CN107433670A - The preparation method of mobile communication equipment shell - Google Patents
The preparation method of mobile communication equipment shell Download PDFInfo
- Publication number
- CN107433670A CN107433670A CN201710482840.XA CN201710482840A CN107433670A CN 107433670 A CN107433670 A CN 107433670A CN 201710482840 A CN201710482840 A CN 201710482840A CN 107433670 A CN107433670 A CN 107433670A
- Authority
- CN
- China
- Prior art keywords
- communication equipment
- mobile communication
- preparation
- equipment shell
- shell according
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
- B28B3/2654—Means for heating or cooling the die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
- B28B3/2681—Adjustable dies, e.g. for altering the shape of the product
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The present invention provides a kind of preparation method of mobile communication equipment shell, using the mode for first preparing planar sample hot bending again, avoids the risk that deformation is caused to shaped article sintering, the yield of product is greatly improved, so as to reduce production cost；Simultaneously because added certain pressure in sintering process, the better performances such as the product consistency finally made, fracture toughness, bending strength.
Description
Technical field
The present invention relates to ceramic product field, more particularly to a kind of preparation method of mobile communication equipment shell.
Background technology
With the continuous development of mobile phone mobile network, existing 4g technologies can not meet the need of high-rate information transmission
Ask, and the material of design and shell of the 5g technologies for antenna for mobile phone proposes tightened up requirement.Ripe application at present
The technique of metal chassis plus nano injection can not meet 5g semaphore requests, although glass has good signal penetration capacity,
But strength of glass is relatively low, fall easy fragmentation.Therefore ceramics become at present the case material of future generation of most application prospect.
Currently for the preparation of ceramic manual casing, generally directly processed using CNC (Digit Control Machine Tool) and dry-pressing in advance into
CNC processes two schemes again after type, and the direct processing methods of CNC are directly to process a ceramic slab by way of CNC processing
Into mobile phone shell；And for the first dry-pressing scheme that CNC is processed again after preforming, it is the side that green compact or pre-sintered body are passed through into CNC
Formula is processed into the mobile phone shell with certain surplus, is then sintered, and finally carries out CNC finishing to sintered body.It is straight for CNC
The scheme of processing is connect, due to being directly to go to be processed into mobile phone shell with one block of slab, its material cost, processing cost are higher, and add
Work efficiency rate is low, and market is less using this scheme；For the first dry-pressing scheme that CNC is processed again after preforming, because its is sintered
Deform larger in journey, yield is relatively low, and homogeneity of product is relatively low, while still needs to CNC and process again, its processing efficiency still generally compared with
Low, cost is also higher.Both approaches are directed to sintering simultaneously, can thus increase the wind of deformation of products in sintering process
Danger, so as to which yield is relatively low.
Therefore, it is necessary to a kind of preparation method of new mobile communication equipment shell is provided to solve the above problems.
The content of the invention
The technical problem to be solved in the invention is to provide a kind of communication equipment shell preparation method, to solve existing method
Processing efficiency is low, and yield is low, the problem of being easily deformed.
In order to solve the above technical problems, the invention provides a kind of preparation method of mobile communication equipment shell, including such as
Lower step：
Step S1：The preparation of planar sample；
Step S2：The planar sample is placed into default mobile communication equipment outer casing mold, in heating and cooling process
It is middle that hot bending is carried out using pressuring method, to obtain the shifting of the ceramic of compact structure consistent with mobile communication equipment outer casing mold shape
Dynamic communication equipment shell；
The step S1 includes：
Step S11：Zirconia ceramics powder and solvent, bonding agent are mixed to form mixed slurry；
Step S12：The mixed slurry obtains the Ranvier's membrane band of individual layer by way of flow casting molding, by lamination and waits
The mode of static pressure prepares at least one layer of superposition film strips on the Ranvier's membrane band；
Step S13：Carry out degreasing and sintering obtains planar sample semi-finished product；
Step S14：Planar sample semi-finished product obtained by step S13 are subjected to plain grinding to obtain plane sample in uniform thickness
Product.
Preferably, the hot bending temperature in step S2 is 700-1000 DEG C, soaking time 0-5min, pressure 0-1000N.
Preferably, the default mobile communication equipment outer casing mold is prepared using graphite, carborundum or composite.
Preferably, added with yittrium oxide, titanium oxide, silica in the zirconia ceramics powder in the step S11
Anticipate one or more powders.
