CN106807609A - A kind of preparation technology of shells ceramic structure - Google Patents
A kind of preparation technology of shells ceramic structure Download PDFInfo
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- CN106807609A CN106807609A CN201710025446.3A CN201710025446A CN106807609A CN 106807609 A CN106807609 A CN 106807609A CN 201710025446 A CN201710025446 A CN 201710025446A CN 106807609 A CN106807609 A CN 106807609A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/101—Pretreatment of polymeric substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/104—Pretreatment of other substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
- B05D2203/35—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2420/00—Indexing scheme corresponding to the position of each layer within a multilayer coating relative to the substrate
- B05D2420/01—Indexing scheme corresponding to the position of each layer within a multilayer coating relative to the substrate first layer from the substrate side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Dental Prosthetics (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention provides a kind of preparation technology of shells ceramic structure, including：1）Shells is molded；2）Liquid medicine corrodes；3）Spray PU priming paint 2 times, each PU thickness is 30 70 μm；Form two-layer prime coat；4）1 3h is toasted at 70 90 DEG C；5）Polishing, cleaning 13 times；6）0.5 2h to drying is toasted at 65 90 DEG C；7）The middle enamelled coating of spraying color with needed at a temperature of 65 90 DEG C, thickness is 10 15 μm；8）At a temperature of 35 55 DEG C, UV top coat layers are sprayed, thickness is 25 35 μm, and UV energy is 900 1000mj/cm2；9）Optical coating forms mirror effect, and being obtained has shells ceramic structure.The ceramic structure surface of shells of the invention reaches the appearance of ceramics, any surface finish, and hardness reaches pencil test 7H and vibrations anti-wear performance reaches stone test 3H, and anti-fingerprint, dust protection is adhered to, while it is good to remain excellent bending impact resistance, it is with high performance-price ratio.
Description
Technical field
The invention belongs to Segway Human Transporter manufacture field, more particularly to a kind of preparation technology of shells ceramic structure.
Background technology
With the fast development of intelligent electronic product, the function of the various colorfuls of intelligent electronic product is more and more richer
The rich life of people, is favored by people.Wherein the various shells of electronic product manufacture also more and more diversified and individual character
Change, to meet the demand of different user colony.
For example, in view of reducing the consideration in terms of manufacturing cost, the shell of current electronic product such as mobile phone generally uses modeling
Glue material matter, because the housing outward appearance of plastic cement material is more dull ugly, therefore develops more surface decoration tech, such as surface
Spraying, non-conducting vacuum metallization, printing, IMD, IML etc..Wherein non-conducting vacuum metallization process is popular in recent years
The surface decoration tech for getting up, have through the plastic casing surface after non-conducting vacuum metalized metallic luster with it is non-conductive
The characteristics of, extensively it is received by the market.Surface can be as full light or dumb light, to meet different user when the shells of shell is processed
Hobby.Wherein full light shells surface makes very bright and clean, can produce mirror-reflection, dazzle.But, realizing mistake of the invention
Cheng Zhong, inventor has found that prior art at least has the disadvantage that：Existing spraying, NCVM techniques can only accomplish product table mask
It is glossy, but hardness aspect is undesirable, high temperature or low temperature lower shell unstable properties, and ultraviolet irradiation lower shell is susceptible to become
Change.
Therefore, the appearance and hardness that how to improve shells are the key issues for improving shells at present.
The content of the invention
For the problems of the prior art, shell is made it is an object of the invention to provide a kind of manufacture craft of shells ceramic structure
Part surface reaches the appearance of ceramics, any surface finish, and hardness reaches pencil test 7H and vibrations anti-wear performance reaches stone survey
Examination 3H, and anti-fingerprint, dust protection adhesion, while it is good to remain excellent bending impact resistance, it is with high performance-price ratio.
To realize object above, the technical scheme is that：
A kind of preparation technology of shells ceramic structure, including：1）Shells is molded；2）Liquid medicine corrodes；3）Spray PU priming paint 2 times, every time
PU thickness is 30-70 μm；Form two-layer prime coat；4）1-3h is toasted at 70-90 DEG C；5）Polishing, cleaning 1-3 times；6）65-90℃
Lower baking 0.5-2h is extremely dried；7）The middle enamelled coating of spraying color with needed at a temperature of 65-90 DEG C, thickness is 10-15 μm；8）
At a temperature of 35-55 DEG C, UV top coat layers are sprayed, thickness is 25-35 μm, and UV energy is 900-1000mj/cm2；9）Optical coating
Mirror effect is formed, being obtained has shells ceramic structure.
The shells is die casting or moulding；Shells material is plastic cement, glass or metal.
The step 1）With 2）Between be additionally provided with cleaning step, will be molded shells degreasing treatment.
