CN102806516B - A kind of metal shell and preparation method thereof - Google Patents
A kind of metal shell and preparation method thereof Download PDFInfo
- Publication number
- CN102806516B CN102806516B CN201110142440.7A CN201110142440A CN102806516B CN 102806516 B CN102806516 B CN 102806516B CN 201110142440 A CN201110142440 A CN 201110142440A CN 102806516 B CN102806516 B CN 102806516B
- Authority
- CN
- China
- Prior art keywords
- metal shell
- decorative pattern
- mill
- preparation
- film layer
- 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.)
- Expired - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 75
- 239000002184 metal Substances 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 238000005240 physical vapour deposition Methods 0.000 claims abstract description 25
- 239000003082 abrasive agent Substances 0.000 claims abstract description 23
- 238000003801 milling Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 27
- 239000004575 stone Substances 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 11
- 239000012459 cleaning agent Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- SJKRCWUQJZIWQB-UHFFFAOYSA-N azane;chromium Chemical compound N.[Cr] SJKRCWUQJZIWQB-UHFFFAOYSA-N 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910021324 titanium aluminide Inorganic materials 0.000 claims description 3
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 3
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims description 2
- 229910003470 tongbaite Inorganic materials 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 18
- 238000012360 testing method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 229910001069 Ti alloy Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- -1 wherein Substances 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides the preparation method of a kind of metal shell, comprise the steps: step 1, metal base is positioned in milling apparatus, in milling apparatus, add abrasive material and water, on milling apparatus or metal base, then apply vibration, make the surface of metal base form mill decorative pattern reason；Step 2, by physical vapour deposition (PVD) or anodized shape film forming layer on described mill decorative pattern is managed.Present invention also offers a kind of metal shell, use preparation method as above to prepare, including metal base and film layer, described metallic substrate surface is distributed mill decorative pattern reason, and described film layer is positioned in described mill decorative pattern reason.The surface of metal shell that the present invention provides has mill decorative pattern reason, and described mill decorative pattern reason is provided with film layer so that metal shell has mill and spends metal-like modelled after an antique, and wearability and fine corrosion resistance.
Description
Technical field
The present invention relates to field of surface treatment, particularly relate to a kind of metal shell and preparation method thereof.
Background technology
Along with improving constantly and electronic product, such as of living standard: the sustainable development of mobile phone technique, people are to electronics
Product, such as: the appearance requirement of mobile phone is more and more higher.At present, the process for treating surface for electronic product metal shell is got over
Come the most in order to make electronic product have unique texture and color and luster.In prior art, by polishing, wire drawing, sandblasting
Electronic product can be made to present high light texture, wire drawing texture, sandblasting texture etc. etc. technique, and by including plating, spraying, anodic oxygen
Change, PVD(physical vapour deposition (PVD)), electrophoresis etc. color method, make electronic product have while having certain texture various
Color and luster, to win liking of different consumer.
In above-mentioned color method, PVD(physical vapour deposition (PVD)) and anodic oxidation be good film plating process, at base material
The metal-like of the film layer of upper preparation is strong, good with the adhesion of base material, wearability and fine corrosion resistance, it is possible to meet electronics
Product has gorgeous metal coating effect color is multifarious simultaneously.But, physical vapour deposition (PVD) and anodic oxidation are formed
The very thin thickness of film layer, the most several microns to tens microns, the effect of film layer is affected by base material, PVD or anodic oxidation
After process, the surface effect of housing is largely dependent on the texture of housing itself, and dicoration is the most single, it is difficult to meet consumption
The esthetic requirement that person is the most harsh.
Summary of the invention
Present invention seek to address that the surface effect of the metal shell of the preparation method making of metal shell of the prior art
It is largely dependent on the texture of housing itself, the most single ornamental technical problem.
The invention discloses the preparation method of a kind of metal shell, comprise the steps:
Step 1, metal base is positioned in milling apparatus, in milling apparatus, adds abrasive material and water, then grinding
Apply vibration on equipment or metal base, make the surface of metal base form mill decorative pattern reason；
Step 2, by physical vapour deposition (PVD) or anodized shape film forming layer on described mill decorative pattern is managed.