Preferably, the solvent in the step S11 is alcohol or toluene.
Preferably, the bonding agent in the step S11 is any one in B98, B76 or B79.
Preferably, the thickness of the Ranvier's membrane band obtained in the step S12 is 0-1mm.
Preferably, the degreasing method in the step S13 is the degreasing 20-50h at 300-600 DEG C.
Preferably, the temperature of the sintering in the step S13 is 1200-1500 DEG C, and heating rate is 0-5 DEG C/min, and
It is incubated 0-5h.
Compared to prior art, the preparation method of mobile communication equipment shell of the invention is using first preparing plane sample
The mode of product hot bending again, the risk that deformation is caused to shaped article sintering is avoided, the yield of product is greatly improved, so as to reduce
Production cost；It is the product consistency finally made, fracture toughness, anti-simultaneously because added certain pressure in sintering process
The better performances such as curved intensity.
Brief description of the drawings
Fig. 1 is the schematic diagram of the preparation method of communication equipment shell of the present invention.
Embodiment
Below in conjunction with drawings and embodiments, the invention will be further described.
Shown in reference picture 1, the present invention provides a kind of preparation method of communication equipment shell, and it has the yield of high product,
So as to reduce the beneficial effect of the better performances such as production cost, product consistency, fracture toughness, bending strength.
Specifically comprise the following steps：
Step S1：The preparation of planar sample；
Step S2：The planar sample is placed into pre-designed mobile communication equipment outer casing mold, lifted
Hot bending is carried out using pressuring method during temperature, zirconia ceramics material is obtained and is moved under the comprehensive function of temperature and pressure
The mobile communication equipment shell of the consistent ceramic of compact structure of dynamic communication equipment outer casing mold shape；
Wherein, default mobile communication equipment outer casing mold is prepared using graphite, carborundum or composite.Hot bending is set
Standby is hot-bending machine.Wherein hot bending temperature is 700-1000 DEG C, soaking time 0-5min, it is preferred that under 0-1000N pressure
Carry out, so, finer and close ceramic structure can be obtained.
Step S1 is specifically included：
Step S11, slurry mixing：Zirconia ceramics powder and solvent, bonding agent are mixed to form mixed slurry；
Added with any one or more powder in yittrium oxide, titanium oxide, silica wherein in zirconia ceramics powder；It is molten
Agent is alcohol or toluene；Bonding agent is any one in B98, B76 or B79.
Step S12, shaping：Mixed slurry obtains Ranvier's membrane of the thickness in 0-1mm individual layer by way of flow casting molding
Band, the superposition film strips of different-thickness are prepared on Ranvier's membrane band by way of lamination and isostatic pressed, then cut out multilayer film band
Cut the product of certain size；
Step S13：Planar sample semi-finished product are obtained by degreasing and pre-sintering, including：
Step S131, degreasing：The degreasing 20-50h at 300-600 DEG C of temperature.
Step S132, sintering：Sintering temperature be 1200-1500 DEG C, soaking time 0-5h, heating rate be 0-5 DEG C/
min。
Step S14：Planar sample semi-finished product obtained by step S13 are subjected to plain grinding to obtain plane sample in uniform thickness
Product, consequently facilitating carrying out hot bending.
Compared to prior art, the preparation method of mobile communication equipment shell of the invention is using first preparing plane sample
The mode of product hot bending again, the risk that deformation is caused to shaped article sintering is avoided, the yield of product is greatly improved, so as to reduce
Production cost；It is the product consistency finally made, fracture toughness, anti-simultaneously because added certain pressure in sintering process
The better performances such as curved intensity.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of preparation method of mobile communication equipment shell, it is characterised in that comprise the following steps：
Step S1：The preparation of planar sample；
Step S2：The planar sample is placed into default mobile communication equipment outer casing mold, adopted in heating and cooling process
Hot bending is carried out with pressuring method, is led to obtaining the movement of the ceramic of compact structure consistent with mobile communication equipment outer casing mold shape
Believe device housings；
The step S1 includes：
Step S11：Zirconia ceramics powder and solvent, bonding agent are mixed to form mixed slurry；
Step S12：The mixed slurry obtains the Ranvier's membrane band of individual layer by way of flow casting molding, passes through lamination and isostatic pressed
Mode at least one layer of superposition film strips are prepared on the Ranvier's membrane band；
Step S13：Carry out degreasing and sintering obtains planar sample semi-finished product；
Step S14：Planar sample semi-finished product obtained by step S13 are subjected to plain grinding to obtain planar sample in uniform thickness.
