CN104357711B - A kind of intelligence freezer heat radiation aluminum foil and manufacture method thereof - Google Patents
A kind of intelligence freezer heat radiation aluminum foil and manufacture method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of intelligence freezer heat radiation aluminum foil, its thickness is 0.097 �� 0.003mm, and the chemical composition of this aluminium foil is by mass percentage: Fe:0.8��0.90%, Si:0.6��0.65%, Mn:0.25��0.30%, Mg :��0.03%, Cu :��0.03%, Zn :��0.03%, Sn :��0.03%, Ti:0.03��0.06%, surplus is Al and inevitable impurity, single content��0.05% of inevitable impurity, inevitable impurity adds up to content��0.15%. Its technological process be batching �� melting �� continuous casting and rolling �� cold rolling �� heavy cut roll limit �� cold rolling �� paper tinsel roll �� draw curved strong cleanings aligning �� thick cut cut �� finished products �� inspection packs. The heat dispersion excellence of this aluminium foil and non-deformability, deep drawability and flange height all meet the service requirements of air-cooled radiator.
Description
Technical field
The invention belongs to aluminium foil and manufacture field thereof, it is specifically related to a kind of aluminium foil and the manufacture method thereof with high efficient heat dissipation performance.
Background technology
Intelligence freezer be mainly used in melon and fruit, vegetables fresh-keeping, its storage temperature directly affects the storage quality of vegetables, and storage temperature is higher, and the moisture loss of vegetables is relatively big, and period of storage shortens; Storage temperature is on the low side, can produce " freeze injury ", causes vegetables and fruits to damage. Intelligence freezer scatterer mainly based on air-cooled radiator, to ensure that storage temperature is at the optimum temperature range of 0��15 DEG C.
Air-cooled radiator is compared with liquid cooling heat radiator, and the cooling medium adopted is different, thermal resistance is different, and by the impact of ambient air temperature, air-cooled radiator radiating effect has certain limitation. But, air-cooled radiator structure is simple, installation is easy, cheap, popularization strong, and the main flow being still on market is selected. At present, intelligence freezer aluminium foil is 8011 alloys, and Product Status is H22 state, and thickness �� width specifications is 0.22 �� 410mm and 0.22 �� 345mm, and its mechanical property is: tensile strength is 115��125MPa, material unit elongation >=20%, Erichsen number >=7.0mm. In theory, under equal-volume air-cooled radiator profile, heat radiation area must be increased for improving scatterer cooling-down effect further, and increase one of effective ways of heat radiation area, subtract thin radiator element exactly when same alloy same volume and aluminum foil thickness reduces thermal resistance to reach and improves radiating effect. But, along with subtracting of aluminum foil thickness is thin, the component of heat radiator fin bears that stress is corresponding also can be reduced, very easily deform under the high wind speed of blower fan 1500m/min, therefore, for keeping heatsink fins sheet element to have high resistance to deformation and anti-loosening ability, the tensile strength improving aluminium foil while subtracting thin aluminum foil thickness is also the technical barrier that those skilled in the art need to consider. In addition, when aluminium foil subtracts thin, for keeping aluminium foil still to have good deep drawability and flange height, it is necessary to guarantee that aluminium foil has high unit elongation and Erichsen number.
To sum up, under the prerequisite subtracting thin aluminium foil and improving its radiating effect, it is to increase the tensile strength of aluminium foil, air-cooled radiator service requirements is the problem that those skilled in the art's needs solve to meet to ensure it to have high unit elongation and Erichsen number.
Summary of the invention
Technical problem to be solved by this invention provides a kind of heat radiation aluminum foil for above-mentioned prior art, it is particularly suitable for the radiating fin of manufacturing intelligence freezer air-cooled radiator, can effectively improve the radiating effect of scatterer, and excellent property, non-deformability, deep drawability and flange height all meet the service requirements of air-cooled radiator.
Another technical problem to be solved by this invention is to provide the manufacture method of a kind of above-mentioned heat radiation aluminum foil.
