CN105483474A - High-strength aluminum alloy deep-drawing bottle cap and production method thereof - Google Patents
High-strength aluminum alloy deep-drawing bottle cap and production method thereof Download PDFInfo
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- CN105483474A CN105483474A CN201510959768.6A CN201510959768A CN105483474A CN 105483474 A CN105483474 A CN 105483474A CN 201510959768 A CN201510959768 A CN 201510959768A CN 105483474 A CN105483474 A CN 105483474A
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- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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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
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
Abstract
The invention discloses a high-strength aluminum alloy deep-drawing bottle cap and a production method thereof. The bottle cap mainly comprises the following raw materials: less than 0.15% of Si, less than 0.38% of Fe, less than 0.05% of Cu, less than 0.1% of Mn, 2.2-2.35% of Mg, 0.16-0.22% of Cr, less than 0.05% of Zn, 0.01-0.15% of Ti and Al in balancing amount. The production method comprises the following steps: firstly, the prepared raw materials are added into a melting furnace to be melted, then an aluminium alloy ingot is cast, the surface of the ingot is milled, and the surface-milled ingot is subjected to homogenization heat treatment and heating; and the aluminium alloy ingot is hot-rolled, annealed and cold-rolled, and finally an aluminium alloy plate is subjected to stabilization heat treatment to obtain the product. The product can solve the problem of low yield and unstable deep-drawing property caused by the low strength and nonuniform structure of an aluminium alloy in the prior art.
Description
Technical field
The present invention relates to a kind of aluminium alloy and production method thereof, be specifically related to a kind of aldural deep-draw bottle cap and production method thereof.
Background technology
In order to increase the demand of bottle cap material aluminium high strength, deep-draw, and the usage quantity of wine industry to bottle cap material aluminium increases gradually.Wine industry Working environment is very strict, this just requires that structured material possesses certain tensile strength, yield strength, elongation and the performance such as compressive resistance, deep-draw, consider structure and the environment for use of wine industry in addition, also need bottle material to have good food safety.And conventional bottle cap material aluminium sheet is difficult to performance and its security of meeting this deep-draw bottle cap material.
Summary of the invention
The technical problem to be solved in the present invention is: the performance and the security that are difficult to meet deep-draw bottle cap material in order to overcome existing conventional bottle cap material aluminium sheet, the invention provides a kind of aldural deep-draw bottle cap and production method thereof.Aldural of the present invention can solve the problem that yield rate is low and deep drawability is unstable that intensity of aluminum alloy existing for prior art is on the low side, uneven microstructure causes.
In order to solve the problem, the technical scheme that the present invention takes is:
The invention provides a kind of aldural deep-draw bottle cap, represent with weight percentage, the main raw material of described bottle cap consists of: Si<0.15%, Fe<0.38%, Cu<0.05%, Mn<0.1%, Mg2.2 ~ 2.35%, Cr0.16 ~ 0.22%, Zn<0.05%, Ti0.01 ~ 0.015%, all the other are Al.
A production method for above-mentioned aldural deep-draw bottle cap, described production method comprises the following steps:
A, cast aluminium alloy ingot casting: first prepare burden according to the proportion scale of above-mentioned aldural deep-draw bottle cap; The various raw materials of preparation are added smelting furnace, under 720 ~ 760 DEG C of conditions, carries out melting; After whole fusing, under 700 ~ 720 DEG C of conditions, casting machine is adopted to be cast as aluminium alloy cast ingot;
B, milling face: by gained aluminium alloy cast ingot milling face, require the one-sided milling face amount >=20mm in large face, little one-sided milling face amount >=10mm, ingot casting both sides thickness difference≤3mm;
C, the aluminium alloy cast ingot behind milling face carried out homogenizing thermal treatment and heats;
It is carry out heat treated in process furnace that described ingot casting carries out homogenizing thermal treatment, and the heating cycle of ingot casting in process furnace is: first stage ingot casting temperature is 500 ~ 510 DEG C, 12 ~ 14 hours heat-up times; Subordinate phase ingot casting temperature is 520 ~ 530 DEG C, and soaking time is 6 hours; Tapping temperature is 490 ~ 520 DEG C;
D, hot rolling: hot rolling is carried out to the aluminium alloy cast ingot of step c after heat treated, and uses emulsion to carry out lubrication and cooling, after process, obtain aluminum alloy plate materials;
E, steps d gained aluminum alloy plate materials is carried out process annealing;
F, by step e anneal after aluminum alloy plate materials carry out cold rolling, cold-rolled process is 1.2mm ~ 0.8mm ~ 0.55mm ~ 0.4mm ~ 0.25mm ~ 0.18mm;
G, the aluminum alloy plate materials after cold rolling is carried out Stabilizing Heat Treatment, obtain aluminum alloy plate materials finished product.
