the natural gas smelting furnace, and be heated to 760～780 ℃, make the raw metal fusing form aluminium alloy solution, smelting time is 3～5 hours.
(3) check: to above-mentioned solution sampling, sampling solution is carried out the composition check, and make corresponding adjustment according to assay by detecting instrument.
(4) leave standstill: will change electrical heating over to through the aluminium alloy solution of check and leave standstill in the stove, and be heated to 720～740 ℃, stove is left standstill in electrical heating remains in this temperature the temperature of aluminium alloy solution by its inner thermal insulating layer always, and time of repose is 10～20 minutes.
(5) casting: under the intensity of cooling of 700～740 ℃ temperature and 0.1～0.18mpa, to leave standstill the aluminium alloy solution that flows out by chute in the stove by hydraulic deep-well type casting machine with the speed of 40～60mm/min and be cast as ingot blank, its ingot blank casting length is 8.6m to the maximum.
(6) sawing with mill face: as required the ingot blank sawing is become Len req, and two big faces of ingot blank is carried out milling, eliminate blemish with milling machine.
(7) heat treated: will put into gas heating furnace through sawing and the ingot blank that mills face, under 530～580 ℃ temperature, keep 10～20 hours.
(8) hot rolling: is that 530～580 ℃ ingot blank carries out hot rolling with hot-rolling mill to temperature, is rolled into the thick aluminum alloy plate materials of 12～260mm.
(9) cold rolling: as at normal temperatures, to be rolled into the finished product of 2.8～10mm with the aluminum alloy plate materials of cold-rolling mill after with hot rolling.
(11) finished product is sheared: with shearing equipment finished product is sheared on request.
2. the manufacturing process of a kind of light and thin aluminium alloy sheet materials according to claim 1 is characterized in that: in described fusion process, add refining agent, slagging agent and nitrogen in smelting furnace solution is carried out a slag hitting degasification.
3. the manufacturing process of a kind of light and thin aluminium alloy sheet materials according to claim 1 and 2 is characterized in that: leave standstill in the process described, add refining agent, slagging agent and coverture in leaving standstill stove alloy solution is carried out secondary slag hitting degasification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101677235A CN101712117B (en) | 2008-10-06 | 2008-10-06 | Process for manufacturing light and thin aluminium alloy sheet materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101677235A CN101712117B (en) | 2008-10-06 | 2008-10-06 | Process for manufacturing light and thin aluminium alloy sheet materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101712117A true CN101712117A (en) | 2010-05-26 |
| CN101712117B CN101712117B (en) | 2011-11-09 |
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| CN2008101677235A Expired - Fee Related CN101712117B (en) | 2008-10-06 | 2008-10-06 | Process for manufacturing light and thin aluminium alloy sheet materials |
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| Country | Link |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319731A (en) * | 2011-09-15 | 2012-01-18 | 中铝瑞闽铝板带有限公司 | Machining method of aluminum base material for can cap pull ring |
| CN103014570A (en) * | 2012-12-27 | 2013-04-03 | 西南铝业（集团）有限责任公司 | Production method of aluminum alloy sheet |
| CN103009010A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | 1100-H14 aluminum alloy plate-strip and production method thereof |
| CN103014426A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | 1050-H14 aluminum alloy plate strip and production method thereof |
| CN103060630A (en) * | 2012-04-11 | 2013-04-24 | 湖南晟通科技集团有限公司 | High weld strength Al-Mg-Er-Zr alloy and preparation method of panel made of same |
| CN103060621A (en) * | 2012-12-27 | 2013-04-24 | 亚洲铝业（中国）有限公司 | 1100-H16 aluminum alloy plate/strip and production method thereof |
| CN106319257A (en) * | 2015-07-10 | 2017-01-11 | 上海帅翼驰铝合金新材料有限公司 | Production method for improving grain size of ADC12 aluminum alloy ingot |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29924474U1 (en) * | 1999-07-02 | 2003-08-28 | Hydro Aluminium Deutschland GmbH, 53117 Bonn | litho |
| CN1473949A (en) * | 2003-07-29 | 2004-02-11 | 沈健生 | Aluminium alloy foil and its producing method |
| CN100561345C (en) * | 2005-05-20 | 2009-11-18 | 东北轻合金有限责任公司 | The manufacture method of aluminous plate for PS plate substrate for printing |
| CN100333863C (en) * | 2005-05-20 | 2007-08-29 | 东北轻合金有限责任公司 | Method for casting aluminium alloy |
| CN100482829C (en) * | 2007-04-29 | 2009-04-29 | 东北轻合金有限责任公司 | Manufacturing method of aluminum alloy plate for train compartment |
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2008
- 2008-10-06 CN CN2008101677235A patent/CN101712117B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319731A (en) * | 2011-09-15 | 2012-01-18 | 中铝瑞闽铝板带有限公司 | Machining method of aluminum base material for can cap pull ring |
| CN103060630A (en) * | 2012-04-11 | 2013-04-24 | 湖南晟通科技集团有限公司 | High weld strength Al-Mg-Er-Zr alloy and preparation method of panel made of same |
| CN103060630B (en) * | 2012-04-11 | 2015-03-04 | 湖南晟通科技集团有限公司 | High weld strength Al-Mg-Er-Zr alloy and preparation method of panel made of same |
| CN103014570A (en) * | 2012-12-27 | 2013-04-03 | 西南铝业（集团）有限责任公司 | Production method of aluminum alloy sheet |
| CN103009010A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | 1100-H14 aluminum alloy plate-strip and production method thereof |
| CN103014426A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | 1050-H14 aluminum alloy plate strip and production method thereof |
| CN103060621A (en) * | 2012-12-27 | 2013-04-24 | 亚洲铝业（中国）有限公司 | 1100-H16 aluminum alloy plate/strip and production method thereof |
| CN103009010B (en) * | 2012-12-27 | 2015-05-20 | 亚洲铝业（中国）有限公司 | 1100-H14 aluminum alloy plate-strip and production method thereof |
| CN103014570B (en) * | 2012-12-27 | 2016-03-16 | 西南铝业（集团）有限责任公司 | A kind of production method of aluminum alloy plate materials |
| CN106319257A (en) * | 2015-07-10 | 2017-01-11 | 上海帅翼驰铝合金新材料有限公司 | Production method for improving grain size of ADC12 aluminum alloy ingot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101712117B (en) | 2011-11-09 |
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Owner name: ZHEJIANG SHUNHU ALUMINIUM CO., LTD. Free format text: FORMER OWNER: CHENG YONGJUN Effective date: 20121101 |
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Effective date of registration: 20121101 Address after: 321300, Huaxia Road, Yongkang Economic Development Zone, Zhejiang, Jinhua 115, China Patentee after: Zhejiang Tiger Aluminium Co., Ltd. Address before: 321300 No. 115 Huaxia Road, Yongkang Economic Development Zone, Zhejiang, China Patentee before: Cheng Yongjun |
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