CN106400083A - Surface treatment method for highlight edge of aluminum alloy mobile phone shell - Google Patents
Surface treatment method for highlight edge of aluminum alloy mobile phone shell Download PDFInfo
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- CN106400083A CN106400083A CN201610854687.4A CN201610854687A CN106400083A CN 106400083 A CN106400083 A CN 106400083A CN 201610854687 A CN201610854687 A CN 201610854687A CN 106400083 A CN106400083 A CN 106400083A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/022—Anodisation on selected surface areas
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/12—Anodising more than once, e.g. in different baths
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention belongs to the technical field of aluminum alloy surface treatment, and particularly relates to a surface treatment method for the highlight edge of an aluminum alloy mobile phone shell. The surface treatment method comprises the following steps of machining of the counter and an inner cavity of the aluminum alloy mobile phone shell, CNC highlight treatment carried out on a frame after surface polishing, surface alkaline washing, surface sand blasting and first-time anodic oxidation, oil removal and cleaning, spraying of printing ink after shielding of the mobile phone shell, printing ink baking, ultraviolet exposure treatment, developing treatment, baking, UV radiation for curing printing ink, second-time anodic oxidation treatment, printing ink removal and third-time anodic oxidation treatment. After the highlight edge of the aluminum alloy mobile phone shell is subjected to three times of anodic oxidation treatment, the portion, close to a display screen, of a longitudinal frame of the mobile phone shell has the same color as the display screen, a frame-free visual sense is formed, the straightness of a color junction edge in second-time anodic oxidation and third-time anodic oxidation is ensured by the adoption of a three-dimensional exposure mode, the production yield reaches up to 90% or above, the cost is low, and production efficiency is high.
Description
Technical field
The invention belongs to technical field of aluminum alloy surface treatment is and in particular to a kind of table of the high plain edge of aluminum alloy mobile phone shell
Face processing method.
Background technology
With the raising to smart mobile phone aesthetic conceptions for the people, how to allow mobile phone face glass panel and metal center cleverly
Combine together, each cell phone manufacturer proposes more higher leveled requirement to the surface treatment of phone housing, will phone housing with just
The high plain edge color of surface glass panel edges contact makes black, makes center and face glass solid colour, forms Rimless vision
Sense, builds a kind of " putting out screen aesthetics " truly.For reaching this purpose, can take technique to phone housing high plain edge with
Black is dyed in the region of face glass plate contact.Technically, the high plain edge of phone housing and face glass plate contact
Region is dyed black and is realized frequently with following technique:1st, adopt typography, by high plain edge process black ink, shortcoming is ink
Easily fall the effect of ink, not wear-resisting, reliability is poor;2nd, adopt laser laser carving technique, high plain edge is carved black, shortcoming is to undercut the black surround brightness coming
Inadequate and color is not black, too big with face glass color distortion;3rd, adopt anode oxidation process, high plain edge anodic oxidation is become
Black, or but existing process be difficult to, or the boundary side of black surround and non-black surround is not straight, product yield is very low.
Anodic oxidation refers to the electrochemical oxidation of metal or alloy.The anodic oxidation of aluminium alloy is exactly aluminum and its alloy in phase
Under the electrolyte and specific process conditions answered, in the presence of impressed current, in aluminum products (anode) upper formation layer oxide film
Process.This layer of metal-oxide film can change apparent condition and performance, such as surface coloring, improve corrosion resistance, strengthen
Wearability and hardness, protection metal surface etc..On Vehicles Collected from Market, communication intelligent mobile phone aluminum alloy casing class product mainly adopts one
Secondary anodic oxidation, high-grade phone housing carries out two-step anodization using after CNC bloom.
Because the black surround of phone housing frame only accounts for the local of high plain edge, not whole high plain edge, therefore high plain edge exists
Two kinds of colors.For ensureing the highlight effect of high plain edge, high plain edge needs anodic oxidation at twice with not high plain edge, therefore produces to whole
Need for product to do three anodic oxidations, need anodic oxygen to be melted into two kinds of different colours by high plain edge, anodised color is handed over twice
Whether boundary side is in line is crucial.Three times conventional anode oxidation process methods are not suitable for the high plain edge of mobile phone, or cannot be real
Existing, or second anodic oxidation and third time anodised color boundary side be not straight, affect product appearance effect, product is good
Rate is very low.
Content of the invention
The purpose of the present invention is for above-mentioned deficiency of the prior art, provides a kind of high plain edge of aluminum alloy mobile phone shell
Surface treatment method, the difficult point in three anodic oxidations in aluminum alloy mobile phone shell in the method energy effectively solving prior art,
Ensure the linearity of the black surround in the high plain edge of aluminum alloy mobile phone shell and non-black surround boundary side, make phone housing longitudinal direction frame and show
Display screen solid colour, forms Rimless visual impression, improves product yield.
The purpose of the present invention is achieved through the following technical solutions:
A kind of surface treatment method of the high plain edge of aluminum alloy mobile phone shell, comprises the following steps:
Aluminum alloy mobile phone shell is carried out external form and embedded SMA actuators by step (1), and phone housing includes bonnet and frame;Handss
Machine shell after surface polishing, surface alkali cleaning, surface sand-blasting, first time anodic oxidation, is carried out at CNC bloom to frame successively
Reason, forms high plain edge, and frame includes horizontal frame positioned at phone housing upper and lower ends, is located at the vertical of the phone housing left and right sides
To frame and connect horizontal frame and the corner side of longitudinal frame, longitudinal frame include near the upper ledge side of display screen and away from
The lower frame of display screen;Then oil removing cleaning is carried out to phone housing;
Step (2) is covered covering tool cover plate above phone housing inner chamber, then phone housing is placed in protective case,
Put into after clamping protective case in masking jig base;After selecting ink and diluent mixing, it is sprayed at outside masking tool and mobile phone
Shell, makes high plain edge and inner chamber side be coated with ink, and ink is UV photosensitive-ink;
The ink being sprayed at masking tool and phone housing is toasted by step (3), after having toasted removes masking tool
Remove;
After the baking of step (4) phone housing finishes, phone housing and exposure tool are assembled, is placed in exposure machine and carries out purple
Outer exposure-processed;Exposure tool is provided with the film, and the film includes transparent area and shading region, and transparent area is covered in upper ledge side, upper ledge
The ink on side is exposed;Shading region is covered in corner side, horizontal frame and lower frame, corner side, horizontal frame and lower frame
Ink is not exposed;
Step (5) is sprayed at the phone housing of exposure using developer solution, carries out development treatment, and phone housing is not exposed
The ink of light is dissolved by the developing to be got rid of, and the ink being exposed position is retained;
Phone housing after developing is toasted by step (6), and baking irradiates cured printing ink using UV after finishing;
Phone housing after ultraviolet light polymerization is carried out second anodized by step (7);
Phone housing after second anodic oxidation is placed in deinking agent step (8), removes ink;
The phone housing removing ink is carried out third time anodized by step (9).
