CN109513592A - A kind of automobile dumb light part spraying method - Google Patents
A kind of automobile dumb light part spraying method Download PDFInfo
- Publication number
- CN109513592A CN109513592A CN201811448412.6A CN201811448412A CN109513592A CN 109513592 A CN109513592 A CN 109513592A CN 201811448412 A CN201811448412 A CN 201811448412A CN 109513592 A CN109513592 A CN 109513592A
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- Prior art keywords
- workpiece
- paint
- varnish
- spraying
- dumb light
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- 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.)
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Classifications
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- 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
- B05D5/065—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 having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
- B05D5/066—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 having colour interferences or colour shifts or opalescent looking, flip-flop, two tones achieved by multilayers
-
- 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
- B05D3/02—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 by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
- B05D3/0236—Pretreatment, e.g. heating the substrate with ovens
-
- 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
- B05D3/02—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 by baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
-
- 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
- B05D3/04—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 by exposure to gases
- B05D3/0406—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 by exposure to gases the gas being air
- B05D3/0426—Cooling with air
-
- 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
- B05D3/08—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 by flames
-
- 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
- B05D3/12—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 by mechanical means
-
- 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
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/576—Three layers or more the last layer being a clear coat each layer being cured, at least partially, separately
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
A kind of automobile dumb light part spraying method, the following steps are included: pre-treatment, strong cold treatment: the workpiece after drying is placed in strong cold house, workpiece is cooled to 23 ± 2 degrees Celsius, flame treatment: flame treatment is carried out to the workpiece after cooling, basecoat paint, colored paint spraying: the workpiece after basecoat paint is formed a film carries out the spraying of colored paint in spray room using static gun and air cannon, the colored paint is black using the dumb light of Three coating and dumb light is silver-colored, varnish spraying: the workpiece after colored paint spraying film forming is carried out to the spraying of varnish in spray room using static gun, the varnish uses matte varnish and bloom varnish to match as 100:20, high temperature baking vanish, strong cold treatment.It uses matte varnish and bloom varnish to match as 100:20, reduces paint usage amount, adjustment glossiness dumb light silver: 25-35%, dumb light are black: 16-20%, and curing ratio is made to reach 3:1, adjust workpiece surface hardness.
Description
Technical field
The present invention relates to automotive lacquer field, especially a kind of automobile dumb light part spraying method.
Background technique
Automotive lacquer is to show coast of paint on car surface to achieve the effect that protect automobile.Automotive lacquer includes: common paint；
Metallic paint；Opalescent lacquers；Varnish；Dumb light paint.Varnish is free from the transparent of pigment or has light flaxen coating, good luster, at
Film is fast, and purposes is wide.Main component is resin and solvent or resin, oil and solvent.After being applied to body surface, formed have protection,
The film of decoration and property forms smooth film after dry, shows the original decorative pattern of object plane.
Traditional dumb light paint spraying is mainly dumb light silver, dumb light black paint two-component, is sprayed using 1K equipment, only
An independent gear pump is unable to satisfy spraying conditions, therefore spraying needs colored paint mixed curing agent, and only spray-applied primer+colored paint,
Just enter baking, if wanting the spraying requirement for reaching high standard, 4 gear pumps and mixer need to be added, be 2K system by equipment change
High quality, the high efficiency for uniting to realize dumb light workpiece spray.Equipment cost is increased, cost is increased.
Existing bloom varnish glossiness is higher (glossiness is 90% or so), and the requirement of dumb light color glossiness is lower, and compares
Strictly, it is desirable that 60 ° of single angle, glossiness are-dumb light silver: 25-35%, dumb light are black: 16-20%, existing varnish in film thickness and
Glossiness is not able to satisfy the requirement of dumb light.
Summary of the invention
It is an object of the invention to solve the above the deficiencies in the prior art, a kind of automobile dumb light part spraying method is provided.