The present invention's technical scheme adopted that solves the problem is: a kind of intelligence freezer heat radiation aluminum foil, its thickness is 0.097 �� 0.003mm, the chemical composition of this aluminium foil is by mass percentage: Fe:0.8��0.90%, Si:0.6��0.65%, Mn:0.25��0.30%, Mg :��0.03%, Cu :��0.03%, Zn :��0.03%, Sn :��0.03%, Ti:0.03��0.06%, surplus is Al and inevitable impurity, single content��0.05% of inevitable impurity, inevitable impurity adds up to content��0.15%.
Further, the tensile strength of described aluminium foil is 140��150MPa, unit elongation >=20%, Erichsen number >=7.0mm, thermal conductivity >=212W/ (m K) when 25 DEG C.
The chemical composition of heat radiation aluminum foil of the present invention and the installation warrants of content are as follows:
Adding the Mn of the Fe of 0.80��0.90wt%, the Si and 0.25��0.30wt% of 0.60��0.65wt% in Al, alloy easily forms FeAl3��MnAl6, �� (Al12Fe3Si2) and (Fe, Mn) Al6Deng two-phase compound, it is possible to improve intensity and the recrystallization temperature of alloy. �� (Al12Fe3Si2), MnAl6Recrystal grain has been grown up inhibition by compound disperse particle, it is possible to effectively refinement recrystal grain, it is to increase the tensile strength of alloy; Meanwhile, MnAl6Impurity F e can also be dissolved, form (Fe, Mn) Al6Compound, thus reduce FeAl3Acicular compounds, to the disadvantageous effect of mechanical property, ensures the plasticity of alloy; In addition, (Fe, Mn) Al6The electropotential of compound is roughly equal with the current potential of pure aluminium, greatly reduces the potential difference of aluminium foil inside, and can improve the erosion resistance of alloy.
Ti is addition element conventional in aluminium alloy, with AlTi5B filamentous form adds Al melt, forms Al3Ti and B2Ti phase compound, non-spontaneous nucleation when becoming crystallization, plays a part refinement casting tissue, is conducive to the raising of alloy plasticity.
It is a kind of method manufacturing above-mentioned intelligence freezer heat radiation aluminum foil that the present invention solves the technical scheme that another technical problem adopts, and step is as follows:
(1) strand: meeting the heating raw materials melting of stoichiometric ratio, before aluminium liquid, case temperature controls between 693��697 DEG C, even casts out the thick cast-rolling stock of 7.0��8.0mm with the roll casting speed of 750��800mm/min afterwards;
(2) roll: adopt cold-rolling process that blank obtained in step (1) is first rolled into the thick cold rolling blank of 3.2��3.8mm, cold rolling again make the thick cold rolling blank of 1.7��2.3mm, cold rolling further make the thick cold rolling blank of 0.8��1.4mm, finally cold rolling make the thick cold rolling blank of 0.53��0.73mm, through heavy cut roll limit to predetermined width, and it is thick to be again cold-rolled to 0.32��0.38mm, then carrying out paper tinsel and roll production, paper tinsel is rolled to that 0.17��0.23mm is thick, 0.12��0.14mm is thick and 0.097 �� 0.003mm of finished product thickness successively;
(3) finishing: the blank that paper tinsel is rolled to finished product thickness carries out cleaning aligning and shearing a point bar, is curled into the aluminum foil coil of required volume external diameter and shape;
(4) anneal: the aluminum foil coil that step (3) is obtained is put into heat treatment furnace, in one hour, furnace temperature is risen to 230 DEG C, and it is incubated 3 hours under 230 DEG C of furnace temperature states, again furnace temperature is increased to 300��320 DEG C, it is incubated 26��30 hours, then control furnace temperature in 0.5 hour, drop to 180��200 DEG C, then control heat treatment furnace and stop heating, aluminum foil coil furnace cooling, comes out of the stove after aluminum foil coil surface temperature is lower than 30 DEG C, namely obtains aluminum foil finished product;
(5) test package: whether every performance of inspection aluminum foil finished product meets technical indicator, and is packed by the aluminum foil finished product being up to the standards.
