CN1311921C - Method for manufacturing intensity controlled deep drawing sheet metal of aluminium alloy in use for theft protection cover - Google Patents
Method for manufacturing intensity controlled deep drawing sheet metal of aluminium alloy in use for theft protection cover Download PDFInfo
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- CN1311921C CN1311921C CNB200510009993XA CN200510009993A CN1311921C CN 1311921 C CN1311921 C CN 1311921C CN B200510009993X A CNB200510009993X A CN B200510009993XA CN 200510009993 A CN200510009993 A CN 200510009993A CN 1311921 C CN1311921 C CN 1311921C
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- theft protection
- aluminium alloy
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- protection cover
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Abstract
The present invention discloses a processing method for intensity controllable deep drawing aluminum alloy thin plates used in theft protection covers, which relates to a production technology for intensity controllable deep drawing aluminum alloy thin plates used in theft protection covers. The present invention comprises the steps that a. materials are mixed with each other according to the weight percentage: 0.6 to 0.8% of Si, 0.7 to 0.8% of Fe, 0.1% of Cu, 0.15% of Mn, 0.05% of Mg, 0.05% of Ti, and Al as the rest so that the materials are melted into liquid metal, and ingots are then cast; b. the homogenizing anneal of the cast ingots is carried out at the temperature of 600 to 620 DEG C; c. hot rolling is carried out after the cast ingots are heated to the temperature of 500 to 520 DEG C in a stepping furnace; d. cold rolling is carried out at the processing rate of more than 90%; e. after intermediate anneal at the temperature of 360 to 380 DEG C, medium rolling and finishing are carried out at the processing rate of 60%; consequently, the intensity controllable deep drawing aluminum alloy thin plates used in theft protection covers are obtained. The aluminum alloy thin plates used in theft protection covers, which are final made in the present invention, have the advantages of smooth surface, small earing ratio, high rate of finished products of stamping parts, no defect of the generation of the shape of an orange peel and a rhyolite shape on a forming surface, and preferable processing mechanical performance.
Description
Technical field:
The present invention relates to the production technology of the intensity controlled deep drawing sheet metal of aluminium alloy of a kind of use for theft protection cover.
Background technology:
Existing use for theft protection cover aluminium alloy sheet exists in use that the anisotropy of board plane is big, the big shortcoming of earing rate after the drawing, though it also can be shaped by the punching press attenuate, but stamping parts percent defective height, stamping parts R angle are big, rough surface, punching out product limit surface current line defective in addition, grain structure is too thick, is easy to occur the orange peel shape defective.
Summary of the invention:
The purpose of this invention is to provide a kind ofly have that good deep drawability, earing rate are little, the processing method of deep drawing sheet metal of aluminium alloy that use for theft protection cover that any surface finish, grain structure are moderate is intensity controlled.The present invention is achieved in that a, be Si:0.6～0.8%, Fe:0.7～0.8%, Cu:0.1%, Mn:0.15%, Mg:0.05%, Ti:0.05%, Al according to percentage by weight: the ratio batching of surplus, cast after making it be fused into liquid metal, obtain ingot casting; B, under 600～620 ℃ temperature, make ingot homogenization annealing; C, enter and be heated to 500～520 ℃ in the walking-beam furnace and carry out hot rolling then; D, carry out cold rolling with the working modulus more than 90% subsequently; E, roll in after 360～380 ℃ intermediate annealing, carrying out with 60% working modulus again, finishing, obtain intensity controlled deep-draw use for theft protection cover aluminium alloy sheet.The present invention and existing processing method have following advantage:
1, by fusion operation control ingot casting composition, tissue, the hot cold rolling and intermediate annealing process by optimizing guarantees the balance of deep hole pinching with aluminium alloy sheet deformation texture and recrystallization texture then, and its earing rate is reduced to below 3% by 5%;
The punching performance of product that 2, the present invention produces is good, for shell provides quality raw materials, is the desirable raw material that are used to make top grade, high-accuracy pilferproof closure;
3, realized the raising of aluminium alloy sheet punching press combination property, technology is simple, does not need to increase special special equipment;
4, add the trace meter magnesium elements in the melting link of product, can improve the brightness of plate face.
5, the metallic compound particle dispersion that forms by Fe, Mn, Mg element among the present invention tiny (0.2～0.4 μ m), the ideal that grain structure evenly tiny (30～50 μ m), the use for theft protection cover aluminium alloy sheet of finally making have surfacing, earing rate little (≤3%), be easy to realize picture on surface is shaped, stamping parts yield rate height and profiled surface do not produce orange peel shape and the rhyotaxitic defective, process the advantage of mechanical property preferably.