In order to achieve the above object, the following technical schemes are provided:
A kind of automobile dumb light part spraying method, comprising the following steps:
100: pre-treatment: degreasing being carried out to the workpiece to paint in advance, washes and blow water, cleaning workpiece surface and oil contaminant improves work
Part surface adhesion force；
200: water cuts drying: the workpiece after pre-treatment being put into water cuts in oven and dry, evaporate moisture, guarantee work
Part surface is anhydrous；
300: strong cold treatment: the workpiece after drying is placed in strong cold house, and workpiece is cooled to 23 ± 2 degrees Celsius, is prevented
Workpiece temperature is excessively high, and basecoat paint solvent evaporation rate is caused to be accelerated；
400: flame treatment: carrying out flame treatment to the workpiece after cooling, improve workpiece surface tension, improves paint attachment
Power stands 3min after flame treatment；
500: basecoat paint: the workpiece after flame treatment is stood is placed on the spray for carrying out priming paint in spray room using air cannon
Apply, the temperature of spray room is at 23 ± 2 DEG C, and humidity is 65 ± 5%, and the viscosity of priming paint is in viscosity 13 " 5,23 ± 2 DEG C of paint temperature, and
Stagnating 9min in levelling area makes solvent volatilize, surface filming；
600: colored paint spraying: the workpiece after basecoat paint is formed a film carries out colored paint using static gun and air cannon in spray room
Spraying, the colored paint using Three coating dumb light is black and dumb light silver, viscosity is respectively 13 " and 14 ", 23 ± 2 DEG C of paint temperature,
And stagnating 9min in levelling area makes solvent volatilize, surface filming；
700: the workpiece after colored paint spraying film forming: being carried out the spraying of varnish by varnish spraying in spray room using static gun,
And levelling area stagnate 12min so that solvent is volatilized, surface filming, the varnish use matte varnish and bloom varnish proportion for
100:20, viscosity are 13 " 5,23 ± 2 DEG C of temperature, curing ratio 3:1；
800: high temperature baking vanish: by the workpiece after varnish spraying film forming, being put into progress high temperature in varnish oven and be dried into dry film
State；
900: strong cold treatment: the workpiece after drying is placed in strong cold house, and workpiece is cooled to 23 ± 2 DEG C, prevents workpiece
Temperature is excessively high, and when polishing causes film-forming state workpiece to generate film deformation defect occur.
Preferably, the basecoat paint uses two air cannons, and two air cannons use 1K system i.e. 1 gear pump control
Quantity for spray processed.
Preferably, the colored paint spraying is adopted using two static guns and two air cannons, the static gun and air cannon
Quantity for spray is controlled with 1K system i.e. 1 gear pump.
Preferably, the varnish spraying uses four static guns, and four static guns use 2K system i.e. 2 gear pump
Control quantity for spray.
The invention has the benefit that
1, it uses matte varnish and bloom varnish to match as 100:20, reduces paint usage amount, adjustment glossiness dumb light silver:
25-35%, dumb light are black: 16-20%, and curing ratio is made to reach 3:1, adjust workpiece surface hardness；
2, it can make the system only with a 1K system i.e. gear pump that can realize colored paint using the colored paint of Three coating
Spraying, save the cost, shorten processing step, improve production efficiency.
Detailed description of the invention
Fig. 1 is automobile dumb light part spraying method flow chart.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Middle attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is real
The component for applying example can be arranged and be designed with a variety of different configurations.Therefore, of the invention to what is provided in the accompanying drawings below
The detailed description of embodiment is not intended to limit the range of claimed invention, but is merely representative of selected reality of the invention
Apply example.Based on the embodiment of the present invention, those skilled in the art institute obtained without making creative work
There are other embodiments, shall fall within the protection scope of the present invention.
A kind of automobile dumb light part spraying method, includes the following steps as shown in Figure 1:
100: pre-treatment: degreasing being carried out to the workpiece to paint in advance, washes and blow water, cleaning workpiece surface and oil contaminant improves work
Part surface adhesion force；Wherein 60 ± 5 DEG C, time 120S of the water temperature of degreasing, ring sparger spacing 300mm, spray rate 16L/
Min, flow 210m3/h；Washing includes 3 washings.
200: water cuts drying: the workpiece after pre-treatment being put into water cuts in oven and dry, evaporate moisture, guarantee work
Part surface is anhydrous；Wherein, baking temperature is 90 ± 5 DEG C, baking time 30min, is heated using preceding 10min, and rear 20min is protected
Temperature.
