CN102400017A - Production method of aluminum alloy base material used for LED (light-emitting diode) television - Google Patents
Production method of aluminum alloy base material used for LED (light-emitting diode) television Download PDFInfo
- Publication number
- CN102400017A CN102400017A CN2011103766184A CN201110376618A CN102400017A CN 102400017 A CN102400017 A CN 102400017A CN 2011103766184 A CN2011103766184 A CN 2011103766184A CN 201110376618 A CN201110376618 A CN 201110376618A CN 102400017 A CN102400017 A CN 102400017A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- base material
- duraluminum
- finished product
- alloy base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides a production method of an aluminum alloy base material used for an LED (light-emitting diode) television. According to the method, during burdening, on the basis of manufacturing components of 5052 aluminum alloy, the mass fraction of each base metal chemical component is readjusted; before annealing is carried out on an aluminum alloy finished product, the aluminum alloy finished product is cleaned and cleaning parameters are standardized; when annealing is carried out, a batch annealing process is adopted and the annealing schedule is adjusted, so that an aluminum alloy surface with uniform colour and lustre can be obtained, and the strength and the elongation percentage of the aluminum alloy base material are ensured; and when the aluminum alloy finished product is straightened, a unique stretch bending straightening process is used, so that the flatness of the base material is ensured and the yield ratio of the base material is stabilized. The method provided by the invention can be used for producing the aluminum alloy base material which is high in elongation percentage and has less possibility of cracking caused by coining; and the aluminum alloy base material can meet the requirements of the aluminum alloy base material for display screen back plate of the LED television.
Description
Technical field
The present invention relates to the duraluminum technical field, relate in particular to a kind of photodiode (LED, Light Emitting Diode) used as television aluminum alloy base material working method.
Background technology
Flat panel TV (FPD, Flat Panel Display) development in recent years is swift and violent, and the flat panel TV that existing market is in dominant position mainly contains following two kinds: the one, and plasm TV, the 2nd, LCD TV.The LED TV is a kind of in the LCD TV, and at present, market is higher to the degree of recognition of LED TV, and the market requirement is bigger, and the LED TV surpasses 70% in the I and II market share at present.
Image display is one of core component of LED TV, and the support of image display and protection are main to be realized through its backboard, and backboard is the unique heat dissipation element of image display, and all kinds of wiring boards on the televisor also are installed on the backboard simultaneously.This just requires back veneer material to have good heat-conducting and certain intensity, and has good deep drawability, to satisfy the requirement of components and parts layout and installation on the backboard.
At present, the LED televisor generally adopts the main separation material of aluminum alloy materials as its display backplane, and the material of 5052 duraluminums as display backplane generally adopted in market, and it has proper intensity, good performance of heat dissipation and processability.But, 5052 aluminum alloy materials ubiquity unit elongation is on the low side, punching out the is easy to crack problems of manufacturing at present.
Summary of the invention
The present invention provides a kind of LED used as television aluminum alloy base material working method, and it is easy to crack and be applicable to the aluminum alloy base material of LED television display screen backboard that this method can be produced unit elongation height, punching out.
A kind of LED used as television aluminum alloy base material working method comprises:
Press metal mass percent Si＜0.20%, Fe＜0.30%, Cu＜0.10%, Mn＜0.10%, Mg are 1.85%～2.30%, and Cr is 0.12%～0.30%, and Zn＜0.10% is that Al prepares aluminium alloy stock with surplus;
Said aluminium alloy stock is manufactured the duraluminum finished product, said duraluminum finished product is annealed after cleaning said duraluminum finished surface; Said cleaning way is: with temperature more than 60 ℃, hydraulic pressure cleans with the speed less than 100m/min at said duraluminum finished surface greater than the water of 65kg; Said annealing way is: under inert-free gas protection, in box-type furnace, said duraluminum finished product temperature is controlled at 300 ℃～340 ℃, and heat tracing 3 is to 4 hours, again with per hour 20 ℃～40 ℃ speed furnace cooling;
Duraluminum finished product after said the annealing is carried out stretch-bend leveller handle, to obtain LED used as television aluminum alloy base material.