In the preparation method of metal shell of the present invention, the weight ratio of described abrasive material and auxiliary agent is 10-30:1.
In the preparation method of metal shell of the present invention, described auxiliary agent includes water and cleaning agent, described cleaning agent
It is 1:30-60 with the weight ratio of water.
In the preparation method of metal shell of the present invention, in step 1, in milling apparatus, interpolation it has been additionally added
Agent, described additive comprises brightener and/or abrasive pastes.
In the preparation method of metal shell of the present invention, the frequency of described vibration is 50-150HZ, vibro-grinding
Time be 0.5-2.5 hour.
In the preparation method of metal shell of the present invention, described abrasive material includes that ceramic-like grinding stone and plastics grind
Grinding stone, described grinding stone is selected from the grinding stone that particle diameter is different.
Meanwhile, the invention also discloses a kind of metal shell, described metal shell uses preparation method system as above
For obtaining, including metal base and film layer, described metallic substrate surface is distributed mill decorative pattern reason, and described film layer is positioned at described mill
In decorative pattern reason.
In metal shell of the present invention, the thickness of described film layer is 0.5-20 micron.
In metal shell of the present invention, described metal base is selected from stainless steel, aluminium alloy, titanium alloy, kirsite
In one.
In metal shell of the present invention, described film layer is chromium nitride, chromium carbide, titanium nitride, titanium carbide, oxidation
One or more in titanium, nitrogen titanium aluminide.
The preparation method of the present invention forms mill decorative pattern by vibro-grinding on the surface of metal shell and manages, and in mill decorative pattern reason
On film layer is set so that metal shell has mill and spends metal-like modelled after an antique, improve metal shell aesthetics, have uniqueness
Antique effect, and wearability and fine corrosion resistance, high comprehensive performance.Meanwhile, said method technique is simple, yield
High, low cost, is suitable for heavy industrialization application.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with
Embodiment, is further elaborated to the present invention.Should be appreciated that specific embodiment described herein is only in order to explain
The present invention, is not intended to limit the present invention.
The present invention discloses the preparation method of a kind of metal shell, comprises the steps:
Step 1, metal base is positioned in milling apparatus, in milling apparatus, adds abrasive material and water, then grinding
Apply vibration on equipment or metal base, make the surface of metal base form mill decorative pattern reason.In the present invention, described mill decorative pattern
Reason presents mill and spends the effect of texture modelled after an antique, described mill to spend texture modelled after an antique to be to process by metal base is carried out vibro-grinding
Arriving, specifically incite somebody to action: Rosler vibrates abrasion wear test machine i.e. to use milling apparatus, such as, chooses suitable abrasive and (includes
Kind and the selection of size), add suitable grinding aid simultaneously, under certain milling time, obtain required certain mill
The metal surface of damage degree.In the present invention, described vibro-grinding is different from traditional grinding, and it is to tradition attrition process
In milling apparatus (or workpiece) apply the Ginding process of a kind of improvement of vibration, such as: can through pre-treatment (clean, thick
Processing etc.) metal shell surface on place free abrasive material, then vibrational energy is attached to milling apparatus (or metal
Housing) on, make milling apparatus (or metal shell) make regular vibration with certain frequency and amplitude, thus complete
Burr, surface mill flower process, and make the surface of metal base form mill decorative pattern reason, to the sensation that people is simple and unsophisticated.