According to the production method of above-mentioned aldural deep-draw bottle cap, hot rolling described in steps d comprises hot roughing and hot finishing, and detailed process is: during hot roughing, emulsion pressure is 0.1 ~ 0.3MPa, and concentration is 3 ~ 8%, and after hot roughing, temperature is 390 ~ 450 DEG C; During hot finishing, emulsion pressure is 0.2 ~ 0.45MPa, and concentration is 3 ~ 8%, and compressed air pressure is 0.2 ~ 0.5MPa.
According to the production method of above-mentioned aldural deep-draw bottle cap, annealing process described in step e is: in annealing furnace, furnace gas temperature is set to 380 DEG C, when metal temperature reaches 325 DEG C, furnace gas temperature is adjusted to 350 DEG C, be incubated 2.5h with this understanding, metal final temperature is 328 ~ 330 DEG C.
According to the production method of above-mentioned aldural deep-draw bottle cap, Stabilizing Heat Treatment described in step f is: under furnace gas temperature 310 DEG C of conditions, be incubated 5h.
positive beneficial effect of the present invention:
1, aldural of the present invention can solve the problem that yield rate is low and deep drawability is unstable that intensity of aluminum alloy existing for prior art is on the low side, uneven microstructure causes.
2, product of the present invention can reduce effectively because the fluctuate inhomogeneous cooling, the aluminium slag that cause of casting such as to bring at the appearance of defect, thus improves the interior tissue of product, guarantees that interiors of products coarse grains situation produces.Can not only meet the need of market well like this, and the high strength of deep-draw bottle cap, the service requirements of surface exquisiteness can also be met.
3, product of the present invention is applicable to 5052 pop cans, the performance of products obtained therefrom of the present invention can meet the performance requriements of 5052 tear-off tin pull ring material completely, the salient features of products obtained therefrom detects data and is: trimmed size is 0.18mm*762.6mm*C, tensile strength is 285MPa, unit elongation is 4%, and yield strength is 259MPa.
embodiment:
Set forth the present invention further below in conjunction with embodiment, but do not limit content of the present invention.
Embodiment 1:
Aldural deep-draw bottle cap of the present invention, represent with weight percentage, the raw material of described bottle cap consists of: Si0.1%, Fe0.15%, Cu0.02%, Mn0.05%, Mg2.3%, Cr0.18%, Zn0.03%, Ti0.012%, and all the other are Al.
Embodiment 2:
The production method of aldural deep-draw bottle cap described in the embodiment of the present invention 1, detailed step is as follows:
A, cast aluminium alloy ingot casting: first prepare burden according to the proportion scale of aldural deep-draw bottle cap described in embodiment 1; The various raw materials of preparation are added smelting furnace, under 740 DEG C of conditions, carries out melting; After whole fusing, under 720 DEG C of conditions, casting machine is adopted to be cast as aluminium alloy cast ingot;
B, milling face: by gained aluminium alloy cast ingot milling face, require the one-sided milling face amount >=20mm in large face, little one-sided milling face amount >=10mm, ingot casting both sides thickness difference≤3mm;
C, the aluminium alloy cast ingot behind milling face carried out homogenizing thermal treatment and heats;
It is carry out heat treated in process furnace that described ingot casting carries out homogenizing thermal treatment, and the heating cycle of ingot casting in process furnace is: first stage ingot casting temperature is 500 DEG C, during heating 14 hours; Subordinate phase ingot casting temperature is 520 DEG C, and soaking time is 6 hours; Tapping temperature is 500 DEG C;
D, hot rolling: hot rolling is carried out to the aluminium alloy cast ingot of step c after heat treated, and uses emulsion to carry out lubrication and cooling, after process, obtain aluminum alloy plate materials;
During hot roughing, emulsion pressure is 0.2MPa, and concentration is 5%, and after hot roughing, temperature is 420 DEG C; During hot finishing, emulsion pressure is 0.3MPa, and concentration is 5%, and compressed air pressure is 0.4MPa;
E, steps d gained aluminum alloy plate materials is carried out process annealing;
Described annealing process is: in annealing furnace, furnace gas temperature is set to 380 DEG C, when metal temperature reaches 325 DEG C, furnace gas temperature is adjusted to 350 DEG C, is incubated 2.5h with this understanding, and metal final temperature is 328 ~ 330 DEG C;
F, by step e anneal after aluminum alloy plate materials carry out cold rolling, cold-rolled process is 1.2mm ~ 0.8mm ~ 0.55mm ~ 0.4mm ~ 0.25mm ~ 0.18mm;
G, the aluminum alloy plate materials after cold rolling is carried out Stabilizing Heat Treatment (described Stabilizing Heat Treatment is: be incubated 5h under furnace gas temperature 310 DEG C of conditions), obtain aluminum alloy plate materials finished product.
