CN108043694A - A kind of coating process of wheel hub - Google Patents
A kind of coating process of wheel hub Download PDFInfo
- Publication number
- CN108043694A CN108043694A CN201711183622.2A CN201711183622A CN108043694A CN 108043694 A CN108043694 A CN 108043694A CN 201711183622 A CN201711183622 A CN 201711183622A CN 108043694 A CN108043694 A CN 108043694A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- parts
- drying
- spray
- sprayed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- 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
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/04—Electrophoretic coating characterised by the process with organic material
Abstract
The present invention provides a kind of coating process of wheel hub, is related to Automobile Products technical field field, specific steps include：Pre-treatment；Electrophoresis；Cleaning；Primer spray：Using small-bore spray gun spray-applied primer at twice, interval time is 10 20min twice, it is 0.20 0.30MPa to control first time spray pressure, it is 0.25 0.35MPa to control second of spray pressure, spray distance is 5 10cm, angle makes choice according to the shape of product, after having sprayed, stands 15 18min；First drying：Wheel hub uses 70 DEG C of 11 15min of infra-red drying；Spray painting：Using electrostatic powder coating, powdery paints is equably sprayed on the surface of wheel hub；Secondary drying：The wheel hub sprayed is subjected to curing drying, drying temperature is 200 220 DEG C, then will cure the natural cooling at normal temperatures of the wheel hub after drying；Polishing treatment；Invention enhances coating and the adhesive force of wheel hub, have saved cost, product strength is high, and good toughness, wheel hub quality is good, high precision machining, is unlikely to deform, the popularization of advantageous product strong with impact resistant capability.
Description
Technical field
The present invention relates to Automobile Products technical fields, and in particular to a kind of coating process of wheel hub.
Background technology
With the development of automotive industry, the yield of motor vehicle increases and ownership increases, and is driving economic development and is giving
People's trip is brought convenience.
Wheel hub is essential component on automobile, and performance quality is directly related to the degree of operating steadily and safety of vehicle
Performance, but at present some wheels wheel hub there are impact resistant capability it is not strong the problem of.
Application is last procedure of automotive hub production, and the purpose is to improve the corrosion resistance of automotive hub and U.S.
Sense.At present, in the application to automotive hub, coating process is often complex, complex steps, expends larger manpower object
Power.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of coating process of wheel hub, enhances the attached of coating and wheel hub
Put forth effort.
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of coating process of wheel hub, specifically
Step includes：
1. pre-treatment：The metal fillings and dust of hub surface are cleaned with 60-85 DEG C of hot water in rinsing bowl, by clear
Lotion removes the grease and oxide-film of hub surface, then is dried up after carrying out repeatedly washing with clear water；
2. electrophoresis：Electrophoretic paint is allocated, electrophoretic paint is uniformly mixed, wheel hub is loaded on electrophoresis hanging tool, spoke is immersed
It is maintained under electrophoretic paint liquid level, and by bolt hole and centre bore outside electrophoretic paint；
3. it cleans：Ultrafiltration washing is carried out to wheel hub of the electrophoresis after good, washes out the electrophoretic paint of hub surface adherency；
4. primer spray：Using small-bore spray gun spray-applied primer at twice, interval time is 10-20min twice, control first
Secondary spray pressure is 0.20-0.30MPa, controls second of spray pressure as 0.25-0.35MPa, spray distance 5-10cm, angle
Degree makes choice according to the shape of product, after having sprayed, stands 15-18min；
5. first drying：Wheel hub uses 70 DEG C of infra-red drying 11-15min；
6. it paints：Using electrostatic powder coating, powdery paints is equably sprayed on the surface of wheel hub；
7. secondary drying：The wheel hub sprayed is subjected to curing drying, drying temperature is 200-220 DEG C,
Then the natural cooling at normal temperatures of the wheel hub after drying will be cured；
8. polishing treatment：Using hardness high speed polishing is carried out than painting low hairbrush.