In this step, described metal base can be selected from stainless steel, aluminium alloy, titanium alloy, kirsite etc..Described mill
Material includes ceramic-like grinding stone and plastics grinding stone, selects according to the material of workpiece, shape and required surface fineness
Selecting, mill spends the grinding of lines modelled after an antique to be preferably plastics grinding stone, and preferably, described grinding stone selects different the grinding of particle diameter
Grinding stone, such as: select spheroidal Brown Alundum grinding stone, wherein, particle diameter is the grinding stone of 6-8mm and particle diameter is the grinding of 3-5mm
Stone respectively accounts for half, so that the mill decorative pattern reason of metallic substrate surface is more natural.Equally, the grinding aid added is then with workpiece material
For major consideration, selecting according to purposes, grinding aid mainly includes water and cleaning agent, and water is as the decentralized medium of abrasive material, clearly
The clean dose of effect then primarily serving lubrication, in the present invention, the weight ratio of described abrasive material and auxiliary agent is 10-30:1, described cleaning
The weight ratio of agent and water is 1:30-60, meanwhile, according to the needs ground, it is also possible to add appropriate additive, described additive
Including brightener, abrasive pastes, described brightener selects according to metal base, such as: metal base is selected from stainless steel, then phase
Stainless steel brightener should be selected in ground.
In this step, applying vibration on milling apparatus or metal base, vibration frequency is 50-150HZ HZ, is grinding
During mill, owing to water can be discharged, at set intervals, such as: 20-30min adds water in milling apparatus so that grind energy
Enough being smoothed out, the time of vibro-grinding is generally 0.5-2.5 hour, and after vibro-grinding, the surface of metal base i.e. forms mill flower
Texture.
Step 2, by physical vapour deposition (PVD) or anodized shape film forming layer on described mill decorative pattern is managed.The present invention's
Metal shell is after processing through vibro-grinding, then obtains through PVD or anodized, PVD or anodic oxygen chemical industry
Skill is the most known to those skilled in the art, and its technological parameter and condition can adjust according to specific requirement, by PVD or anode
Oxidation processes is shape film forming layer on described mill decorative pattern is managed, and described film layer can be chromium nitride, titanium nitride, titanium carbide, nitrogen titanium aluminide
In one or more.For the thickness of film layer, not the biggest restriction.But, inventor finds, when the thickness of described film layer is
0.5-20um, preferably during 1-5um, is combined with aforesaid mill decorative pattern reason by this film layer, to producing graceful vision more
Favorably.The film layer obtained by described PVD or anodized is good with the adhesion of base material, and has excellent corrosion-resistant
And anti-wear performance.
Under normal conditions, to base material before the preparation method of described metal shell is additionally included in PVD or anodized
Carrying out pre-treatment, the method for this pre-treatment is to well known to a person skilled in the art, such as, oil removing, Ultrasonic Cleaning etc..
Formed mill decorative pattern modelled after an antique reason and surface protection film layer by said method on metal base, obtain the gold of the present invention
Belong to housing, the mill decorative pattern reason of metal housing surface and the color that has of PVD film layer, make metal housing surface present peculiar modelled after an antique
Effect, has excellent wear-corrosion resistance simultaneously.
The process of surface treatment of existing metal shell is expanded by the present invention, so that metal shell presents gold modelled after an antique
Belong to texture, to this end, the present invention carries out the mechanical treatment of uniqueness to metal housing surface, i.e. use milling apparatus, choose suitably
Abrasive material (includes kind and the size of abrasive material), adds suitable grinding aid simultaneously, vibrational energy is attached to milling apparatus
On (or metal shell), milling apparatus (or metal shell) is made to make regular vibration with certain frequency and amplitude, one
Under fixed milling time, obtain the metal surface of required certain degree of wear, grind production efficiency height, grind the mill flower obtained
Texture is uniform, then, carries out PVD or anodized, pass through on the metal shell with certain degree of wear surface
PVD or anodized make metal housing surface form coloured film layer, by the knot of this film layer with above-mentioned mill decorative pattern reason
Close, the coloured mill flower effect modelled after an antique of tool can be presented, and wear-corrosion resistance is good.
Use specific embodiment that the present invention is further elaborated below.
