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A mobile communication device shell and its preparation method

A technology for mobile communication equipment and casings, which is applied in heat treatment equipment, manufacturing tools, furnace types, etc., can solve the problems of easy deformation of casings, poor texture, and easy brittle plastic products, saving time, cost, and good quality. Hardening effect, effect of reducing post-quenching stress

Inactive Publication Date: 2016-09-07
东莞市万炫实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the casings of mobile communication devices such as mobile phones are mostly plastic products. First, the texture of plastic products is not very good, and the customer experience is not friendly. Secondly, when the ambient temperature changes, its quality cannot be guaranteed. For example, after the temperature drops in winter, plastic products tend to become brittle. And when encountering a high temperature environment (such as in a car in summer), it will affect the performance of the internal mobile phone, and at the same time, plastic products cannot effectively prevent bacteria
At present, the casings of some mobile communication devices are also made of metal, but it will inevitably cause problems such as fingerprints during use, and if the casing is set thicker, it cannot guarantee the lightness of mobile phones and other equipment. If it is too thin, the casing is easily deformed, and the overall cost of a metal phone casing is higher than that of a plastic casing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for preparing a housing of a mobile communication device, comprising the steps of:

[0032] 1) Select 06Cr19Ni10 stainless steel as the raw material, use inert gas to flush the vacuum induction furnace 5 times, melt the 06Cr19Ni10 stainless steel raw material in the vacuum induction furnace, and keep the vacuum degree in the vacuum induction furnace at 2 X 10 -4 mbar, keep warm for 9 minutes after smelting, and then take out the furnace for centrifugal casting, the centrifugal speed is 206 rpm, and the casting time is 6.8s. Through this precision casting, a semi-finished mobile communication device casing is formed; 2) Pretreatment before annealing: the The semi-finished mobile communication equipment casing is placed in a continuous hydrogen-injected bright annealing furnace, and hydrogen is introduced as a protective gas, heated to 450°C at a heating rate of 6°C / s, kept for 3.8min, and then heated at a heating rate of 12°C / s Heating to 905°C, holding for 8 mi...

Embodiment 2

[0034]A mobile communication device casing, the mobile communication device is a mobile phone, and its preparation method includes the following steps: 1) raw material selection: select 06Cr19Ni10 stainless steel precision casting as the semi-finished product of the mobile communication device casing; 2) pretreatment before annealing: the step 1 Put the semi-finished product of the mobile communication equipment shell into a continuous hydrogen-injected bright annealing furnace, pass in hydrogen as a protective gas, heat it to 452°C at a heating rate of 10°C / s, hold it for 4 minutes, and then heat it at a heating rate of 11°C / s Heating rate to 912°C, keep warm for 6min; 3) Annealing: continue to heat the semi-finished product in step 2 to the annealing temperature, keep warm for 19min, and then take it out of the furnace and air cool to room temperature, wherein the annealing temperature is 1142°C; 4) Grinding treatment: on The semi-finished product after annealing is subjected...

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Abstract

The invention relates to a mobile communication device shell and a preparation method thereof, including the steps of raw material selection, pretreatment before annealing, annealing, grinding treatment, quenching, tempering, cryogenic treatment, etc., by combining precision casting with specific heat treatment and The use of the specific quenching oil enables the obtained communication equipment casing to have properties such as low cost, high strength and rigidity, good texture, and not easily polluted.

Description

technical field [0001] The invention belongs to the fields of heat treatment and mobile communication, and in particular relates to a method for producing a casing of a mobile communication device through a preparation method including heat treatment and a product obtained therefrom. Background technique [0002] At present, the casings of mobile communication devices such as mobile phones are mostly plastic products. First, the texture of plastic products is not very good, and the customer experience is not friendly. Secondly, when the ambient temperature changes, its quality cannot be guaranteed. For example, after the temperature drops in winter, plastic products tend to become brittle. And when it encounters a high temperature environment (such as in a car in summer), it will affect the performance of the internal mobile phone, and at the same time, plastic products cannot effectively prevent bacteria. At present, the casings of some mobile communication devices are also...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/26C21D1/18C21D6/04
CPCB22D13/00C21D1/18C21D1/26C21D1/58C21D6/004C21D6/04C21D9/0068
Inventor 马双斌
Owner 东莞市万炫实业有限公司