Preferably, the cleaning agent specifically includes following composition：12-15 parts of sodium metasilicate, 4-6 parts of isopropanol, bay
13-15 parts of alcohol polyoxyethylene ether, 5-8 parts of ethyl alcohol, 8-12 parts of surfactant, 15-20 parts of sodium pyrophosphate, secondary alkyl sulfonate 5-
10 parts, first nitre file 1-5 parts, 3-5 parts of neopelex, 7-12 parts of lauryl sodium sulfate, coco-nut oil fatty acid diethyl
13-15 parts of alkylolamides, 0.1-2 parts of sodium hydroxide, 1-3 parts of sodium tripolyphosphate, 60-80 parts of deionized water.
The present invention provides a kind of coating process of wheel hub, enhance the adhesive force of coating and wheel hub, have saved cost,
Product strength is high, and good toughness, wheel hub quality is good, high precision machining, is unlikely to deform strong with impact resistant capability, and advantageous product pushes away
Extensively.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all
Belong to the scope of protection of the invention.
In description of the invention, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection can be mechanical connection or be electrically connected, and can be directly connected to or be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Embodiment 1：
A kind of coating process of wheel hub, specific steps include：
1. pre-treatment：The metal fillings and dust of hub surface are cleaned with 60-85 DEG C of hot water in rinsing bowl, by clear
Lotion removes the grease and oxide-film of hub surface, then is dried up after carrying out repeatedly washing with clear water；
2. electrophoresis：Electrophoretic paint is allocated, electrophoretic paint is uniformly mixed, wheel hub is loaded on electrophoresis hanging tool, spoke is immersed
It is maintained under electrophoretic paint liquid level, and by bolt hole and centre bore outside electrophoretic paint；
3. it cleans：Ultrafiltration washing is carried out to wheel hub of the electrophoresis after good, washes out the electrophoretic paint of hub surface adherency；
4. primer spray：Using small-bore spray gun spray-applied primer at twice, interval time is 10-20min twice, control first
Secondary spray pressure is 0.20-0.30MPa, controls second of spray pressure as 0.25-0.35MPa, spray distance 5-10cm, angle
Degree makes choice according to the shape of product, after having sprayed, stands 15-18min；
5. first drying：Wheel hub uses 70 DEG C of infra-red drying 11-15min；
6. it paints：Using electrostatic powder coating, powdery paints is equably sprayed on the surface of wheel hub；
7. secondary drying：The wheel hub sprayed is subjected to curing drying, drying temperature is 200-220 DEG C, then will be cured
Wheel hub after drying natural cooling at normal temperatures；
8. polishing treatment：Using hardness high speed polishing is carried out than painting low hairbrush.
Embodiment 2：
A kind of coating process of wheel hub, specific steps include：
1. pre-treatment：The metal fillings and dust of hub surface are cleaned with 60-85 DEG C of hot water in rinsing bowl, by clear
Lotion removes the grease and oxide-film of hub surface, then is dried up after carrying out repeatedly washing with clear water；
2. electrophoresis：Electrophoretic paint is allocated, electrophoretic paint is uniformly mixed, wheel hub is loaded on electrophoresis hanging tool, spoke is immersed
It is maintained under electrophoretic paint liquid level, and by bolt hole and centre bore outside electrophoretic paint；
3. it cleans：Ultrafiltration washing is carried out to wheel hub of the electrophoresis after good, washes out the electrophoretic paint of hub surface adherency；
4. primer spray：Using small-bore spray gun spray-applied primer at twice, interval time is 10-20min twice, control first
Secondary spray pressure is 0.20-0.30MPa, controls second of spray pressure as 0.25-0.35MPa, spray distance 5-10cm, angle
Degree makes choice according to the shape of product, after having sprayed, stands 15-18min；
5. first drying：Wheel hub uses 70 DEG C of infra-red drying 11-15min；
6. it paints：Using electrostatic powder coating, powdery paints is equably sprayed on the surface of wheel hub；
7. secondary drying：The wheel hub sprayed is subjected to curing drying, drying temperature is 200-220 DEG C, then will be cured
Wheel hub after drying natural cooling at normal temperatures；
8. polishing treatment：Using hardness high speed polishing is carried out than painting low hairbrush.