The specific embodiment:
The specific embodiment one: present embodiment be process use for theft protection cover aluminium alloy sheet: a like this, be Si:0.6～0.8%, Fe:0.7～0.8%, Cu:0.1%, Mn:0.15%, Mg:0.05%, Ti:0.05%, Al according to percentage by weight: carry out ingot casting after the ratio batching of surplus makes it be fused into liquid metal; B, under 600～620 ℃ temperature, make ingot homogenization annealing; C, enter and be heated to 500～520 ℃ in the walking-beam furnace and carry out hot rolling then, finishing temperature is not less than 360 ℃; D, carry out cold rolling with the working modulus more than 90% then; E, intermediate annealing 11h under 360～380 ℃ temperature then, roll (requiring final pass workpiece roll surface roughness is 0.16～0.28 μ m) in carrying out with 60% working modulus again behind the insulation 1h, flatten before the finished product, obtain intensity controlled deep-draw use for theft protection cover aluminium alloy sheet.
The specific embodiment two: according to end properties parameter in the component content in the table 1, technological parameter in the table 2 and the table 3, determine to adopt 1 in the present embodiment
#The grain structure of processing technology aluminum alloy thin slab products moderate, deep drawability good, deformation texture and recrystallization texture balance, earing rate is little, presswork spare surface quality is good.
Table 1
| Alloy | Si | Fe | Cu | Mn | Mg | Ti | Al |
| ％ | 0.6～0.8 | 0.7～0.8 | 0.1 | 0.15 | 0.05 | 0.05 | Surplus |
Table 2
| Sequence number | Processing technology |
| 1 # | Ingot casting (600 ℃ * 3h)-and hot rolling-9.0mm-is cold rolling-0.56mm-intermediate annealing (360 ℃)-cold rolling-0.20～0.25mm |
| 2 # | Ingot casting (600 ℃ * 3h)-and hot rolling-9.0mm-is cold rolling-0.6mm-intermediate annealing (420 ℃)-cold rolling-0.20～0.25mm |
| 3 # | Ingot casting (600 ℃ * 3h)-and hot rolling-9.0mm-is cold rolling-0.6mm-intermediate annealing (380 ℃)-cold rolling-0.20～0.25mm |
Table 3
| Mark | Earing rate, % | The surface flow liner | Orange peel shape | σb，Mpa | δ，％ |
| 1 # | 2.5～3.0 | Bright and clean | Do not have | 169～173 | 2.3～3.6 |
| 2 # | 2.7～5.0 | Almost do not have | Do not have | 164～174 | 2.3～3.5 |
| 3 # | 5.0 more than | Do not have | Slight tangerine peel | 163～176 | 2.9～3.4 |
Annotate: (1) grain size is the average diameter of the observed maximum crystal grain of plate surface after annealing, and it equates substantially with the Breadth Maximum of the crystal grain that hard attitude finished product plate surface is seen; (2) earing rate is on average to make ear height and the high percentage of average system ear paddy, and condition determination is the cup that dashes with the flat-bottom punch making of the blanking punch of φ 58mm and φ 33mm; (3) the orange peel shape degree is utilized surface roughometer and range estimation evaluation.
The specific embodiment three: the percentage by weight of each chemical composition is in the aluminium alloy sheet of present embodiment: Si:0.6%, Fe:0.7%, Cu:0.1%, Mn:0.15%, Mg:0.05%, Ti:0.05%, Al: surplus.
The specific embodiment four: the percentage by weight of each chemical composition is in the aluminium alloy sheet of present embodiment: Si:0.8%, Fe:0.8%, Cu:0.1%, Mn:0.15%, Mg: 0.05%, Ti:0.05%, Al: surplus.
The specific embodiment five: the percentage by weight of each chemical composition is in the aluminium alloy sheet of present embodiment: Si:0.7%, Fe:0.75%, Cu:0.1%, Mn:0.15%, Mg:0.05%, Ti:0.05%, Al: surplus.
Claims (4)
1, the processing method of the intensity controlled deep drawing sheet metal of aluminium alloy of use for theft protection cover is characterized in that it is achieved in that a, is Si:0.6～0.8%, Fe:0.7～0.8%, Cu:0.1%, Mn:0.15%, Mg:0.05%, Ti:0.05%, Al according to percentage by weight: cast after the ratio batching of surplus makes it be fused into liquid metal; B, under 600～620 ℃ temperature, make ingot homogenization annealing; C, enter and be heated to 500～520 ℃ in the walking-beam furnace and carry out hot rolling then; D, carry out cold rolling with the working modulus more than 90% subsequently; E, roll in after 360～380 ℃ intermediate annealing, carrying out with 60% working modulus again, finishing, obtain intensity controlled deep-draw use for theft protection cover aluminium alloy sheet.
2, the processing method of the intensity controlled deep drawing sheet metal of aluminium alloy of use for theft protection cover according to claim 1 is characterized in that the percentage by weight of each chemical composition in the aluminium alloy sheet is: Si:0.6%, Fe:0.7%, Cu:0.1%, Mn:0.15%, Mg:0.05%, Ti:0.05%, Al: surplus.
3, the processing method of the intensity controlled deep drawing sheet metal of aluminium alloy of use for theft protection cover according to claim 1 is characterized in that the percentage by weight of each chemical composition in the aluminium alloy sheet is: Si:0.8%, Fe:0.8%, Cu:0.1%, Mn:0.15%, Mg:0.05%, Ti:0.05%, Al: surplus.
4, the processing method of the intensity controlled deep drawing sheet metal of aluminium alloy of use for theft protection cover according to claim 1 is characterized in that the percentage by weight of each chemical composition in the aluminium alloy sheet is: Si:0.7%, Fe:0.75%, Cu:0.1%, Mn:0.15%, Mg:0.05%, Ti:0.05%, Al: surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB200510009993XA CN1311921C (en) | 2005-05-20 | 2005-05-20 | Method for manufacturing intensity controlled deep drawing sheet metal of aluminium alloy in use for theft protection cover |
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| CNB200510009993XA CN1311921C (en) | 2005-05-20 | 2005-05-20 | Method for manufacturing intensity controlled deep drawing sheet metal of aluminium alloy in use for theft protection cover |
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| CN1311921C true CN1311921C (en) | 2007-04-25 |
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| CN111729827A (en) * | 2020-07-01 | 2020-10-02 | 江苏凯丰幕墙材料有限公司 | Production method of green energy-saving environment-friendly fluorine-carbon aluminum veneer |
| CN112934980A (en) * | 2021-03-09 | 2021-06-11 | 中铝河南洛阳铝加工有限公司 | Processing method of 1050 aluminum alloy medicine cover material |
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| JPS6434548A (en) * | 1987-07-30 | 1989-02-06 | Furukawa Aluminium | Production of high strength aluminum foil |
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| CN1083542A (en) * | 1992-06-23 | 1994-03-09 | 凯泽铝和化学公司 | A kind of method of making aluminium alloy plate |
| CN1083541A (en) * | 1992-06-23 | 1994-03-09 | 凯泽铝和化学公司 | A kind of method of production can body sheet |
| US5503689A (en) * | 1994-04-08 | 1996-04-02 | Reynolds Metals Company | General purpose aluminum alloy sheet composition, method of making and products therefrom |
| CN1120597A (en) * | 1994-10-08 | 1996-04-17 | 东北轻合金加工厂 | Negative foil of Al-Mn alloy and its prodn. method |
| US5725695A (en) * | 1996-03-26 | 1998-03-10 | Reynolds Metals Company | Method of making aluminum alloy foil and product therefrom |
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2005
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| JPS6434548A (en) * | 1987-07-30 | 1989-02-06 | Furukawa Aluminium | Production of high strength aluminum foil |
| JPH038501A (en) * | 1989-06-06 | 1991-01-16 | Furukawa Alum Co Ltd | Production of aluminum sheet having excellent surface gloss |
| JP3008501B2 (en) * | 1990-12-26 | 2000-02-14 | オムロン株式会社 | Paper size detector and multi-beam photo sensor |
| CN1083542A (en) * | 1992-06-23 | 1994-03-09 | 凯泽铝和化学公司 | A kind of method of making aluminium alloy plate |
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| US5503689A (en) * | 1994-04-08 | 1996-04-02 | Reynolds Metals Company | General purpose aluminum alloy sheet composition, method of making and products therefrom |
| CN1120597A (en) * | 1994-10-08 | 1996-04-17 | 东北轻合金加工厂 | Negative foil of Al-Mn alloy and its prodn. method |
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| CN1254624A (en) * | 1998-11-20 | 2000-05-31 | 西北铝加工厂 | Method and technique for producing aluminium foils by direct casting and rolling of electrolytic aluminium liquid |
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