The correlated performance data of the present embodiment products obtained therefrom is: finished product thickness 0.18mm, and tensile strength is 288MPa, and unit elongation is 3%, and yield strength is 261MPa.
Embodiment 3:
Aldural deep-draw bottle cap of the present invention, represent with weight percentage, the raw material of described bottle cap consists of: Si0.05%, Fe0.2%, Cu0.03%, Mn0.03%, Mg2.2%, Cr0.16%, Zn0.04%, Ti0.015%, and all the other are Al.
Embodiment 4:
The production method of aldural deep-draw bottle cap described in the embodiment of the present invention 3, detailed step is as follows:
A, cast aluminium alloy ingot casting: first prepare burden according to the proportion scale of aldural deep-draw bottle cap described in embodiment 3; The various raw materials of preparation are added smelting furnace, under 720 DEG C of conditions, carries out melting; After whole fusing, under 700 DEG C of conditions, casting machine is adopted to be cast as aluminium alloy cast ingot;
B, milling face: by gained aluminium alloy cast ingot milling face, require the one-sided milling face amount >=20mm in large face, little one-sided milling face amount >=10mm, ingot casting both sides thickness difference≤3mm;
C, the aluminium alloy cast ingot behind milling face carried out homogenizing thermal treatment and heats;
It is carry out heat treated in process furnace that described ingot casting carries out homogenizing thermal treatment, and the heating cycle of ingot casting in process furnace is: first stage ingot casting temperature is 510 DEG C, during heating 12 hours; Subordinate phase ingot casting temperature is 530 DEG C, and soaking time is 6 hours; Tapping temperature is 520 DEG C;
D, hot rolling: hot rolling is carried out to the aluminium alloy cast ingot of step c after heat treated, and uses emulsion to carry out lubrication and cooling, after process, obtain aluminum alloy plate materials;
During hot roughing, emulsion pressure is 0.1MPa, and concentration is 3%, and after hot roughing, temperature is 390 DEG C; During hot finishing, emulsion pressure is 0.2MPa, and concentration is 3%, and compressed air pressure is 0.2MPa;
E, steps d gained aluminum alloy plate materials is carried out process annealing;
Described annealing process is: in annealing furnace, furnace gas temperature is set to 380 DEG C, when metal temperature reaches 325 DEG C, furnace gas temperature is adjusted to 350 DEG C, is incubated 2.5h with this understanding, and metal final temperature is 328 ~ 330 DEG C;
F, by step e anneal after aluminum alloy plate materials carry out cold rolling, cold-rolled process is 1.2mm ~ 0.8mm ~ 0.55mm ~ 0.4mm ~ 0.25mm ~ 0.18mm;
G, the aluminum alloy plate materials after cold rolling is carried out Stabilizing Heat Treatment (described Stabilizing Heat Treatment is: be incubated 5h under furnace gas temperature 310 DEG C of conditions), obtain aluminum alloy plate materials finished product.
The correlated performance data of the present embodiment products obtained therefrom is: finished product thickness 0.18mm, and tensile strength is 284MPa, and unit elongation is 4%, and yield strength is 258MPa.
Embodiment 5:
Aldural deep-draw bottle cap of the present invention, represent with weight percentage, the raw material of described bottle cap consists of: Si0.12%, Fe0.30%, Cu0.04%, Mn0.08%, Mg2.35%, Cr0.22%, Zn0.01%, Ti0.01%, and all the other are Al.
