CN108745829A - A kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster - Google Patents
A kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster Download PDFInfo
- Publication number
- CN108745829A CN108745829A CN201810572013.4A CN201810572013A CN108745829A CN 108745829 A CN108745829 A CN 108745829A CN 201810572013 A CN201810572013 A CN 201810572013A CN 108745829 A CN108745829 A CN 108745829A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- high temperature
- paint
- paster
- alloy wheel
- 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
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
- 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
- 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
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
-
- 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
- B05D2502/00—Acrylic polymers
- B05D2502/005—Acrylic polymers modified
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention provides a kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster, includes the following steps：After aluminium alloy wheel hub is pre-processed, bottom powder nano paint, baking-curing are sprayed, then sprays acrylic acid background color paint, baking-curing obtains the wheel hub painted containing background color；It is whole to cover three layers of monoblock type high temperature paster by the surface of the wheel hub painted containing background color after polishing processing, middle level paint is then sprayed, baking obtains the wheel hub of the colored paint containing middle coating intermediate；The part paster that surface is removed with cutting die punching, after cleaning, obtains double-colored aluminium alloy wheel hub；Double-colored aluminium alloy wheel hub is integrally covered into three layers of monoblock type high temperature paster again, the second middle level is sprayed on the surface of high temperature paster and paints, baking obtains the wheel hub containing two layers of middle coating intermediate colored paint；It is punched tamper S portion paster with cutting die, after cleaning, is repeated, static powder gun is finally used to spray transparent powder, baking obtains the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster.
Description
Technical field
The invention belongs to wheel hub chromatography technical fields, and in particular to a kind of multi-colour Al-alloy based on monoblock type high temperature paster
The chromatography technique of wheel hub.
Background technology
With the rapid development of modern economy, automobile oneself through being universal modern transportation tool, and with auto industry
Technology and spraying technology are constantly progressive, and painting dressing automobiles not only play the role of antirust corrosion-proof, chromaticity,
The quality of paint film appearance, clarity, gloss etc. is all visual evaluation of the people to car mass, directly determines the class of automobile,
Influence the competitiveness of automobile market.Wheel hub as decorative element and safety component, the appearance and modeling of wheel hub, high brightness, chromatography,
Dumb light is black, red side etc. has been to be concerned by more and more people.
Automobile coating refers to being painted on the parts such as body of a motor car, wheel hub to coat, the requirement of automobile coating is high, it is wide in variety, use
Amount is big, and needs mating unique performance, therefore automobile coating has become a kind of profession paint, has highly important meaning
Justice.Automobile coating is developed so far, from initial oil paint, to nitro spray painting paint, the synthetic resin coating based on alkyd and phenolic aldehyde,
Epoxy/alkyd amino/acrylic acid/polyester/polyurethane synthetic resin coating, electrophoretic coating and environment-friendly type coating, and automobile coating one
As belong to multilayer coating system, such as phosphate coat, priming coat, floating coat, original color finish paint, finishing coat flash metal luster priming coat and Lacquer finish
Coating.Wheel hub chromatography technique disclosed in Chinese patent CN 102766897B includes successively：It is taken off after wheel hub blank is roughly ground
Fat, washing, table tune, chromaking, washing, drying pre-treatment, then spray the powder that thickness is 100-200 microns, at 180-200 DEG C
Solidification, polishes, then carries out degreasing, table tune, washing, the secondary pre-treatment of drying, the colored paint that spray thickness is 40-60 μm, in 175-195
After being dried at DEG C, the colored varnish that spray thickness is 15-25 μm is dried at 175-195 DEG C, and tool sharpening is then placed in paint tank,
Chromatography, tool sharpening for the first time are carried out to wheel hub by ability cathode electrophoresis, selects the paint tank of different colours to carry out multiple chromatography, obtains
Seven color wheel hubs.This method is by the way that by tool sharpening and ability cathode electrophoresis cooperation, different colours are conducted batch-wise in the position processed to needs
Electrophoretic adsorbent, make occur multiple color and pattern on wheel hub.A kind of polychrome aluminium conjunction disclosed in Chinese patent CN 106622907A
The processing method and special tooling of golden wheel hub, are first passivated processing to aluminium alloy wheel hub, then use static powder gun to passivation
Surface of aluminum alloy hub afterwards uniformly sprays bottom powder coating, the baking-curing at 160-220 DEG C, with static powder gun to
The surface of aluminum alloy hub spraying background color paint of bottom powder coating, baking and levelling curing process at 130-180 DEG C complete wheel hub
Then the spraying of background color paint needs the wheel hub windows of paint colors using blocking tooling and block to expose, uses static powder gun
Spraying is different from the paint of background color paint, is toasted at 130-180 DEG C, after carrying out levelling curing process, finally to the aluminium of preparation
The spoke of alloy wheel hub and wheel rim position carry out finishing processing and aluminium alloy wheel hub Passivation Treatment, then spray another color
The colored varnish or transparent powder, baking obtain multi-colour Al-alloy wheel hub.The appearance consistency of polychrome wheel hub prepared by this method is high, spray
It is beautiful to apply uniform in effect.It, can be by blocking tooling, blunt by the above-mentioned prior art it is found that in order to assign aluminium alloy wheel hub pleochroism
The techniques such as change, tool sharpening.