Preferably, casting process described in step (1) adopts level Four melt filtration process, level Four screen plate order number be respectively online front 30ppi, in a 50ppi, in two 60ppi, rear 70ppi, center segregation can not be had as principle taking cast-rolling stock transverse section low power tissue, can effectively reduce the hydrogen richness in cast-rolling stock transverse section and inclusion content, thus increase the actual heat-conducting area of aluminium foil, it is to increase heat dispersion.
Preferably, what clean described in step (3) that aligning adopts is draw curved strong technique, and what described shearing divided that bar adopts is thick paper tinsel shearing process, makes the aluminum foil finished product surfacing cleaning obtained, and the planeness meeting finished product aluminium foil is less than 3I, the specification of quality that plate shape is excellent.
The manufacturing process of above-mentioned intelligence freezer heat radiation aluminum foil not only increases the resistance to deformation of aluminium foil, also improves the thermal conductivity of alloy, is conducive to strengthening the heat dispersion of aluminium foil, and its process characteristic is as follows:
The heat dispersion of material and its thermal resistance have direct correlation, thermal resistance=thickness/thermal conductivity, if the material of material is constant, so, thermal conductivity is fixing, and thickness is more thin, and thermal resistance is more little, and the thermal diffusivity of material is also more good. Therefore, when same alloy same volume, subtracting thin fin thickness, can effectively improve the radiating effect of scatterer, the more existing aluminum foil thickness of the aluminium foil obtained by the present invention is thinned more than half, reaches 0.097 �� 0.003mm.
In addition, the carrier of thermal conduction is electronics in a metal, the quality of metal heat-conducting performance depends on the systematicness that metallic matrix lattice dot matrix arranges, the arrangement of matrix lattice dot matrix is more regular, the free degree of heat conductive electronic is more big, the heat-sinking capability of metal is all right, and therefore, the heat dispersion of alloy and alloy material interior tissue are relevant with lattice defect distribution. Before aluminium liquid of the present invention, case temperature controls between 693��697 DEG C, roll casting speed controls between 750��800mm/min, continuous casting and rolling process adopts online front 30ppi, in a 50ppi, in two 60ppi, the rear horizontal melt filtration of 70ppi level Four, effectively reduce the hydrogen richness in cast-rolling stock and inclusion content, ensure that cast-rolling stock transverse section low power organizes non-stop layer segregation, add the actual heat-conducting area of cast-rolling stock inside, be conducive to the raising of cast-rolling stock heat dispersion. Having, casting Deformation structure can be elongated broken by the calendering that the present invention relates to and low temperature prolonged anneal technique, makes the aluminium foil Deformation structure of matrix lattice generation Severe distortion with FeAl again3��MnAl6, �� (Al12Fe3Si2) and (Fe, Mn) Al6Precipitating out Deng the form of two-phase compound, Dispersed precipitate, in crystal boundary, increases the foreign matter content precipitating out state and reduces solid solution state foreign matter content, reducing lattice distortion, make matrix lattice dot matrix arrangement comparison rule, the free degree of heat conductive electronic becomes big, thus improve the thermal conductivity of aluminium foil, strengthen heat dispersion.
Compared with prior art, it is an advantage of the current invention that: the present invention provides the aluminium foil of the thinner excellent radiation performance of a kind of thickness, the manufacturing process arranged by reasonable component and optimize, this aluminium foil is made still to have excellent corrosion resistance and tensile strength when thickness subtracts thin, and maintain the good unit elongation of deep-draw aluminium foil and Erichsen number, and aforementioned manufacturing process is also conducive to the raising of aluminium foil self heat conductivility with the effect that coordinates of alloy interior tissue, specific performance meets: aluminum foil thickness is 0.097 �� 0.003mm, tensile strength is 140��150MPa, unit elongation >=20%, Erichsen number >=7.0mm, thermal conductivity >=212W/ (m K) when 25 DEG C.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
A kind of intelligence freezer heat radiation aluminum foil, its thickness is 0.094mm, and the chemical composition of this aluminium foil is by mass percentage: Fe:0.8%, Si:0.6%, Mn:0.25%, Mg :��0.03%, Cu :��0.03%, Zn :��0.03%, Sn :��0.03%, Ti:0.03%, surplus is Al and inevitable impurity, single content��0.05% of inevitable impurity, inevitable impurity adds up to content��0.15%.