Embodiment 6:
The production method of aldural deep-draw bottle cap described in the embodiment of the present invention 5, detailed step is as follows:
A, cast aluminium alloy ingot casting: first prepare burden according to the proportion scale of aldural deep-draw bottle cap described in embodiment 5; The various raw materials of preparation are added smelting furnace, under 760 DEG C of conditions, carries out melting; After whole fusing, under 710 DEG C of conditions, casting machine is adopted to be cast as aluminium alloy cast ingot;
B, milling face: by gained aluminium alloy cast ingot milling face, require the one-sided milling face amount >=20mm in large face, little one-sided milling face amount >=10mm, ingot casting both sides thickness difference≤3mm;
C, the aluminium alloy cast ingot behind milling face carried out homogenizing thermal treatment and heats;
It is carry out heat treated in process furnace that described ingot casting carries out homogenizing thermal treatment, and the heating cycle of ingot casting in process furnace is: first stage ingot casting temperature is 505 DEG C, during heating 13 hours; Subordinate phase ingot casting temperature is 525 DEG C, and soaking time is 6 hours; Tapping temperature is 490 DEG C;
D, hot rolling: hot rolling is carried out to the aluminium alloy cast ingot of step c after heat treated, and uses emulsion to carry out lubrication and cooling, after process, obtain aluminum alloy plate materials;
During hot roughing, emulsion pressure is 0.3MPa, and concentration is 8%, and after hot roughing, temperature is 450 DEG C; During hot finishing, emulsion pressure is 0.45MPa, and concentration is 8%, and compressed air pressure is 0.5MPa;
E, steps d gained aluminum alloy plate materials is carried out process annealing;
Described annealing process is: in annealing furnace, furnace gas temperature is set to 380 DEG C, when metal temperature reaches 325 DEG C, furnace gas temperature is adjusted to 350 DEG C, is incubated 2.5h with this understanding, and metal final temperature is 328 ~ 330 DEG C;
F, by step e anneal after aluminum alloy plate materials carry out cold rolling, cold-rolled process is 1.2mm ~ 0.8mm ~ 0.55mm ~ 0.4mm ~ 0.25mm ~ 0.18mm;
G, the aluminum alloy plate materials after cold rolling is carried out Stabilizing Heat Treatment (described Stabilizing Heat Treatment is: be incubated 5h under furnace gas temperature 310 DEG C of conditions), obtain aluminum alloy plate materials finished product.
The correlated performance data of the present embodiment products obtained therefrom is: finished product thickness 0.18mm, and tensile strength is 283MPa, and unit elongation is 4%, and yield strength is 255MPa.
Embodiment 7:
Aldural deep-draw bottle cap of the present invention, represent with weight percentage, the raw material of described bottle cap consists of: Si0.06%, Fe0.1%, Cu0.01%, Mn0.04%, Mg2.25%, Cr0.20%, Zn0.03%, Ti0.014%, and all the other are Al.
Embodiment 8:
The production method of aldural deep-draw bottle cap described in the embodiment of the present invention 7, detailed step is as follows:
A, cast aluminium alloy ingot casting: first prepare burden according to the proportion scale of aldural deep-draw bottle cap described in embodiment 7; The various raw materials of preparation are added smelting furnace, under 730 DEG C of conditions, carries out melting; After whole fusing, under 720 DEG C of conditions, casting machine is adopted to be cast as aluminium alloy cast ingot;
B, milling face: by gained aluminium alloy cast ingot milling face, require the one-sided milling face amount >=20mm in large face, little one-sided milling face amount >=10mm, ingot casting both sides thickness difference≤3mm;
C, the aluminium alloy cast ingot behind milling face carried out homogenizing thermal treatment and heats;
It is carry out heat treated in process furnace that described ingot casting carries out homogenizing thermal treatment, and the heating cycle of ingot casting in process furnace is: first stage ingot casting temperature is 500 DEG C, during heating 12 hours; Subordinate phase ingot casting temperature is 520 DEG C, and soaking time is 6 hours; Tapping temperature is 500 DEG C;
D, hot rolling: hot rolling is carried out to the aluminium alloy cast ingot of step c after heat treated, and uses emulsion to carry out lubrication and cooling, after process, obtain aluminum alloy plate materials;
During hot roughing, emulsion pressure is 0.25MPa, and concentration is 6%, and after hot roughing, temperature is 430 DEG C; During hot finishing, emulsion pressure is 0.4MPa, and concentration is 6%, and compressed air pressure is 0.3MPa;
E, steps d gained aluminum alloy plate materials is carried out process annealing;
Described annealing process is: in annealing furnace, furnace gas temperature is set to 380 DEG C, when metal temperature reaches 325 DEG C, furnace gas temperature is adjusted to 350 DEG C, is incubated 2.5h with this understanding, and metal final temperature is 328 ~ 330 DEG C;
F, by step e anneal after aluminum alloy plate materials carry out cold rolling, cold-rolled process is 1.2mm ~ 0.8mm ~ 0.55mm ~ 0.4mm ~ 0.25mm ~ 0.18mm;
G, the aluminum alloy plate materials after cold rolling is carried out Stabilizing Heat Treatment (described Stabilizing Heat Treatment is: be incubated 5h under furnace gas temperature 310 DEG C of conditions), obtain aluminum alloy plate materials finished product.