Invention content
The technical problem to be solved in the present invention is to provide a kind of multi-colour Al-alloy wheel hubs based on monoblock type high temperature paster
The oxide nano rare earth that graphene is modified is modified acrylic resin powder by chromatography technique, improves aluminium alloy wheel hub
Adhesive force, flexibility, heat resistance, the wet-hot aging performance of priming paint are punched by monoblock type high temperature paster and cutting die again in addition, are assigned
The colorful property of wheel hub, ensures the aesthetics and consistency of trap region.
In order to solve the above technical problems, the technical scheme is that：
A kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster, it is characterised in that：Including following
Step：
(1) by aluminium alloy wheel hub after degreasing, pickling, passivation pretreatment, using static powder gun in aluminium alloy wheel hub
Bottom powder nano paint is sprayed on surface, and baking-curing reuses static powder gun spraying acrylic acid background color paint, and baking-curing obtains
To the wheel hub painted containing background color；
(2) after polishing processing, wheel hub integrally covers three layers on the surface of the wheel hub for the paint containing background color for preparing step (1)
Monoblock type high temperature paster, then uses static powder gun to be painted in the surface of high temperature paster sprinkling middle level, and baking obtains containing middle level
The wheel hub of coating colored paint；
(3) the part paster of the hub surface of the colored paint containing middle coating intermediate of step (2) preparation, cleaning are removed with cutting die punching
Afterwards, double-colored aluminium alloy wheel hub is obtained；
(4) double-colored aluminium alloy wheel hub prepared by step (3) is integrally covered into three layers of monoblock type high temperature paster again, uses electrostatic
Podwer gun sprays the second middle level on the surface of high temperature paster and paints, and baking obtains the wheel hub containing two layers of middle coating intermediate colored paint；
(5) the part paster of the hub surface containing two layers of middle coating intermediate colored paint of step (4) preparation is removed with cutting die punching,
After cleaning, step (4) is repeated, static powder gun is finally used to spray transparent powder, baking is obtained based on monoblock type high temperature paster
Multi-colour Al-alloy wheel hub.
As a preferred embodiment of the above technical solution, in the step (1), bottom powder nano paint include acrylic resin powder,
The oxide nano rare earth that curing agent, levelling agent, filler and graphene are modified, the oxide nano rare earth that the graphene is modified
Grain size be 0.2-2 μm, the content for the oxide nano rare earth that the graphene is modified is 0.1-2%.
As a preferred embodiment of the above technical solution, the oxide nano rare earth is lanthana, yttrium oxide or scandium oxide.
As a preferred embodiment of the above technical solution, in the step (1), the condition of baking-curing is：First in 90 DEG C of temperature
After lower heat preservation 10min, 140-145 DEG C is then heated to, keeps the temperature 20-30min.
As a preferred embodiment of the above technical solution, in the step (1), the color of bottom powder nano paint is black, and bottom powder is received
Rice coating is different from acrylic acid background color painting color.
As a preferred embodiment of the above technical solution, in the step (2) or (4), middle level paint is waterborne polyurethane resin
Colored paint.
As a preferred embodiment of the above technical solution, in the step (2) or (4), the temperature of baking is 130-140 DEG C, when
Between be 30-40min.
As a preferred embodiment of the above technical solution, it in the step (3), cleans as ultrasonic cleaning, frequency 15-30kHz,
Time is 0.5-3min.
As a preferred embodiment of the above technical solution, in the step (4), the number repeated is 0-3 times.
As a preferred embodiment of the above technical solution, in the step (3) or (5), the temperature of baking is 150-170 DEG C, when
Between be 30-45min.
As a preferred embodiment of the above technical solution, in the step (5), the ratio of part paster is 1-99%.
Compared with prior art, the invention has the advantages that：
The present invention provides a kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster, by monoblock type height
Warm paster and cutting die die cutting techniques, using three layers of monoblock type high temperature paster as protection tool, trap region is easy to position, chromatography
Graphic edge is clear, ensures the presentation quality of trap region, ensures the row yielding of chromatography wheel.Three layers of monoblock type high temperature paster can
To avoid paster tear off in paste process on gloves dust and spot be sticked on the adhesive surface of paster, reduce paster take off
The generation of place's defect is taken, ensures the disposable qualification rate of application.Monoblock type paster protection vehicle wheel chromatography technique, can spray automatically,
Can hand spray, the traditional chromatography technique of customer service can only complete by covering shape tooling by hand, cumbersome, coating efficiency
It is low；Integral protection paster is high using cutting die die cutting accuracy, consistency is good, can be very good the consistency for ensureing trap region.And
Traditional chromatography process sleeve color regional graphics are relatively simple, and chromatography pattern precision is low, need often to clean and cover shape tooling surface paint；
It covers and is easy to have differences between shape tooling, influence the consistency of trap region, trap region is carried out after protection paster is taken off
Processing ensures that trap region coating performance meets test requirements document.
The present invention provides a kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster, and graphene is changed
Property oxide nano rare earth acrylic resin powder is modified, rare earth oxide has excellent optical property, can be with
The uv resistance energy for improving priming paint, can also improve the mechanical property and heat resistance of priming paint, in addition, graphene is with excellent
Optics, calorifics, electricity, magnetics and good chemical stability, graphene can form stable between acrylate copolymer
Chemical bond then improves the mechanics and thermal property of priming paint, therefore the oxide nano rare earth that graphene is modified is added to third
The presentation quality of aluminium alloy wheel hub priming paint can not only be improved in olefin(e) acid priming paint, but also the adhesive force of priming paint, flexibility, heat-resisting
Property, all excellent, the process quality of monoblock type high temperature paster and cutting die die cutting techniques after ensureing such as wet-hot aging performance, improve more
The colorful diversity and quality of color aluminium alloy wheel hub.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, not
Inappropriate limitation of the present invention is constituted, in the accompanying drawings：
Attached drawing 1 is the chromatography process schematic representation of comparative example.
Specific implementation mode
Below in conjunction with specific embodiment, the present invention will be described in detail, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
The component of bottom powder nano paint, by weight percentage for：Acrylic resin powder 40-50%, hydroxyalkyl amide
Nano lanthanum oxide, yttrium oxide or the scandium oxide that 20-30%, filler 18-25%, the graphene that grain size is 0.2-2 μm are modified
0.1-2%, surfactant 0.5-2%.
Embodiment 1：
(1) by aluminium alloy wheel hub after degreasing, pickling, passivation pretreatment, using static powder gun in aluminium alloy wheel hub
Blackout powder nano paint is sprayed on surface, after first keeping the temperature 10min at a temperature of 90 DEG C, then heats to 140 DEG C, heat preservation
20min reuses the acrylic acid background color paint of static powder gun spraying different colours, first keeps the temperature 10min at a temperature of 90 DEG C
Afterwards, 140 DEG C are then heated to, 20min is kept the temperature, obtains the wheel hub painted containing the background color that thickness is 35 μm.
(2) by the surface of the wheel hub painted containing background color after polishing processing, wheel hub integrally covers three layers of monoblock type high temperature patch
Then paper uses static powder gun to be painted in the surface of high temperature paster sprinkling waterborne polyurethane resin colored paint middle level, at 130 DEG C
30min is toasted, the wheel hub of the colored paint containing middle coating intermediate is obtained.