The manufacturing step of above-mentioned intelligence freezer heat radiation aluminum foil is as follows:
The first step, batching, melting, casting: production technique routinely, carry out ferro-aluminum silicomanganese batching, melting, before aluminium liquid, case temperature controls at 693 DEG C, roll casting speed controls at 750mm/min, continuous casting and rolling process adopts online front 30ppi, in a 50ppi, in two 60ppi, the rear horizontal melt filtration of 70ppi level Four, can not have center segregation as principle taking cast-rolling stock transverse section low power tissue, carry out continuous casting and rolling production and can be suitable for the thick cast-rolling stock of cold rolling 7.0mm;
2nd step, cold rolling: by cold-rolling mill, cast-rolling stock to be rolled down to into the cold rolling blank that thickness is 3.2mm, this cold rolling blank is rolled into the thick cold rolling blank of 1.7mm again, afterwards, cold rolling blank thick for 1.7mm is rolled into the thick cold rolling blank of 0.8mm again, afterwards, then by cold rolling blank thick for 0.8mm the thick cold rolling blank of 0.53mm it is rolled into;
3rd step, heavily rolls up: cold rolling blank thick for 0.53mm is made the cold rolling blank that 0.53mm is thick, 1105mm is wide after rewind reel trimming;
4th step: cold rolling: the further cold rolling one-tenth 0.32mm of cold rolling blank that the 3rd step is obtained is thick;
5th step, paper tinsel rolls: cold rolling blank paper tinsel thick for 0.32mm is rolled to the thick paper tinsel rolling stock of 0.17mm, afterwards, then paper tinsel rolling stock thick for 0.17mm is rolled into the thick paper tinsel rolling stock of 0.12mm, afterwards, then by paper tinsel rolling stock thick for 0.12mm the thick paper tinsel rolling stock of 0.094mm it is rolled into;
6th step, the paper tinsel rolling stock that finishing: 0.094mm is thick becomes the required aluminum foil coil rolling up external diameter and shape through drawing curved strong cleaning aligning to shear point crimped with thick paper tinsel;
7th step, annealing: aluminum foil coil is put into heat treatment furnace, in 1 hour, furnace temperature is risen to 230 DEG C from normal temperature, and it is incubated 3 hours under the furnace temperature state of 230 DEG C, and then furnace temperature is increased to 300 DEG C, and it is incubated 26 hours under the furnace temperature state of 300 DEG C, then controlling furnace temperature and dropped to 200 DEG C in 0.5 hour, control heat treatment furnace stops heating, aluminum foil coil furnace cooling some hours, after aluminum foil coil surface temperature is lower than 30 DEG C, aluminum foil coil is taken out in stove i.e. obtained aluminum foil coil finished product.
8th step, finished product inspection: carry out inspection after construction by the intelligence main technical indicator of freezer heat radiation aluminum foil;
9th step, packaging, packs the 0.094mm thick aluminum foil finished product qualified through inspection after construction, obtains ferro-aluminum silicomanganese intelligence freezer high efficiency and heat radiation aluminium foil.
This 0.094mm thick aluminum foil intensity height, deep drawability are good, the flange height height of the aluminium foil radiating fin that punching press is obtained, aluminum foil finished product mechanical property is tensile strength 145MPa, unit elongation >=20%, Erichsen number >=7.0mm, when 25 DEG C, thermal conductivity is 220W/ (m K), and plate type is excellent, and the planeness of strip material is less than 3I.
Embodiment 2
A kind of intelligence freezer heat radiation aluminum foil, its thickness is 0.097mm, and the chemical composition of this aluminium foil is by mass percentage: Fe:0.85%, Si:0.62%, Mn:0.28%, Mg :��0.03%, Cu :��0.03%, Zn :��0.03%, Sn :��0.03%, Ti:0.045%, surplus is Al and inevitable impurity, single content��0.05% of inevitable impurity, inevitable impurity adds up to content��0.15%.
The manufacturing step of above-mentioned intelligence freezer heat radiation aluminum foil is as follows:
The first step, batching, melting, casting: production technique routinely, carry out ferro-aluminum silicomanganese batching, melting, before aluminium liquid, case temperature controls at 695 DEG C, roll casting speed controls at 780mm/min, continuous casting and rolling process adopts online front 30ppi, in a 50ppi, in two 60ppi, the rear horizontal melt filtration of 70ppi level Four, can not have center segregation as principle taking cast-rolling stock transverse section low power tissue, carry out continuous casting and rolling production and can be suitable for the thick cast-rolling stock of cold rolling 7.5mm;
2nd step, cold rolling: by cold-rolling mill, cast-rolling stock to be rolled down to into the cold rolling blank that thickness is 3.5mm, this cold rolling blank is rolled into the thick cold rolling blank of 1.9mm again, afterwards, cold rolling blank thick for 1.9mm is rolled into the thick cold rolling blank of 1.1mm again, afterwards, then by cold rolling blank thick for 1.1mm the thick cold rolling blank of 0.63mm it is rolled into;
3rd step, heavily rolls up: cold rolling blank thick for 0.63mm is made the cold rolling blank that 0.63mm is thick, 1105mm is wide after rewind reel trimming;
4th step: cold rolling: the further cold rolling one-tenth 0.35mm of cold rolling blank that the 3rd step is obtained is thick;
5th step, paper tinsel rolls: cold rolling blank paper tinsel thick for 0.35mm is rolled to the thick paper tinsel rolling stock of 0.20mm, afterwards, then paper tinsel rolling stock thick for 0.20mm is rolled into the thick paper tinsel rolling stock of 0.127mm, afterwards, then by paper tinsel rolling stock thick for 0.127mm the thick paper tinsel rolling stock of 0.097mm it is rolled into;
6th step, the paper tinsel rolling stock that finishing: 0.097mm is thick becomes the required aluminum foil coil rolling up external diameter and shape through drawing curved strong cleaning aligning to shear point crimped with thick paper tinsel;
7th step, annealing: aluminum foil coil is put into heat treatment furnace, in 1 hour, furnace temperature is risen to 230 DEG C from normal temperature, and it is incubated 3 hours under the furnace temperature state of 230 DEG C, and then furnace temperature is increased to 310 DEG C, and it is incubated 28 hours under the furnace temperature state of 310 DEG C, then controlling furnace temperature and dropped to 200 DEG C in 0.5 hour, control heat treatment furnace stops heating, aluminum foil coil furnace cooling some hours, after aluminum foil coil surface temperature is lower than 30 DEG C, aluminum foil coil is taken out in stove i.e. obtained aluminum foil coil finished product.
8th step, finished product inspection: carry out inspection after construction by the intelligence main technical indicator of freezer heat radiation aluminum foil;
9th step, packaging, packs the 0.097mm thick aluminum foil finished product qualified through inspection after construction, obtains ferro-aluminum silicomanganese intelligence freezer high efficiency and heat radiation aluminium foil.
This 0.097mm thick aluminum foil intensity height, deep drawability are good, the flange height height of the aluminium foil radiating fin that punching press is obtained, aluminum foil finished product mechanical property is tensile strength 150MPa, unit elongation >=20%, Erichsen number >=7.0mm, when 25 DEG C, thermal conductivity is 215W/ (m K), and plate type is excellent, and the planeness of strip material is less than 3I.
Embodiment 3
A kind of intelligence freezer heat radiation aluminum foil, its thickness is 0.1mm, and the chemical composition of this aluminium foil is by mass percentage: Fe:0.9%, Si:0.65%, Mn:0.3%, Mg :��0.03%, Cu :��0.03%, Zn :��0.03%, Sn :��0.03%, Ti:0.06%, surplus is Al and inevitable impurity, single content��0.05% of inevitable impurity, inevitable impurity adds up to content��0.15%.