The step 2）Liquid medicine corrosion used liquid medicine be dichloromethane, chloroform, NaOH, potassium hydroxide
Any one.
Step 5）In technique for grinding, grind off 20-30 μm every time with 2000 mesh sand paper.
Optical coating is vacuum splashing and plating metal film, and thickness is 50-500nm.
Described shells ceramic structure, for digital product, medical treatment, Wearable product, intelligent robot product shell.
The beneficial effects of the invention are as follows：
1st, the ceramic structure surface of shells of the invention reaches the appearance of ceramics, any surface finish, and hardness reaches pencil test
7H and vibrations anti-wear performance reach stone test 3H, and anti-fingerprint, dust protection adhesion, while it is resistance to remain excellent bending
Impact is good, is with high performance-price ratio.
2. the ceramic structure surface of shells of the invention is that can be widely applied to digital product, medical treatment, Wearable product, intelligence
The shell of energy robot product, instead of traditional spraying or plate surface, with extraordinary economic benefit and the market competitiveness.
3rd, the present invention is corroded shells surface exhibits nano-scale line by liquid medicine, improves the tack of prime coat.
Specific embodiment
Further illustrate specific embodiment of the invention.
Embodiment 1：
A kind of preparation technology of shells ceramic structure, including：
1）The plastic cement shells of injection moulding, removes burr；
2）Degreasing cleaning treatment is carried out, uses the electrostatic cloth for speckling with alcohol or naphtha to wipe plastic casing to remove residual oil
It is dirty；
3）Plastic cement shells is immersed in dichloromethane and is corroded 4-45 minutes, make shells surface exhibits nano-scale lines；
4）Ground floor PU is sprayed at a temperature of spraying bottom, 75 DEG C ± 10 DEG C for the first time, thickness is 50 μm, levelling 30min;
5）Second layer PU is sprayed at a temperature of spraying bottom, 75 DEG C ± 10 DEG C for second, thickness is 50 μm, levelling 30min;
6）2h is toasted at a temperature of 80 DEG C ± 10 DEG C parches it；
7）Normal temperature, time about 30min-1h are cooled to by the way of air-cooled；
8）Polished with 2000 mesh fine sandpapers at normal temperatures, grind off the PU sprays bottom of 20-30 μ m thicks；
9）Debris are washed off with clear water；
10）Second PU sprays bottom of polishing removal 20-30 μ m thicks, makes surfacing smooth, then cleans removal of impurities with clear water
Thing；
11）Heat dries 1h at a temperature of 75 DEG C ± 10 DEG C；
12）10-15 μ m thicks plus color middle enamelled coating is sprayed at a temperature of 75 DEG C ± 10 DEG C, the time is about 30 seconds；
13）UV top coat layers, levelling 10min are sprayed at a temperature of 45 DEG C ± 10 DEG C；UV energy is 900-1000mj/cm2；
14）Optical coating, vacuum splashing and plating metal film, thickness is 50-500nm, obtains the shells ceramic structure of embodiment 1.
Embodiment 2：
A kind of preparation technology of shells ceramic structure, including：
1）The metal casing of CNC die casts；
2）Degreasing cleaning treatment is carried out, uses the electrostatic cloth for speckling with alcohol or naphtha to wipe metal casing to remove residual oil
It is dirty；
3）Middle corrosion 4-45 minutes that shells is immersed in the hydrochloric acid solution of mass percent 5%, makes shells surface exhibits nano-scale line
Road；
4）Ground floor PU is sprayed at a temperature of spraying bottom, 75 DEG C ± 10 DEG C for the first time, thickness is 50 μm, levelling 30min;
5）Second layer PU is sprayed at a temperature of spraying bottom, 75 DEG C ± 10 DEG C for second, thickness is 50 μm, levelling 30min;
6）2h is toasted at a temperature of 80 DEG C ± 10 DEG C parches it；
7）Normal temperature, time about 30min-1h are cooled to by the way of air-cooled；
8）Polished with 2000 mesh fine sandpapers at normal temperatures, grind off the PU sprays bottom of 20-30 μ m thicks；
9）Debris are washed off with clear water；
10）Second PU sprays bottom of polishing removal 20-30 μ m thicks, makes surfacing smooth, then cleans removal of impurities with clear water
Thing；
11）Heat dries 1h at a temperature of 75 DEG C ± 10 DEG C；
12）10-15 μ m thicks plus color middle enamelled coating is sprayed at a temperature of 75 DEG C ± 10 DEG C, the time is about 30 seconds；
13）UV top coat layers, levelling 10min are sprayed at a temperature of 45 DEG C ± 10 DEG C；UV energy is 900-1000mj/cm2；
14）Optical coating, vacuum splashing and plating metal film, thickness is 50-500nm, obtains the shells ceramic structure of embodiment 2.