Optional, saidly said aluminium alloy stock is manufactured the duraluminum finished product comprise:
Said aluminium alloy stock is carried out melting under 730 ℃～770 ℃ high temperature, the melt that obtains being evenly distributed;
Said melt casting is become the ingot casting of rectangular parallelepiped, and said casting temp is 735 ℃～745 ℃;
Said ingot casting is carried out homogenizing handle, said homogenizing is handled said ingot casting is incubated 3～5 hours under 470 ℃～490 ℃ temperature, to optimize the ingot casting interior tissue;
The said ingot casting that carries out after homogenizing is handled is carried out hot continuous rolling, obtain the duraluminum coiled material;
Said duraluminum coiled material is carried out cold rolling, obtain said duraluminum finished product.
Optional, saidly duraluminum finished product after said the annealing is carried out stretch-bend leveller handle, also comprise after the LED used as television aluminum alloy base material obtaining:
Said LED used as television aluminum alloy base material is cut.
Through the description of above technical scheme, can find out that the present invention has the following advantages:
LED used as television aluminum alloy base material working method provided by the invention is made on the basis of composition at existing 5052 duraluminums during batching, readjusts the massfraction that each chemical ingredients accounts for aluminium alloy stock.And before the duraluminum finished product is annealed, the duraluminum finished product is cleaned and the standard cleaning parameters.When annealing, adopt batch annealing technology, and the adjustment annealing schedule, to obtain the uniform aluminum alloy surface of color and luster, guaranteed the intensity and the unit elongation of aluminum alloy base material.Use unique stretch-bend leveller technology when the duraluminum finished product is aligned, guarantee the planeness of aluminum alloy base material, stablize its yield tensile ratio.The inventive method can be produced the unit elongation height, and punching out is difficult for the rimose aluminum alloy base material, satisfies the aluminum alloy base material requirement of LED television display screen backboard.
Description of drawings
Fig. 1 is the inventive method first embodiment schema;
Fig. 2 is the inventive method second embodiment schema.
Embodiment
The invention provides a kind of LED used as television aluminum alloy base material working method, it is easy to crack and be applicable to the aluminum alloy base material of LED television display screen backboard that this method can be produced unit elongation height, punching out.
Describe in detail in the face of the inventive method down.
The key step schema of a kind of LED used as television aluminum alloy base material working method of first embodiment of the invention sees also Fig. 1, and this method steps mainly comprises:
101, batching.
On the basis of 5052 duraluminums, readjust the chemical ingredients proportioning.Press metal mass percent Si＜0.20%, Fe＜0.30%, Cu＜0.10%, Mn＜0.10%, Mg are 1.85%～2.30%, and Cr is 0.12%～0.30%, and Zn＜0.10% is that Al prepares aluminium alloy stock with surplus.Wherein, be 1.85%～2.30% through the content of controlling Mg, when can guarantee the intensity of aluminum alloy base material, increase the unit elongation of aluminum alloy base material.Control Fe＜0.30% and Si＜0.20%, can guarantee the tensile strength and the ys of aluminum alloy base material, also can guarantee the unit elongation of aluminum alloy base material simultaneously.
102, make the duraluminum finished product.
Chemical ingredients proportioning according to step 101 manufactures the duraluminum finished product with aluminium alloy stock.
103, clean.
In order to obtain the better aluminum alloy base material of chemical property, before annealing, remove the spot of aluminum alloy surface earlier.Wherein, the present embodiment standard cleaning parameters: the water temperature of cleaning more than 60 ℃, the hydraulic pressure that cleans is greater than 65kg.The control cleaning speed is less than 100m/min.
104, annealing.
The duraluminum finished product need carry out anneal after cleaning.In order to reduce cost and to make duraluminum finished surface color and luster even, annealing way adopts the mode of inert-free gas protection.Said duraluminum finished product is placed box-type furnace, and temperature is controlled at 300 ℃～340 ℃, with the heating of said duraluminum finished product and be incubated 3 to 4 hours, comes out of the stove with per hour 20 ℃～40 ℃ speed furnace cooling again.Through this annealing schedule, the duraluminum finished product can obtain the stable product mechanical property and color and luster is surperficial uniformly.
105, stretch-bend leveller.
Duraluminum finished product after annealing come out of the stove carries out stretch-bend leveller to be handled, and obtains LED used as television aluminum alloy base material.Wherein, through stretching and the crooked aligning mode that combines, LED used as television aluminum alloy base material planeness is in 1mm; Can eliminate its surperficial L defective; Guaranteed the planeness of LED used as television aluminum alloy base material, stablized its yield tensile ratio, punching out is not easy to crack; Unit elongation is high, satisfies the demand of the back veneer material of LED television display screen well.
