CN106676442A - Heat treating and machining method for aluminum alloy plates - Google Patents
Heat treating and machining method for aluminum alloy plates Download PDFInfo
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- CN106676442A CN106676442A CN201611136725.9A CN201611136725A CN106676442A CN 106676442 A CN106676442 A CN 106676442A CN 201611136725 A CN201611136725 A CN 201611136725A CN 106676442 A CN106676442 A CN 106676442A
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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
- C22F1/053—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 zinc as the next major constituent
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
Abstract
The invention discloses a heat treating and machining method for aluminum alloy plates. The aluminum alloy plates comprise, by weight percentage, 6.5-7.3% of Zn, 1.2-1.8% of Mg, less than or equal to 0.05% of Si, less than or equal to 0.08% of Fe, less than or equal to 0.05% of Cu, less than or equal to 0.04% of other single elements and the balance Al. The method comprises the steps of mixing, smelting, refining, semi-continuous casting, homogenization heat treating, machining, pre-heating before ingot rolling, hot rolling, transversely cutting coiled materials into plates, solid solution and quenching heat treating, stretching and straightening, aging heat treating and sawing. The aluminum alloy plates have the advantages that the surface gloss is good, the defects are few, the strength of the oxidation film is high, the phenomenon that surface color is yellow can be avoided, and meanwhile, the high strength of the aluminum alloy is kept; and the method is particularly suitable for manufacturing structural parts of electronic products or decorative products of shells.
Description
Technical field
The present invention relates to the heat treatment and machining of non-ferrous metals casting technical field, especially a kind of aluminum alloy plate materials
Method.
Background technology
Aluminium alloy is to add a series of casting of other elements in fine aluminium to form, the conventional mechanical property of aluminum and aluminium alloy with
The difference of alloy species, state and each addition element content, its tensile strength can change between 50~800MPa, and it is bent
Taking intensity can change between 10~700MPa, and elongation percentage can change between 2%~50%.Compare other materials, and aluminum is closed
Gold utensil has the advantage that：Light weight, intensity are high, corrosion-resistant, nonhazardouss, good electrical and thermal conductivity performance, easy processing, incrustation performance are excellent
Good etc., aluminium alloy is in occupation of critical role in the range of every field.At present, the casting method of known aluminum alloy plate materials
Cast out at aluminum alloy round ingot Jing homogenization heat treatments, machining, the pre-heat treatment, hot rolling, crosscutting, solid solution and the quenching heat come
Aluminum alloy plate materials finished metal glossiness after reason, stretching, artificial aging, machining is dark, and surface has the table such as striped, heterochromatic
Planar defect.
The content of the invention
It is an object of the present invention to be directed to the problems referred to above, propose at a kind of heat of improved aluminum alloy plate materials
Reason and machining process.
The technical solution adopted for the present invention to solve the technical problems is：The first step：Dispensing, by the aluminium ingot for calculating, Zn
In intermediate alloy, Cu intermediate alloys input smelting furnace, Mg puts into magnesium with form of pure metal addition after aluminium ingot is completely melt
The percentage by weight of ingot, wherein composition is：Zn5.6~6.4%, Mg1.9~2.4%, Si0.06~0.12%, Fe0.09~
0.15%th, Cu0.06~0.09%, other individual element content≤0.04%, balance of Al percentage by weights；Second step：Melting, throws
After entering magnesium ingot, carrying out abundant electromagnetic agitation, skim, sample analysis carry out composition adjustment in stokehold, melting holding temperature is 690~
720 DEG C, smelting time is less than 8h；3rd step：Melt is proceeded to and be passed through in holding furnace chlorine+argon mixed gas and enter by refine, a.