The manufacturing step of above-mentioned intelligence freezer heat radiation aluminum foil is as follows:
The first step, batching, melting, casting: production technique routinely, carry out ferro-aluminum silicomanganese batching, melting, before aluminium liquid, case temperature controls at 697 DEG C, roll casting speed controls at 800mm/min, continuous casting and rolling process adopts online front 30ppi, in a 50ppi, in two 60ppi, the rear horizontal melt filtration of 70ppi level Four, can not have center segregation as principle taking cast-rolling stock transverse section low power tissue, carry out continuous casting and rolling production and can be suitable for the thick cast-rolling stock of cold rolling 8.0mm;
2nd step, cold rolling: by cold-rolling mill, cast-rolling stock to be rolled down to into the cold rolling blank that thickness is 3.8mm, this cold rolling blank is rolled into the thick cold rolling blank of 2.3mm again, afterwards, cold rolling blank thick for 2.3mm is rolled into the thick cold rolling blank of 1.4mm again, afterwards, then by cold rolling blank thick for 1.4mm the thick cold rolling blank of 0.73mm it is rolled into;
3rd step, heavily rolls up: cold rolling blank thick for 0.73mm is made the cold rolling blank that 0.73mm is thick, 1105mm is wide after rewind reel trimming;
4th step: cold rolling: the further cold rolling one-tenth 0.38mm of cold rolling blank that the 3rd step is obtained is thick;
5th step, paper tinsel rolls: cold rolling blank paper tinsel thick for 0.38mm is rolled to the thick paper tinsel rolling stock of 0.23mm, afterwards, then paper tinsel rolling stock thick for 0.23mm is rolled into the thick paper tinsel rolling stock of 0.14mm, afterwards, then by paper tinsel rolling stock thick for 0.14mm the thick paper tinsel rolling stock of 0.1mm it is rolled into;
6th step, the paper tinsel rolling stock that finishing: 0.1mm is thick becomes the required aluminum foil coil rolling up external diameter and shape through drawing curved strong cleaning aligning to shear point crimped with thick paper tinsel;
7th step, annealing: aluminum foil coil is put into heat treatment furnace, in 1 hour, furnace temperature is risen to 230 DEG C from normal temperature, and it is incubated 3 hours under the furnace temperature state of 230 DEG C, and then furnace temperature is increased to 320 DEG C, and it is incubated 30 hours under the furnace temperature state of 320 DEG C, then controlling furnace temperature and dropped to 180 DEG C in 0.5 hour, control heat treatment furnace stops heating, aluminum foil coil furnace cooling some hours, after aluminum foil coil surface temperature is lower than 30 DEG C, aluminum foil coil is taken out in stove i.e. obtained aluminum foil coil finished product.
8th step, finished product inspection: carry out inspection after construction by the intelligence main technical indicator of freezer heat radiation aluminum foil;
9th step, packaging, packs the 0.1mm thick aluminum foil finished product qualified through inspection after construction, obtains ferro-aluminum silicomanganese intelligence freezer high efficiency and heat radiation aluminium foil.
This 0.1mm thick aluminum foil intensity height, deep drawability are good, the flange height height of the aluminium foil radiating fin that punching press is obtained, aluminum foil finished product mechanical property is tensile strength 150MPa, unit elongation >=20%, Erichsen number >=7.0mm, when 25 DEG C, thermal conductivity is 212W/ (m K), and plate type is excellent, and the planeness of strip material is less than 3I.