The present invention adopts third time anode oxidation process, makes the region that phone housing longitudinal direction frame is contacted with display screen be black
Side, phone housing longitudinal direction frame keeps solid colour with display screen, forms visual Rimless effect, builds and " put out screen beautiful
Learn " visual effect, production efficiency and product yield height.
Wherein, in described step (1), the method for oil removing cleaning comprises the following steps:
After hanging on phone housing, carry out ungrease treatment, skimming temp is 50-60 DEG C, degreasing time is 100-140s, water
Wash, carry out the pickling demoulding, pickling demoulding time is 5-10s, is washed;Ultrasound wave cleaning 50-70s at a temperature of 75-85 DEG C,
Then dry, baking temperature is 75-85 DEG C, baking time is 9-11min.By removing to the product after CNC bloom
Oil cleaning, can remove dirty to product surface oil stain, watermark etc. it is ensured that product surface cleans up.
Wherein, in described step (2), ink includes the component of following weight portion:
Acrylic resin, is the tree being made up of esters of acrylic acid and methyl acrylic ester and other olefinic type monomers copolymerization
Fat, has excellent thermostability, resistance to water, solvent resistance and wear-resisting scratch-proofness.Quartz sand makes an addition in ink system, can reduce
With elimination precipitation, lamination, the tension of solidfied material, comprcssive strength can be made to strengthen, anti-wear performance improves, and can increase solidfied material
Heat conductivity, increase fire resistance, absorption property is good, easily mix, no clustering phenomena, add in acrylic resin, not only carry
The high properties of solidfied material, also reduce product cost simultaneously.Ethylene glycol monobutyl ether is excellent solvent, is also excellent
Surfactant, can remove the grease on the surfaces such as metal, glass, plastics, be incorporated in ink system and each component is had well
Dissolubility and dispersibility, so that each component is realized good compound.The ink of the present invention exposes ink for photosensitive type, and each component is mutual
Match, make ink have excellent resistance to acids and bases, be resistant to anode oxidation process.
Further, described photosensitizer is 907 photosensitizer, has very strong uv absorption capacity, in organic solvent and
There is very strong dissolubility in monomer, good with the other components compatibility in ink.
Wherein, in described step (2), cross the filter screen of 280-320 mesh before ink spraying, the coating thickness of ink is 0.05-
0.07mm.Ink spraying filtering, the impurity of removable ink and big ink particle, make ink even application in phone housing.
By the control to ink coating thickness, make ink thickness moderate, while there is good screening effect, facilitate subsequently to enter simultaneously
The baking of row and uv-exposure operation and be easy to developed liquid and remove.Further, in described step (2), ink and diluent
Volume ratio be 1:The viscosity of 0.55-0.65, ink and diluent mixture is 15-16 second/bucket.Viscosity unit represents that measurement is viscous
After ink filled by the funnel of degree, unclamp the small opening below funnel, ink has leaked required time (second).By to ink and diluent
The adjustment of mixture viscosity, makes ink have good moulding property, good with aluminum alloy casing adhesive force, can even application in mobile phone
Shell, provides product yield.
Wherein, in described step (3), ink baking temperature is 85-95 DEG C, and baking time is 40-50min, so that ink is had
There are good film property and tack.
Wherein, in described step (4), the intensity of illumination of uv-exposure is 300-500mj/cm2.Phone housing curing ink quilt
Exposure position is retained, and the ink not being exposed is dissolved by the developing and gets rid of.So that the masking ink on vertical frame side obtains
To retain.The present invention adopts three-dimensional Exposure mode, and high plain edge and the little side of inner chamber have ink, using uv-exposure simultaneously
Single exposure.Compared with traditional plane exposure, both ensured that masking ink did not fell off in second anodic oxidation, and can keep away again
Exempt from ink in second anodic oxidation by chemical medicinal liquid etch it is ensured that second anodic oxidation and the anodised friendship of third time
The linearity on boundary side.
Wherein, in described step (5), developer solution is the sodium carbonate liquor of 1-1.5% for mass percent concentration, sodium carbonate
Solution exposes and unexposed ink can be carried out, and cleaning performance is good.
Wherein, in described step (6), the baking temperature of phone housing is 85-95 DEG C, and baking time is 28-32min, UV
The intensity of illumination of solidification is 1800-2200mj/cm2It is ensured that ink solidification effect is good and high in machining efficiency, reduce production cost.
Wherein, in described step (7), the method for second anodized comprises the following steps:
A1, will on phone housing hang after, carry out ungrease treatment, skimming temp be 50-60 DEG C, degreasing time be 100-
140s, washing, carry out the pickling demoulding, pickling demoulding time is 5-10s, is washed;
A2, it is placed in electrolyte for anode with phone housing and is electrolysed, decomposition voltage is 9-11V, and electrolysis time is 28-
32min, washing;
A3, phone housing is carried out with table tune, table temperature regulating is 50-60 DEG C, be 100-140s between table timing;Adjusted by table,
The adhesion when corrosion resistance strengthening oxide-film through the corrosion caused by strong acid and highly basic and dyeing can be eliminated;Normal after table tune
Temperature lower ultrasound wave cleaning 50-70s, washing, after dyeing 1-2min, then wash, sealing of hole at a temperature of 92-98 DEG C, the sealing of hole time
For 28-32min, ultrasound wave cleaning 50-70s, drying at a temperature of 75-85 DEG C after washing.