Row refine, chlorine accounts for the 8~20% of argon and chlorine mixed gas total amount, and refining temperature is 710~740 DEG C, and refining time is less than
2h；B. stand<3h；C. online degasification, slagging-off：Chlorine+argon mixed gas are passed through in depassing unit carries out degasification, and chlorine is accounted for
The 13~25% of argon and chlorine mixed gas total amount, defecator carries out filter cleaner using 30ppi or 40ppi screen plates；The
Four steps：Semi-continuous casting, using the aluminum alloy round ingot of direct water-cooling semi-continuous casting, casting temperature is 680~715 DEG C, cooling
Discharge is 100~330m3/ hr, casting speed is 20~60mm/min, crystallizer 40~100mm of metal liquid level, is not added online
Plus any grain refiner；5th step：Homogenization heat treatment；6th step：Machining；7th step：Before ingot rolling at preheating
Reason；8th step：Hot rolling；9th step：Coiled material is crosscutting into sheet material；Tenth step：Solid solution and quenching heat treatment；Tenth-step：Stretching is rectified
Directly, the 12nd step：Aging strengthening model；13rd step：Cutting indexes.Aluminum is cast out in the 5th described step homogenization heat treatment
Alloy billet put into heat-treatment furnace in carry out low temperature it is long when homogenization heat treatment, heating rate be 20~80 DEG C/h, holding temperature
For 350~500 DEG C, temperature retention time is 12~60h；In the 6th described step machining, aluminum alloy round ingot after heat treatment,
Each 80~the 300mm of crop, back-end crop, 5~25mm of railway carriage are carried out with lathe, the Sawing Process of sawing machine is saw band speed：1600~
2500m/mn；Saw cutting speed：20~80dm2/ mn, 60~300mm/mn；Charging rate：30~80%, 20~100mm/mn；Material
Platform speed：25~120mm/mn, according to above-mentioned technique by aluminum alloy round ingot along thickness median surface one-to-two；In the 7th described step
Before ingot rolling in the pre-heat treatment, machined aluminum alloy round ingot is put into and carry out in heat-treatment furnace the pre-heat treatment, preheating temperature
Spend for 160~220 DEG C, temperature retention time is 8~12min；In the 8th described step hot rolling, a. Bian can not backheating with IHI four-rollers
Milling train hot rolling；B. roll-force is 300~600t；C. mill speed is 100~400m/min；D. uncoiling tension is 13~22MPa；
E. coiling tension is 18~30MPa；F. hot rolled 4 passages aluminium alloy coiled strip hot rolling rate is 80~90%；Described
9th step is crosscutting in sheet material by coiled material, and coiled strip is cut into into sheet material with transverse cutting unit；In the tenth described step solid solution and quenching heat
In process, solution heat treatment is carried out in roll body stove, aluminum alloy plate materials are heated to into 520~580 DEG C of solid solubility temperature, constant temperature keeps
2~3h, then carries out quenching heat treatment, aluminum alloy plate materials is taken out from roll body stove and is rapidly quenched in 60~80 DEG C of water, makes aluminum
Sheet alloy chilling is simultaneously cooled to room temperature in water；In described the tenth once step stretching aligning, aluminium alloy plate timber-used stretching-machine enters
Row aligning；In the 12nd described step aging strengthening model, aluminum alloy plate materials carry out aging strengthening model in heat-treatment furnace, heating
To for 170~180 DEG C, temperature retention time is 5~20h, comes out of the stove and is air cooled to room temperature；In the 13rd described step Cutting indexes, aluminum
Sheet alloy carries out sawing Jing after artificial aging with sawing machine：Saw cutting speed：20~100dm2/ mn, 80~320mm/mn；Charging
Speed：40~80%, 20~100mm/mn；Material platform speed：25~120mm/mn, according to above-mentioned technique different size is processed into
Aluminum alloy plate materials are 4~8mm × 800~2700mm × 3000~7000mm specifications.
The invention has the beneficial effects as follows：The aluminum alloy sheet material surface glossiness is good, defect is few, oxidation film-strength is high, will not
There is surface color partially yellow, while remaining the high advantage of intensity of aluminum alloy, be particularly suitable for manufacturing the structure of electronic product
Part or shell decorative product.
