CN103157656A - Machining method of twist-off type anti-theft bottle cap cast rolling thin plate - Google Patents
Machining method of twist-off type anti-theft bottle cap cast rolling thin plate Download PDFInfo
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- CN103157656A CN103157656A CN2011104259774A CN201110425977A CN103157656A CN 103157656 A CN103157656 A CN 103157656A CN 2011104259774 A CN2011104259774 A CN 2011104259774A CN 201110425977 A CN201110425977 A CN 201110425977A CN 103157656 A CN103157656 A CN 103157656A
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- thin plate
- bottle cap
- type anti
- theft bottle
- casting thin
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Abstract
The invention discloses a machining method of a twist-off type anti-theft bottle cap cast rolling thin plate and relates to a machining method of an aluminum alloy thin plate. The proportions of chemical elements in achievement of the machining method of the twist-off type anti-theft bottle cap cast rolling thin plate are as follows: ferrum is 0.65-0.85%; silicon is 0.55-0.75%; copper is less than 0.1%; magnesium is less than 0.05%; manganese is less than 0.08%; titanium is 0.025-0.04%; others: (an individual element is less than 0.05%; a sum is less than 0.15%); aluminum is remaining. The twist-off type anti-theft bottle cap cast rolling thin plate is manufactured according to the following working procedures: a, the chemical elements are enabled to be melted in the temperature which is no higher than 760 DEG C and are guided into a silently-placed furnace after refinement; the temperature is about 745 DEG C; then through deaeration, crystalline grain refining, filtering and flow distribution, the chemical elements are cast-rolled into a blank volume at the speed of 950-1000 mm/min; b, two-time high temperature intermediate annealing is adopted, so that multi-pass cold rolling and stretch bending straightening are conducted; the anti-theft bottle cap cast rolling thin plate is obtained. The machining method of the twist-off type anti-theft bottle cap cast rolling thin plate has the advantages of being even in crystalline grain, low in hydrogen content, smooth in surface and good in mechanical property and deep drawing property.
Description
Technical field:
The present invention relates to a kind of production technology and processing method that twists off type anti-theft bottle cap casting thin plate.
Background technology:
Existing use for theft protection cover aluminium alloy sheet uses hot rolling blank production substantially, exists technique circuit length, high in cost of production problem.If use Casting Rolled Sheet to replace, can shorten process route, reduce production costs.And can enlarge the casting production field to the application of new and high technology.And the higher shortcoming of the earing rate that the casting thin plate exists anisotropy to bring usually reaches the tangerine peel defective of bringing because tissue odds is even.
Summary of the invention:
The purpose of this invention is to provide that a kind of to have the grain size even tissue fine and closely woven, deep drawability is good, and earing rate is little, the processing method of the aluminium alloy sheet of any surface finish, moderate strength.Key technology of the present invention mainly contain following some:
1: alloying element formula and processing technology:
Be by weight ratio: Fe:0.65～0.85%, Si:0.55～0.75%, Cu:＜0.1%, Mg:＜0.05%, Mn＜0.08%, Ti:0.025～0.04%, other: (individual element:＜0.05%, add up to＜0.15%), Al: be surplus.After making it be fused into liquid metal at not higher than 760 ℃ of temperature, after refining, import standing furnace, temperature is controlled at 745 ℃ of left and right, then through degasification, crystal grain thinning, filtration, cloth stream, becomes the thick casting base volume of 7.5cm with the casting of 950～1000mm/min speed.
2: by by cast-rolling stock → cold rolling → intermediate annealing → cold rolling → intermediate annealing → cold rolling → stretch-bending straightening, with the cold rolling processing of the passage of " 7.5mm-4.8mm-3.1mm-2.0mm-1.0mm-0.6mm-0.32mm-0.21mm ", obtain qualified anti-theft bottle cap casting thin plate.
Specific embodiments:
1. the concrete technology step is:
Batching → melting → standing → stove external purifying, refinement → filtration → front case distributor for stream → casting → batch rolling → cold rolling → in move back → cold rolling → in move back → cold rolling → stretch bending is strong → bundling → examination → packing
2. press the weight alloy proportioning and determine formula and proportion scheme
Proportioning is pressed table one:
Table one
1) batching Fe must be greater than Si, and Fe, Si must add the furnace charge upper strata with intermediate alloy.Control by middle limit.
Aluminium ingot 80% when 2) preparing burden, waste material is no more than 20%, and more than secondary.
3. melting:
A. smelting temperature is no more than 760 ℃, carries out refining for the first time after material and stirs, and stirs for the second time after getting chemical examination composition sample.Stir for the third time after the feed supplement fusing.Refining is for the second time carried out in the stokehold, and refining adds refining agent take nitrogen and dusts as main.
B. after standing (temperature is controlled at 745 ℃ of left and right), stove external purifying, refinement (Al-Ti-B silk), filtration (30 order 50mm thick ceramic board), grain size reaches uniformity, and the single grain size of size is less than 0.4mm/mm
2Hydrogen content is less than 0.12ml/100gAl.
C. front case temperature is controlled at 690 ℃ ± 3 ℃, and the casting district is controlled at 43mm～46mm.
4. the thickness 7.5mm ± 0.2mm that makes the test, Casting Roller roughness Ra 0.7～1.2 was forward polished a roll surface to guarantee plate face quality with 150 order sand paper in every two days.
5. cold rolling
A. cold rolling pass distributes
Press 7.5mm-4.8mm-3.1mm-2.0mm-1.0mm-0.6mm-0.32mm-0.21mm
The cold rolling processing of passage, cold roll roughness Ra 0.45～0.6, when finished product is rolling, gloss level of roll is Ra0.28～0.35.2.0mm the time carry out intermediate annealing for the first time, trimming and intermediate annealing during 0.6mm.Intermediate annealing temperature for the first time is controlled at 550 ℃, is incubated 2 hours after temperature.The intermediate annealing temperature is 500 ℃ of constant temperatures later on, is incubated 2 hours.
B. reserve the reductions amount of 6mm during cold rolling trimming
C. for guaranteeing glacing flatness below 15I, carry out stretch-bending straightening when being cold rolled to 0.21mm.
The characteristics of key technology of the present invention are:
In alloy formula mainly take Fe, Si, Ti as principal component, wherein Fe mainly plays invigoration effect, and Grain refinement is arranged, Si can the part the raising recrystallization temperature, it can reduce the invigoration effect of Fe.But it have a formed tiny spherical compound particle, anti-surperficial friction effect is arranged, utilize simultaneously the texture orientation of its capable of regulating sheet material, because aspect encouraging and suppressing cubic texture, the Fe tendency causes 45 ° of ears processed, and the Si tendency causes 0 °, 90 ° ears processed.Ti plays Grain refinement and can improve intensity, makes up the strength decreased problem because adding Si to cause.
2. in burdening calculation, Fe, Si control by middle limit, but Fe must be greater than the content of Si, prevent the existence of the free Si monomer that produces because of Fe≤Si.Fe and Si add in the mode of intermediate alloy, to strengthen the intersolubility of itself and solution.Ti adds in the mode of Al-Ti-B silk.Porch in the external refining system.Guarantee its uniformity under the effect of graphite rotator.
3. in cold-rolled process, the thick and twice high temperature intermediate annealing of the thick employing of 0.6mm at 2.0mm, annealing temperature is 550 ℃, primary purpose is that material inside organization is spread fully, prevents segregation, the even existence of tissue odds.The purpose of intermediate annealing for the second time is to reserve 65% working modulus, and reprocessing is to obtain the aluminium alloy sheet of moderate strength.
Can obtain organizing fine and closely woven and even tiny metal compound fabric texture by above key technology, and the rational use for theft protection cover aluminium alloy sheet of tissue orientating, its grain size is less than 0.4mm, and earing rate is less than 3%, and the surface is good, moderate strength.
Claims (6)
1. twist off type anti-theft bottle cap casting thin plate processing method, it is characterized in that it is achieved in that a. is by weight ratio: Fe:0.65～0.85%, Si:0.55～0.75%, Cu:＜0.1%, Mg:＜0.05%, Mn＜0.08%, Ti:0.025～0.04%, other: (individual element:＜0.05%, add up to＜0.15%), Al: the ratio batching of surplus; B. be fused into liquid metal at not higher than 760 ℃ of temperature, after refining, import standing furnace, temperature is controlled at 745 ℃ of left and right, then through degasification, crystal grain thinning, filtration, cloth stream, becomes the thick casting base volume of 7.5cm with the casting of 950～1000mm/min speed; C. pass through by cast-rolling stock → cold rolling → intermediate annealing → cold rolling → intermediate annealing → cold rolling → stretch-bending straightening, with the cold rolling casting thin plate that is processed into of the passage of " 7.5mm-4.8mm-3.1mm-2.0mm-1.0mm-0.6mm-0.32mm-0.21mm ".
2. the type anti-theft bottle cap casting thin plate processing method that twists off according to claim 1, the percentage by weight that it is characterized in that each chemical composition in aluminium alloy casting thin plate is: Fe:0.65%, Si:0.55%, Cu:＜0.1%, Mg:＜0.05%, Mn＜0.08%, Ti:0.025%, other: (individual element:＜0.05%, add up to＜0.15%), Al: surplus.
3. the type anti-theft bottle cap casting thin plate processing method that twists off according to claim 1, the percentage by weight that it is characterized in that each chemical composition in aluminium alloy casting thin plate is: Fe:0.85%, Si:0.75%, Cu:＜0.1%, Mg:＜0.05%, Mn＜0.08%, Ti:0.04%, other: (individual element:＜0.05%, add up to＜0.15%), Al: surplus.
4. the type anti-theft bottle cap casting thin plate processing method that twists off according to claim 1, the percentage by weight that it is characterized in that each chemical composition in aluminium alloy casting thin plate is: Fe:0.75%, Si:0.65%, Cu:＜0.1%, Mg:＜0.05%, Mn＜0.08%, Ti:0.033%, other: (individual element:＜0.05%, add up to＜0.15%), Al: surplus.
