CN108787377A - A kind of coating process of automobile component - Google Patents
A kind of coating process of automobile component Download PDFInfo
- Publication number
- CN108787377A CN108787377A CN201810692643.5A CN201810692643A CN108787377A CN 108787377 A CN108787377 A CN 108787377A CN 201810692643 A CN201810692643 A CN 201810692643A CN 108787377 A CN108787377 A CN 108787377A
- Authority
- CN
- China
- Prior art keywords
- automobile component
- coating
- coating process
- solvent
- paint composition
- 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.)
- Withdrawn
Links
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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- 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
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
-
- 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
- B05D7/24—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 for applying particular liquids or other fluent materials
-
- 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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/06—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of coating process of automobile component, include the following steps：It is handled before carrying out priming paint on automobile component substrate layer；The automobile component is acidified and is dried；Electrostatic powder coating is carried out to the automobile component, the coating is colored paint composition；It is coated with clear dope layer on the coating upper layer；It is zinc-plated to the automobile component surface；Cured and is polished；Wherein, the temperature in the curing process is 190~210 DEG C, and hardening time is 0.5~1h.The present invention changes the method in the prior art about automobile component application, simplifies production stage, has saved cost and time.By zinc-plated processing, the adhesive force of coating and aluminium alloy is enhanced.Additionally, due to the characteristic that colored paint composition is had by oneself, then so that automobile component is dust-proof, anti-corrosion；This coating process has also saved cost to a certain extent for the rational deployment of solvent simultaneously.
Description
Technical field
The present invention relates to a kind of coating process, in particular it relates to a kind of coating process of automobile component.
Background technology
Application is last procedure of automobile component production, and the purpose is to improve the corrosion resistance of automobile component and U.S.
Sense.Aluminium alloy wheel hub is after the completion of by critical processes such as machinings, it is contemplated that aluminium alloy wheel hub condition ratio in actual use
It is poor, it the influence factors such as aoxidizes in air in order to reduce aluminium alloy and achievees the purpose that beauty, so to the painting after application
Layer performance has higher requirement.
Currently, in the application to automobile component, coating process is often complex, complex steps, expends larger
Manpower and materials.In addition when passivation effect is bad in preceding processing, it may result in and need to provide a large amount of powder supply amount in spraying
It just can guarantee that spraying is completely and uniform, cause to waste.In view of the above-mentioned problems, it is urgent to provide a kind of automotive departments by those skilled in the art
The coating process of part.
Invention content
The technical problem to be solved by the present invention is to：The automobile component that a kind of production stage is simple, painting effect is good is provided
Coating process.
The technical solution adopted by the present invention to solve the technical problems is：A kind of coating process of automobile component is provided, is wrapped
Include following steps：
Step S01：It is handled before carrying out priming paint on automobile component substrate layer；
Step S02：The automobile component is acidified and is dried；
Step S03：Electrostatic powder coating is carried out to the automobile component, the coating is colored paint composition；Wherein,
The colored paint composition includes：Import the non-halogen polyolefin of polar group, methacrylic acid acrylic copolymer resin, coloured
Pigment and solvent；
Step S04：It is coated with clear dope layer on the coating upper layer；
Step S05：It is zinc-plated to the automobile component surface；
Step S06：Cured and is polished；Wherein, the temperature in the curing process is 190~210 DEG C, hardening time
For 0.5~1h.
Preferably, the spray pressure of the electrostatic powder coating is 0.2~0.5MPa, and electrostatic potential is 20~50KV, spray
The painting time is 5~9s.
Preferably, the polishing process cheats defect according to polish acne, powder of circular arc polishing mode, empty using compression after polishing
Air-blowing or non-dust cloth are wiped.
Preferably, the colored paint composition includes：The non-halogen of the importing polar group of 20~45 weight %
Polyolefin, the methacrylic acid acrylic copolymer resin of 15~25 weight %, the colored pigment of 5~15 weight % and surplus it is molten
Agent.
Preferably, the solvent includes the mixture of organic solvent, aqueous solvent or organic solvent and aqueous solvent.
Preferably, the non-halogen polyolefin for importing polar group includes the polypropylene being grafted by maleic anhydride.