The present embodiment method is through Chemical Composition proportioning, the adjustment cleaning parameters that improves duraluminum, the aligning mode of adjusting annealing schedule and bending stretch; Can produce the unit elongation height; Punching out is difficult for the rimose aluminum alloy base material, satisfies the aluminum alloy base material requirement of LED television display screen backboard.
The second embodiment of the present invention will be carried out detailed introduction to the steps flow chart of the described manufacturing duraluminum finished product of first enforcement.The inventive method second embodiment schema sees also Fig. 2, mainly comprises:
201, batching.
Press metal mass percent Si＜0.20%, Fe＜0.30%, Cu＜0.10%, Mn＜0.10%, Mg are 1.85%～2.30%, and Cr is 0.12%～0.30%, and Zn＜0.10% is that Al prepares aluminium alloy stock with surplus.Can carry out the step of next step melting after the preparing raw materials.See also table 1, table 1 is each component proportions table of aluminium alloy stock, can draw each metal ingredient ratio of aluminium alloy stock more intuitively through table 1.
Table 1
It is pointed out that and also indicate in the table 1 and contain a spot of other impurity in the said aluminium alloy stock that these other content of impurities are the impurity that can not remove in the actual production below 0.15%, can not cause the influence of essence to the over-all properties of aluminum alloy base material.
202, melting.
In order to make the aluminium alloy stock fusing, said aluminium alloy stock is carried out melting under 730 ℃～770 ℃ high temperature, aluminium alloy stock is melted fully, the melt that obtains being evenly distributed.
203, casting.
Said melt casting is become the ingot casting of rectangular parallelepiped, and wherein, casting temp is 735 ℃～745 ℃.
204, homogenizing is handled.
In order to optimize the interior tissue of said ingot casting, said ingot casting is carried out homogenizing handle.Wherein, said homogenizing is handled said ingot casting is incubated 3～5 hours under 470 ℃～490 ℃ temperature.
205, hot continuous rolling.
The said ingot casting that carries out after homogenizing is handled is carried out hot continuous rolling.Through obtaining the duraluminum coiled material after the hot continuous rolling.
206, cold rolling.
On the basis of said hot continuous rolling, the duraluminum coiled material is carried out cold rolling, obtain the duraluminum finished product.
207, clean.
In hot continuous rolling and cold rolling process, can make the duraluminum finished surface stay spots such as unnecessary chemical lotion or oil stain.In order to obtain the better aluminum alloy base material of performance, before annealing, remove the spot of duraluminum finished surface earlier.Wherein, here standard cleaning parameters, the water temperature of cleaning more than 60 ℃, the hydraulic pressure that cleans is greater than 65kg.The control cleaning speed is less than 100m/min, cleans at said duraluminum finished surface.
208, annealing.
The duraluminum finished product need carry out anneal after cleaning.In order to reduce production costs and to make duraluminum finished surface color and luster even, annealing way adopts the mode of inert-free gas protection.Said duraluminum finished product is placed box-type furnace, and temperature is controlled at 300 ℃～340 ℃, with the heating of said duraluminum finished product and be incubated 3 to 4 hours, comes out of the stove with per hour 20 ℃～40 ℃ speed furnace cooling again.Through this annealing schedule, the duraluminum finished product can obtain the stable product mechanical property and color and luster is surperficial uniformly.
209, stretch-bend leveller.
Duraluminum finished product after coming out of the stove is carried out stretch-bend leveller handle, obtain LED used as television aluminum alloy base material.Wherein, through stretching and the crooked aligning mode that combines, the planeness of LED used as television aluminum alloy base material is in 1mm; Can eliminate its surperficial L defective; Guarantee the planeness of LED used as television aluminum alloy base material, stablized its yield tensile ratio, and not easy to crack; Unit elongation is high, satisfies the aluminum alloy base material requirement of LED television display screen backboard well.
210, cut.
Aluminum alloy base material size according to actual needs cuts LED used as television aluminum alloy base material.