5. the type anti-theft bottle cap casting thin plate processing method that twists off according to claim 1, it is characterized in that in cold-rolled process, thick and the twice high temperature intermediate annealing of the thick employing of 0.6mm at 2.0mm, intermediate annealing temperature for the first time is controlled at 550 ℃, be incubated 2 hours after temperature, the intermediate annealing temperature is 500 ℃ later on, is incubated 2 hours.
6. the type anti-theft bottle cap casting thin plate processing method that twists off according to claim 1, is characterized in that in cold-rolled process, carries out stretch-bending straightening when being cold rolled to 0.21mm, obtains anti-theft bottle cap casting thin plate.
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| CN2011104259774A CN103157656A (en) | 2011-12-11 | 2011-12-11 | Machining method of twist-off type anti-theft bottle cap cast rolling thin plate |
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| CN2011104259774A CN103157656A (en) | 2011-12-11 | 2011-12-11 | Machining method of twist-off type anti-theft bottle cap cast rolling thin plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532075A (en) * | 2014-12-31 | 2015-04-22 | 中铝西南铝冷连轧板带有限公司 | Aluminum alloy substrate for high-cap bottle cap and production method thereof |
| CN108130455A (en) * | 2017-12-22 | 2018-06-08 | 江苏鼎胜新能源材料股份有限公司 | A kind of bottle cap aluminum foil special material manufacturing method |
| CN109261719A (en) * | 2018-08-31 | 2019-01-25 | 招商局铝业(重庆)有限公司 | A method of bottle cap aluminium alloy is prepared with cast-rolled strip |
| WO2019214242A1 (en) * | 2018-05-11 | 2019-11-14 | 江苏常铝铝业股份有限公司 | Aluminum alloy strip for battery and preparation method therefor |
| CN111270113A (en) * | 2020-03-27 | 2020-06-12 | 天津忠旺铝业有限公司 | Production process of 5052 aluminum alloy plate with low earing rate |
| CN111636014A (en) * | 2020-06-05 | 2020-09-08 | 江苏鼎胜新能源材料股份有限公司 | Aluminum-plastic plate aluminum base material for mahjong and manufacturing method thereof |
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| CN101481763A (en) * | 2009-02-17 | 2009-07-15 | 中铝河南铝业有限公司 | Aluminum alloy bottle cap material assembly and method of processing the same |
| CN101845575A (en) * | 2010-04-20 | 2010-09-29 | 韩平德 | Production method of aluminum plate for producing deep-drawing wine bottle cap by using 8011 alloy cast-rolling aluminum material |
| CN102181754A (en) * | 2011-03-30 | 2011-09-14 | 江阴新仁科技有限公司 | Light gauge aluminum foil woolen produced with AL-Ti-C wire refiner and preparation method |
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| EP0084571A1 (en) * | 1981-07-30 | 1983-08-03 | Kasei Naoetsu Light Metal Industries Limited | Process for producing superplastic aluminium alloy plate |
| JPS5976864A (en) * | 1982-10-22 | 1984-05-02 | Nippon Light Metal Co Ltd | Manufacture of thin aluminum alloy plate for forming |
| CN100496876C (en) * | 2007-08-15 | 2009-06-10 | 中铝瑞闽铝板带有限公司 | Method for manufacturing aluminium strip for deep punching |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532075A (en) * | 2014-12-31 | 2015-04-22 | 中铝西南铝冷连轧板带有限公司 | Aluminum alloy substrate for high-cap bottle cap and production method thereof |
| CN108130455A (en) * | 2017-12-22 | 2018-06-08 | 江苏鼎胜新能源材料股份有限公司 | A kind of bottle cap aluminum foil special material manufacturing method |
| CN108130455B (en) * | 2017-12-22 | 2019-11-19 | 江苏鼎胜新能源材料股份有限公司 | A kind of bottle cap aluminum foil special material manufacturing method |
| WO2019214242A1 (en) * | 2018-05-11 | 2019-11-14 | 江苏常铝铝业股份有限公司 | Aluminum alloy strip for battery and preparation method therefor |
| CN109261719A (en) * | 2018-08-31 | 2019-01-25 | 招商局铝业(重庆)有限公司 | A method of bottle cap aluminium alloy is prepared with cast-rolled strip |
| CN111270113A (en) * | 2020-03-27 | 2020-06-12 | 天津忠旺铝业有限公司 | Production process of 5052 aluminum alloy plate with low earing rate |
| CN111270113B (en) * | 2020-03-27 | 2021-05-28 | 天津忠旺铝业有限公司 | Production process of 5052 aluminum alloy plate with low earing rate |
| CN111636014A (en) * | 2020-06-05 | 2020-09-08 | 江苏鼎胜新能源材料股份有限公司 | Aluminum-plastic plate aluminum base material for mahjong and manufacturing method thereof |
| CN111636014B (en) * | 2020-06-05 | 2021-10-22 | 江苏鼎胜新能源材料股份有限公司 | Aluminum-plastic plate aluminum base material for mahjong and manufacturing method thereof |
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Application publication date: 20130619 |