CN106041434B - A kind of substrate surface treatment technique - Google Patents

A kind of substrate surface treatment technique Download PDF

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Publication number
CN106041434B
CN106041434B CN201610675679.3A CN201610675679A CN106041434B CN 106041434 B CN106041434 B CN 106041434B CN 201610675679 A CN201610675679 A CN 201610675679A CN 106041434 B CN106041434 B CN 106041434B
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substrate surface
metal base
carried out
plating
metal
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CN106041434A (en
Inventor
曾飞龙
池必清
何亚宁
伍志伟
胡锦春
吴正翠
王洪正
项佳雯
李晓洁
卢梦奇
张晓远
朱建峰
伍志林
范志文
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Jiangsu blue page Industrial Technology Co., Ltd.
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Jiangsu Blue Page Industrial Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/361—Removing material for deburring or mechanical trimming
    • 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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/12—Oxygen-containing compounds
    • 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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/12—Oxygen-containing compounds
    • C23F11/122—Alcohols; Aldehydes; Ketones
    • 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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/16—Sulfur-containing compounds
    • C23F11/161—Mercaptans
    • 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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/167—Phosphorus-containing compounds
    • C23F11/1676—Phosphonic acids
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
    • C23G5/032—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing oxygen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium

Abstract

The present invention relates to a kind of substrate surface treatment techniques, include the following steps：Step 1：Roughing is carried out to metallic substrate surface using numerically-controlled machine tool；Step 2：Metal base is processed by shot blasting using grinder；Step 3：Metal base is fixed on etching laser machining, and auxiliary positioning is carried out using three-coordinates measuring machine；Step 4：Laser engraving is carried out to metal base；Step 5：Surface oxidation-resistant processing is carried out to metal base using antioxidant；Step 6：Metallic substrate surface is cleaned using degreasing agent for metal；Step 7：Substrate surface is sprayed using clear water；Step 8：Water power plating is carried out to metal base.A kind of substrate surface treatment technique of the present invention carries out water plating after carrying out laser engraving to metallic substrate surface, not only enhances wear-resistant and resistance to corrosion, and also creating makes laser engraving label become more eye-catching, bright unexpected effect.