300: strong cold treatment: the workpiece after drying is placed in strong cold house, and workpiece is cooled to 23 ± 2 degrees Celsius, is prevented
Workpiece temperature is excessively high, and basecoat paint solvent evaporation rate is caused to be accelerated；
400: flame treatment: carrying out flame treatment to the workpiece after cooling, improve workpiece surface tension, improves paint attachment
Power stands 3min after flame treatment；
500: basecoat paint: the workpiece after flame treatment is stood is placed on the spray for carrying out priming paint in spray room using air cannon
Apply, the temperature of spray room is at 23 ± 2 DEG C, and humidity is 65 ± 5%, and the viscosity of priming paint is in viscosity 13 " 5,23 ± 2 DEG C of paint temperature, and
Stagnating 9min in levelling area makes solvent volatilize, surface filming；
600: colored paint spraying: the workpiece after basecoat paint is formed a film carries out colored paint using static gun and air cannon in spray room
Spraying, the colored paint using Three coating dumb light is black and dumb light silver, viscosity is respectively 13 " and 14 ", 23 ± 2 DEG C of paint temperature,
And stagnating 9min in levelling area makes solvent volatilize, surface filming；
700: the workpiece after colored paint spraying film forming: being carried out the spraying of varnish by varnish spraying in spray room using static gun,
And levelling area stagnate 12min so that solvent is volatilized, surface filming, the varnish use matte varnish and bloom varnish proportion for
100:20, viscosity are 13 " 5,23 ± 2 DEG C of temperature, curing ratio 3:1；
800: high temperature baking vanish: by the workpiece after varnish spraying film forming, being put into progress high temperature in varnish oven and be dried into dry film
State；Wherein, baking temperature is 90 ± 5 DEG C, baking time 50min, using 10min is first heated, keeps the temperature 40min afterwards.
900: strong cold treatment: the workpiece after drying is placed in strong cold house, and workpiece is cooled to 23 ± 2 DEG C, prevents workpiece
Temperature is excessively high, and when polishing causes film-forming state workpiece to generate film deformation defect occur.
The wherein black vapour produced with dumb light silver for Mei Kaiweiqi (Shanghai) new material Science and Technology Ltd. of the dumb light of Three coating
Vehicle coating.
Wherein, basecoat paint uses two air cannons, and two air cannons are using the control spraying of 1K system i.e. 1 gear pump
Amount.Colored paint spraying uses two static guns and two air cannons, and the static gun and air cannon are all made of 1K system i.e. 1 gear
Pump control quantity for spray.Varnish spraying uses four static guns, and four static guns are using the control spray of 2K system i.e. 2 gear pump
Tu Liang.
1 matte varnish of table and bloom varnish match contrast table
From table 1 it follows that either black match in matte varnish and bloom varnish of dumb light silver or dumb light is 100:
The film thickness of varnish is most thin when 20, and glossiness is minimum, closest to needed for dumb light.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. a kind of automobile dumb light part spraying method, comprising the following steps:
100: pre-treatment: degreasing being carried out to the workpiece to paint in advance, washes and blow water, cleaning workpiece surface and oil contaminant improves workpiece table
Face adhesive force；
200: water cuts drying: the workpiece after pre-treatment being put into water cuts in oven and dry, evaporate moisture, guarantee workpiece table
Face is anhydrous；
300: strong cold treatment: the workpiece after drying is placed in strong cold house, and workpiece is cooled to 23 ± 2 degrees Celsius, prevents workpiece
Temperature is excessively high, and basecoat paint solvent evaporation rate is caused to be accelerated；
400: flame treatment: carrying out flame treatment to the workpiece after cooling, improve workpiece surface tension, improve paint adhesion,
3min is stood after flame treatment；
500: basecoat paint: the workpiece after flame treatment is stood is placed on the spraying for carrying out priming paint in spray room using air cannon,
The temperature of spray room is at 23 ± 2 DEG C, and humidity is 65 ± 5%, and the viscosity of priming paint is in viscosity 13 " 5,23 ± 2 DEG C of paint temperature, and flowing
Flat area, which stagnates 9min, makes solvent volatilize, surface filming；
600: colored paint spraying: the workpiece after basecoat paint is formed a film carries out the spray of colored paint in spray room using static gun and air cannon
Apply, the colored paint using Three coating dumb light is black and dumb light silver, viscosity is respectively 13 " and 14 ", 23 ± 2 DEG C of paint temperature, and
Levelling area, which stagnates 9min, makes solvent volatilize, surface filming；
700: varnish spraying: by the workpiece after colored paint spraying film forming using the spraying of static gun progress varnish in spray room, and
Levelling area, which stagnates 12min, makes solvent volatilize, surface filming, and the varnish uses matte varnish and bloom varnish to match as 100:
20, viscosity is 13 " 5,23 ± 2 DEG C of temperature, curing ratio 3:1；
800: high temperature baking vanish: by the workpiece after varnish spraying film forming, being put into progress high temperature in varnish oven and be dried into dry film state；
900: strong cold treatment: the workpiece after drying is placed in strong cold house, and workpiece is cooled to 23 ± 2 DEG C, prevents workpiece temperature
Excessively high, when polishing, causes film-forming state workpiece to generate film deformation defect occur.