Preferably, the cleaning agent specifically includes following composition：12-15 parts of sodium metasilicate, 4-6 parts of isopropanol, bay
13-15 parts of alcohol polyoxyethylene ether, 5-8 parts of ethyl alcohol, 8-12 parts of surfactant, 15-20 parts of sodium pyrophosphate, secondary alkyl sulfonate 5-
10 parts, first nitre file 1-5 parts, 3-5 parts of neopelex, 7-12 parts of lauryl sodium sulfate, coco-nut oil fatty acid diethyl
13-15 parts of alkylolamides, 0.1-2 parts of sodium hydroxide, 1-3 parts of sodium tripolyphosphate, 60-80 parts of deionized water.
Embodiment 2：
A kind of coating process of wheel hub, specific steps include：
1. pre-treatment：The metal fillings and dust of hub surface are cleaned with 60-85 DEG C of hot water in rinsing bowl, by clear
Lotion removes the grease and oxide-film of hub surface, then is dried up after carrying out repeatedly washing with clear water；
2. electrophoresis：Electrophoretic paint is allocated, electrophoretic paint is uniformly mixed, wheel hub is loaded on electrophoresis hanging tool, spoke is immersed
It is maintained under electrophoretic paint liquid level, and by bolt hole and centre bore outside electrophoretic paint；
3. it cleans：Ultrafiltration washing is carried out to wheel hub of the electrophoresis after good, washes out the electrophoretic paint of hub surface adherency；
4. primer spray：Using small-bore spray gun spray-applied primer at twice, interval time is 10-20min twice, control first
Secondary spray pressure is 0.20-0.30MPa, controls second of spray pressure as 0.25-0.35MPa, spray distance 5-10cm, angle
Degree makes choice according to the shape of product, after having sprayed, stands 15-18min；
5. first drying：Wheel hub uses 70 DEG C of infra-red drying 11-15min；
6. it paints：Using electrostatic powder coating, powdery paints is equably sprayed on the surface of wheel hub；
7. secondary drying：The wheel hub sprayed is subjected to curing drying, drying temperature is 200-220 DEG C, then will be cured
Wheel hub after drying natural cooling at normal temperatures；
8. polishing treatment：Using hardness high speed polishing is carried out than painting low hairbrush.Preferably, the specific bag of the cleaning agent
Include following composition：12-15 parts of sodium metasilicate, 4-6 parts of isopropanol, 13-15 parts of ethoxylated dodecyl alcohol, 5-8 parts of ethyl alcohol, surface
8-12 parts of activating agent, 15-20 parts of sodium pyrophosphate, 5-10 parts of secondary alkyl sulfonate, first nitre file 1-5 parts, neopelex
3-5 parts, 7-12 parts of lauryl sodium sulfate, 13-15 parts of cocoanut fatty acid diethanolamide, 0.1-2 parts of sodium hydroxide, trimerization
1-3 parts of sodium phosphate, 60-80 parts of deionized water.
Preferably, the electrophoretic paint specifically includes following composition：25-45 parts of modified amine curing agent, crosslinking agent 10-15
Part, 5-10 parts of resin mill base, 3-5 parts of neutralizer, 10-15 parts of cosolvent, 4-6 parts of lotion, 5-7 parts of deionized water；The electrophoresis
Paint specific preparation method be：Resin mill base and lotion are first put into beaker, add in neutralizer, cosolvent, crosslinking agent, stirring
Uniformly, then deionized water is gradually added into, and stirred evenly, disperseed with dispersion machine low speed, and be gradually added pigment, fully soaked
After pour into mill, add in modified amine curing agent, then high speed grinding carried out on grinder, filtered after being ground to fineness qualification
Discharging.