The present embodiment method is made on the basis of composition at 5052 duraluminums when batching, has readjusted the massfraction of each chemical ingredients.Before the duraluminum finished product is annealed, the duraluminum finished product is cleaned and the standard cleaning parameters.When annealing, adopt batch annealing technology, and the adjustment annealing schedule, to obtain the uniform aluminum alloy surface of color and luster, guaranteed the intensity and the unit elongation of aluminum alloy base material; Use unique stretch-bend leveller technology when the duraluminum finished product is aligned, guarantee the planeness of aluminum alloy base material, stablize its yield tensile ratio.The inventive method can be produced the unit elongation height, and punching out is difficult for the rimose aluminum alloy base material, satisfies the aluminum alloy base material requirement of LED television display screen backboard.
More than a kind of LED used as television aluminum alloy base material working method provided by the present invention has been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (3)
1. a LED used as television aluminum alloy base material working method is characterized in that, comprising:
Press metal mass percent Si＜0.20%, Fe＜0.30%, Cu＜0.10%, Mn＜0.10%, Mg are 1.85%～2.30%, and Cr is 0.12%～0.30%, and Zn＜0.10% is that Al prepares aluminium alloy stock with surplus;
Said aluminium alloy stock is manufactured the duraluminum finished product, said duraluminum finished product is annealed after cleaning said duraluminum finished surface; Said cleaning way is: with temperature more than 60 ℃, hydraulic pressure cleans with the speed less than 100m/min at said duraluminum finished surface greater than the water of 65kg; Said annealing way is: under inert-free gas protection, in box-type furnace, said duraluminum finished product temperature is controlled at 300 ℃～340 ℃, and heat tracing 3 is to 4 hours, again with per hour 20 ℃～40 ℃ speed furnace cooling;
Duraluminum finished product after said the annealing is carried out stretch-bend leveller handle, to obtain LED used as television aluminum alloy base material.
2. LED used as television aluminum alloy base material working method according to claim 1 is characterized in that, saidly said aluminium alloy stock is manufactured the duraluminum finished product comprises:
Said aluminium alloy stock is carried out melting under 730 ℃～770 ℃ high temperature, the melt that obtains being evenly distributed;
Said melt casting is become the ingot casting of rectangular parallelepiped, and said casting temp is 735 ℃～745 ℃;
Said ingot casting is carried out homogenizing handle, said homogenizing is handled said ingot casting is incubated 3～5 hours under 470 ℃～490 ℃ temperature, to optimize the ingot casting interior tissue;
The said ingot casting that carries out after homogenizing is handled is carried out hot continuous rolling, obtain the duraluminum coiled material;
Said duraluminum coiled material is carried out cold rolling, obtain said duraluminum finished product.
3. LED used as television aluminum alloy base material working method according to claim 1 and 2 is characterized in that, saidly duraluminum finished product after said the annealing is carried out stretch-bend leveller handles, and also comprises after the LED used as television aluminum alloy base material obtaining:
Said LED used as television aluminum alloy base material is cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110376618 CN102400017B (en) | 2011-11-23 | 2011-11-23 | Production method of aluminum alloy base material used for LED (light-emitting diode) television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110376618 CN102400017B (en) | 2011-11-23 | 2011-11-23 | Production method of aluminum alloy base material used for LED (light-emitting diode) television |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102400017A true CN102400017A (en) | 2012-04-04 |
| CN102400017B CN102400017B (en) | 2013-07-10 |
Family
ID=45882658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110376618 Active CN102400017B (en) | 2011-11-23 | 2011-11-23 | Production method of aluminum alloy base material used for LED (light-emitting diode) television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102400017B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556013A (en) * | 2013-11-12 | 2014-02-05 | 西南铝业（集团）有限责任公司 | Production process of aluminum alloy plate for notebook computer |