The high plain edge that second anodic oxidation is primarily directed to not covered by ink is carried out, second anodised color
Identical with bonnet color.Second anodized is carried out by plain edge high to the phone housing handled well by CNC, makes
Surface is oxidized, forms fine and close, hard oxide-film, makes it more wear-resisting and is difficult to stain, passes through to second anode simultaneously
Oxidation processing technique and parameter are controlled, and ink also can be avoided to come off, it is to avoid shaded areas are oxidized anodically, and impact product is good
Rate.
Wherein, in described step (9), the method for third time anodized comprises the following steps:
B1, will on phone housing hang after, carry out ungrease treatment, skimming temp be 50-60 DEG C, degreasing time be 100-
140s, washing, carry out the pickling demoulding, pickling demoulding time is 5-10s, is washed;
B2, it is placed in electrolyte for anode with phone housing and is electrolysed, decomposition voltage is 9-11V, and electrolysis time is 42-
48min, washing;
B3, phone housing is carried out with table tune, table temperature regulating is 50-60 DEG C, be 150-210s between table timing;Surpass at normal temperatures
Sound wave cleans 50-70s, after washing, high plain edge is dyed black near the upper ledge side of display screen, and dyeing temperature is 52-58 DEG C of dye
The color time is 1-2min, then washes, sealing of hole at a temperature of 92-98 DEG C, and the sealing of hole time is 28-32min, in 75-85 after washing
At a temperature of DEG C, ultrasound wave cleaning 50-70s, dries.
Through third time anode oxidation process, the region of high plain edge longitudinal edge frame is melted into black, black near anodic oxygen
Region is difficult to fade, excellent wear resistance and be difficult contamination, can reach appearance requirement, product quality can be made stable, yield is high again.
Beneficial effects of the present invention:The surface treatment method of the high plain edge of aluminum alloy mobile phone shell of the present invention, first adopts UV
The high plain edge of photosensitive-ink spraying shielding, then remove excess ink through exposure and development, then pass through second anodic oxidation, deinking,
Third time anode oxidation process, makes phone housing longitudinal direction frame near display screen area and display screen solid colour, is formed boundless
Frame visual impression, builds a kind of " putting out screen aesthetics " truly;The present invention has carried out altogether three anodes to phone housing
Oxidation processes, and adopt three-dimensional Exposure mode, compared with traditional plane exposure, both ensure to cover ink in second anode
When do not fall off, be avoided that again masking ink in second anodic oxidation not by chemical medicinal liquid etch it is ensured that second anodic oxygen
Change and third time anodised color boundary side linearity, that is, ensure the high plain edge of aluminum alloy mobile phone shell in black surround with non-
The linearity on black surround boundary side, production yield up to more than 90%, low cost, production efficiency is high.
Brief description
Using accompanying drawing, invention is described further, but the embodiment in accompanying drawing does not constitute any limitation of the invention,
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to the following drawings
Its accompanying drawing.
Fig. 1 is the assembling exploded view that the present invention covers jig base, phone housing and masking tool cover plate.
Fig. 2 is design sketch after phone housing development of the present invention.
Fig. 3 is design sketch after second anodic oxidation of phone housing of the present invention.
Fig. 4 is that phone housing of the present invention removes ink design sketch after second anodic oxidation.
Fig. 5 is design sketch after phone housing third time anodic oxidation of the present invention.
Reference includes:1- masking jig base 2- phone housing 3- masking tool cover plate.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings, sees accompanying drawing 1-5.
The invention will be further described with the following Examples.
Embodiment 1
In the present embodiment, a kind of surface treatment method of the high plain edge of aluminum alloy mobile phone shell 2, comprise the following steps:
Aluminum alloy mobile phone shell 2 is carried out external form and embedded SMA actuators by step (1), and phone housing 2 includes bonnet and frame;
Phone housing 2 after surface polishing, surface alkali cleaning, surface sand-blasting, first time anodic oxidation, carries out CNC bloom to frame successively
Process, form high plain edge, frame includes horizontal frame positioned at phone housing 2 upper and lower ends, is located at phone housing 2 left and right sides
Longitudinal frame and connect horizontal frame and the corner side of longitudinal frame, longitudinal frame include near the upper ledge side of display screen and
Lower frame away from display screen;Then oil removing cleaning is carried out to phone housing 2;
Step (2) is covered covering tool cover plate 3 above phone housing 2 inner chamber, then phone housing 2 is placed in protective case
Interior, put into after clamping protective case in masking jig base 1;After selecting ink and diluent mixing, it is sprayed at masking tool and handss
Machine shell 2, makes high plain edge and inner chamber side be coated with ink, and ink is UV photosensitive-ink;The filter of 300 mesh is crossed before ink spraying
Net, filtered ink is put in ink special case, starts automatic spraying machine and enters spraying operation, the coating thickness of ink is
0.06mm;Preferably, described diluent is the WJ-636 type diluent of the good former Science and Technology Ltd.'s production of refining in Shenzhen ten thousand;
The ink being sprayed at masking tool and phone housing 2 is toasted by step (3), after having toasted removes masking tool
Remove;Ink baking temperature is 90 DEG C, and baking time is 45min;
After step (4) phone housing 2 baking finishes, phone housing 2 and exposure tool are assembled, is placed in exposure machine and carries out
Uv-exposure is processed;Exposure tool is provided with the film, and the film includes transparent area and shading region, and transparent area is covered in upper ledge side, on
The ink on frame side is exposed;Shading region is covered in corner side, horizontal frame and lower frame, corner side, horizontal frame and lower frame
Ink be not exposed;The intensity of illumination of uv-exposure is 400mj/cm2;During operation, exposure tool is provided with positioner, luxuriant and rich with fragrance
Woods is affixed on the film by positioning requirements, and the exposure tool posting the film is placed on intracavity in phone housing 2, by phone housing 2 together with exposure
Light tool is put on exposure machine double layer working bench face together, and LED source of parallel light formula exposure machine selected by exposure machine, and exposure machine is incidentally true
Empty adsorbent thin film, during exposure, thin film evacuation fits tightly the film above phone housing 2;
Step (5) is sprayed at the phone housing 2 of exposure using developer solution, carries out development treatment, and developer solution is quality hundred
Divide the sodium carbonate liquor that specific concentration is 1.2%;The ink not being exposed on phone housing 2 is dissolved by the developing to be got rid of, and is exposed
The ink at light position is retained;Design sketch after phone housing of the present invention development is as shown in Fig. 2 the color deep part of longitudinal frame
It is upper side frame, this position is not exposed, and ink is retained.
Phone housing 2 after developing is toasted by step (6), and baking temperature is 90 DEG C, and baking time is 30min, dries
Bake, after finishing, cured printing ink is irradiated using UV, the intensity of illumination of UV solidification is 2000mj/cm2;For avoid ink UV solidification when because
The impact to follow-up removing oil ink for the high temperature, therefore the LED ultraviolet source of low temperature selected by UV machine;
Phone housing 2 after ultraviolet light polymerization is carried out second anodized by step (7);Phone housing of the present invention
Design sketch after second anodic oxidation as shown in figure 3, the color deep part of longitudinal frame is upper side frame, protected by ink
Stay;Phone housing frame (except upper ledge while in addition to) corner while and other positions after second anodized, color with
Bonnet color is identical;It can be seen that high plain edge (i.e. phone housing frame in addition to upper ledge side) be coated with ink
Upper side frame boundary side be straight line;
Phone housing 2 after second anodic oxidation is placed in deinking agent step (8), removes ink;Preferably,
Described deinking agent is the WJY-888B type deinking agent of the good former Science and Technology Ltd.'s production of refining in Shenzhen ten thousand;Phone housing warp of the present invention
After second anodic oxidation, removing ink design sketch is as shown in figure 4, the ink on upper ledge side is removed;
The phone housing 2 removing ink is carried out third time anodized by step (9), and phone housing of the present invention is through the
Design sketch after three anodic oxidations, as shown in figure 5, upper ledge side becomes black after third time anodic oxidation, forms black surround, black surround
With high plain edge (i.e. except upper ledge while in addition to phone housing frame) boundary while be straight line.
In the present embodiment, in described step (1), the method for oil removing cleaning comprises the following steps:
After hanging on phone housing 2, carry out ungrease treatment, skimming temp is 55 DEG C, degreasing time is 120s, through two road water
Wash, carry out the pickling demoulding, pickling demoulding time is 8s, carries out three road washings;Ultrasound wave cleaning 60s at a temperature of 80 DEG C, then
Dry, baking temperature is 80 DEG C, baking time is 10min.
In the present embodiment, in described step (2), ink includes the component of following weight portion:
Further, described photosensitizer is 907 photosensitizer.
In the present embodiment, in described step (7), the method for second anodized comprises the following steps:
A1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 55 DEG C, degreasing time be 120s, washing,
Carry out the pickling demoulding, pickling demoulding time is 8s, is washed;
A2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 10V, and electrolysis time is
30min, washing;
A3, table tune is carried out to phone housing 2, table temperature regulating is 55 DEG C, be 120s between table timing;Ultrasound wave is clear at normal temperatures
Wash 60s, washing, after dyeing 90s, then wash, sealing of hole at a temperature of 95 DEG C, the sealing of hole time is 30min, in 80 DEG C of temperature after washing
Degree lower ultrasound wave cleaning 60s, dries, baking temperature is 80 DEG C, baking time is 10min.
In the present embodiment, in described step (9), the method for third time anodized comprises the following steps:
B1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 55 DEG C, degreasing time be 120s, washing,
Carry out the pickling demoulding, pickling demoulding time is 8s, is washed;
B2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 10V, and electrolysis time is
45min, washing;
B3, table tune is carried out to phone housing 2, table temperature regulating is 55 DEG C, be 180s between table timing;Ultrasound wave is clear at normal temperatures
Wash 60, after washing, high plain edge is dyed black near the upper ledge side of display screen, dyeing temperature is 55 DEG C of dyeing times is 90s, so
After wash, sealing of hole at a temperature of 95 DEG C, the sealing of hole time be 30min, after washing at a temperature of 80 DEG C ultrasound wave cleaning 60s, dry,
Baking temperature is 80 DEG C, and baking time is 10min.In the present embodiment, the washing of each step is washed for 1-3 road.
Embodiment 2
In the present embodiment, a kind of surface treatment method of the high plain edge of aluminum alloy mobile phone shell 2, comprise the following steps:
Aluminum alloy mobile phone shell 2 is carried out external form and embedded SMA actuators by step (1), and phone housing 2 includes bonnet and frame;
Phone housing 2 after surface polishing, surface alkali cleaning, surface sand-blasting, first time anodic oxidation, carries out CNC bloom to frame successively
Process, form high plain edge, frame includes horizontal frame positioned at phone housing 2 upper and lower ends, is located at phone housing 2 left and right sides
Longitudinal frame and connect horizontal frame and the corner side of longitudinal frame, longitudinal frame include near the upper ledge side of display screen and
Lower frame away from display screen;Then oil removing cleaning is carried out to phone housing 2;
Step (2) is covered covering tool cover plate 3 above phone housing 2 inner chamber, then phone housing 2 is placed in protective case
Interior, put into after clamping protective case in masking jig base 1;After selecting ink and diluent mixing, it is sprayed at masking tool and handss
Machine shell 2, makes high plain edge and inner chamber side be coated with ink, and ink is UV photosensitive-ink;The filter of 280 mesh is crossed before ink spraying
Net, filtered ink is put in ink special case, starts automatic spraying machine and enters spraying operation, the coating thickness of ink is
0.05mm;Preferably, described diluent is the WJ-636 type diluent of the good former Science and Technology Ltd.'s production of refining in Shenzhen ten thousand;
The ink being sprayed at masking tool and phone housing 2 is toasted by step (3), after having toasted removes masking tool
Remove;Ink baking temperature is 85 DEG C, and baking time is 50min;
After step (4) phone housing 2 baking finishes, phone housing 2 and exposure tool are assembled, is placed in exposure machine and carries out
Uv-exposure is processed;Exposure tool is provided with the film, and the film includes transparent area and shading region, and transparent area is covered in upper ledge side, on
The ink on frame side is exposed;Shading region is covered in corner side, horizontal frame and lower frame, corner side, horizontal frame and lower frame
Ink be not exposed;The intensity of illumination of uv-exposure is 300mj/cm2;During operation, exposure tool is provided with positioner, luxuriant and rich with fragrance
Woods is affixed on the film by positioning requirements, and the exposure tool posting the film is placed on intracavity in phone housing 2, by phone housing 2 together with exposure
Light tool is put on exposure machine double layer working bench face together, and LED source of parallel light formula exposure machine selected by exposure machine, and exposure machine is incidentally true
Empty adsorbent thin film, during exposure, thin film evacuation fits tightly the film above phone housing 2;
Step (5) is sprayed at the phone housing 2 of exposure using developer solution, carries out development treatment, and developer solution is quality hundred
Divide the sodium carbonate liquor that specific concentration is 1%;The ink not being exposed on phone housing 2 is dissolved by the developing to be got rid of, and is exposed
The ink at position is retained;
Phone housing 2 after developing is toasted by step (6), and baking temperature is 85 DEG C, and baking time is 32min, dries
Bake, after finishing, cured printing ink is irradiated using UV, the intensity of illumination of UV solidification is 1800mj/cm2;For avoid ink UV solidification when because
The impact to follow-up removing oil ink for the high temperature, therefore the LED ultraviolet source of low temperature selected by UV machine;
Phone housing 2 after ultraviolet light polymerization is carried out second anodized by step (7);
Phone housing 2 after second anodic oxidation is placed in deinking agent step (8), removes ink;Preferably,
Described deinking agent is the WJY-888B type deinking agent of the good former Science and Technology Ltd.'s production of refining in Shenzhen ten thousand;
The phone housing 2 removing ink is carried out third time anodized by step (9).
In the present embodiment, in described step (1), the method for oil removing cleaning comprises the following steps:
After hanging on phone housing 2, carry out ungrease treatment, skimming temp is 50 DEG C, degreasing time is 140s, washing is entered
The row pickling demoulding, pickling demoulding time is 5s, is washed;At a temperature of 75 DEG C, ultrasound wave cleaning 70s, then dries, baking
Temperature is 75 DEG C, and baking time is 11min.
In the present embodiment, in described step (2), ink includes the component of following weight portion:
Further, described photosensitizer is 907 photosensitizer.
In the present embodiment, in described step (7), the method for second anodized comprises the following steps:
A1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 50 DEG C, degreasing time be 140s, washing,
Carry out the pickling demoulding, pickling demoulding time is 5s, is washed;
A2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 9V, and electrolysis time is
28min, washing;
A3, table tune is carried out to phone housing 2, table temperature regulating is 50 DEG C, be 140s between table timing;Ultrasound wave is clear at normal temperatures
Wash 50s, washing, after dyeing 1min, then wash, sealing of hole at a temperature of 92 DEG C, the sealing of hole time is 32min, at 75 DEG C after washing
At a temperature of ultrasound wave cleaning 70s, dry, baking temperature be 75 DEG C, baking time be 11min.
In the present embodiment, in described step (9), the method for third time anodized comprises the following steps:
B1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 50 DEG C, degreasing time be 140s, washing,
Carry out the pickling demoulding, pickling demoulding time is 5s, is washed;
B2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 9V, and electrolysis time is
48min, washing;
B3, table tune is carried out to phone housing 2, table temperature regulating is 50 DEG C, be 210s between table timing;Ultrasound wave is clear at normal temperatures
Wash 50s, after washing, high plain edge dyed black near the upper ledge side of display screen, dyeing temperature is 52 DEG C of dyeing times is 2min,
Then wash, sealing of hole at a temperature of 92 DEG C, the sealing of hole time is 32min, ultrasound wave cleaning 70s, baking at a temperature of 75 DEG C after washing
Dry, baking temperature is 75 DEG C, and baking time is 11min.
Embodiment 3
In the present embodiment, a kind of surface treatment method of the high plain edge of aluminum alloy mobile phone shell 2, comprise the following steps:
Aluminum alloy mobile phone shell 2 is carried out external form and embedded SMA actuators by step (1), and phone housing 2 includes bonnet and frame;
Phone housing 2 after surface polishing, surface alkali cleaning, surface sand-blasting, first time anodic oxidation, carries out CNC bloom to frame successively
Process, form high plain edge, frame includes horizontal frame positioned at phone housing 2 upper and lower ends, is located at phone housing 2 left and right sides
Longitudinal frame and connect horizontal frame and the corner side of longitudinal frame, longitudinal frame include near the upper ledge side of display screen and
Lower frame away from display screen;Then oil removing cleaning is carried out to phone housing 2;
Step (2) is covered covering tool cover plate 3 above phone housing 2 inner chamber, then phone housing 2 is placed in protective case
Interior, put into after clamping protective case in masking jig base 1;After selecting ink and diluent mixing, it is sprayed at masking tool and handss
Machine shell 2, makes high plain edge and inner chamber side be coated with ink, and ink is UV photosensitive-ink;The filter of 320 mesh is crossed before ink spraying
Net, filtered ink is put in ink special case, starts automatic spraying machine and enters spraying operation, the coating thickness of ink is
0.07mm;Preferably, described diluent is the WJ-636 type diluent of the good former Science and Technology Ltd.'s production of refining in Shenzhen ten thousand;
The ink being sprayed at masking tool and phone housing 2 is toasted by step (3), after having toasted removes masking tool
Remove;Ink baking temperature is 95 DEG C, and baking time is 40min;
After step (4) phone housing 2 baking finishes, phone housing 2 and exposure tool are assembled, is placed in exposure machine and carries out
Uv-exposure is processed;Exposure tool is provided with the film, and the film includes transparent area and shading region, and transparent area is covered in upper ledge side, on
The ink on frame side is exposed;Shading region is covered in corner side, horizontal frame and lower frame, corner side, horizontal frame and lower frame
Ink be not exposed;The intensity of illumination of uv-exposure is 500mj/cm2;During operation, exposure tool is provided with positioner, luxuriant and rich with fragrance
Woods is affixed on the film by positioning requirements, and the exposure tool posting the film is placed on intracavity in phone housing 2, by phone housing 2 together with exposure
Light tool is put on exposure machine double layer working bench face together, and LED source of parallel light formula exposure machine selected by exposure machine, and exposure machine is incidentally true
Empty adsorbent thin film, during exposure, thin film evacuation fits tightly the film above phone housing 2;
Step (5) is sprayed at the phone housing 2 of exposure using developer solution, carries out development treatment, and developer solution is quality hundred
Divide the sodium carbonate liquor that specific concentration is 1.5%;The ink not being exposed on phone housing 2 is dissolved by the developing to be got rid of, and is exposed
The ink at light position is retained;
Phone housing 2 after developing is toasted by step (6), and baking temperature is 95 DEG C, and baking time is 28min, dries
Bake, after finishing, cured printing ink is irradiated using UV, the intensity of illumination of UV solidification is 2200mj/cm2;The LED ultraviolet of low temperature selected by UV machine
Light source;
Phone housing 2 after ultraviolet light polymerization is carried out second anodized by step (7);
Phone housing 2 after second anodic oxidation is placed in deinking agent step (8), removes ink;Preferably,
Described deinking agent is the WJY-888B type deinking agent of the good former Science and Technology Ltd.'s production of refining in Shenzhen ten thousand;
The phone housing 2 removing ink is carried out third time anodized by step (9).
In the present embodiment, in described step (1), the method for oil removing cleaning comprises the following steps:
After hanging on phone housing 2, carry out ungrease treatment, skimming temp is 60 DEG C, degreasing time is 100s, washing is entered
The row pickling demoulding, pickling demoulding time is 10s, is washed;At a temperature of 85 DEG C, ultrasound wave cleaning 50s, then dries, baking
Temperature is 85 DEG C, and baking time is 9min.
In the present embodiment, in described step (2), ink includes the component of following weight portion:
Further, described photosensitizer is 907 photosensitizer.
In the present embodiment, in described step (7), the method for second anodized comprises the following steps:
A1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 60 DEG C, degreasing time be 100s, washing,
Carry out the pickling demoulding, pickling demoulding time is 10s, is washed;
A2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 11V, and electrolysis time is
28min, washing;
A3, table tune is carried out to phone housing 2, table temperature regulating is 60 DEG C, be 100s between table timing;Ultrasound wave is clear at normal temperatures
Wash 70s, washing, after dyeing 2min, then wash, sealing of hole at a temperature of 98 DEG C, the sealing of hole time is 28min, at 85 DEG C after washing
At a temperature of ultrasound wave cleaning 50s, dry, baking temperature be 85 DEG C, baking time be 9min.
In the present embodiment, in described step (9), the method for third time anodized comprises the following steps:
B1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 60 DEG C, degreasing time be 100s, washing,
Carry out the pickling demoulding, pickling demoulding time is 10s, is washed;
B2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 11V, and electrolysis time is
42min, washing;
B3, table tune is carried out to phone housing 2, table temperature regulating is 60 DEG C, be 150s between table timing;Ultrasound wave is clear at normal temperatures
Wash 70s, after washing, high plain edge dyed black near the upper ledge side of display screen, dyeing temperature is 58 DEG C of dyeing times is 1min,
Then wash, sealing of hole at a temperature of 98 DEG C, the sealing of hole time is 28min, ultrasound wave cleaning 50s, baking at a temperature of 85 DEG C after washing
Dry, baking temperature is 85 DEG C, and baking time is 9min.
Embodiment 4
In the present embodiment, a kind of surface treatment method of the high plain edge of aluminum alloy mobile phone shell 2, comprise the following steps:
Aluminum alloy mobile phone shell 2 is carried out external form and embedded SMA actuators by step (1), and phone housing 2 includes bonnet and frame;
Phone housing 2 after surface polishing, surface alkali cleaning, surface sand-blasting, first time anodic oxidation, carries out CNC bloom to frame successively
Process, form high plain edge, frame includes horizontal frame positioned at phone housing 2 upper and lower ends, is located at phone housing 2 left and right sides
Longitudinal frame and connect horizontal frame and the corner side of longitudinal frame, longitudinal frame include near the upper ledge side of display screen and
Lower frame away from display screen;Then oil removing cleaning is carried out to phone housing 2;
Step (2) is covered covering tool cover plate 3 above phone housing 2 inner chamber, then phone housing 2 is placed in protective case
Interior, put into after clamping protective case in masking jig base 1;After selecting ink and diluent mixing, it is sprayed at masking tool and handss
Machine shell 2, makes high plain edge and inner chamber side be coated with ink, and ink is UV photosensitive-ink;The filter of 300 mesh is crossed before ink spraying
Net, filtered ink is put in ink special case, starts automatic spraying machine and enters spraying operation, the coating thickness of ink is
0.07mm;Preferably, described diluent is the WJ-636 type diluent of the good former Science and Technology Ltd.'s production of refining in Shenzhen ten thousand;
The ink being sprayed at masking tool and phone housing 2 is toasted by step (3), after having toasted removes masking tool
Remove;Ink baking temperature is 90 DEG C, and baking time is 45min;
After step (4) phone housing 2 baking finishes, phone housing 2 and exposure tool are assembled, is placed in exposure machine and carries out
Uv-exposure is processed;Exposure tool is provided with the film, and the film includes transparent area and shading region, and transparent area is covered in upper ledge side, on
The ink on frame side is exposed;Shading region is covered in corner side, horizontal frame and lower frame, corner side, horizontal frame and lower frame
Ink be not exposed;The intensity of illumination of uv-exposure is 450mj/cm2;During operation, exposure tool is provided with positioner, luxuriant and rich with fragrance
Woods is affixed on the film by positioning requirements, and the exposure tool posting the film is placed on intracavity in phone housing 2, by phone housing 2 together with exposure
Light tool is put on exposure machine double layer working bench face together, and LED source of parallel light formula exposure machine selected by exposure machine, and exposure machine is incidentally true
Empty adsorbent thin film, during exposure, thin film evacuation fits tightly the film above phone housing 2;
Step (5) is sprayed at the phone housing 2 of exposure using developer solution, carries out development treatment, and developer solution is quality hundred
Divide the sodium carbonate liquor that specific concentration is 1.3%;The ink not being exposed on phone housing 2 is dissolved by the developing to be got rid of, and is exposed
The ink at light position is retained;
Phone housing 2 after developing is toasted by step (6), and baking temperature is 90 DEG C, and baking time is 30min, dries
Bake, after finishing, cured printing ink is irradiated using UV, the intensity of illumination of UV solidification is 2100mj/cm2;The LED ultraviolet of low temperature selected by UV machine
Light source;
Phone housing 2 after ultraviolet light polymerization is carried out second anodized by step (7);
Phone housing 2 after second anodic oxidation is placed in deinking agent step (8), removes ink;Preferably,
Described deinking agent is the WJY-888B type deinking agent of the good former Science and Technology Ltd.'s production of refining in Shenzhen ten thousand;
The phone housing 2 removing ink is carried out third time anodized by step (9).
In the present embodiment, in described step (1), the method for oil removing cleaning comprises the following steps:
After hanging on phone housing 2, carry out ungrease treatment, skimming temp is 55 DEG C, degreasing time is 120s, washing is entered
The row pickling demoulding, pickling demoulding time is 9s, is washed;At a temperature of 82 DEG C, ultrasound wave cleaning 60s, then dries, baking
Temperature is 82 DEG C, and baking time is 10min.
In the present embodiment, in described step (2), ink includes the component of following weight portion:
Further, described photosensitizer is 907 photosensitizer.
In the present embodiment, in described step (7), the method for second anodized comprises the following steps:
A1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 55 DEG C, degreasing time be 110s, washing,
Carry out the pickling demoulding, pickling demoulding time is 9s, is washed;
A2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 10V, and electrolysis time is
30min, washing;
A3, table tune is carried out to phone housing 2, table temperature regulating is 55 DEG C, be 120s between table timing;Ultrasound wave is clear at normal temperatures
Wash 60s, washing, after dyeing 100s, then wash, sealing of hole at a temperature of 95 DEG C, the sealing of hole time is 30min, at 80 DEG C after washing
At a temperature of ultrasound wave cleaning 60s, dry, baking temperature be 80 DEG C, baking time be 10min.
In the present embodiment, in described step (9), the method for third time anodized comprises the following steps:
B1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 55 DEG C, degreasing time be 110s, washing,
Carry out the pickling demoulding, pickling demoulding time is 9s, is washed;
B2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 10V, and electrolysis time is
45min, washing;
B3, table tune is carried out to phone housing 2, table temperature regulating is 55 DEG C, be 200s between table timing;Ultrasound wave is clear at normal temperatures
Wash 60s, after washing, high plain edge dyed black near the upper ledge side of display screen, dyeing temperature is 55 DEG C of dyeing times is 100s,
Then wash, sealing of hole at a temperature of 95 DEG C, the sealing of hole time is 30min, ultrasound wave cleaning 60s, baking at a temperature of 80 DEG C after washing
Dry, baking temperature is 80 DEG C, and baking time is 10min.
Embodiment 5
The present embodiment is with the difference of embodiment 1:
In the present embodiment, in described step (2), ink includes the component of following weight portion:
In the present embodiment, in described step (7), the method for second anodized comprises the following steps:
A1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 55 DEG C, degreasing time be 120s, washing,
Carry out the pickling demoulding, pickling demoulding time is 7s, is washed;
A2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 10V, and electrolysis time is
32min, washing;
A3, table tune is carried out to phone housing 2, table temperature regulating is 55 DEG C, be 120s between table timing;Ultrasound wave is clear at normal temperatures
Wash 60s, washing, after dyeing 2min, then wash, sealing of hole at a temperature of 95 DEG C, the sealing of hole time is 32min, at 80 DEG C after washing
At a temperature of ultrasound wave cleaning 60s, dry, baking temperature be 80 DEG C, baking time be 10min.
In the present embodiment, in described step (9), the method for third time anodized comprises the following steps:
B1, will on phone housing 2 hang after, carry out ungrease treatment, skimming temp be 55 DEG C, degreasing time be 120s, washing,
Carry out the pickling demoulding, pickling demoulding time is 7s, is washed;
B2, it is placed in electrolyte for anode with phone housing 2 and is electrolysed, decomposition voltage is 10V, and electrolysis time is
46min, washing;
B3, table tune is carried out to phone housing 2, table temperature regulating is 55 DEG C, be 180s between table timing;Ultrasound wave is clear at normal temperatures
Wash 60s, after washing, high plain edge dyed black near the upper ledge side of display screen, dyeing temperature is 55 DEG C of dyeing times is 2min,
Then wash, sealing of hole at a temperature of 95 DEG C, the sealing of hole time is 32min, ultrasound wave cleaning 70s, baking at a temperature of 80 DEG C after washing
Dry, baking temperature is 80 DEG C, and baking time is 10min.