The correlated performance data of the present embodiment products obtained therefrom is: finished product thickness 0.18mm, and tensile strength is 282MPa, and unit elongation is 3%, and yield strength is 254MPa.
Embodiment 9:
Aldural deep-draw bottle cap of the present invention, represent with weight percentage, the raw material of described bottle cap consists of: Si0.05%, Fe0.28%, Cu0.01%, Mn0.05%, Mg2.3%, Cr0.16%, Zn0.03%, Ti0.012%, and all the other are Al.
Embodiment 10:
The production method of aldural deep-draw bottle cap described in the embodiment of the present invention 9, detailed step is as follows:
A, cast aluminium alloy ingot casting: first prepare burden according to the proportion scale of aldural deep-draw bottle cap described in embodiment 9; The various raw materials of preparation are added smelting furnace, under 750 DEG C of conditions, carries out melting; After whole fusing, under 720 DEG C of conditions, casting machine is adopted to be cast as aluminium alloy cast ingot;
B, milling face: by gained aluminium alloy cast ingot milling face, require the one-sided milling face amount >=20mm in large face, little one-sided milling face amount >=10mm, ingot casting both sides thickness difference≤3mm;
C, the aluminium alloy cast ingot behind milling face carried out homogenizing thermal treatment and heats;
It is carry out heat treated in process furnace that described ingot casting carries out homogenizing thermal treatment, and the heating cycle of ingot casting in process furnace is: first stage ingot casting temperature is 500 DEG C, during heating 14 hours; Subordinate phase ingot casting temperature is 520 DEG C, and soaking time is 6 hours; Tapping temperature is 490 DEG C;
D, hot rolling: hot rolling is carried out to the aluminium alloy cast ingot of step c after heat treated, and uses emulsion to carry out lubrication and cooling, after process, obtain aluminum alloy plate materials;
During hot roughing, emulsion pressure is 0.2MPa, and concentration is 5%, and after hot roughing, temperature is 420 DEG C; During hot finishing, emulsion pressure is 0.3MPa, and concentration is 5%, and compressed air pressure is 0.4MPa;
E, steps d gained aluminum alloy plate materials is carried out process annealing;
Described annealing process is: in annealing furnace, furnace gas temperature is set to 380 DEG C, when metal temperature reaches 325 DEG C, furnace gas temperature is adjusted to 350 DEG C, is incubated 2.5h with this understanding, and metal final temperature is 328 ~ 330 DEG C;
F, by step e anneal after aluminum alloy plate materials carry out cold rolling, cold-rolled process is 1.2mm ~ 0.8mm ~ 0.55mm ~ 0.4mm ~ 0.25mm ~ 0.18mm;
G, the aluminum alloy plate materials after cold rolling is carried out Stabilizing Heat Treatment (described Stabilizing Heat Treatment is: be incubated 5h under furnace gas temperature 310 DEG C of conditions), obtain aluminum alloy plate materials finished product.
The correlated performance data of the present embodiment products obtained therefrom is: finished product thickness 0.18mm, and tensile strength is 285MPa, and unit elongation is 4%, and yield strength is 259MPa.
Claims (5)
1. an aldural deep-draw bottle cap, it is characterized in that, represent with weight percentage, the main raw material of described bottle cap consists of: Si<0.15%, Fe<0.38%, Cu<0.05%, Mn<0.1%, Mg2.2 ~ 2.35%, Cr0.16 ~ 0.22%, Zn<0.05%, Ti0.01 ~ 0.015%, all the other are Al.
2. a production method for aldural deep-draw bottle cap described in claim 1, it is characterized in that, described production method comprises the following steps:
A, cast aluminium alloy ingot casting: first prepare burden according to the proportion scale of aldural deep-draw bottle cap described in claim 1; The various raw materials of preparation are added smelting furnace, under 720 ~ 760 DEG C of conditions, carries out melting; After whole fusing, under 700 ~ 720 DEG C of conditions, casting machine is adopted to be cast as aluminium alloy cast ingot;
B, milling face: by gained aluminium alloy cast ingot milling face, require the one-sided milling face amount >=20mm in large face, little one-sided milling face amount >=10mm, ingot casting both sides thickness difference≤3mm;
C, the aluminium alloy cast ingot behind milling face carried out homogenizing thermal treatment and heats;
It is carry out heat treated in process furnace that described ingot casting carries out homogenizing thermal treatment, and the heating cycle of ingot casting in process furnace is: first stage ingot casting temperature is 500 ~ 510 DEG C, 12 ~ 14 hours heat-up times; Subordinate phase ingot casting temperature is 520 ~ 530 DEG C, and soaking time is 6 hours; Tapping temperature is 490 ~ 520 DEG C;
D, hot rolling: hot rolling is carried out to the aluminium alloy cast ingot of step c after heat treated, and uses emulsion to carry out lubrication and cooling, after process, obtain aluminum alloy plate materials;
E, steps d gained aluminum alloy plate materials is carried out process annealing;
F, by step e anneal after aluminum alloy plate materials carry out cold rolling, cold-rolled process is 1.2mm ~ 0.8mm ~ 0.55mm ~ 0.4mm ~ 0.25mm ~ 0.18mm;
G, the aluminum alloy plate materials after cold rolling is carried out Stabilizing Heat Treatment, obtain aluminum alloy plate materials finished product.
3. the production method of aldural deep-draw bottle cap according to claim 2, it is characterized in that, hot rolling described in steps d comprises hot roughing and hot finishing, and detailed process is: during hot roughing, emulsion pressure is 0.1 ~ 0.3MPa, concentration is 3 ~ 8%, and after hot roughing, temperature is 390 ~ 450 DEG C; During hot finishing, emulsion pressure is 0.2 ~ 0.45MPa, and concentration is 3 ~ 8%, and compressed air pressure is 0.2 ~ 0.5MPa.
4. the production method of aldural deep-draw bottle cap according to claim 2, it is characterized in that, annealing process described in step e is: in annealing furnace, furnace gas temperature is set to 380 DEG C, when metal temperature reaches 325 DEG C, furnace gas temperature is adjusted to 350 DEG C, be incubated 2.5h with this understanding, metal final temperature is 328 ~ 330 DEG C.
5. the production method of aldural deep-draw bottle cap according to claim 2, it is characterized in that, Stabilizing Heat Treatment described in step f is: under furnace gas temperature 310 DEG C of conditions, be incubated 5h.
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| CN106319292A (en) * | 2016-08-19 | 2017-01-11 | 河南明泰铝业股份有限公司 | Production method of aluminum plates and aluminum strips for cosmetic mirror surface aluminum caps |
| CN108642344A (en) * | 2018-05-30 | 2018-10-12 | 乳源东阳光优艾希杰精箔有限公司 | A kind of preparation method of aerosol bottle cap aluminium alloy |
| CN110952004A (en) * | 2018-09-27 | 2020-04-03 | 青海瑞合铝箔有限公司 | Aluminum alloy material for cosmetic bottle cap packaging and production process thereof |
| CN110964955A (en) * | 2019-12-19 | 2020-04-07 | 广西南南铝加工有限公司 | Production method of 5052 aluminum alloy wafer for electric cooker liner |
| CN111809089A (en) * | 2020-07-31 | 2020-10-23 | 河南泰鸿新材料有限公司 | 3004 aluminum alloy bottle cap material and preparation method thereof |
| CN114438381A (en) * | 2022-01-13 | 2022-05-06 | 河南泰鸿新材料有限公司 | High-strength, high-toughness and corrosion-resistant aluminum alloy plate and preparation method thereof |
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