Specific embodiment
Embodiment 1：
A kind of heat treatment and machining process of aluminum alloy plate materials of the present embodiment, including following several steps：The first step：Match somebody with somebody
Material, by the aluminium ingot for calculating, Zn intermediate alloys, Cu intermediate alloys input smelting furnace, Mg treats aluminium ingot with form of pure metal addition
In input magnesium ingot after being completely melt, the percentage by weight of wherein composition is：Zn5.6%、Mg1.9%、Si0.06%、Fe0.09%、
Cu0.06%, other individual element content≤0.04%, balance of Al percentage by weights；Second step：Melting, after input magnesium ingot, enters
The abundant electromagnetic agitation of row, skim, in stokehold, sample analysis carry out composition adjustment, and melting holding temperature is 690 DEG C, and smelting time is little
In 8h；3rd step：Melt is proceeded to and be passed through in holding furnace chlorine+argon mixed gas and carry out refine by refine, a., and chlorine accounts for argon
With the 8% of chlorine mixed gas total amount, refining temperature is 710 DEG C, and refining time is less than 2h；B. stand<3h；C. online degasification, remove
Slag：Chlorine+argon mixed gas are passed through in depassing unit carries out degasification, and chlorine accounts for argon and chlorine mixed gas total amount
13%, defecator carries out filter cleaner using 30ppi or 40ppi screen plates；4th step：Semi-continuous casting, using direct water-cooling
The aluminum alloy round ingot of semi-continuous casting, casting temperature is 680 DEG C, and cooling water flow is 100m3/ hr, casting speed is 20mm/
Min, crystallizer metal liquid level 40mm, do not add online any grain refiner；5th step：Homogenization heat treatment, casts out aluminum
Alloy billet put into heat-treatment furnace in carry out low temperature it is long when homogenization heat treatment, heating rate be 20 DEG C/h, holding temperature is 350
DEG C, temperature retention time is 12h；6th step：Machining, aluminum alloy round ingot after heat treatment, carries out crop, back-end crop each with lathe
80mm, railway carriage 5mm, the Sawing Process of sawing machine is saw band speed：1600m/mn；Saw cutting speed：20dm2/ mn, 60mm/mn；Charging
Speed：30%, 20mm/mn；Material platform speed：25mm/mn, according to above-mentioned technique by aluminum alloy round ingot along thickness median surface one-to-two；
7th step：The pre-heat treatment before ingot rolling, machined aluminum alloy round ingot to be put into and carry out the pre-heat treatment in heat-treatment furnace, in advance
Hot temperature is 160 DEG C, and temperature retention time is 8min；8th step：Hot rolling, a. Bian irreversible hot-rolling mill hot rollings of IHI four-rollers；B. roll
Power is 300t；C. mill speed is 100m/min；D. uncoiling tension is 13MPa；E. coiling tension is 18MPa；F. hot rolled 4
Passage aluminium alloy coiled strip hot rolling rate is 80%；9th step：Coiled material is crosscutting into sheet material, coiled strip is cut into transverse cutting unit
Sheet material；Tenth step：Solid solution and quenching heat treatment, carry out solution heat treatment in roll body stove, and aluminum alloy plate materials are heated to into solid solution
520 DEG C of temperature, constant temperature keeps 2h, then carries out quenching heat treatment, aluminum alloy plate materials is taken out from roll body stove and is rapidly quenched into 60
In DEG C water, enable aluminum alloy to sheet material chilling and be cooled to room temperature in water；11st step：Tension straingtening, aluminium alloy plate timber-used stretching-machine
Aligned；12nd step：Aging strengthening model, aluminum alloy plate materials carry out aging strengthening model in heat-treatment furnace, are heated to as 170
DEG C, temperature retention time is 5h, comes out of the stove and is air cooled to room temperature；13rd step：Cutting indexes, aluminum alloy plate materials Jing after artificial aging, with saw
Bed carries out sawing：Saw cutting speed：20dm2/ mn, 80mm/mn；Charging rate：40%, 20mm/mn；Material platform speed：25mm/mn, presses
The aluminum alloy plate materials for being processed into different size according to above-mentioned technique are 4mm × 800mm × 3000mm specifications.
