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Manufacturing method of aluminum alloy shell

A technology of aluminum alloy and casing, which is applied in the field of preparation of aluminum alloy casing, can solve the problems of severe material structure segregation, poor mechanical properties, and less internal structure segregation, etc., and achieve good mechanical properties and appearance effects, and high production efficiency , The effect of simple process

Inactive Publication Date: 2016-05-25
GUANGDONG EVERWIN PRECISION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shell prepared by die-casting can obtain more complex structural features, but its mechanical properties are relatively poor, especially the plasticity; and after die-casting, the internal structure of the material is seriously segregated, and the effect of subsequent anodic oxidation treatment is poor, which leads to the apparent effect Difference
The shell prepared by the stamping method has less internal structure segregation, and the effect of subsequent anodic oxidation is good, and a good appearance effect can be obtained, but the product shell is mainly formed by stretching, bending, etc., and the product cross-section The thickness is consistent, so products with complex structural features cannot be formed

Method used

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Examples

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Effect test

preparation example Construction

[0013] The invention provides a method for preparing an aluminum alloy shell, which comprises the following steps:

[0014] S110, blanking: cutting the aluminum alloy billet into a preset size to obtain a blanking piece.

[0015] For example, a shearing machine is used to cut an aluminum alloy billet into a required size to obtain a blank. That is, under the action of the blade of the shearing machine, the aluminum alloy billet produces bending and tensile deformation, and when the stress exceeds the shear strength, it breaks to form a billet of a certain size, and the blank is obtained. For example, the aluminum alloy blank in the present invention is a 6-series aluminum alloy, such as aluminum alloys with models 6061, 6063, and 6463.

[0016] S120, solution treatment: performing solution treatment on the blanked parts to obtain solution treated parts.

[0017] The solution treatment (Solution treatment) refers to a heat treatment process in which the alloy is heated to a h...

Embodiment 1

[0036] Cutting: cutting the 6-series aluminum alloy billet into a preset size to obtain the blanking parts;

[0037] Solution treatment: place the blanking part at a temperature of 530° C. for 90 minutes, and then cool it with cold water to obtain a solution treatment part;

[0038] Lubrication treatment: performing lubrication treatment on the solid solution treatment piece;

[0039] Forging and forming: After the solution treated part is cold forged twice, trimming and / or cutting holes are performed, and then cold forging is performed to obtain a forging formed part;

[0040] Aging treatment: place the forged and pressed parts at 175°C for 8 hours;

[0041] Finishing: CNC is used to finish the aluminum alloy shell;

[0042] Anodizing treatment: Anodizing the finished workpiece.

Embodiment 2

[0044] Cutting: cutting the 6-series aluminum alloy billet into a preset size to obtain the blanking parts;

[0045] Solution treatment: the blanking parts were kept at a temperature of 535°C for 90 minutes, and then cooled with cold water to obtain solid solution treatment parts;

[0046] Lubrication treatment: performing lubrication treatment on the solid solution treatment piece;

[0047] Forging and forming: After the solution treated part is cold forged twice, trimming and / or hole cutting is performed, and then cold forging is performed twice to obtain a forging formed part;

[0048] Aging treatment: place the forged and pressed parts at 180°C for 8 hours;

[0049] Finishing: use CNC to finish the workpiece after aging treatment;

[0050] Anodic oxidation treatment: anodic oxidation treatment is performed on the finished workpiece.

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Abstract

A manufacturing method of an aluminum alloy shell comprises the following steps: blanking: cutting an aluminum alloy blank according to a preset size to obtain a blanked component; performing solid solution treatment: performing solid solution treatment on the blanked component to obtain a solid solution treatment component; forging and shaping: forging and shaping the solid solution treatment component to obtain a forged and shaped component; and performing aging treatment: performing aging treatment on the forged and shaped component to obtain the aluminum alloy shell. The manufacturing method of the aluminum alloy shell is simple in process and relatively high in production efficiency; the aluminum alloy shell is relatively good in mechanical properties and appearance effect; manufacturing requirements of the shell with complicated structural characteristics can be met.

Description

technical field [0001] The invention relates to an aluminum alloy processing method, in particular to a preparation method of an aluminum alloy shell. Background technique [0002] With the rapid development of the digital electronics industry and the communication industry, the popularity of electronic products such as mobile phones, notebook computers, and digital cameras is increasing day by day, becoming necessary daily necessities for everyone. In order to improve the market competitiveness of various electronic products, manufacturers not only actively improve the performance of digital electronic products, but also try their best to improve the aesthetics and portability of the products, so as to gain more favor from consumers. Aluminum alloy casing can bring unparalleled visual impact, and has the advantages of fine touch, drop resistance, corrosion resistance, light weight, etc. It has always been favored by consumers and represents the development direction of high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21K21/04
CPCB21K21/04
Inventor 毕建军
Owner GUANGDONG EVERWIN PRECISION TECH
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