(3) paster that 1% ratio of the hub surface of the colored paint containing middle coating intermediate is removed with cutting die punching, in 15kHz frequencies
After lower ultrasonic cleaning 0.5min, double-colored aluminium alloy wheel hub is obtained.
(4) double-colored aluminium alloy wheel hub is integrally covered into three layers of monoblock type high temperature paster again, using static powder gun in high temperature
Surface the second middle level of sprinkling waterborne polyurethane resin colored paint paint of paster, toasts 30min at 130 DEG C, obtains containing in two layers
The wheel hub of coating colored paint.
(5) paster that 1% ratio of the hub surface containing two layers of middle coating intermediate colored paint is removed with cutting die punching, in 15kHz
Under frequency after ultrasonic cleaning 0.5min, finally static powder gun is used to spray transparent powder, toast 30min at 150 DEG C, obtain
Multi-colour Al-alloy wheel hub based on monoblock type high temperature paster.
Embodiment 2：
(1) by aluminium alloy wheel hub after degreasing, pickling, passivation pretreatment, using static powder gun in aluminium alloy wheel hub
Blackout powder nano paint is sprayed on surface, after first keeping the temperature 10min at a temperature of 90 DEG C, then heats to 145 DEG C, heat preservation
30min reuses the acrylic acid background color paint of static powder gun spraying different colours, first keeps the temperature 10min at a temperature of 90 DEG C
Afterwards, 145 DEG C are then heated to, 30min is kept the temperature, obtains the wheel hub painted containing the background color that thickness is 60 μm.
(2) by the surface of the wheel hub painted containing background color after polishing processing, wheel hub integrally covers three layers of monoblock type high temperature patch
Then paper uses static powder gun to be painted in the surface of high temperature paster sprinkling waterborne polyurethane resin colored paint middle level, at 140 DEG C
40min is toasted, the wheel hub of the colored paint containing middle coating intermediate is obtained.
(3) paster that 99% ratio of the hub surface of the colored paint containing middle coating intermediate is removed with cutting die punching, in 30kHz frequencies
After lower ultrasonic cleaning 3min, double-colored aluminium alloy wheel hub is obtained.
(4) double-colored aluminium alloy wheel hub is integrally covered into three layers of monoblock type high temperature paster again, using static powder gun in high temperature
Surface the second middle level of sprinkling waterborne polyurethane resin colored paint paint of paster, toasts 40min at 140 DEG C, obtains containing in two layers
The wheel hub of coating colored paint.
(5) paster that 99% ratio of the hub surface containing two layers of middle coating intermediate colored paint is removed with cutting die punching, in 30kHz
Under frequency after ultrasonic cleaning 3min, step is repeated (4) 3 times, finally static powder gun is used to spray transparent powder, at 170 DEG C
45min is toasted, the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster is obtained.
Embodiment 3：
(1) by aluminium alloy wheel hub after degreasing, pickling, passivation pretreatment, using static powder gun in aluminium alloy wheel hub
Blackout powder nano paint is sprayed on surface, after first keeping the temperature 10min at a temperature of 90 DEG C, then heats to 140 DEG C, heat preservation
30min reuses the acrylic acid background color paint of static powder gun spraying different colours, first keeps the temperature 10min at a temperature of 90 DEG C
Afterwards, 140 DEG C are then heated to, 30min is kept the temperature, obtains the wheel hub painted containing the background color that thickness is 40 μm.
(2) by the surface of the wheel hub painted containing background color after polishing processing, wheel hub integrally covers three layers of monoblock type high temperature patch
Then paper uses static powder gun to be painted in the surface of high temperature paster sprinkling waterborne polyurethane resin colored paint middle level, at 130 DEG C
40min is toasted, the wheel hub of the colored paint containing middle coating intermediate is obtained.
(3) paster that 20% ratio of the hub surface of the colored paint containing middle coating intermediate is removed with cutting die punching, in 15kHz frequencies
After lower ultrasonic cleaning 3min, double-colored aluminium alloy wheel hub is obtained.
(4) double-colored aluminium alloy wheel hub is integrally covered into three layers of monoblock type high temperature paster again, using static powder gun in high temperature
Surface the second middle level of sprinkling waterborne polyurethane resin colored paint paint of paster, toasts 40min at 130 DEG C, obtains containing in two layers
The wheel hub of coating colored paint.