Embodiment 2：
A kind of heat treatment and machining process of aluminum alloy plate materials of the present embodiment, including following several steps：The first step：Match somebody with somebody
Material, by the aluminium ingot for calculating, Zn intermediate alloys, Cu intermediate alloys input smelting furnace, Mg treats aluminium ingot with form of pure metal addition
In input magnesium ingot after being completely melt, the percentage by weight of wherein composition is：Zn6.0%、Mg2.15%、Si0.09%、Fe0.12%、
Cu0.075%, other individual element content≤0.04%, balance of Al percentage by weights；Second step：Melting, after input magnesium ingot, enters
The abundant electromagnetic agitation of row, skim, in stokehold, sample analysis carry out composition adjustment, and melting holding temperature is 705 DEG C, and smelting time is little
In 8h；3rd step：Melt is proceeded to and be passed through in holding furnace chlorine+argon mixed gas and carry out refine by refine, a., and chlorine accounts for argon
With the 14% of chlorine mixed gas total amount, refining temperature is 725 DEG C, and refining time is less than 2h；B. stand<3h；C. online degasification,
Slagging-off：Chlorine+argon mixed gas are passed through in depassing unit carries out degasification, and chlorine accounts for argon and chlorine mixed gas total amount
19%, defecator carries out filter cleaner using 30ppi or 40ppi screen plates；4th step：Semi-continuous casting, using direct water-cooling
The aluminum alloy round ingot of semi-continuous casting, casting temperature is 695 DEG C, and cooling water flow is 215m3/ hr, casting speed is 40mm/
Min, crystallizer metal liquid level 70mm, do not add online any grain refiner；5th step：Homogenization heat treatment, casts out aluminum
Alloy billet put into heat-treatment furnace in carry out low temperature it is long when homogenization heat treatment, heating rate be 50 DEG C/h, holding temperature is 425
DEG C, temperature retention time is 36h；6th step：Machining, aluminum alloy round ingot after heat treatment, carries out crop, back-end crop each with lathe
190mm, railway carriage 15mm, the Sawing Process of sawing machine is saw band speed：2050m/mn；Saw cutting speed：50dm2/ mn, 180mm/mn；
Charging rate：55%, 60mm/mn；Material platform speed：72.5mm/mn, according to above-mentioned technique by aluminum alloy round ingot along thickness median surface
One-to-two；7th step：The pre-heat treatment before ingot rolling, machined aluminum alloy round ingot is put into and preheated in heat-treatment furnace
Process, preheating temperature is 190 DEG C, and temperature retention time is 10min；8th step：Hot rolling, a. Bian irreversible hot-rolling mill heat of IHI four-rollers
Roll；B. roll-force is 450t；C. mill speed is 250m/min；D. uncoiling tension is 17.5MPa；E. coiling tension is 24MPa；
F. hot rolled 4 passages aluminium alloy coiled strip hot rolling rate is 85%；9th step：Coiled material is crosscutting into sheet material, will with transverse cutting unit
Coiled strip is cut into sheet material；Tenth step：Solid solution and quenching heat treatment, carry out solution heat treatment, by aluminum alloy plate materials in roll body stove
550 DEG C of solid solubility temperature is heated to, constant temperature keeps 2.5h, then carries out quenching heat treatment, aluminum alloy plate materials are taken from roll body stove
In going out rapidly quench 70 DEG C of water, enable aluminum alloy to sheet material chilling and be cooled to room temperature in water；11st step：Tension straingtening, aluminium alloy
Sheet material is aligned with stretching-machine；12nd step：Aging strengthening model, aluminum alloy plate materials are carried out at timeliness heat in heat-treatment furnace
Reason, is heated to as 175 DEG C, and temperature retention time is 12.5h, comes out of the stove and is air cooled to room temperature；13rd step：Cutting indexes, aluminum alloy plate materials
Jing after artificial aging, with sawing machine sawing is carried out：Saw cutting speed：60dm2/ mn, 220mm/mn；Charging rate：60%, 60mm/mn；
Material platform speed：72.5mm/mn, according to above-mentioned technique be processed into different size aluminum alloy plate materials be 6mm × 1750mm ×
5000mm specifications.
Embodiment 3：
A kind of heat treatment and machining process of aluminum alloy plate materials of the present embodiment, including following several steps：The first step：Match somebody with somebody
Material, by the aluminium ingot for calculating, Zn intermediate alloys, Cu intermediate alloys input smelting furnace, Mg treats aluminium ingot with form of pure metal addition
In input magnesium ingot after being completely melt, the percentage by weight of wherein composition is：Zn6.4%、Mg2.4%、Si0.12%、Fe0.15%、
Cu0.09%, other individual element content≤0.04%, balance of Al percentage by weights；Second step：Melting, after input magnesium ingot, enters
The abundant electromagnetic agitation of row, skim, in stokehold, sample analysis carry out composition adjustment, and melting holding temperature is 720 DEG C, and smelting time is little
In 8h；3rd step：Melt is proceeded to and be passed through in holding furnace chlorine+argon mixed gas and carry out refine by refine, a., and chlorine accounts for argon
With the 20% of chlorine mixed gas total amount, refining temperature is 740 DEG C, and refining time is less than 2h；B. stand<3h；C. online degasification,
Slagging-off：Chlorine+argon mixed gas are passed through in depassing unit carries out degasification, and chlorine accounts for argon and chlorine mixed gas total amount
25%, defecator carries out filter cleaner using 30ppi or 40ppi screen plates；4th step：Semi-continuous casting, using direct water-cooling
The aluminum alloy round ingot of semi-continuous casting, casting temperature is 715 DEG C, and cooling water flow is 330m3/ hr, casting speed is 60mm/
Min, crystallizer metal liquid level 100mm, do not add online any grain refiner；5th step：Homogenization heat treatment, casts out aluminum
Alloy billet put into heat-treatment furnace in carry out low temperature it is long when homogenization heat treatment, heating rate be 80 DEG C/h, holding temperature is 500
DEG C, temperature retention time is 60h；6th step：Machining, aluminum alloy round ingot after heat treatment, carries out crop, back-end crop each with lathe
300mm, railway carriage 25mm, the Sawing Process of sawing machine is saw band speed：2500m/mn；Saw cutting speed：80dm2/ mn, 300mm/mn；
Charging rate：80%, 100mm/mn；Material platform speed：120mm/mn, according to above-mentioned technique by aluminum alloy round ingot along thickness median surface
One-to-two；7th step：The pre-heat treatment before ingot rolling, machined aluminum alloy round ingot is put into and preheated in heat-treatment furnace
Process, preheating temperature is 220 DEG C, and temperature retention time is 12min；8th step：Hot rolling, a. Bian irreversible hot-rolling mill heat of IHI four-rollers
Roll；B. roll-force is 600t；C. mill speed is 400m/min；D. uncoiling tension is 22MPa；E. coiling tension is 30MPa；f.
Hot rolled 4 passages aluminium alloy coiled strip hot rolling rate is 90%；9th step：Coiled material is crosscutting into sheet material, will be rolled up with transverse cutting unit
Band is cut into sheet material；Tenth step：Solid solution and quenching heat treatment, carry out solution heat treatment in roll body stove, by aluminum alloy plate materials plus
Then heat carry out quenching heat treatment to 580 DEG C of solid solubility temperature, constant temperature holding 3h, and aluminum alloy plate materials are taken out into anxious from roll body stove
Speed is quenched in 80 DEG C of water, is enabled aluminum alloy to sheet material chilling and is cooled to room temperature in water；11st step：Tension straingtening, aluminum alloy plate materials
Aligned with stretching-machine；12nd step：Aging strengthening model, aluminum alloy plate materials carry out aging strengthening model in heat-treatment furnace, plus
To being 180 DEG C, temperature retention time is 20h to heat, comes out of the stove and is air cooled to room temperature；13rd step：Cutting indexes, when aluminum alloy plate materials Jing is artificial
After effect, with sawing machine sawing is carried out：Saw cutting speed：100dm2/ mn, 320mm/mn；Charging rate：80%, 100mm/mn；Material platform speed
Degree：120mm/mn, the aluminum alloy plate materials for being processed into different size according to above-mentioned technique are 8mm × 2700mm × 7000mm specifications.