Preferably, further include being passivated to the automobile component surface after the step S05.
Preferably, the drying is executed 5-60 minutes in 70-90 DEG C.
The coating process for the automobile component that the present invention obtains changes the side in the prior art about automobile component application
Method simplifies production stage, has saved cost and time.By zinc-plated processing, the adhesive force of coating and aluminium alloy is enhanced.Separately
Outside due to the characteristic that colored paint composition is had by oneself, then so that automobile component is dust-proof, anti-corrosion；Simultaneously this coating process for
The rational deployment of solvent has also saved cost to a certain extent.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, to the technology in the embodiment of the present invention
Scheme is clearly and completely described, it is clear that and described embodiments are some of the embodiments of the present invention, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The present invention provides and provides a kind of coating process of automobile component, includes the following steps：
Step S01：It is handled before carrying out priming paint on automobile component substrate layer；
Step S02：The automobile component is acidified and is dried；
Step S03：Electrostatic powder coating is carried out to the automobile component, the coating is colored paint composition；Wherein,
The colored paint composition includes：Import the non-halogen polyolefin of polar group, methacrylic acid acrylic copolymer resin, coloured
Pigment and solvent；
Step S04：It is coated with clear dope layer on the coating upper layer；
Step S05：It is zinc-plated to the automobile component surface；
Step S06：Cured and is polished；Wherein, the temperature in the curing process is 190~210 DEG C, hardening time
For 0.5~1h.
Specifically, in the present embodiment, the spray pressure of the electrostatic powder coating is 0.2~0.5MPa, and electrostatic potential is
20~50KV, spray time are 5~9s.The polishing process according to circular arc polishing mode polish acne, powder cheat defect, after polishing
It is blown using compressed air or non-dust cloth is wiped.
Wherein, the colored paint composition includes：The non-halogen of the importing polar group of 20~45 weight % is poly-
Alkene, the methacrylic acid acrylic copolymer resin of 15~25 weight %, the colored pigment of 5~15 weight % and surplus it is molten
Agent.Preferably, the solvent includes the mixture of organic solvent, aqueous solvent or organic solvent and aqueous solvent.Preferably, institute
It includes the polypropylene being grafted by maleic anhydride to state and import the non-halogen polyolefin of polar group.
Further include being passivated to the automobile component surface in addition, after the step S05；The drying is in 70-90
It is executed 5-60 minutes in DEG C.
In conclusion the coating process for the automobile component that the present invention obtains, changes in the prior art about automotive department
The method of part application, simplifies production stage, has saved cost and time.By zinc-plated processing, coating and aluminium alloy are enhanced
Adhesive force.Additionally, due to the characteristic that colored paint composition is had by oneself, then so that automobile component is dust-proof, anti-corrosion；While this
Coating process has also saved cost to a certain extent for the rational deployment of solvent.
Although the present invention essentially describes above example, example is intended only as to be described, and the present invention is simultaneously
It is without being limited thereto.Those of ordinary skill in the art can make the essential characteristics of a variety of modifications and application without departing from embodiment.For example,
Each component that embodiment is shown in detail can be changed and be run, be believed that with the modification and using relevant difference and be included in
In protection scope of the present invention as defined in the appended claims.
Involved embodiment, is meant that specially feature, structure or the spy described in conjunction with the embodiment in this specification
Property include at least one embodiment of the present invention.These terms for coming across everywhere in specification are not necessarily directed to same
Embodiment.In addition, when describing a particular feature, structure, or characteristic in conjunction with any embodiment, it is common all to think that it falls into this field
Technical staff combines in the range of these a particular feature, structure, or characteristics that other embodiment can be realized.
Claims (8)
1. a kind of coating process of automobile component, which is characterized in that include the following steps：
Step S01：It is handled before carrying out priming paint on automobile component substrate layer；
Step S02：The automobile component is acidified and is dried；
Step S03：Electrostatic powder coating is carried out to the automobile component, the coating is colored paint composition；Wherein, described
Colored paint composition includes：Import non-halogen polyolefin, methacrylic acid acrylic copolymer resin, the colored pigment of polar group
And solvent；
Step S04：It is coated with clear dope layer on the coating upper layer；
Step S05：It is zinc-plated to the automobile component surface；
Step S06：Cured and is polished；Wherein, the temperature in the curing process is 190~210 DEG C, and hardening time is
0.5~1h.