(5) paster that 50% ratio of the hub surface containing two layers of middle coating intermediate colored paint is removed with cutting die punching, in 15kHz
Under frequency after ultrasonic cleaning 3min, step is repeated (4) 2 times, finally static powder gun is used to spray transparent powder, at 150 DEG C
45min is toasted, the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster is obtained.
Embodiment 4：
(1) by aluminium alloy wheel hub after degreasing, pickling, passivation pretreatment, using static powder gun in aluminium alloy wheel hub
Blackout powder nano paint is sprayed on surface, after first keeping the temperature 10min at a temperature of 90 DEG C, then heats to 145 DEG C, heat preservation
20min reuses the acrylic acid background color paint of static powder gun spraying different colours, first keeps the temperature 10min at a temperature of 90 DEG C
Afterwards, 145 DEG C are then heated to, 20min is kept the temperature, obtains the wheel hub painted containing the background color that thickness is 45 μm.
(2) by the surface of the wheel hub painted containing background color after polishing processing, wheel hub integrally covers three layers of monoblock type high temperature patch
Then paper uses static powder gun to be painted in the surface of high temperature paster sprinkling waterborne polyurethane resin colored paint middle level, at 140 DEG C
30min is toasted, the wheel hub of the colored paint containing middle coating intermediate is obtained.
(3) paster that 15% ratio of the hub surface of the colored paint containing middle coating intermediate is removed with cutting die punching, in 30kHz frequencies
After lower ultrasonic cleaning 0.5min, double-colored aluminium alloy wheel hub is obtained.
(4) double-colored aluminium alloy wheel hub is integrally covered into three layers of monoblock type high temperature paster again, using static powder gun in high temperature
Surface the second middle level of sprinkling waterborne polyurethane resin colored paint paint of paster, toasts 30min at 140 DEG C, obtains containing in two layers
The wheel hub of coating colored paint.
(5) paster that 60% ratio of the hub surface containing two layers of middle coating intermediate colored paint is removed with cutting die punching, in 30kHz
Under frequency after ultrasonic cleaning 0.5min, step is repeated (4) 1 times, finally static powder gun is used to spray transparent powder, at 170 DEG C
Lower baking 30min obtains the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster.
Embodiment 5：
(1) by aluminium alloy wheel hub after degreasing, pickling, passivation pretreatment, using static powder gun in aluminium alloy wheel hub
Blackout powder nano paint is sprayed on surface, after first keeping the temperature 10min at a temperature of 90 DEG C, then heats to 143 DEG C, heat preservation
25min reuses the acrylic acid background color paint of static powder gun spraying different colours, first keeps the temperature 10min at a temperature of 90 DEG C
Afterwards, 143 DEG C are then heated to, 25min is kept the temperature, obtains the wheel hub painted containing the background color that thickness is 45 μm.
(2) by the surface of the wheel hub painted containing background color after polishing processing, wheel hub integrally covers three layers of monoblock type high temperature patch
Then paper uses static powder gun to be painted in the surface of high temperature paster sprinkling waterborne polyurethane resin colored paint middle level, at 135 DEG C
35min is toasted, the wheel hub of the colored paint containing middle coating intermediate is obtained.
(3) paster that the 1-99% ratios of the hub surface of the colored paint containing middle coating intermediate are removed with cutting die punching, in 25kHz frequencies
Under rate after ultrasonic cleaning 2min, double-colored aluminium alloy wheel hub is obtained.
(4) double-colored aluminium alloy wheel hub is integrally covered into three layers of monoblock type high temperature paster again, using static powder gun in high temperature
Surface the second middle level of sprinkling waterborne polyurethane resin colored paint paint of paster, toasts 35min at 135 DEG C, obtains containing in two layers
The wheel hub of coating colored paint.
(5) paster that 35% ratio of the hub surface containing two layers of middle coating intermediate colored paint is removed with cutting die punching, in 20kHz
Under frequency after ultrasonic cleaning 1min, step is repeated (4) 3 times, finally static powder gun is used to spray transparent powder, at 160 DEG C
35min is toasted, the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster is obtained.