The specific embodiment of the present 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 (1)
1. a kind of heat treatment and machining process of aluminum alloy plate materials, including following several steps：The first step：Dispensing, will count
In good aluminium ingot, Zn intermediate alloys, Cu intermediate alloys input smelting furnace, Mg treats that aluminium ingot melts completely with form of pure metal addition
In input magnesium ingot after change, the percentage by weight of wherein composition is：Zn5.6~6.4%, Mg1.9~2.4%, Si0.06~0.12%,
Fe0.09~0.15%, Cu0.06~0.09%, other individual element content≤0.04%, balance of Al percentage by weights；Second
Step：Melting, after input magnesium ingot, carries out abundant electromagnetic agitation, skims, and in stokehold, sample analysis carry out composition adjustment, melting insulation
Temperature is 690~720 DEG C, and smelting time is less than 8h；3rd step：Melt is proceeded to and be passed through in holding furnace chlorine+argon by refine, a.
Mixed gas carry out refine, and chlorine accounts for the 8~20% of argon and chlorine mixed gas total amount, and refining temperature is 710~740 DEG C, essence
The refining time is less than 2h；B. stand<3h；C. online degasification, slagging-off：Chlorine+argon mixed gas are passed through in depassing unit to be carried out
Degasification, chlorine accounts for the 13~25% of argon and chlorine mixed gas total amount, and defecator is carried out using 30ppi or 40ppi screen plates
Filter cleaner；4th step：Semi-continuous casting, using the aluminum alloy round ingot of direct water-cooling semi-continuous casting, casting temperature is 680~
715 DEG C, cooling water flow is 100~330m3/ hr, casting speed be 20~60mm/min, crystallizer metal liquid level 40~
100mm, does not add online any grain refiner；5th step：Homogenization heat treatment；6th step：Machining；7th step：Casting
The pre-heat treatment before ingot rolling；8th step：Hot rolling；9th step：Coiled material is crosscutting into sheet material；Tenth step：Solid solution and quenching heat treatment；The
Ten-step：Tension straingtening, the 12nd step：Aging strengthening model；13rd step：Cutting indexes, it is characterised in that：The described the 5th
Step homogenization heat treatment in cast out aluminum alloy round ingot put into heat-treatment furnace in carry out low temperature it is long when homogenization heat treatment, heat up speed
Rate is 20~80 DEG C/h, and holding temperature is 350~500 DEG C, and temperature retention time is 12~60h；In the 6th described step machining
In, aluminum alloy round ingot after heat treatment, each 80~300mm of crop, back-end crop, 5~25mm of railway carriage, the sawing of sawing machine is carried out with lathe
Technique is saw band speed：1600~2500m/mn；Saw cutting speed：20~80dm2/ mn, 60~300mm/mn；Charging rate：30
~80%, 20~100mm/mn；Material platform speed：25~120mm/mn, according to above-mentioned technique by aluminum alloy round ingot along thickness median surface
One-to-two；In the pre-heat treatment before the 7th described step ingot rolling, machined aluminum alloy round ingot puts into heat-treatment furnace
In carry out the pre-heat treatment, preheating temperature is 160~220 DEG C, and temperature retention time is 8~12min；In the 8th described step hot rolling,
A. the Bian irreversible hot-rolling mill hot rollings of IHI four-rollers；B. roll-force is 300~600t；C. mill speed is 100~400m/min；
D. uncoiling tension is 13~22MPa；E. coiling tension is 18~30MPa；F. hot rolled 4 passages aluminium alloy coiled strip hot rolling adds
Work rate is 80~90%；It is in the 9th described step that coiled material is crosscutting in sheet material, coiled strip is cut into into sheet material with transverse cutting unit；Institute
In the tenth step solid solution stated and quenching heat treatment, solution heat treatment is carried out in roll body stove, aluminum alloy plate materials are heated to into solid solution