| CN108998701A (en) * | 2018-08-09 | 2018-12-14 | 广西柳州银海铝业股份有限公司 | IH electric cooker lid aluminum alloy base material production method |
| CN109161739A (en) * | 2018-10-26 | 2019-01-08 | 中铝西南铝冷连轧板带有限公司 | A kind of high brightness bottle lid of cosmetics aluminium alloy and production method |
| CN109487131A (en) * | 2018-11-16 | 2019-03-19 | 广西柳州银海铝业股份有限公司 | 5052 alloy door-plate aluminum alloy base material production methods |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220414A (en) * | 2008-01-30 | 2008-07-16 | 湖南晟通科技有限公司 | Technique for casting and rolling to produce 5052 alloy with electrolytic aluminium liquid short process flow |
| CN101935786A (en) * | 2010-08-16 | 2011-01-05 | 浙江巨科铝业有限公司 | Stabilizing processing method of 5052 aluminium alloy |
-
2011
- 2011-11-23 CN CN 201110376618 patent/CN102400017B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220414A (en) * | 2008-01-30 | 2008-07-16 | 湖南晟通科技有限公司 | Technique for casting and rolling to produce 5052 alloy with electrolytic aluminium liquid short process flow |
| CN101935786A (en) * | 2010-08-16 | 2011-01-05 | 浙江巨科铝业有限公司 | Stabilizing processing method of 5052 aluminium alloy |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556013A (en) * | 2013-11-12 | 2014-02-05 | 西南铝业（集团）有限责任公司 | Production process of aluminum alloy plate for notebook computer |
| CN103556013B (en) * | 2013-11-12 | 2016-03-16 | 西南铝业（集团）有限责任公司 | A kind of aluminum alloy plate for notebook computer production technique |
| CN108998701A (en) * | 2018-08-09 | 2018-12-14 | 广西柳州银海铝业股份有限公司 | IH electric cooker lid aluminum alloy base material production method |
| CN109161739A (en) * | 2018-10-26 | 2019-01-08 | 中铝西南铝冷连轧板带有限公司 | A kind of high brightness bottle lid of cosmetics aluminium alloy and production method |
| CN109487131A (en) * | 2018-11-16 | 2019-03-19 | 广西柳州银海铝业股份有限公司 | 5052 alloy door-plate aluminum alloy base material production methods |
| CN109487131B (en) * | 2018-11-16 | 2021-04-02 | 广西柳州银海铝业股份有限公司 | Production method of aluminum alloy base material for 5052 alloy door plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102400017B (en) | 2013-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102492880B (en) | Production method of aluminum alloy base material used for LED television sets | |
| CN103443307B (en) | The copper alloy plate of thermal diffusivity and alternating bending excellent in workability | |
| CN102400017B (en) | Production method of aluminum alloy base material used for LED (light-emitting diode) television | |
| CN105506407B (en) | A kind of manufacture method of building template aluminium alloy extrusions | |
| CN102658452B (en) | Processing method of copper strip used for copper steel composites | |
| CN104294194B (en) | A kind of manufacture method improving 3104 aluminium alloy strips Erichsen numbers | |
| CN100500904C (en) | Aluminum foil used for heat exchanger and manufacturing method thereof | |
| CN107699756B (en) | A kind of Al-Zn-Mg aluminum alloy thin plate and preparation method thereof | |
| CN102112641B (en) | Copper alloy material for electrical/electronic component | |
| CN103014410B (en) | Copper alloy and fabrication method thereof | |
| CN101960031A (en) | Aluminum alloy sheet with excellent post-fabrication surface qualities and method of manufacturing same | |
| CN102695813A (en) | Aluminum alloy wire | |
| CN107267803A (en) | The manufacture method of copper alloy plate and copper alloy plate | |
| CN102703776A (en) | Aluminum alloy substrate for light-emitting diode (LED) television and production method for aluminum alloy substrate | |
| JP2017179457A (en) | Al-Mg-Si-BASED ALLOY MATERIAL | |
| CN103495603A (en) | Production technology for aluminum alloy plates for coal conveyor | |
| CN112853167A (en) | Novel aluminum alloy extruded section and preparation method thereof | |
| CN104561642B (en) | Ultrathin high-conductivity Cr-Zr-Cu wire and preparation method thereof | |
| CN111621668A (en) | Nickel-silicon copper alloy strip and preparation method thereof | |
| CN102392159A (en) | Aluminium alloy substrate for LED television | |
| CN109136593B (en) | Wide aluminum alloy strip for middle plate of electronic product and preparation method thereof | |
| CN101653778B (en) | Warm-rolling manufacture method for magnesium or magnesium alloy sheet | |
| CN102337430A (en) | Aluminum alloy printing plate substrate and fabricating method thereof | |
| CN102534313A (en) | Er-added Al-Fe-Si aluminum foil material | |
| CN102586658A (en) | Aluminum alloy substrate for liquid-emitting diode (LED) television |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |