CN108004580A - A kind of metal surface prepares the corrosion device and method of double-colored film layer - Google Patents
A kind of metal surface prepares the corrosion device and method of double-colored film layer Download PDFInfo
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- CN108004580A CN108004580A CN201711277374.8A CN201711277374A CN108004580A CN 108004580 A CN108004580 A CN 108004580A CN 201711277374 A CN201711277374 A CN 201711277374A CN 108004580 A CN108004580 A CN 108004580A
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- 230000007797 corrosion Effects 0.000 title claims abstract description 49
- 238000005260 corrosion Methods 0.000 title claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000009194 climbing Effects 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004040 coloring Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C25D11/26—Anodisation of refractory metals or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/08—Apparatus, e.g. for photomechanical printing surfaces
-
- 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
-
- 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
- C25D11/14—Producing integrally coloured layers
-
- 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
- C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- ing And Chemical Polishing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses the corrosion device that a kind of metal surface prepares double-colored film layer, including groove mechanism, pipetting device and control mechanism, the first groove body for wherein accommodating metal product is connected with the second groove body bottom for being pumped into corrosive liquid, and first groove body edge be equipped with overflow sensor, based on connection principle and overflow control mode come to metal product part surface carry out corrosion treatment.Present invention also offers the method based on above-mentioned corrosion device, the metal product for being covered with the first color film layer is placed in the first groove body, corrosive liquid is via entering the first groove body after the buffering of the second groove body, it is controllable that first groove body liquid level rises the steady and rate of climb, so as to form the corrosion interface of even uniform, the second coloring treatment then is carried out to erodable section, obtained product colour line of demarcation is clear, appearance looks elegant, the double-colored film layer for being particularly suitable for special-shaped product or mesh-structured product surface make.
Description
Technical field
The present invention relates to metal surface treatment technology, the corrosion that double-colored film layer is prepared more particularly to a kind of metal surface fills
Put and method.
Background technology
The single metallochrome of metal product or Monochrome surface can not meet people to the diversified demand of product appearance,
Thus while surface of metal product is protected, form colorful appearance and gradually paid attention to for the purpose of mark, beauty,
Its manufacture craft is also growing.
At present, prepare double-colored or polychrome film layer method in metal surface, mainly by subregion machining or
The mode of mask post-etching obtains.Patent application CN102747401A, discloses " a kind of processing method of aluminium part ", its
Mainly by multiple anodic oxidation dyeing processing and appearance working process, different color films is obtained on same aluminum component
Layer；But it is big for the appearance difficulty of processing of special-shaped product or mesh-structured product itself external and internal compositions, it can not be formed inside and outside
Uniform double-colored film layer.Patent application CN101096772B discloses " the preparation side of titanium alloy anodic oxidation colorful
Method ", after it on titanium alloy mainly by being electrolysed a kind of color, after etching removes partial pattern, using another low-voltage
Carry out being electrolysed another color, by the way that above steps may be repeated multiple times so as to obtain colorful pattern, but in actual coloring process,
Require high since etching process controls when etching removes pattern, edge is difficult to control, there are certain intermediate color or black is variegated,
Interface is unintelligible between causing double-colored film layer, causes a degree of bad order in interface.
The content of the invention
It is an object of the invention to overcome the shortcomings of present in the prior art, there is provided a kind of metal surface prepares double-colored film layer
Corrosion device and method.
The technical scheme is that：
A kind of metal surface prepares the corrosion device of double-colored film layer, and described device includes groove mechanism, pipetting device and control
Mechanism；The groove mechanism includes outer tank body and connectivity slot, and connectivity slot is arranged among outer tank body, and connectivity slot is mutually connected including bottom
Logical the first groove body and the second groove body, wherein the first groove body be used to accommodating metal product treat erodable section；The pipetting device
Including the reservoir and constant displacement pump for storing corrosive liquid, constant displacement pump connection reservoir and the second groove body；The control mechanism bag
Include controller, corrosion timer and overflow sensor, overflow sensor be arranged at the first groove body top edge and feedback signal extremely
Controller, corrosion timer connection controller, controller is according to the overflow alarm of overflow sensor and the time of corrosion timer
Signal controls constant displacement pump, and to the second groove body liquor charging or drawing liquid, the liquid level for controlling first groove body via the second groove body becomes
Change, so as to carry out the control of corrosion threshold.
Optionally, the connectivity slot is separated to form first groove body and the second groove body by partition plate, and the partition plate bottom is set
There is connected entrance.
Optionally, the volume ratio of first groove body and the second groove body is 10~100:1.
Optionally, first groove body has a highly adjustable siding, and the overflow sensor is arranged on described highly adjustable
The top edge of siding.
Optionally, the outer tank body volume is 2~10 times of the connectivity slot, and the height of the outer tank body is higher than described
Connectivity slot, the outer tank body bottom connect the reservoir.
A kind of method that metal surface prepares polychrome film layer comprises the following steps：
1) the first color film layer is formed in surface of metal product；
2) metal product is treated that erodable section is put into the first groove body of any one of Claims 1 to 5 corrosion device,
The constant displacement pump is controlled to be pumped to corrosive liquid in second groove body to the first groove body by the reservoir by controller
In overflow situation, after reacting the corrosion timer default time, the constant displacement pump is controlled to the company by controller
Straight slot carries out drawing liquid, and metal product is shifted and rinsed；
3) the second color film layer is formed in the erodable section surface.
Optionally, the first groove body liquid level climbing speed is 0.05mm/s~0.8mm/s.
Optionally, step 1) and step 3) are to form first color film by anodic oxidation, vapour deposition or plating
Layer and the second color film layer.
Optionally, the metal product includes titanium and its alloy, aluminium and its alloy, stainless steel, copper and its alloy.
Optionally, metal product at least part surface has mesh-structured.
Beneficial effects of the present invention are：
1. by the setting of connectivity slot, the first groove for placing metal product is caused based on connection principle and overflow control mode
The corrosion liquid level of body steadily rises to the corrosion surface for the treatment of of submergence metal product, and liquid fluctuating is small in the first groove body, liquid surface lifting
Speed is controllable, so as to the change of control corrosion rate parting line so that parting line uniform ground after corrosion, carries out at secondary coloring
It is connected that effect is good, and line of demarcation is clear with once colour film layer during reason, and no black is variegated or the presence of intermediate color, appearance are beautiful
See, the double-colored film layer for being particularly suitable for special-shaped product or mesh-structured product surface makes.
2. can realize automated control by the corrosion device of the present invention, controllability is strong, corrosive liquid reusable edible, safety
Environmental protection, suitable for production application.
Brief description of the drawings
Fig. 1 is the structure diagram of corrosion device；
Fig. 2 is to be electrically connected schematic diagram；
Fig. 3 is the product structure schematic diagram of embodiment.
Embodiment
The present invention is described in further detail below in conjunction with drawings and examples.
With reference to figure 1 and Fig. 2, a kind of metal surface prepare double-colored film layer corrosion device include groove mechanism, pipetting device and
Control mechanism.The groove mechanism includes outer tank body 1 and connectivity slot 2, and connectivity slot 2 is arranged among outer tank body 1, and connectivity slot 2 includes
The first groove body 21 and the second groove body 22 that bottom interconnects, wherein the first groove body 21 be used to accommodating metal product treat corrosion portion
Point.The pipetting device includes reservoir 4 and constant displacement pump 5, and constant displacement pump 5 connects 4 and second groove body 22 of reservoir；The control machine
Structure includes controller 6, corrosion timer 7 and overflow sensor 8, overflow sensor 8 and is arranged at 21 top edge of the first groove body simultaneously
Feedback signal to controller 6, corrosion timer 7 connects controller 6, overflow alarm and corruption of the controller 6 according to overflow sensor 8
The time signal for losing timer 7 controls constant displacement pump 5 to 22 liquor charging of the second groove body or drawing liquid.
Specifically, the connectivity slot 2 is separated to form 21 and second groove body 22 of the first groove body, 3 bottom of partition plate by partition plate 3
Portion is equipped with connected entrance 31.The volume ratio for first groove body, 21 and second groove body 22 being separated to form is 10~100:1, height phase
Together.Corrosive liquid is pumped into the second groove body 22 by constant displacement pump 5.Those skilled in the art are, it should be understood that when corrosive liquid is directly pumped into by constant displacement pump 5
When in groove body, since the effect liquid fluctuating of impulse force is very big, and fluid change speed is uneven, and corrosion interface line is difficult to control.
In the application, based on law of connected vessels, the corrosive liquid of the second groove body 22 is under the action of liquid pressure via connected entrance 31 bottom of by
Portion enters in the first groove body 21, and the liquid fluctuating of the first groove body 21 is small, keeps a more stable state.Meanwhile pass through two
The proportioning of a groove body volume can control the liquid level rate of climb of the first groove body 21 within the scope of certain, be allowed to uniform, slow
Slowly, smoothly rise, it is achieved thereby that the control to corrosion interface line.
Further, first groove body 21 has a highly adjustable siding 211, and the overflow sensor 8 is arranged on the height
Spend the top edge of adjustable siding 211.This is highly adjustable siding 211 specifically can by replace different height siding or can
The modes such as flexible siding realize that its height determines the height (that is, height of corrosion) of overflow.
1 volume of outer tank body is 2~10 times of the connectivity slot 2, and the height of the outer tank body 1 is higher than the connection
Groove 2,1 bottom of outer tank body connect the reservoir 4.Among the corrosive liquid overflowed by connectivity slot 2 flows into outer tank body 1,
And reservoir 4 can be further back to, avoid the waste of corrosive liquid and the pollution to environment.Specifically, its reflux type can
Realized in a manner of by both, difference in height or setting drawing liquid pump etc. are set.
The constant displacement pump 5 carries pump liquid and drawing liquid function, and pump core is the ceramics or Hastelloy material of rotproofness, Ke Yishi
Corrosive liquid is now pumped into connectivity slot 2 by reservoir 4, after corrosion terminates, the corrosive liquid of connectivity slot 2 can also be drawn back liquid storage
Groove 4, in order to the taking-up of metal product and recycling for corrosive liquid.
A kind of method that metal surface based on above-mentioned corrosion device prepares double-colored film layer, is included in surface of metal product shape
Into the first color film layer, local corrosion is carried out to remove part the first color film layer by above-mentioned corrosion device, in erodable section
Surface forms the step of the second color film layer.
Specifically, the metal product of processing can be such as titanium and its alloy, aluminium and its alloy, stainless steel, copper and its alloy
Deng.The first color film layer is formed in surface of metal product, can be realized by modes such as anodic oxidation, vapour deposition, plating.So
Metal product is treated that erodable section is put into the first groove body 21 of above-mentioned corrosion device afterwards, is controlled by controller 6 described quantitative
Corrosive liquid is pumped in second groove body 22 by pump 5 by the reservoir 4, until the first groove body 21 is in overflow situation and touches
Overflow sensor 8,8 feedback signal of overflow sensor to controller 6 are sent out, controller 6 controls constant displacement pump 5 to be stopped while send
Signal starts timing to setting time to be reacted to corrosion timer 7.After reaction to preset time, corrosion timer 7 returns
Feedback signal to controller 6, controller 6 controls constant displacement pump 5 to carry out drawing liquid to connectivity slot 2, metal product is shifted and rinsed, so that
The first color film layer on erodable section surface is eliminated, then again by modes such as anodic oxidation, vapour deposition, plating in corrosion
Part surface forms the second color film layer.
The rate of climb of first groove body 21 corrosion liquid level need to be controlled in a certain range, and the liquid level rate of climb is too fast, can cause
Liquid fluctuating is larger, and parting line is uneven, and presentation quality is poor；The rate of climb is excessively slow, extent of corrosion can be caused to increase, easily cause boundary
Black is variegated at face.During quantitatively pumping etchant solution, flow control is in 0.001~0.02m3/ s so that the first groove body 21
Liquid level climbing speed is controlled between 0.05mm/s~0.8mm/s.
The part of the first groove body 21 is immersed by varying metal product and is repeated the above steps, also can be in surface of metal product
The 3rd color film layer, the 4th color film layer etc. are formed, realizes polychromatic surface.
Embodiment, orthopaedic medical treatment implants are mostly special-shaped porous metal material, and model is numerous, are distinguished for ease of quick,
Double-colored or polychrome film layer method can be formed by surface to realize.A spinal interbody fusion device component is provided, it is mesh
The tubular structure of wall body, aperture 25mm, material are titanium.By the spinal interbody fusion device component by the method for anodic oxidation in
Surface forms the oxide-film of the first color, among being subsequently placed in height as the first groove body of its half, and the first groove body and second
The volume ratio of groove body is 50：1.The mixed solution of corrosive liquid nitric acid and hydrofluoric acid is pumped into the second groove body, controls the first groove body
Liquid level climbing speed be 0.4mm/s to overflow, react the 5s times, move it in purified water and rinse after drawing liquid, then pass through
The method of anodic oxidation forms the oxide-film of the second color in the part surface of removal the first color oxide-film, specifically, can be with
The oxide-film of formation is controlled by the voltage of anodic oxidation, different colors is formed by interference effect.The product of formation is such as
Shown in Fig. 3, it is seen that dichromatism interface is clear and situations such as free from admixture color or intermediate color, effect is good.