2. a kind of automobile dumb light part spraying method according to claim 1, which is characterized in that the basecoat paint uses two
Platform air cannon, and two air cannons control quantity for spray using 1K system i.e. 1 gear pump.
3. a kind of automobile dumb light part spraying method according to claim 1, which is characterized in that the colored paint spraying uses two
Platform static gun and two air cannons, the static gun and air cannon are all made of 1K system i.e. 1 gear pump control quantity for spray.
4. a kind of automobile dumb light part spraying method according to claim 1, which is characterized in that the varnish spraying uses four
Platform static gun, four static guns control quantity for spray using 2K system i.e. 2 gear pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448412.6A CN109513592A (en) | 2018-11-30 | 2018-11-30 | A kind of automobile dumb light part spraying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448412.6A CN109513592A (en) | 2018-11-30 | 2018-11-30 | A kind of automobile dumb light part spraying method |
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| Publication Number | Publication Date |
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| CN109513592A true CN109513592A (en) | 2019-03-26 |
Family
ID=65794027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811448412.6A Pending CN109513592A (en) | 2018-11-30 | 2018-11-30 | A kind of automobile dumb light part spraying method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238026A (en) * | 2020-09-18 | 2021-01-19 | 江苏长虹智能装备股份有限公司 | Novel exterior trimming part spraying production line |
| CN112439660A (en) * | 2019-08-30 | 2021-03-05 | 烟台霍富汽车锁有限公司 | Spraying method for surface of automobile door lock |
| CN112871611A (en) * | 2021-01-25 | 2021-06-01 | 中车青岛四方机车车辆股份有限公司 | Matte coating process of water-based varnish for resin-based carbon fiber composite material and application of water-based varnish |
| CN113333253A (en) * | 2021-02-26 | 2021-09-03 | 机械工业第九设计研究院有限公司 | Double-color car roof flame polishing process |
| CN114904740A (en) * | 2022-05-25 | 2022-08-16 | 上海瑞尔实业有限公司 | Paint spraying process for vehicle door switch panel |
| CN116329055A (en) * | 2023-04-03 | 2023-06-27 | 广汽埃安新能源汽车股份有限公司 | Matte paint component and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439660A (en) * | 2019-08-30 | 2021-03-05 | 烟台霍富汽车锁有限公司 | Spraying method for surface of automobile door lock |
| CN112238026A (en) * | 2020-09-18 | 2021-01-19 | 江苏长虹智能装备股份有限公司 | Novel exterior trimming part spraying production line |
| CN112871611A (en) * | 2021-01-25 | 2021-06-01 | 中车青岛四方机车车辆股份有限公司 | Matte coating process of water-based varnish for resin-based carbon fiber composite material and application of water-based varnish |
| CN113333253A (en) * | 2021-02-26 | 2021-09-03 | 机械工业第九设计研究院有限公司 | Double-color car roof flame polishing process |
| CN114904740A (en) * | 2022-05-25 | 2022-08-16 | 上海瑞尔实业有限公司 | Paint spraying process for vehicle door switch panel |
| CN116329055A (en) * | 2023-04-03 | 2023-06-27 | 广汽埃安新能源汽车股份有限公司 | Matte paint component and preparation method thereof |
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Application publication date: 20190326 |
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