Claims (4)
1. the manufacture method of an intelligent freezer heat radiation aluminum foil, it is characterized in that: the thickness of this aluminium foil is 0.097 �� 0.003mm, chemical composition is by mass percentage: Fe:0.8��0.90%, Si:0.6��0.65%, Mn:0.25��0.30%, Mg :��0.03%, Cu :��0.03%, Zn :��0.03%, Sn :��0.03%, Ti:0.03��0.06%, surplus is Al and inevitable impurity, single content��0.05% of inevitable impurity, inevitable impurity adds up to content��0.15%, and step is as follows:
(1) strand: meeting the heating raw materials melting of stoichiometric ratio, before aluminium liquid, case temperature controls between 693��697 DEG C, even casts out the thick cast-rolling stock of 7.0��8.0mm with the roll casting speed of 750��800mm/min afterwards;
(2) roll: adopt cold-rolling process that blank obtained in step (1) is first rolled into the thick cold rolling blank of 3.2��3.8mm, cold rolling again make the thick cold rolling blank of 1.7��2.3mm, cold rolling further make the thick cold rolling blank of 0.8��1.4mm, finally cold rolling make the thick cold rolling blank of 0.53��0.73mm, through heavy cut roll limit to predetermined width, and it is thick to be again cold-rolled to 0.32��0.38mm, then carrying out paper tinsel and roll production, paper tinsel is rolled to that 0.17��0.23mm is thick, 0.12��0.14mm is thick and 0.097 �� 0.003mm of finished product thickness successively;
(3) finishing: the blank that paper tinsel is rolled to finished product thickness carries out cleaning aligning and shearing a point bar, is curled into the aluminum foil coil of required volume external diameter and shape;
(4) anneal: the aluminum foil coil that step (3) is obtained is put into heat treatment furnace, in one hour, furnace temperature is risen to 230 DEG C, and it is incubated 3 hours under 230 DEG C of furnace temperature states, again furnace temperature is increased to 300��320 DEG C, it is incubated 26��30 hours, then control furnace temperature in 0.5 hour, drop to 180��200 DEG C, then control heat treatment furnace and stop heating, aluminum foil coil furnace cooling, comes out of the stove after aluminum foil coil surface temperature is lower than 30 DEG C, namely obtains aluminum foil finished product;
(5) test package: whether every performance of inspection aluminum foil finished product meets technical indicator, and is packed by the aluminum foil finished product being up to the standards.
2. the manufacture method of intelligence freezer heat radiation aluminum foil according to claim 1, it is characterized in that: casting process described in step (1) adopts level Four melt filtration process, level Four screen plate order number be respectively online front 30ppi, in a 50ppi, in two 60ppi, rear 70ppi.
3. the manufacture method of intelligence freezer heat radiation aluminum foil according to claim 1, it is characterised in that: what clean described in step (3) that aligning adopts is draw curved strong technique, and what described shearing divided that bar adopts is thick paper tinsel shearing process.
4. the manufacture method of intelligence freezer heat radiation aluminum foil according to claim 1, it is characterised in that: the tensile strength of described aluminium foil is 140��150MPa, unit elongation >=20%, Erichsen number >=7.0mm, thermal conductivity >=212W/ (m K) when 25 DEG C.
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| EP3150731B1 (en) * | 2014-05-30 | 2018-12-19 | Toyo Aluminium Kabushiki Kaisha | Aluminum foil, electronic component wiring board, and aluminum foil manufacturing method |
| CN109652681A (en) * | 2018-12-29 | 2019-04-19 | 安徽鑫铂铝业股份有限公司 | A kind of aluminium type material and preparation method thereof conducive to high efficiency and heat radiation |
| CN109807192B (en) * | 2019-01-30 | 2020-08-04 | 武汉钢铁有限公司 | Method for controlling flanging of high-magnetic-induction oriented silicon steel coil |
| CN111349825A (en) * | 2020-04-26 | 2020-06-30 | 江苏鼎胜新能源材料股份有限公司 | Preparation method for producing high-toughness battery aluminum foil by using short-process casting and rolling blank |
| CN111549261A (en) * | 2020-05-13 | 2020-08-18 | 江苏鼎胜新能源材料股份有限公司 | Preparation method for producing deep-drawing cold-forming medicinal aluminum foil by short-process casting and rolling blank |
| CN113005338A (en) * | 2021-01-19 | 2021-06-22 | 浙江荣荣实业有限公司 | Composite aluminum alloy material for radiator and preparation method thereof |
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| CN1219209A (en) * | 1996-03-26 | 1999-06-09 | 雷诺兹金属公司 | Method for making aluminum foil and product therefrom |
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