2. the preparation method of mobile communication equipment shell according to claim 1, it is characterised in that the hot bending in step S2
Temperature is 700-1000 DEG C, soaking time 0-5min, pressure 0-1000N.
3. the preparation method of mobile communication equipment shell according to claim 1, it is characterised in that the default movement
Communication equipment outer casing mold is prepared using graphite, carborundum or composite.
4. the preparation method of mobile communication equipment shell according to claim 1, it is characterised in that in the step S11
Zirconia ceramics powder in added with yittrium oxide, titanium oxide, any one or more powder in silica.
5. the preparation method of mobile communication equipment shell according to claim 1, it is characterised in that in the step S11
Solvent be alcohol or toluene.
6. the preparation method of mobile communication equipment shell according to claim 1, it is characterised in that in the step S11
Bonding agent be B98, B76 or B79 in any one.
7. the preparation method of mobile communication equipment shell according to claim 1, it is characterised in that in the step S12
The thickness of the Ranvier's membrane band of acquisition is 0-1mm.
8. the preparation method of mobile communication equipment shell according to claim 1, it is characterised in that in the step S13
Degreasing method be at 300-600 DEG C degreasing 20-50h.
9. the preparation method of mobile communication equipment shell according to claim 1, it is characterised in that in the step S13
Sintering temperature be 1200-1500 DEG C, heating rate is 0-5 DEG C/min, and is incubated 0-5h.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482840.XA CN107433670A (en) | 2017-06-22 | 2017-06-22 | The preparation method of mobile communication equipment shell |
| US15/869,179 US10793475B2 (en) | 2017-06-22 | 2018-01-12 | Method for making housing for mobile communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482840.XA CN107433670A (en) | 2017-06-22 | 2017-06-22 | The preparation method of mobile communication equipment shell |
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| Publication Number | Publication Date |
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| CN107433670A true CN107433670A (en) | 2017-12-05 |
Family
ID=60458793
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|---|---|---|---|
| CN201710482840.XA Pending CN107433670A (en) | 2017-06-22 | 2017-06-22 | The preparation method of mobile communication equipment shell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143818A (en) * | 2018-02-12 | 2019-08-20 | 比亚迪股份有限公司 | A kind of preparation method and ceramic shell of ceramic shell |
| CN110395981A (en) * | 2019-08-13 | 2019-11-01 | Oppo广东移动通信有限公司 | 2.5D or 3D ceramic shell and preparation method thereof and electronic equipment |
| CN110757630A (en) * | 2019-10-11 | 2020-02-07 | Oppo广东移动通信有限公司 | Preparation method of ceramic structural member, ceramic structural member and electronic equipment |
| CN113979722A (en) * | 2021-11-25 | 2022-01-28 | 东莞市唯美陶瓷工业园有限公司 | Ceramic blank and ceramic curved rock plate |
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| CN106495691A (en) * | 2016-11-02 | 2017-03-15 | 湖南正阳精密陶瓷有限公司 | A kind of zirconia ceramics fingerprint recognition thin slice and its preparation and application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143818A (en) * | 2018-02-12 | 2019-08-20 | 比亚迪股份有限公司 | A kind of preparation method and ceramic shell of ceramic shell |
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| CN110395981A (en) * | 2019-08-13 | 2019-11-01 | Oppo广东移动通信有限公司 | 2.5D or 3D ceramic shell and preparation method thereof and electronic equipment |
| CN110395981B (en) * | 2019-08-13 | 2022-03-22 | Oppo广东移动通信有限公司 | 2.5D or 3D ceramic shell, preparation method thereof and electronic equipment |
| CN110757630A (en) * | 2019-10-11 | 2020-02-07 | Oppo广东移动通信有限公司 | Preparation method of ceramic structural member, ceramic structural member and electronic equipment |
| WO2021068722A1 (en) * | 2019-10-11 | 2021-04-15 | Oppo广东移动通信有限公司 | Preparation method for ceramic structure, ceramic structure and electronic device |
| CN113979722A (en) * | 2021-11-25 | 2022-01-28 | 东莞市唯美陶瓷工业园有限公司 | Ceramic blank and ceramic curved rock plate |
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Application publication date: 20171205 |