Embodiment 1
The present embodiment is used for making the silver color Stainless Steel Shell with mill decorative pattern modelled after an antique reason；
Step one: vibro-grinding, specifically comprises the processes of: 1, Rosler vibration abrasion wear test machine vibra shoot in add abrasive material
And auxiliary agent: wherein, abrasive material is selected from yellow circular cone thing abrasive material RKF 10K 60kg, green pyramid thing abrasive material RKK 15P 20Kg, helps
Agent be selected from cleaning agent FC120 and the mixture 5Kg of water, the mixed proportion of cleaning agent and water is 1:50, add simultaneously appropriate not
Rust steel brightener or abrasive pastes.2, Stainless Steel Shell being put in vibra shoot and grind, vibration frequency is 50HZ, at process of lapping
In, per half an hour, adds 0.5 liter of water, Stainless Steel Shell is taken out after grinding 2 hours；
Step 2: magnetron sputtering ion plating, specifically comprises the processes of: 1, will grind after Stainless Steel Shell be carried out, dry
On pivoted frame in the dry vacuum chamber of placement afterwards, starting vavuum pump and vacuumize, making vacuum chamber pressure is 6.0 × 10-3Handkerchief.2, to vacuum
It is 1.0 handkerchiefs that room is filled with argon gas regulation vacuum pressure, starts grid bias power supply and carries out Ion Cleaning, wherein, biases 1100 volts, dutycycle
75%, the time is 20 minutes.3, after Ion Cleaning terminates, import plating run, start plated film, argon working gas and reaction gas
Setting according to program is added by body nitrogen automatically, and vacuum chamber operating pressure is about 0.4 handkerchief, then starts chromium target, the first rank
Section: power is steady state value 9 kilowatts, and the bias of grid bias power supply is 200 volts, and dutycycle is 75%, and the time is 10 minutes；Second
In the stage: power is steady state value 9 kilowatts, the bias of grid bias power supply is 200 volts, dutycycle 50%, and the time is 30 minutes；3rd
In the stage: power is steady state value 8 kilowatts, the bias of grid bias power supply is 150 volts, dutycycle 30%, and the time is 20 minutes.Plated film
After end, program is run automatically terminating, and is then shut off chromium target, grid bias power supply, naturally cools to take out stainless steel case when 80 DEG C
Body, is formed with CrN film layer on the surface of Stainless Steel Shell, and thicknesses of layers is about 3 microns；
Silver color Stainless Steel Shell A1 with mill decorative pattern modelled after an antique reason is prepared by above-mentioned steps.
Embodiment 2
The present embodiment is used for making the orange Al-alloy casing with mill decorative pattern modelled after an antique reason；
Step one: vibro-grinding, specifically comprises the processes of: 1, Rosler vibration abrasion wear test machine vibra shoot in add abrasive material
And auxiliary agent: wherein, abrasive material is selected from yellow circular cone thing abrasive material RKF 10K 50kg, green pyramid thing abrasive material RKK 15P 15Kg, helps
Agent is selected from FC120 and the mixture 4Kg of water, and the mixed proportion of cleaning agent and water is 1:40, adds appropriate aluminium alloy light simultaneously
Bright dose or abrasive pastes.2, being put into by Al-alloy casing in groove and grind, vibration frequency is 50HZ, in process of lapping, and every little half
Time to add 0.4 liter of water, after grinding 1.5 hours by Al-alloy casing take out；
Step 2: anodized, specifically comprises the processes of: 1, change throw: will on the Al-alloy casing after milled processed hang water
During after washing, putting into throws groove, solution is the H of 600 ~ 800ml/L3PO4H with 150 ~ 250ml/L2SO4 Ratio according to 3:1
Preparation, temperature is 95 ~ 105 DEG C, takes out and wash after 8 ~ 12s.2, oxidation: the Al-alloy casing after washing is put into oxidation trough oxygen
Changing 30 ~ 40min, solution concentration is H2SO4180 ~ 200g/L, temperature is 18 ~ 20 DEG C, and voltage is 14.5 ~ 15.5V.3, pretreatment:
Adding TAC Sormal 121 makes tank liquor concentration be 48 ~ 52 g/L, and temperature is 38 ~ 42 DEG C, and the time is 2.5 ~ 3.5 min, pH value
Being 1.0 ~ 3.0, pH value regulation NaOH and TAC Sormal 121 regulate.4, dyeing: add dyestuff U602 and make tank liquor dense
Degree is 2.5 ~ 3.5g/L, and temperature is 34 ~ 36 DEG C simultaneously, time 5 ~ 7min, and pH value is 5.0 ~ 6.0, pH value regulation ammoniacal liquor and vinegar
Acid regulation.5, sealing of hole: adding hole sealing agent E-600 and make tank liquor concentration be 3 ~ 5 ml/L, temperature is 93 ~ 97 DEG C, and the time is 20 ~ 25
Min, pH value is 6.3 ~ 6.7, pH value regulation ammoniacal liquor and acetic acid regulation, then will hang under Al-alloy casing；
The orange Al-alloy casing A2 with mill decorative pattern modelled after an antique reason is prepared by above-mentioned steps.