Description

A kind of substrate surface treatment technique
Technical field
The present invention relates to process of surface treatment, and in particular to a kind of substrate surface treatment technique.
Background technology
The labels such as trade mark, pattern or word on traditional metal base are mostly to pass through specific template shape in a mold At the method can increase the parts such as mold insert to the more demanding of mold, increase the complexity of mould structure.
The label made in aforementioned manners can be divided into two class of convex type and concave type；Due to trade mark, the figure on metal base The labels such as case or word are generally smaller, thus in a mold moulding by casting when easily cause to pour into a mould insufficient and then generate blistering Or the defects of crackle, meanwhile, convex type and concave type can also have some impact on the use of metal base.
On the one hand, laser ablation processing is based on utilizing Numeric Control Technology, using laser as process medium；Metal Substrate to be processed Material irradiates the physical modification of the fusing and gasification of lower moment in laser engraving, laser engraving can be made to achieve the purpose that processing.Use this Kind technology carves the no indentation of label come, and metallic substrate surface is still smooth, no any protrusion or recess, and laser labelling The gloss at place is different from other places.Though the workpiece of laser ablation not fugitive color since it is located at the outermost layer of metal base, therefore compares It is easier to wear and corroded.
On the other hand, chromium plating is high energy consumption, the technique of high pollution, and the method for just reducing pollution, people use multistage clear Water clean and reuse mode, while exhaust gas is also recycled, and good effect is had been achieved with.
Invention content
The purpose of the present invention is：A kind of substrate surface treatment technique is provided, and can be to the image text of metallic substrate surface Word is processed, and the metal base after processing has preferable fiting property, fatigue strength and contact stiffness, particularly with wear-resistant It with corrosion resistant notable feature, while improving prior art and can accomplish water-saving and environmental protection, reduce energy consumption, save raw material.
To achieve the goals above, the present invention provides the following technical solution：
Step 1：Roughing is carried out to metallic substrate surface using numerically-controlled machine tool, and makes the surface roughness of metal base Ra reaches 20~50um；
Step 2：Metal base is processed by shot blasting using grinder, the surface roughness Ra of metal base is made to reach 2 ~3um；
Step 3：Metal base is fixed on etching laser machining, and auxiliary positioning is carried out using three-coordinates measuring machine, it is fixed Position precision reaches 0.05mm；
Step 4：Laser engraving, carving depth 0.2-0.8mm are carried out to metal base；
Step 5：Surface oxidation-resistant processing is carried out to metal base using antioxidant, antioxidant in the antioxidant BHT is 60-75g/L, antioxidant 264 87.5-103.6g/L, DBPC 2,6 ditertiary butyl p cresol 5.3-6.8g/L, dodecane Base mercaptan is 1.6-2.1mol/L, polyether Glycols 0.9-1.3mol/L, aminotrimethylenephosphonic acid 35.6-39.8g/L；
Step 6：Metallic substrate surface is cleaned using degreasing agent for metal, the degreasing agent for metal is ethyl alcohol, oil The aqueous solution of acid, diethylene glycol and coconut oil diethyl alkyd；
Step 7：The clear water for the use of water temperature being 20-28 degrees Celsius is sprayed substrate surface, is sprayed the time For 5-8s；
Step 8：Water power plating is carried out to metal base, wherein GrO in Cr-plating Bath3For 220g/L, and GrO3With SO4 2-Concentration ratio be 100:1.1, HA- chromium plating brightening agents are 6ml/L, and metallic substrate surface has layers of chrome thickness after the completion of plating For 0.25um；
Step 9：Base material blowing hot-air is realized and is dried；Hot blast temperature is 24-26 degrees Celsius, and blowing drying time is 20- 30s。
Further, in step 5, the concrete mode that surface oxidation-resistant processing is carried out to metal base is by liquid Antioxidant is uniformly sprayed to metallic substrate surface, while rotating integrally metal base, spray time 45-55s, metal base Rotating speed is 20-30r/min.
Further, in step 6, the formula percentage of degreasing agent for metal is ethyl alcohol 3-4%, oleic acid 2-3%, diethyl Glycol 5-7%, coconut oil diethanol amine 13-20%, surplus is water.
Further, in step 8, the temperature of water plating solution is 41-45 DEG C when water power plating, the water power plating time For 32-40s.
Further, in step 9, the wind speed of hot wind is 100-120m/s when to base material blowing hot-air.
Beneficial effects of the present invention are：A kind of substrate surface treatment technique can add the pictograph of metallic substrate surface Work positions base material by three-coordinates measuring machine, can make base material registration before carrying out laser engraving to base material, into And ensure that the position at laser engraving position is accurate；Metal base after processing has preferable fiting property, fatigue strength and connects Touch rigidity, in order to simultaneously enhancing base materials wear-resistant and resistance to corrosion, to base material carry out laser engraving after carry out water plating at It manages, the label of laser engraving becomes more eye-catching, bright after water plating；Due to carrying out water to the base material after laser engraving The purpose of plating is the wear-resistant and resistance to corrosion of enhancing base materials, after water plating, not only enhances the anti-of base material Abrasion and resistance to corrosion also make laser engraving label become more eye-catching, bright, therefore produce unexpected effect before Fruit；Water-saving and environmental protection can be accomplished by improving prior art simultaneously, reduced energy consumption, saved raw material.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is described in further detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit The fixed present invention.
Step 1：Roughing is carried out to metallic substrate surface using numerically-controlled machine tool, and makes the surface roughness of metal base Ra reaches 20~50um；
Step 2：Metal base is processed by shot blasting using grinder, the surface roughness Ra of metal base is made to reach 2 ~3um；