Finally it should be noted that above example is only in order to illustrating technical scheme, rather than the present invention is protected
The restriction of shield scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. a kind of high plain edge of aluminum alloy mobile phone shell surface treatment method it is characterised in that:Comprise the following steps:
Aluminum alloy mobile phone shell is carried out external form and embedded SMA actuators by step (1), and phone housing includes bonnet and frame, frame bag
Include the horizontal frame positioned at phone housing upper and lower ends, be located at longitudinal frame of the phone housing left and right sides and connect widthwise edge
Frame and the corner side of longitudinal frame, longitudinal frame is included near the upper ledge side of display screen and the lower frame away from display screen;Mobile phone
Shell after surface polishing, surface alkali cleaning, surface sand-blasting, first time anodic oxidation, carries out the high optical processing of CNC successively to frame,
Form high plain edge;Then oil removing cleaning is carried out to phone housing;
Step (2) is covered covering tool cover plate above phone housing inner chamber, then phone housing is placed in protective case, clamping
Put into after protective case in masking jig base;After selecting ink and diluent mixing, it is sprayed at masking tool and phone housing, makes
High plain edge and inner chamber side are coated with ink, and ink is UV photosensitive-ink;
The ink being sprayed at masking tool and phone housing is toasted by step (3), will cover tool and remove after having toasted;
After the baking of step (4) phone housing finishes, phone housing and exposure tool are assembled, is placed in exposure machine and carries out ultraviolet exposure
Optical processing;Exposure tool is provided with the film, and the film includes transparent area and shading region, and transparent area is covered in upper ledge side, upper ledge side
Ink is exposed;Shading region is covered in corner side, horizontal frame and lower frame, the ink on corner side, horizontal frame and lower frame
It is not exposed;
Step (5) is sprayed at the phone housing of exposure using developer solution, carries out development treatment, phone housing is not exposed
Ink is dissolved by the developing to be got rid of, and the ink being exposed position is retained;
Phone housing after developing is toasted by step (6), and baking irradiates cured printing ink using UV after finishing;
Phone housing after ultraviolet light polymerization is carried out second anodized by step (7);
Phone housing after second anodic oxidation is placed in deinking agent step (8), removes ink;
The phone housing removing ink is carried out third time anodized by step (9).
2. a kind of high plain edge of aluminum alloy mobile phone shell according to claim 1 surface treatment method it is characterised in that:Institute
State in step (1), the method for oil removing cleaning comprises the following steps:
After hanging on phone housing, carry out ungrease treatment, skimming temp is 50-60 DEG C, degreasing time is 100-140s, washing,
Carry out the pickling demoulding, pickling demoulding time is 5-10s, is washed;Ultrasound wave cleaning 50-70s at a temperature of 75-85 DEG C, so
Post-drying, baking temperature is 75-85 DEG C, and baking time is 9-11min.
3. a kind of high plain edge of aluminum alloy mobile phone shell according to claim 1 surface treatment method it is characterised in that:Institute
State in step (2), ink includes the component of following weight portion:
4. a kind of high plain edge of aluminum alloy mobile phone shell according to claim 3 surface treatment method it is characterised in that:Institute
State in step (2), cross the filter screen of 280-320 mesh before ink spraying, the coating thickness of ink is 0.05-0.07mm.
5. a kind of high plain edge of aluminum alloy mobile phone shell according to claim 1 surface treatment method it is characterised in that:Institute
State in step (3), ink baking temperature is 85-95 DEG C, baking time is 40-50min.
6. a kind of high plain edge of aluminum alloy mobile phone shell according to claim 1 surface treatment method it is characterised in that:Institute
State in step (4), the intensity of illumination of uv-exposure is 300-500mj/cm2.
7. a kind of high plain edge of aluminum alloy mobile phone shell according to claim 1 surface treatment method it is characterised in that:Institute
State in step (5), developer solution is the sodium carbonate liquor of 1-1.5% for mass percent concentration.
8. a kind of high plain edge of aluminum alloy mobile phone shell according to claim 1 surface treatment method it is characterised in that:Institute
State in step (6), the baking temperature of phone housing is 85-95 DEG C, baking time is 28-32min, the intensity of illumination of UV solidification is
1800-2200mj/cm2.
9. a kind of high plain edge of aluminum alloy mobile phone shell according to claim 1 surface treatment method it is characterised in that:Institute
State in step (7), the method for second anodized comprises the following steps:
A1, will on phone housing hang after, carry out ungrease treatment, skimming temp be 50-60 DEG C, degreasing time be 100-140s, water
Wash, carry out the pickling demoulding, pickling demoulding time is 5-10s, is washed;
A2, it is placed in electrolyte for anode with phone housing and is electrolysed, decomposition voltage is 9-11V, and electrolysis time is 28-
32min, washing;
A3, phone housing is carried out with table tune, table temperature regulating is 50-60 DEG C, be 100-140s between table timing;Ultrasound wave at normal temperatures
Cleaning 50-70s, washing, after dyeing 1-2min, then wash, sealing of hole at a temperature of 92-98 DEG C, the sealing of hole time is 28-32min,
Ultrasound wave cleaning 50-70s, drying at a temperature of 75-85 DEG C after washing.
10. a kind of high plain edge of aluminum alloy mobile phone shell according to claim 1 surface treatment method it is characterised in that:
In described step (9), the method for third time anodized comprises the following steps:
B1, will on phone housing hang after, carry out ungrease treatment, skimming temp be 50-60 DEG C, degreasing time be 100-140s, water
Wash, carry out the pickling demoulding, pickling demoulding time is 5-10s, is washed;
B2, it is placed in electrolyte for anode with phone housing and is electrolysed, decomposition voltage is 9-11V, and electrolysis time is 42-
48min, washing;
B3, phone housing is carried out with table tune, table temperature regulating is 50-60 DEG C, be 150-210s between table timing;Ultrasound wave at normal temperatures
Cleaning 50-70s, after washing, high plain edge is dyed black near the upper ledge side of display screen, when dyeing temperature is 52-58 DEG C of dyeing
Between be 1-2min, then wash, sealing of hole at a temperature of 92-98 DEG C, the sealing of hole time be 28-32min, in 75-85 DEG C of temperature after washing
Degree lower ultrasound wave cleaning 50-70s, dries.
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