Embodiment 3
The present embodiment is used for making the black titanium alloy shell with mill decorative pattern modelled after an antique reason；
Step one: vibro-grinding, specifically comprises the processes of: 1, Rosler vibration abrasion wear test machine vibra shoot in add abrasive material and
Lubricant: abrasive material selects spheroidal Brown Alundum grinding stone, wherein, the 50kg of particle diameter 8mm, the 30kg of particle diameter 5mm, particle diameter 4mm's
20Kg, auxiliary agent is selected from cleaning agent FC120 and the mixture 5Kg of water, and the mixed proportion of cleaning agent and water is 1:50, adds suitable simultaneously
The abrasive pastes of amount.2, being put into by titanium alloy shell in vibra shoot and grind, vibration frequency is 50HZ, in process of lapping, and every half
Hour to add 0.5 liter of water, after grinding 2.5 hours, titanium alloy shell be taken out；
Step 2: magnetron sputtering ion plating, specifically comprises the processes of: 1, will grind after titanium alloy shell be carried out, dry
On pivoted frame in the dry vacuum chamber of placement afterwards, starting vavuum pump and vacuumize, making vacuum chamber pressure is 6.0 × 10-3Handkerchief.2, to vacuum
It is 1.0 handkerchiefs that room is filled with argon gas regulation vacuum pressure, starts grid bias power supply and carries out Ion Cleaning, wherein biases 1100 volts, dutycycle
75%, 20 minutes time.3, after Ion Cleaning terminates, import plating run, start plated film, argon working gas and reacting gas
Setting according to program is added by acetylene automatically, and vacuum chamber operating pressure is about 0.5 handkerchief, then starts chromium target, the first stage:
Power is steady state value 9 kilowatts, and the bias of grid bias power supply is 200 volts, and dutycycle is 75%, and the time is 10 minutes；Second-order
Section: power is steady state value 9 kilowatts, and the bias of grid bias power supply is 200 volts, dutycycle 30%, and the time is 30 minutes.3rd rank
Section: power is steady state value 8 kilowatts, and the bias of grid bias power supply is 150 volts, dutycycle 15%, and the time is 30 minutes；During plated film
Between arrive after, program will turn off end plated film, is then shut off chromium target, grid bias power supply, takes out titanium when naturally cooling to 80 DEG C
Alloy shell, is formed with CrC film layer on titanium alloy shell surface, and thicknesses of layers is about 3.5 microns；
The black titanium alloy shell A3 with mill decorative pattern modelled after an antique reason is prepared by above-mentioned steps.
Performance test
The above-mentioned metal shell A1-A3 prepared is carried out following performance test:
1, adhesive force: test according to ASTM D 3359-2002；
2, anti-wear performance: test as follows: under the conditions of 24 DEG C/54%RH, loads onto 100g tool by product
After, put into Rosler and vibrate vibro-grinding in resistance to grinding machine, analog equipment abrasion condition during normal use.Use friction media
For: yellow circular cone: Rosler friction particles RKF 10K (3 parts), green pyramid: Rosler friction particles RKK 15P (1 part), cleaning
Agent: Rosler cleaning agent FC120.Testing time is 2 hours；
3, decay resistance: test according to GBT 10125.
By above-mentioned test, the test result obtained is shown in Table 1:
Table 1
| Sample | S1 | S2 | S3 |
| Adhesive force | 5B | 5B | 5B |
| Anti-wear performance | 2 hours without noticeable wear | 2 hours without noticeable wear | 2 hours without noticeable wear |
| Decay resistance | Corrosion-free | Corrosion-free | Corrosion-free |
From table 1 it follows that while the surface of metal shell disclosed by the invention has the mill decorative pattern reason of uniqueness, its
The adhesive force of superficial film, wearability and decay resistance are the most excellent.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (9)
1. the preparation method of a metal shell, it is characterised in that comprise the steps:
Step 1, metal base is positioned in milling apparatus, in milling apparatus, adds abrasive material and auxiliary agent, then set in grinding
Apply vibration on standby or metal base, make the surface of metal base form mill decorative pattern reason；
Step 2, by physical vapour deposition (PVD) or anodized shape film forming layer on described mill decorative pattern is managed；
The frequency of described vibration is 50-150HZ, and the time of vibro-grinding is 0.5-2.5 hour.
Preparation method the most according to claim 1, it is characterised in that the weight ratio of described abrasive material and auxiliary agent is 10-30:1.
Preparation method the most according to claim 1 and 2, it is characterised in that described auxiliary agent includes water and cleaning agent, described clearly
Clean dose is 1:30-60 with the weight ratio of water.
Preparation method the most according to claim 1, it is characterised in that in step 1, has been additionally added in milling apparatus and has added
Adding agent, described additive comprises brightener and/or abrasive pastes.
Preparation method the most according to claim 1, it is characterised in that described abrasive material includes ceramic-like grinding stone and plastics
Grinding stone, described grinding stone is selected from the grinding stone that particle diameter is different.
6. a metal shell, it is characterised in that described metal shell uses the making as described in claim 1-5 any one
Method prepares, and including metal base and film layer, described metallic substrate surface is distributed mill decorative pattern reason, and described film layer is positioned at
In described mill decorative pattern reason.
Metal shell the most according to claim 6, it is characterised in that the thickness of described film layer is 0.5-20 micron.
Metal shell the most according to claim 6, it is characterised in that described metal base is selected from stainless steel, aluminium alloy, titanium
One in alloy, kirsite.
Metal shell the most according to claim 6, it is characterised in that described film layer be chromium nitride, chromium carbide, titanium nitride,
One or more in titanium carbide, titanium oxide, nitrogen titanium aluminide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110142440.7A CN102806516B (en) | 2011-05-30 | 2011-05-30 | A kind of metal shell and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110142440.7A CN102806516B (en) | 2011-05-30 | 2011-05-30 | A kind of metal shell and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102806516A CN102806516A (en) | 2012-12-05 |
| CN102806516B true CN102806516B (en) | 2016-09-07 |
Family
ID=47230477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110142440.7A Expired - Fee Related CN102806516B (en) | 2011-05-30 | 2011-05-30 | A kind of metal shell and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102806516B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644062B (en) * | 2014-12-03 | 2018-09-07 | 比亚迪股份有限公司 | Composite material and shell for mobile terminal and preparation method thereof and mobile terminal |
| CN104972283B (en) * | 2015-07-16 | 2017-06-16 | 广东欧珀移动通信有限公司 | The method for improving mobile terminal metal outer frame appearance power |
| KR102464007B1 (en) * | 2016-05-27 | 2022-11-07 | 삼성전자주식회사 | Housing, manufacturing method thereof, and electronic device including the same |