Embodiment 3：
A kind of preparation technology of shells ceramic structure, including：
1）Formed in mould glass shells；
2）Shells is immersed and is corroded 4-45 minutes in the sodium hydroxide solution that mass percent is 12%, make shells surface occur receiving
Meter level lines；
3）Ground floor PU is sprayed at a temperature of spraying bottom, 75 DEG C ± 10 DEG C for the first time, thickness is 50 μm, levelling 30min;
4）Second layer PU is sprayed at a temperature of spraying bottom, 75 DEG C ± 10 DEG C for second, thickness is 50 μm, levelling 30min;
5）2h is toasted at a temperature of 80 DEG C ± 10 DEG C parches it；
6）Normal temperature, time about 30min-1h are cooled to by the way of air-cooled；
7）Polished with 2000 mesh fine sandpapers at normal temperatures, grind off the PU sprays bottom of 20-30 μ m thicks；
8）Debris are washed off with clear water；
9）Second PU sprays bottom of polishing removal 20-30 μ m thicks, makes surfacing smooth, then cleans removal of impurities with clear water
Thing；
10）Heat dries 1h at a temperature of 75 DEG C ± 10 DEG C；
11）10-15 μ m thicks plus color middle enamelled coating is sprayed at a temperature of 75 DEG C ± 10 DEG C, the time is about 30 seconds；
12）UV top coat layers, levelling 10min are sprayed at a temperature of 45 DEG C ± 10 DEG C；UV energy is 900-1000mj/cm2；
13）Optical coating, vacuum splashing and plating metal film, thickness is 50-500nm, obtains the shells ceramic structure of embodiment 3.
Shells ceramic structure prepared by embodiment 1-3 is carried out into performance test, following standard can be reached：-40℃-
2H keeps performance constant at a temperature of 100 DEG C；Pencil hardness 7H；Drop hammer equal OK；The equal OK of ultraviolet lighting；Vibrate wear-resisting 2H, OK.
Shown by above example, the ceramic structure of shells prepared by preparation technology of the invention reaches the outward appearance of ceramics
Effect, any surface finish, hardness reaches pencil test 7H and vibrations anti-wear performance reaches stone test 3H, and anti-fingerprint, anti-gray
Dirt is adhered to, while it is good to remain excellent bending impact resistance, it is with high performance-price ratio.
The above is not imposed any restrictions to technical scope of the invention, and all foundation the technology of the present invention are substantially to the above
Any modification, equivalent variations and modification that embodiment is made, still fall within the range of technical scheme.
Claims (7)
1. a kind of preparation technology of shells ceramic structure, it is characterised in that：Including：1）Shells is molded；2）Liquid medicine corrodes；3）Spray PU
Priming paint 2 times, each PU thickness is 30-70 μm；Form two-layer prime coat；4）1-3h is toasted at 70-90 DEG C；5）Polishing, cleaning 1-3
It is secondary；6）0.5-2h to drying is toasted at 65-90 DEG C；7）The middle enamelled coating of spraying color with needed for, thickness at a temperature of 65-90 DEG C
It is 10-15 μm；8）At a temperature of 35-55 DEG C, UV top coat layers are sprayed, thickness is 25-35 μm, and UV energy is 900-1000mj/
cm2；9）Optical coating forms mirror effect, and being obtained has shells ceramic structure.
2. the preparation technology of shells ceramic structure according to claim 1, it is characterised in that：The shells be die casting or
Moulding；Shells material is plastic cement, glass or metal.
3. the preparation technology of shells ceramic structure according to claim 1, it is characterised in that：The step 1）With 2）Between
Cleaning step is additionally provided with, the shells degreasing treatment that will be molded.
4. the preparation technology of shells ceramic structure according to claim 1, it is characterised in that：The step 2）Liquid medicine it is rotten
Erosion liquid medicine used is any one of dichloromethane, chloroform, NaOH, potassium hydroxide.
5. the preparation technology of shells ceramic structure according to claim 1, it is characterised in that：Step 5）In polishing work
Skill, 20-30 μm is ground off with 2000 mesh sand paper every time.
6. the preparation technology of shells ceramic structure according to claim 1, it is characterised in that：Optical coating is vacuum splashing and plating
Metal film, thickness is 50-500nm.