Embodiment 6：
(1) by aluminium alloy wheel hub after degreasing, pickling, passivation pretreatment, using static powder gun in aluminium alloy wheel hub
Blackout powder nano paint is sprayed on surface, after first keeping the temperature 10min at a temperature of 90 DEG C, then heats to 144 DEG C, heat preservation
23min reuses the acrylic acid background color paint of static powder gun spraying different colours, first keeps the temperature 10min at a temperature of 90 DEG C
Afterwards, 141 DEG C are then heated to, 26min is kept the temperature, obtains the wheel hub painted containing the background color that thickness is 55 μm.
(2) by the surface of the wheel hub painted containing background color after polishing processing, wheel hub integrally covers three layers of monoblock type high temperature patch
Then paper uses static powder gun to be painted in the surface of high temperature paster sprinkling waterborne polyurethane resin colored paint middle level, at 132 DEG C
37min is toasted, the wheel hub of the colored paint containing middle coating intermediate is obtained.
(3) paster that 10% ratio of the hub surface of the colored paint containing middle coating intermediate is removed with cutting die punching, in 25kHz frequencies
After lower ultrasonic cleaning 1.5min, double-colored aluminium alloy wheel hub is obtained.
(4) double-colored aluminium alloy wheel hub is integrally covered into three layers of monoblock type high temperature paster again, using static powder gun in high temperature
Surface the second middle level of sprinkling waterborne polyurethane resin colored paint paint of paster, toasts 39min at 134 DEG C, obtains containing in two layers
The wheel hub of coating colored paint.
(5) paster that 45% ratio of the hub surface containing two layers of middle coating intermediate colored paint is removed with cutting die punching, in 20kHz
Under frequency after ultrasonic cleaning 2.5min, step is repeated (4) 2 times, finally static powder gun is used to spray transparent powder, at 155 DEG C
Lower baking 40min obtains the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster.
Comparative example：
(1) by aluminium alloy wheel hub after degreasing, pickling, passivation pretreatment, using static powder gun in aluminium alloy wheel hub
Blackout powder nano paint is sprayed on surface, after first keeping the temperature 10min at a temperature of 90 DEG C, then heats to 140 DEG C, heat preservation
20min reuses the acrylic acid background color paint of static powder gun spraying different colours, first keeps the temperature 10min at a temperature of 90 DEG C
Afterwards, 140 DEG C are then heated to, 20min is kept the temperature, obtains the wheel hub painted containing the background color that thickness is 35 μm.
(2) by the surface of the wheel hub painted containing background color after polishing processing, wheel hub integrally covers three layers of monoblock type high temperature patch
Then paper uses static powder gun to be painted in the surface of high temperature paster sprinkling waterborne polyurethane resin colored paint middle level, at 130 DEG C
30min is toasted, the wheel hub of the colored paint containing middle coating intermediate is obtained.
(3) paster that 1% ratio of the hub surface of the colored paint containing middle coating intermediate is removed with cutting die punching, in 15kHz frequencies
After lower ultrasonic cleaning 0.5min, double-colored aluminium alloy wheel hub is obtained.
After testing, double-colored aluminium alloy wheel hub prepared by multi-colour Al-alloy wheel hub and the comparative example that prepared by embodiment 1-6 it is fresh
The data of reflecting property and glossiness are as follows：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example | |
| Clarity DOI | 0.76 | 0.84 | 0.75 | 0.81 | 0.82 | 0.79 | 0.82 |
| 20 ° of glossiness | 92 | 97 | 95 | 96 | 94 | 95 | 93 |
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster, it is characterised in that：Including following step
Suddenly：
(1) by aluminium alloy wheel hub after degreasing, pickling, passivation pretreatment, using static powder gun on the surface of aluminium alloy wheel hub
Bottom powder nano paint is sprayed, baking-curing reuses static powder gun spraying acrylic acid background color paint, and baking-curing is contained
The wheel hub of background color paint；
(2) after polishing processing, wheel hub integrally covers three layers of entirety on the surface of the wheel hub for the paint containing background color for preparing step (1)
Formula high temperature paster, then uses static powder gun to be painted in the surface of high temperature paster sprinkling middle level, and baking obtains containing middle coating intermediate
The wheel hub of colored paint；
(3) the part paster that the hub surface of the colored paint containing middle coating intermediate of step (2) preparation is removed with cutting die punching, after cleaning,
Obtain double-colored aluminium alloy wheel hub；
(4) double-colored aluminium alloy wheel hub prepared by step (3) is integrally covered into three layers of monoblock type high temperature paster again, uses electrostatic dusting
Rifle sprays the second middle level on the surface of high temperature paster and paints, and baking obtains the wheel hub containing two layers of middle coating intermediate colored paint；
(5) the part paster of the hub surface containing two layers of middle coating intermediate colored paint of step (4) preparation, cleaning are removed with cutting die punching
Afterwards, step (4) is repeated, static powder gun is finally used to spray transparent powder, baking obtains the polychrome based on monoblock type high temperature paster
Aluminium alloy wheel hub.