Step 3：Metal base is fixed on etching laser machining, and auxiliary positioning is carried out using three-coordinates measuring machine, it is fixed Position precision reaches 0.05mm；
Step 4：Laser engraving, carving depth 0.2-0.8mm are carried out to metal base；
Step 5：Surface oxidation-resistant processing is carried out to metal base using antioxidant, antioxidant in the antioxidant BHT is 60-75g/L, antioxidant 264 87.5-103.6g/L, DBPC 2,6 ditertiary butyl p cresol 5.3-6.8g/L, dodecane Base mercaptan is 1.6-2.1mol/L, polyether Glycols 0.9-1.3mol/L, aminotrimethylenephosphonic acid 35.6-39.8g/L.
Step 6：Metallic substrate surface is cleaned using degreasing agent for metal, the degreasing agent for metal is ethyl alcohol, oil The aqueous solution of acid, diethylene glycol and coconut oil diethyl alkyd；
Step 7：The clear water for the use of water temperature being 20-28 degrees Celsius is sprayed substrate surface, is sprayed the time For 5-8s；
Step 8：Water power plating is carried out to metal base, wherein GrO in Cr-plating Bath3For 220g/L, and GrO3With SO4 2-Concentration ratio be 100:1.1, HA- chromium plating brightening agents are 6ml/L, and metallic substrate surface has layers of chrome thickness after the completion of plating For 0.25um；
Step 9：Base material blowing hot-air is realized and is dried；Hot blast temperature is 24-26 degrees Celsius, and blowing drying time is 20- 30s。
In step 5, the concrete mode that surface oxidation-resistant processing is carried out to metal base is that the antioxidant of liquid is equal It is even to be sprayed to metallic substrate surface, while metal base is rotated integrally, spray time 45-55s, metal base rotating speed is 20- 30r/min。
In step 6, the formula percentage of degreasing agent for metal is ethyl alcohol 3-4%, oleic acid 2-3%, diethylene glycol 5-7%, Coconut oil diethanol amine 13-20%, surplus are water.
In step 8, the temperature of water plating solution is 41-45 DEG C when water plating, and the water plating time is 32-40s.
In step 9, the wind speed of hot wind is 100-120m/s when to base material blowing hot-air.
It is metal base customary in the art, art technology it should be noted that metal base of the present invention Personnel can easily obtain in several ways.
In step 5, surface oxidation-resistant processing is carried out to the metal base for having carried out laser engraving using antioxidant, it can A fine and close passivating film is formed on the surface of metal base, prevents metal base surface in storage and transport from being aoxidized, together When passivating film the label of laser engraving can be made to become more wear-resisting, it is more anticorrosive.
In step 6, metallic substrate surface is cleaned using degreasing agent for metal, can make to be dissolved only in oil in antioxidant Antioxidant BHT, antioxidant 264, DBPC 2,6 ditertiary butyl p cresol, lauryl mercaptan, polyether Glycols and ammonia not soluble in water Three methylenephosphonic acid of base is substantially soluble in degreasing agent for metal and is cleaned, and facilitates in step 7 and is carried out clearly to metallic substrate surface with clear water The process washed ensures that metallic substrate surface cleans free from admixture when water power plating, to guarantee in advance that water electroplating quality.
HA- chromium plating brightening agents in step 8 can directly be bought, and be by speedup brightener, copper and iron cleaner, Gr3+Control Agent three parts form.Wherein speedup brightener, copper and iron cleaner are mainly by containing NH4+、S03 2-Aliphatic compound and heterocycle containing N Compound forms, and speedup brightener can make careful coating crystallization, raising cathode efficiency and dispersibility.
This technique JKFor 35~50A/dm2, cathode efficiency is 23%~27%.In normal operation, tank voltage It is lower 1~2V than traditional handicraft, it is being 0.1dm by plating area2Experiment condition under measure it is as follows:
Work as JK=20A/dm2,ηK=23%；
Work as JK=35A/dm2,ηK=25%；
Work as JK=50A/dm2,ηK=28%；
Work as JK=75A/dm2,ηK=31%.
Above-mentioned JKFor current density, current density when as water power plates herein；ηKFor the efficiency of water power plating.
Copper and iron cleaner can generate slightly solubility substance with copper, iron, to Cr3+Also there are certain complexing, Cr3+Controlling agent It is mainly made of high price compound, chromium can be oxidized to sexavalence from trivalent.Using HA- chromium plating brightening agents, can effectively control The ingredient of tank liquor processed makes solution keep best working condition for a long time, in addition larger annode area and closer negative and positive interpolar The electric energy of distance, saving is considerable.By taking 2000A silicon controlled rectifier (SCR)s as an example:Cr-plating Bath group becomes:CrO3For 220g/L、CrO3:SO4 2-It is 100：1.1, traditional handicraft is compared as follows with the various process parameters of this technique：
Bath temperature/DEG C Tank voltage/V Output current/A ηK/ %
Traditional handicraft 53 2 8 13
This technique 63 4 6.5 25
Because tank voltage is relatively low, it is less for the thermal energy of heating, in addition tank liquor operating temperature is higher, the heat dissipation of itself compared with Soon, under same cooling condition, this technique is used to cool down the cooling water of tank liquor temperature, only the 1/3~1/5 of traditional handicraft, from And water-saving and environmental protection.
In normal working conditions, this technique also uses traditional Pyatyi hydrostatic cleaning, and the quality of level-one ejected wash water is dense Degree is 30~60g/L, the CrO of level V ejected wash water3Mass concentration<5g/L neutralizes the Cr of accumulator tank3+Mass concentration<1g/L, because Bath temperature is higher, and the evaporation of solution is more, so the recycle-water of supplement is also more, the solution taken out of is made to be recycled well, from And save raw material.
In addition it has used HA- chromium plating brightening agents also to have certain removal ability to metal impurities, Cr can be accelerated3+Oxidation speed Degree.
In step 9, when to base material blowing hot-air, using 4 electric heating air blowers from the direction of the front, rear, left and right of base material 4 Hot wind is blown out to intermediate base material simultaneously, the base material after being sprayed by clear water is made to realize flash baking.
Above-described embodiment does not limit the invention to these specific implementations for the present invention is further illustrated Mode.All any modification, equivalent and improvement made by all within the spirits and principles of the present invention etc. should be understood as at this Within the protection domain of invention.