7. the shells ceramic structure described in any one of claim 1-6, it is characterised in that：For digital product, medical treatment, Wearable
The shell of product, intelligent robot product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025446.3A CN106807609A (en) | 2017-01-13 | 2017-01-13 | A kind of preparation technology of shells ceramic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025446.3A CN106807609A (en) | 2017-01-13 | 2017-01-13 | A kind of preparation technology of shells ceramic structure |
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| Publication Number | Publication Date |
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| CN106807609A true CN106807609A (en) | 2017-06-09 |
Family
ID=59110966
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| CN201710025446.3A Pending CN106807609A (en) | 2017-01-13 | 2017-01-13 | A kind of preparation technology of shells ceramic structure |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931075A (en) * | 2017-11-16 | 2018-04-20 | 珠海市魅族科技有限公司 | Manufacture method, terminal enclosure and the terminal device of terminal enclosure |
| CN107949203A (en) * | 2017-11-07 | 2018-04-20 | 北京小米移动软件有限公司 | Preparation method, housing and the electronic equipment of housing |
| CN108212717A (en) * | 2018-02-02 | 2018-06-29 | 广东劲胜智能集团股份有限公司 | A kind of ceramic spraying technique of plastic cement battery cover |
| CN108212715A (en) * | 2018-04-04 | 2018-06-29 | 东莞市三诚嘉五金塑胶制品有限公司 | A kind of stain resistance coating process |
| CN108393251A (en) * | 2018-04-04 | 2018-08-14 | 东莞市三诚嘉五金塑胶制品有限公司 | A kind of high texture coating process |
| CN108677146A (en) * | 2018-04-16 | 2018-10-19 | 维沃移动通信有限公司 | Surface treatment method, shell and the terminal device of shell |
| CN109201436A (en) * | 2018-10-17 | 2019-01-15 | 东莞市铱诺真空镀膜有限公司 | The imitative ceramic appearance spraying method of height |
| CN111112029A (en) * | 2019-12-23 | 2020-05-08 | 深圳富泰宏精密工业有限公司 | Multi-color workpiece and method for manufacturing same |
| CN111842060A (en) * | 2020-07-15 | 2020-10-30 | Oppo广东移动通信有限公司 | Electronic equipment shell, manufacturing method thereof and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105072215A (en) * | 2015-06-01 | 2015-11-18 | 格林精密部件（惠州）有限公司 | Physical vapor deposition (PVD) sprayed common-body plastic housing and manufacturing method thereof |
| CN105598018A (en) * | 2016-01-12 | 2016-05-25 | 青岛海信移动通信技术股份有限公司 | Machining method for achieving metal texture of plastic shell with grain appearance and shell |
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2017
- 2017-01-13 CN CN201710025446.3A patent/CN106807609A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105072215A (en) * | 2015-06-01 | 2015-11-18 | 格林精密部件（惠州）有限公司 | Physical vapor deposition (PVD) sprayed common-body plastic housing and manufacturing method thereof |
| CN105598018A (en) * | 2016-01-12 | 2016-05-25 | 青岛海信移动通信技术股份有限公司 | Machining method for achieving metal texture of plastic shell with grain appearance and shell |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107949203A (en) * | 2017-11-07 | 2018-04-20 | 北京小米移动软件有限公司 | Preparation method, housing and the electronic equipment of housing |
| CN107931075A (en) * | 2017-11-16 | 2018-04-20 | 珠海市魅族科技有限公司 | Manufacture method, terminal enclosure and the terminal device of terminal enclosure |
| CN108212717A (en) * | 2018-02-02 | 2018-06-29 | 广东劲胜智能集团股份有限公司 | A kind of ceramic spraying technique of plastic cement battery cover |
| CN108212717B (en) * | 2018-02-02 | 2021-06-18 | 广东劲胜智能集团股份有限公司 | Ceramic spraying process of plastic battery cover |
| CN108212715A (en) * | 2018-04-04 | 2018-06-29 | 东莞市三诚嘉五金塑胶制品有限公司 | A kind of stain resistance coating process |
| CN108393251A (en) * | 2018-04-04 | 2018-08-14 | 东莞市三诚嘉五金塑胶制品有限公司 | A kind of high texture coating process |
| CN108677146A (en) * | 2018-04-16 | 2018-10-19 | 维沃移动通信有限公司 | Surface treatment method, shell and the terminal device of shell |
| CN108677146B (en) * | 2018-04-16 | 2020-07-28 | 维沃移动通信有限公司 | Surface treatment method of shell, shell and terminal equipment |
| CN109201436A (en) * | 2018-10-17 | 2019-01-15 | 东莞市铱诺真空镀膜有限公司 | The imitative ceramic appearance spraying method of height |
| CN111112029A (en) * | 2019-12-23 | 2020-05-08 | 深圳富泰宏精密工业有限公司 | Multi-color workpiece and method for manufacturing same |
| CN111842060A (en) * | 2020-07-15 | 2020-10-30 | Oppo广东移动通信有限公司 | Electronic equipment shell, manufacturing method thereof and electronic equipment |
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Application publication date: 20170609 |