520~580 DEG C of temperature, constant temperature keeps 2~3h, then carries out quenching heat treatment, and aluminum alloy plate materials are taken out into anxious from roll body stove
Speed is quenched in 60~80 DEG C of water, is enabled aluminum alloy to sheet material chilling and is cooled to room temperature in water；Align in the tenth described once step stretching
In, aluminium alloy plate timber-used stretching-machine is aligned；In the 12nd described step aging strengthening model, aluminum alloy plate materials are in heat treatment
Aging strengthening model is carried out in stove, is heated to as 170~180 DEG C, temperature retention time is 5~20h, comes out of the stove and is air cooled to room temperature；Described
The 13rd step Cutting indexes in, aluminum alloy plate materials carry out sawing Jing after artificial aging with sawing machine：Saw cutting speed：20~
100dm2/ mn, 80~320mm/mn；Charging rate：40~80%, 20~100mm/mn；Material platform speed：25~120mm/mn, presses
The aluminum alloy plate materials for being processed into different size according to above-mentioned technique are 4~8mm × 800~2700mm × 3000~7000mm specifications.
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| CN108642331A (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 6181 aluminium alloys and preparation method thereof for Automobile Plate |
| CN109306418A (en) * | 2018-11-28 | 2019-02-05 | 中南大学 | Novel 7 line aluminium alloy material and its manufacturing method based on founding and hot extrusion |
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| CN110144473A (en) * | 2019-04-23 | 2019-08-20 | 佛山市港洪金属建材有限公司 | A kind of production technology and detection method of alloy aluminium sheet |
| CN110343981A (en) * | 2019-07-04 | 2019-10-18 | 怀化市科捷铝业科技有限公司 | A kind of production method of 6061 super flat aluminium alloy plate |
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| CN114107763A (en) * | 2020-08-26 | 2022-03-01 | 宝山钢铁股份有限公司 | Novel 7XXX aluminum alloy thin strip for thin strip continuous casting and preparation method thereof |
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| CN108642331A (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 6181 aluminium alloys and preparation method thereof for Automobile Plate |
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| CN109457150A (en) * | 2018-12-05 | 2019-03-12 | 天津忠旺铝业有限公司 | A kind of container 7 line aluminium alloys and its processing technology |
| CN110144473A (en) * | 2019-04-23 | 2019-08-20 | 佛山市港洪金属建材有限公司 | A kind of production technology and detection method of alloy aluminium sheet |
| CN110343981A (en) * | 2019-07-04 | 2019-10-18 | 怀化市科捷铝业科技有限公司 | A kind of production method of 6061 super flat aluminium alloy plate |
| CN110699576A (en) * | 2019-10-24 | 2020-01-17 | 广西南南铝加工有限公司 | Preparation process of high-strength aluminum alloy precision casting plate |
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| CN112030018A (en) * | 2020-08-18 | 2020-12-04 | 广西南南铝加工有限公司 | Preparation method of 6-series aluminum alloy thick plate |
| CN114107763A (en) * | 2020-08-26 | 2022-03-01 | 宝山钢铁股份有限公司 | Novel 7XXX aluminum alloy thin strip for thin strip continuous casting and preparation method thereof |
| CN114107763B (en) * | 2020-08-26 | 2023-02-14 | 宝山钢铁股份有限公司 | Thin strip continuous casting 7XXX aluminum alloy thin strip and preparation method thereof |
| CN113305585A (en) * | 2021-06-07 | 2021-08-27 | 湖北欣洁顺幕墙材料有限公司 | Manufacturing process of aluminum alloy plate for environment-friendly curtain wall material |
| CN115612952A (en) * | 2022-11-07 | 2023-01-17 | 中国航发北京航空材料研究院 | Method for producing large-size aluminum alloy medium-thickness wide plate by using large-size aluminum alloy ingot |
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