The coating for the wheel hub that embodiment 1,2,3 is processed is tested, and is compared with market wheel hub.Experiment knot
Fruit is as follows：
The present invention provides a kind of coating process of wheel hub, enhance the adhesive force of coating and wheel hub, have saved cost,
Product strength is high, and good toughness, wheel hub quality is good, high precision machining, is unlikely to deform strong with impact resistant capability, and advantageous product pushes away
Extensively.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to foregoing each implementation
Technical solution recorded in example modifies or carries out equivalent substitution to which part technical characteristic；And these modification or
It replaces, the essence of appropriate technical solution is not made to depart from the spirit and scope of various embodiments of the present invention technical solution.
Claims (2)
1. a kind of coating process of wheel hub, which is characterized in that specific steps include：
1. pre-treatment：The metal fillings and dust of hub surface are cleaned with 60-85 DEG C of hot water in rinsing bowl, passes through cleaning agent
The grease and oxide-film of hub surface are removed, then is dried up after carrying out repeatedly washing with clear water；
2. electrophoresis：Electrophoretic paint is allocated, electrophoretic paint is uniformly mixed, wheel hub is loaded on electrophoresis hanging tool, spoke is immersed in electricity
Under paint solution of swimming face, and bolt hole and centre bore are maintained at outside electrophoretic paint；
3. it cleans：Ultrafiltration washing is carried out to wheel hub of the electrophoresis after good, washes out the electrophoretic paint of hub surface adherency；
4. primer spray：Using small-bore spray gun spray-applied primer at twice, interval time is 10-20min twice, and control is sprayed for the first time
Painting pressure is 0.20-0.30MPa, controls second of spray pressure as 0.25-0.35MPa, spray distance 5-10cm, angle root
It is made choice according to the shape of product, after having sprayed, stands 15-18min；
5. first drying：Wheel hub uses 70 DEG C of infra-red drying 11-15min；
6. it paints：Using electrostatic powder coating, powdery paints is equably sprayed on the surface of wheel hub；
7. secondary drying：The wheel hub sprayed is subjected to curing drying, drying temperature is 200-220 DEG C, then will cure and dries
The natural cooling at normal temperatures of wheel hub afterwards；
8. polishing treatment：Using hardness high speed polishing is carried out than painting low hairbrush.
2. the coating process of wheel hub as described in claim 1, which is characterized in that the cleaning agent is specifically included such as the following group
Into：12-15 parts of sodium metasilicate, 4-6 parts of isopropanol, 13-15 parts of ethoxylated dodecyl alcohol, 5-8 parts of ethyl alcohol, surfactant 8-
12 parts, 15-20 parts of sodium pyrophosphate, 5-10 parts of secondary alkyl sulfonate, first nitre file 1-5 parts, 3-5 parts of neopelex, ten
7-12 parts of sodium dialkyl sulfate, 13-15 parts of cocoanut fatty acid diethanolamide, 0.1-2 parts of sodium hydroxide, sodium tripolyphosphate 1-
3 parts, 60-80 parts of deionized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711183622.2A CN108043694A (en) | 2017-11-23 | 2017-11-23 | A kind of coating process of wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711183622.2A CN108043694A (en) | 2017-11-23 | 2017-11-23 | A kind of coating process of wheel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108043694A true CN108043694A (en) | 2018-05-18 |
Family
ID=62119236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711183622.2A Pending CN108043694A (en) | 2017-11-23 | 2017-11-23 | A kind of coating process of wheel hub |
Country Status (1)
| Country | Link |
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| CN (1) | CN108043694A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183130A (en) * | 2018-11-08 | 2019-01-11 | 浙江祥盛汽车科技有限公司 | A kind of automobile parts coating process |
| CN112275597A (en) * | 2020-09-04 | 2021-01-29 | 江苏信轮美合金发展有限公司 | Bicycle rim anticorrosion technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183130A (en) * | 2018-11-08 | 2019-01-11 | 浙江祥盛汽车科技有限公司 | A kind of automobile parts coating process |
| CN112275597A (en) * | 2020-09-04 | 2021-01-29 | 江苏信轮美合金发展有限公司 | Bicycle rim anticorrosion technology |
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Application publication date: 20180518 |