| CN107127530A (en) * | 2017-06-14 | 2017-09-05 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method for metal working, metal shell and mobile terminal |
| CN108312048B (en) * | 2018-01-31 | 2020-07-21 | 苏州领裕电子科技有限公司 | Highlight process for charging interface shell of 3C product |
| CN213342574U (en) * | 2020-09-29 | 2021-06-01 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN113549869A (en) * | 2021-07-21 | 2021-10-26 | 深圳市智创谷技术有限公司 | Vacuum coating method with antique grain effect |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133351A (en) * | 1995-06-07 | 1996-10-16 | 张志春 | Aluminium and aluminium alloy decoration plate and making method |
| CN1169900A (en) * | 1996-07-04 | 1998-01-14 | 林溪河 | Forming process for patterns on alluminum alloy surface |
| JPH1190257A (en) * | 1997-09-22 | 1999-04-06 | Chuo Kakoki Kk | Vibration mill |
| ITMI20020826A1 (en) * | 2002-04-18 | 2003-10-20 | Rollwasch Italiana Spa | CIRCULAR MACHINE FOR AUTOMATIC SEPARATION VIBROFINISHING OF WORKPIECES AND FINISHING ELEMENTS |
| CN1265910C (en) * | 2002-11-29 | 2006-07-26 | 深圳富泰宏精密工业有限公司 | Production method of porous shell |
| CN2871248Y (en) * | 2006-01-13 | 2007-02-21 | 王敬伦 | Stainless-steel decorated paint |
| CN101096069A (en) * | 2006-06-29 | 2008-01-02 | 林敬杰 | Aluminium alloy sleeve barrel and preparation method thereof |
| CN101116858A (en) * | 2006-08-01 | 2008-02-06 | 天津市振东涂料有限公司 | Surface treating method of the aluminum alloy decorative sheet |
| CN101684556A (en) * | 2008-09-25 | 2010-03-31 | 深圳富泰宏精密工业有限公司 | Method for processing surface of shell |
| CN101600314B (en) * | 2009-06-25 | 2012-09-26 | 宁波勋辉电器有限公司 | Method for manufacturing shell of electronic controller for vehicle |
| CN101945556A (en) * | 2009-07-06 | 2011-01-12 | 康准电子科技（昆山）有限公司 | Metal shell and manufacturing method thereof |
| CN101705486A (en) * | 2009-08-26 | 2010-05-12 | 汇利邦实业(深圳)有限公司 | Surface processing technology |
-
2011
- 2011-05-30 CN CN201110142440.7A patent/CN102806516B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102806516A (en) | 2012-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102806516B (en) | A kind of metal shell and preparation method thereof | |
| CA2164054C (en) | Article having a coating simulating brass | |
| CA2164067C (en) | Article having a protective coating simulating brass | |
| US20050036892A1 (en) | Method for applying metallurgical coatings to gas turbine components | |
| JPH10324977A (en) | Article with coating | |
| CN102517547B (en) | Method for plating aluminum film or aluminum-tin alloy film on surface of continuous aluminum rolling plate in vacuum gas phase sedimentation method | |
| JPH10324978A (en) | Coated article | |
| CN206761520U (en) | Pan, cooking apparatus | |
| US20110236720A1 (en) | Noble metal-containing layer sequence for decorative articles | |
| CN109136844A (en) | A kind of rose gold plate and its preparation process | |
| Hsu et al. | Surface quality improvement of EDMed Ti–6Al–4V alloy using plasma etching and TiN coating | |
| CN105803458B (en) | A kind of surface treatment method of non-crystaline amorphous metal | |
| CN105032745B (en) | A kind of method for reinforcing coating in bearing alloy layer surface | |
| CN104911587A (en) | Shell body of electronic product and processing method thereof | |
| CN101748456B (en) | Surface treatment method of base material | |
| JPH11100682A (en) | Article having coating | |
| CN110724982A (en) | Gold-fog electroplating process | |
| CN102367566A (en) | Cast iron vacuum chromium plating method | |
| CN110344005A (en) | A kind of micro- stack TiN-TiAlSiN of TA15 titanium alloy surface high-temperature wearable and the preparation method and application thereof | |
| JPH11100681A (en) | Coated article | |
| CN104120461A (en) | Method for preparing gradient alloy plating layer on surface of thin strip continuous casting crystallization roller and plating solution | |
| CN103255399B (en) | Preparation method of protective coating of dry scroll vacuum pump | |
| CN102877065B (en) | Method for depositing coating | |
| US5693427A (en) | Article with protective coating thereon | |
| CN108330442B (en) | Chromium carbide composite coating and preparation method thereof |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 |