2. a kind of chromatography work of multi-colour Al-alloy wheel hub based on monoblock type high temperature paster according to claim 1
Skill, it is characterised in that：In the step (1), bottom powder nano paint includes acrylic resin powder, curing agent, levelling agent, filler
The grain size of the oxide nano rare earth being modified with graphene, the oxide nano rare earth that the graphene is modified is 0.2-2 μm, institute
The content for stating the oxide nano rare earth of graphene modification is 0.1-2%.
3. a kind of chromatography work of multi-colour Al-alloy wheel hub based on monoblock type high temperature paster according to claim 1
Skill, it is characterised in that：In the step (1), the condition of baking-curing is：After first keeping the temperature 10min at a temperature of 90 DEG C, then
It is warming up to 140-145 DEG C, keeps the temperature 20-30min.
4. a kind of chromatography work of multi-colour Al-alloy wheel hub based on monoblock type high temperature paster according to claim 1
Skill, it is characterised in that：In the step (1), the color of bottom powder nano paint is black, bottom powder nano paint and acrylic acid background color
Painting color is different.
5. a kind of chromatography work of multi-colour Al-alloy wheel hub based on monoblock type high temperature paster according to claim 1
Skill, it is characterised in that：In the step (2) or (4), middle level paint is waterborne polyurethane resin colored paint.
6. a kind of chromatography work of multi-colour Al-alloy wheel hub based on monoblock type high temperature paster according to claim 1
Skill, it is characterised in that：In the step (2) or (4), the temperature of baking is 130-140 DEG C, time 30-40min.
7. a kind of chromatography work of multi-colour Al-alloy wheel hub based on monoblock type high temperature paster according to claim 1
Skill, it is characterised in that：In the step (3), clean as ultrasonic cleaning, frequency 15-30kHz, time 0.5-3min.
8. a kind of chromatography work of multi-colour Al-alloy wheel hub based on monoblock type high temperature paster according to claim 1
Skill, it is characterised in that：In the step (4), the number repeated is 0-3 times.
9. a kind of chromatography work of multi-colour Al-alloy wheel hub based on monoblock type high temperature paster according to claim 1
Skill, it is characterised in that：In the step (5), the temperature of baking is 150-170 DEG C, time 30-45min.
10. a kind of chromatography work of multi-colour Al-alloy wheel hub based on monoblock type high temperature paster according to claim 1
Skill, it is characterised in that：In the step step (3) or (5), the ratio of part paster is 1-99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572013.4A CN108745829A (en) | 2018-06-05 | 2018-06-05 | A kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572013.4A CN108745829A (en) | 2018-06-05 | 2018-06-05 | A kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108745829A true CN108745829A (en) | 2018-11-06 |
Family
ID=63999037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810572013.4A Pending CN108745829A (en) | 2018-06-05 | 2018-06-05 | A kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108745829A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675778A (en) * | 2019-01-29 | 2019-04-26 | 洛阳市黄河软轴控制器股份有限公司 | A kind of means of defence when the double-colored plastic-spraying of plastic-spraying part |
| CN110201868A (en) * | 2018-11-10 | 2019-09-06 | 威海万丰奥威汽轮有限公司 | A kind of paint chromatography patch high temperature resistant paster coating process |
| CN115502070A (en) * | 2022-10-18 | 2022-12-23 | 重庆戴卡捷力轮毂制造有限公司 | Color register process is applied to aluminum alloy wheel hub in batches |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373171A (en) * | 2012-04-24 | 2013-10-30 | 台山市国际交通器材配件有限公司 | Decorating wheel hub and manufacturing method thereof |
| CN103613883A (en) * | 2013-11-29 | 2014-03-05 | 中国科学院金属研究所 | Wear-resistant hard composite material using graphene as filler and preparation method thereof |
| CN104588289A (en) * | 2013-10-31 | 2015-05-06 | 珠海格力电器股份有限公司 | Transparent bright side spraying process |
| CN106622918A (en) * | 2016-12-05 | 2017-05-10 | 中信戴卡股份有限公司 | Improved double-color aluminum alloy wheel coating process |
| CN106733567A (en) * | 2016-12-28 | 2017-05-31 | 威海万丰奥威汽轮有限公司 | A kind of production technology of colorful aluminium alloy wheel hub |
-
2018
- 2018-06-05 CN CN201810572013.4A patent/CN108745829A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373171A (en) * | 2012-04-24 | 2013-10-30 | 台山市国际交通器材配件有限公司 | Decorating wheel hub and manufacturing method thereof |
| CN104588289A (en) * | 2013-10-31 | 2015-05-06 | 珠海格力电器股份有限公司 | Transparent bright side spraying process |
| CN103613883A (en) * | 2013-11-29 | 2014-03-05 | 中国科学院金属研究所 | Wear-resistant hard composite material using graphene as filler and preparation method thereof |
| CN106622918A (en) * | 2016-12-05 | 2017-05-10 | 中信戴卡股份有限公司 | Improved double-color aluminum alloy wheel coating process |
| CN106733567A (en) * | 2016-12-28 | 2017-05-31 | 威海万丰奥威汽轮有限公司 | A kind of production technology of colorful aluminium alloy wheel hub |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201868A (en) * | 2018-11-10 | 2019-09-06 | 威海万丰奥威汽轮有限公司 | A kind of paint chromatography patch high temperature resistant paster coating process |
| CN109675778A (en) * | 2019-01-29 | 2019-04-26 | 洛阳市黄河软轴控制器股份有限公司 | A kind of means of defence when the double-colored plastic-spraying of plastic-spraying part |
| CN115502070A (en) * | 2022-10-18 | 2022-12-23 | 重庆戴卡捷力轮毂制造有限公司 | Color register process is applied to aluminum alloy wheel hub in batches |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108745829A (en) | A kind of chromatography technique of the multi-colour Al-alloy wheel hub based on monoblock type high temperature paster | |
| CN103028533B (en) | Automobile surface paint chromatic spraying method | |
| CN103373171A (en) | Decorating wheel hub and manufacturing method thereof | |
| CN104475314A (en) | Car painting method | |
| CN101830147A (en) | Color ring-decorating wheel hub and manufacture method thereof | |
| CN101234378A (en) | Paint surface posthaste photo compensation method | |
| CN110681551A (en) | Color register coating process method for automobile multi-color automobile body | |
| CN105944939B (en) | It is a kind of to spill the surface treatment method a little combined with silk-screen peelable glue | |
| CN110976255A (en) | Automobile body coating method | |
| CN108997930A (en) | A kind of processing technology of polychrome colorful noctilucence wheel | |
| CN108944828A (en) | A kind of method of restoring automobile wheel hub scratch | |
| CN110293041A (en) | In a kind of automobile, severe scratch exempt from the renovation technique that paints | |
| CN101318524B (en) | Method for manufacturing automobile casing with design on surface | |
| CN111992469A (en) | Three-dimensional pattern coating, preparation method thereof, lamp fitting and lamp | |
| CN1332818C (en) | Electrochemical aluminium thermoprinting method | |
| CN101234577A (en) | Stoving varnish method for finish art | |
| CN111974657A (en) | Preparation method of colorful coating, colorful coating and lamp fitting | |
| CN110201868A (en) | A kind of paint chromatography patch high temperature resistant paster coating process | |
| CN105032730B (en) | A kind of special long-life strong adhesive force coating process of commercial car | |
| CN207433641U (en) | Plate and vehicle body | |
| JP3980280B2 (en) | Coating film repair method | |
| JP3826803B2 (en) | How to repair the coating | |
| JP2515336B2 (en) | Top coating method for automobiles | |
| JPS6393380A (en) | Method for partially repairing paint film | |
| CN203580263U (en) | Wood grain pre-roller-coated printed metal plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
|
| RJ01 | Rejection of invention patent application after publication |