Claims (5)

1. a kind of substrate surface treatment technique, which is characterized in that include the following steps：
Step 1：Roughing is carried out to metallic substrate surface using numerically-controlled machine tool, and the surface roughness Ra of metal base is made to reach To 20~50um；
Step 2：Metal base is processed by shot blasting using grinder, make the surface roughness Ra of metal base reach 2~ 3um；
Step 3：Metal base is fixed on etching laser machining, and auxiliary positioning, positioning accurate are carried out using three-coordinates measuring machine Degree reaches 0.05mm；
Step 4：Laser engraving, carving depth 0.2-0.8mm are carried out to metal base；
Step 5：Surface oxidation-resistant processing is carried out to metal base using antioxidant, antioxidant BHT is in the antioxidant 60-75g/L, antioxidant 264 87.5-103.6g/L, DBPC 2,6 ditertiary butyl p cresol 5.3-6.8g/L, lauryl mercaptan For 1.6-2.1mol/L, polyether Glycols 0.9-1.3mol/L, aminotrimethylenephosphonic acid 35.6-39.8g/L；
Step 6：Metallic substrate surface is cleaned using degreasing agent for metal, the degreasing agent for metal is ethyl alcohol, oleic acid, two The aqueous solution of ethylene glycol and coconut oil diethyl alkyd；
Step 7：The clear water for the use of water temperature being 20-28 degrees Celsius is sprayed substrate surface, and the spray irrigation time is 5- 8s；
Step 8：Water power plating is carried out to metal base, wherein GrO in Cr-plating Bath3For 220g/L, and GrO3With SO4 2-'s Concentration ratio is 100:1.1, HA- chromium plating brightening agents are 6ml/L, and metallic substrate surface is with layers of chrome thickness after the completion of plating 0.25um；
Step 9：Base material blowing hot-air is realized and is dried；Hot blast temperature is 24-26 degrees Celsius, and blowing drying time is 20-30s.
2. a kind of substrate surface treatment technique according to claim 1, it is characterised in that：In step 5, to Metal Substrate Material carries out the concrete mode of surface oxidation-resistant processing as the antioxidant of liquid is uniformly sprayed to metallic substrate surface, while whole Body rotating metallic base material, spray time 45-55s, metal base rotating speed are 20-30r/min.
3. a kind of substrate surface treatment technique according to claim 1, it is characterised in that：In step 6, metal degreasing The formula percentage of agent is ethyl alcohol 3-4%, oleic acid 2-3%, diethylene glycol 5-7%, coconut oil diethanol amine 13-20%, surplus For water.
4. a kind of substrate surface treatment technique according to claim 1, it is characterised in that：In step 8, at water power plating The temperature of water plating solution is 41-45 DEG C when reason, and the water power plating time is 32-40s.
5. a kind of substrate surface treatment technique according to claim 1, it is characterised in that：In step 9, base material is blown The wind speed of hot wind is 100-120m/s when hot wind.
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