Above-described embodiment is only used for further illustrating that a kind of metal surface of the present invention prepares the corrosion device of double-colored film layer
And method, but the invention is not limited in embodiment, what every technical spirit according to the present invention made above example appoints
What simple modification, equivalent change and modification, each falls within the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of metal surface prepares the corrosion device of double-colored film layer, it is characterised in that：Including groove mechanism, pipetting device and control
Mechanism；The groove mechanism includes outer tank body and connectivity slot, and connectivity slot is arranged among outer tank body, and connectivity slot is mutually connected including bottom
Logical the first groove body and the second groove body, wherein the first groove body be used to accommodating metal product treat erodable section；The pipetting device
Including the reservoir and constant displacement pump for storing corrosive liquid, constant displacement pump connection reservoir and the second groove body；The control mechanism bag
Include controller, corrosion timer and overflow sensor, overflow sensor be arranged at the first groove body top edge and feedback signal extremely
Controller, corrosion timer connection controller, controller is according to the overflow alarm of overflow sensor and the time of corrosion timer
Signal controls constant displacement pump, and to the second groove body liquor charging or drawing liquid, the liquid level for controlling first groove body via the second groove body becomes
Change.
2. corrosion device according to claim 1, it is characterised in that：The connectivity slot is separated to form described first by partition plate
Groove body and the second groove body, the partition plate bottom are equipped with connected entrance.
3. corrosion device according to claim 1, it is characterised in that：The volume ratio of first groove body and the second groove body is
10~100:1.
4. corrosion device according to claim 1, it is characterised in that：First groove body has a highly adjustable siding,
The overflow sensor is arranged on the top edge of the highly adjustable siding.
5. corrosion device according to claim 1, it is characterised in that：The outer tank body volume for the connectivity slot 2~
10 times, and the height of the outer tank body is higher than the connectivity slot, the outer tank body bottom connects the reservoir.
6. a kind of method that metal surface prepares polychrome film layer, it is characterised in that comprise the following steps：
1) the first color film layer is formed in surface of metal product；
2) metal product is treated that erodable section is put into the first groove body of any one of Claims 1 to 5 corrosion device, passed through
Controller controls the constant displacement pump to be pumped to corrosive liquid in second groove body to the first groove body by the reservoir and is in excessive
Stream mode, after reacting the corrosion timer default time, the constant displacement pump is controlled to the connectivity slot by controller
Drawing liquid is carried out, metal product is shifted and rinsed；
3) the second color film layer is formed in the erodable section surface.
7. the method that metal surface according to claim 6 prepares polychrome film layer, it is characterised in that：The first groove body liquid
Face climbing speed is 0.05mm/s~0.8mm/s.
8. the method that metal surface according to claim 6 prepares polychrome film layer, it is characterised in that：Step 1) and step 3)
It is that the first color film layer and the second color film layer are formed by anodic oxidation, vapour deposition or plating.
9. the method that metal surface according to claim 6 prepares polychrome film layer, it is characterised in that：The metal product bag
Include titanium and its alloy, aluminium and its alloy, stainless steel, copper and its alloy.
10. the method that metal surface according to claim 6 prepares polychrome film layer, it is characterised in that：The metal product
At least part surface has mesh-structured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711277374.8A CN108004580B (en) | 2017-12-06 | 2017-12-06 | Corrosion device and method for preparing double-color film layer on metal surface |
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| CN201711277374.8A CN108004580B (en) | 2017-12-06 | 2017-12-06 | Corrosion device and method for preparing double-color film layer on metal surface |
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| CN109023458A (en) * | 2018-08-13 | 2018-12-18 | 珠海市万顺睿通科技有限公司 | A kind of electroplanting device and method of PCB circuit board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109023458A (en) * | 2018-08-13 | 2018-12-18 | 珠海市万顺睿通科技有限公司 | A kind of electroplanting device and method of PCB circuit board |
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| CN108004580B (en) | 2023-06-06 |
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