2. the coating process of automobile component according to claim 1, which is characterized in that the spraying of the electrostatic powder coating
Pressure is 0.2~0.5MPa, and electrostatic potential is 20~50KV, and spray time is 5~9s.
3. the coating process of automobile component according to claim 1, which is characterized in that the polishing process is thrown according to circular arc
Light mode polish acne, powder hole defect, blown using compressed air after polishing or non-dust cloth wiped.
4. the coating process of automobile component as described in claim 1, which is characterized in that the colored paint composition includes：
The non-halogen polyolefin of the importing polar group of 20~45 weight %, the methacrylic acid based copolymer of 15~25 weight %
The solvent of resin, the colored pigment of 5~15 weight % and surplus.
5. the coating process of automobile component as described in claim 1, which is characterized in that the solvent includes organic solvent, water
The mixture of property solvent or organic solvent and aqueous solvent.
6. the coating process of automobile component as described in claim 1, which is characterized in that the non-halogen for importing polar group
Polyolefin includes the polypropylene being grafted by maleic anhydride.
7. the coating process of automobile component as described in claim 1, which is characterized in that further include to institute after the step S05
Automobile component surface is stated to be passivated.
8. the coating process of automobile component as described in claim 1, which is characterized in that the drying is held in 70-90 DEG C
Row 5-60 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692643.5A CN108787377A (en) | 2018-06-19 | 2018-06-19 | A kind of coating process of automobile component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692643.5A CN108787377A (en) | 2018-06-19 | 2018-06-19 | A kind of coating process of automobile component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108787377A true CN108787377A (en) | 2018-11-13 |
Family
ID=64072529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810692643.5A Withdrawn CN108787377A (en) | 2018-06-19 | 2018-06-19 | A kind of coating process of automobile component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108787377A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109576762A (en) * | 2018-12-04 | 2019-04-05 | 合肥东铭机械制造有限公司 | A kind of process of surface treatment of automobile support |
-
2018
- 2018-06-19 CN CN201810692643.5A patent/CN108787377A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109576762A (en) * | 2018-12-04 | 2019-04-05 | 合肥东铭机械制造有限公司 | A kind of process of surface treatment of automobile support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11660636B2 (en) | Aluminum alloy coating, aluminum alloy wheel hub and spraying method of aluminum alloy wheel hub | |
| US9273214B1 (en) | Removable spray coating and application method | |
| CN109550670A (en) | A kind of one baking coating process of the painting of cold aqueous three | |
| CN103752477A (en) | Automobile hub spraying technology | |
| CN111804549A (en) | Hub coating process | |
| CN108787377A (en) | A kind of coating process of automobile component | |
| CN108704823A (en) | A kind of coating process of automobile component | |
| CN107953693B (en) | Environment-friendly water transfer printing process and corresponding component surface structure | |
| CN101491799A (en) | Paint-coating technique | |
| CN102276164B (en) | Process for performing vacuum plating on glass | |
| US20180016447A1 (en) | Elastomeric Coating Composition | |
| US10053586B2 (en) | Method of applying an elastomeric coating composition | |
| CN109266152B (en) | Coating composition for repairing and using method thereof | |
| CN103341435A (en) | Coating method for plastic parts | |
| CN106853437A (en) | A kind of engine cylinder-body coating process | |
| CN107159543A (en) | A kind of body of a motor car spraying coating process | |
| CN112844992A (en) | Surface spraying process for automobile parts | |
| CN104923464A (en) | Spraying method of matte black wheel hub | |
| CN106670069A (en) | Varnish technique | |
| CN108043678A (en) | The coating process of automobile handle | |
| KR100864821B1 (en) | A painted colorband and the producing method for car | |
| CN107899925A (en) | The coating process of arrangements for automotive doors | |
| CN107824415A (en) | The coating process of roof of the vehicle | |
| JP2021053603A (en) | Repair method for exterior decorative member and transfer paper for repair | |
| KR20140008765A (en) | Method for painting parts of vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |