CN105289957B - Three color aluminium alloy wheel hubs of one kind and its production technology - Google Patents
Three color aluminium alloy wheel hubs of one kind and its production technology Download PDFInfo
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- CN105289957B CN105289957B CN201510795946.6A CN201510795946A CN105289957B CN 105289957 B CN105289957 B CN 105289957B CN 201510795946 A CN201510795946 A CN 201510795946A CN 105289957 B CN105289957 B CN 105289957B
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Abstract
The present invention relates to a kind of three color aluminium alloy wheel hubs and its production technology, the aluminium alloy wheel hub main body to spray the first color；The decorative cover position of aluminium alloy wheel hub sprays colourful transparent paint after finish-milling processing and pre-treatment passivation, and second of color is presented；The spoke of aluminium alloy wheel hub and wheel rim surface position spray the colored varnish after finishing processing and pre-treatment passivation, the third color is presented.The present invention realizes the production of three color aluminium alloy wheel hubs by carrying out the sprayings of three step different colours respectively to aluminium alloy wheel hub.It is reasonable that it is formed, and preparation method is simple, and dependable performance, processing cost is low, and is suitable for industrial mass production.
Description
Technical field
The present invention relates to aluminium alloy automobile hub and Al-alloy motorcycle wheel hub, specifically a kind of three color aluminum alloy wheels
Hub and its production technology.
Background technology
It is known that with the rapid development of modern automobile industry and the increasingly promotion of people's aesthetic conceptions, automobile with rub
Fashion more new trend with rapid changepl. never-ending changes and improvements is presented in motorcycle appearance, and wheel hub has become the one of the important signs that for weighing vehicle cost performance,
A beautiful wheel hub can greatly promote the exterior quality of automobile and motorcycle, make the richer aesthetic feeling of vehicle.
However, aluminium alloy wheel hub of vehicle color currently on the market mainly has monochromatic and two kinds of double-colored aluminium wheel, but rarely have three
Color aluminium wheel, even if invariably by more original method if thering are individual users for pursuing individual character to be converted into " three colors " aluminium wheel：Such as with painting
The three color effect of method " block gathers " wheel that paint pen, manual spray or patch chromatics paper etc. are manufactured in a rough and slipshod way, the prior art is because of its production effect
Rate is low, difficulty of construction is big, presentation quality and consistency can not ensure, also just cannot be satisfied the demand of bulk article, it is even more impossible to
Meet the stringent quality requirement of automobile main frame maker.
Invention content
The technical problem to be solved by the present invention is to overcome above-mentioned the deficiencies in the prior art, it is reasonable to provide a kind of composition, system
Preparation Method is simple, dependable performance, and processing cost is low and is suitable for three color aluminium alloy wheel hubs of industrial mass production and its production
Technique.
The present invention solve above-mentioned technical problem the technical solution adopted is that：A kind of three color aluminium alloy wheel hubs, it is characterised in that：
The aluminium alloy wheel hub main body sprays the first color；The decorative cover position of aluminium alloy wheel hub is passivated through finish-milling processing and pre-treatment
Colourful transparent paint is sprayed afterwards, and second of color is presented；The spoke of aluminium alloy wheel hub and wheel rim surface position through finishing processing and before
The colored varnish is sprayed after processing passivation, the third color is presented.
Aluminium alloy wheel hub semi-finished product are passivated preceding place by a kind of production technology of above-mentioned three colors aluminium alloy wheel hub first
Reason forms one layer of fine and close passivating film in surface of aluminum alloy hub；It is characterized in that：It further includes following steps：
The first step：Electrostatic bottom powder coating is uniformly sprayed to the surface of aluminum alloy hub after passivation using static powder gun, is applied
Material uniform adsorption under electrostatic interaction makes bottom powder coating cure in hub surface through 160-220 DEG C of high temperature；Then electrostatic is reused
Spray gun for paint sprays base coat to the surface of aluminum alloy hub with bottom powder coating, and solidification temperature is controlled at 130~180 DEG C；Spray bottom
Total coating thickness is 40-80 μm after paint and bottom powder, completes the processing of the first color of wheel hub；
Second step：The decorative cover position for the aluminium alloy wheel hub processed to the first step carries out finish-milling processing, then again into
The row passivation pre-treatment, then sprays a kind of colourful transparent paint；The colored varnish color is except color used in first step colored paint
Any one outer color carries out levelling curing process, colored varnish coating layer thickness after solidification by 130~180 DEG C of high-temperature bakings
It is 10~30 μm, shows colourful transparent paint color at wheel hub finish-milling position, complete the processing of second of color of wheel hub；
Third walks：The spoke for the aluminium alloy wheel hub processed to second step and wheel rim surface position carry out finishing processing,
Then the passivation pre-treatment is carried out again, finally sprays the colored varnish or transparent powder of another color, using 150~
220 DEG C of high-temperature bakings make the colored varnish or transparent powder levelling cure, and complete the processing of the third color of wheel hub；It is final to realize three color aluminium
The production of alloy wheel hub.
Further, the spoke of the aluminium alloy wheel hub in the third step and wheel rim surface position are located on same convolution face.
The present invention realizes three color aluminium alloy wheel hubs by carrying out the sprayings of three step different colours respectively to aluminium alloy wheel hub
Production.It can meet the growing aesthetic conceptions demand of people and modernization batch production, can effectively change at present
The single present situation of aluminium wheels appearance color.Against existing technologies, present invention composition is reasonable, and preparation method is simple, and dependable performance adds
Work is at low cost, and is suitable for industrial mass production.It is the ideal three colors aluminium alloy wheel hub of one kind and its production technology.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram after the first color processing of the invention.
Fig. 2 is the schematic diagram after second of color processing of the present invention.
Fig. 3 is the schematic diagram after the third color processing of the invention.
Specific implementation mode
From figure 3, it can be seen that a kind of three color aluminium alloy wheel hubs, the first color 1 of the aluminium alloy wheel hub integral spray；
The decorative cover position of aluminium alloy wheel hub sprays colourful transparent paint after finish-milling processing and pre-treatment passivation, and second of color 2 is presented；
The spoke of aluminium alloy wheel hub and wheel rim surface position spray the colored varnish after finishing processing and pre-treatment passivation, the third color is presented
Coloured silk 3.
Aluminium alloy wheel hub semi-finished product are passivated preceding place by a kind of production technology of above-mentioned three colors aluminium alloy wheel hub first
Reason forms one layer of fine and close passivating film in surface of aluminum alloy hub.Former procedures of wheel hub production procedure, are all made of ripe work
Skill, therefore do not repeat in the present invention, directly introduced since mach roughing link：Blank after heat treatment is carried out
Roughing：The CNC machine speed of mainshaft is set as 2000~2300r/min, 0.4~0.6mm/r of the amount of feeding, and processing rear surface is coarse
Degree 3.2~6.3.It is polished rough machined semi-finished product, the refine processing such as finishing, pre-treatment then is carried out to semi-finished product：It is right
The greasy dirt and cutting fluid draff of product surface carry out the methods of pickling, alkali cleaning, plasma washing and thoroughly clean and dry, then
By Passivation Treatment, one layer of fine and close passivating film is formed in surface of semi-finished, pre-treatment temperature is controlled at 105~160 °C.Preceding place
Reason is that three colour wheel hubs carry out adequate preparation.
The present invention realizes the batch production of three colour wheel hubs by following three-procedure.
The first step：Electrostatic bottom powder coating is uniformly sprayed to the surface of aluminum alloy hub after passivation using static powder gun, is applied
Material uniform adsorption under electrostatic interaction makes bottom powder coating cure in hub surface through 160-220 DEG C of high temperature；Then electrostatic is reused
Spray gun for paint sprays base coat to the surface of aluminum alloy hub with bottom powder coating, can be grey paint or other dark oils
Paint.Solidification temperature is controlled at 130~180 DEG C；This temperature is unsuitable too high or too low, excessively high that colored paint can be made to have consolidated without levelling
Change, can be bad in product surface formation orange peel etc., and painting layer embrittlement can be caused；Temperature is too low and can lead to hardening time mistake
It is long, influence wheel hub production efficiency.The thickness of background color lacquer coat is 40-80 μm after solidification, completes the processing of the first color of wheel hub；
As shown in Figure 1.
Second step：The semi-finished product for the aluminium alloy wheel hub that the first step is processed are fixed on CNC machining centers, to dress
Facing position carries out finish-milling processing.The CNC machine speed of mainshaft is still set as 2000~2300r/min, and the amount of feeding 0.15~
0.35mm/r, it is ensured that finish-milling position is in the mirror effect of aluminium, surface roughness 1.6~3.2.Then primary institute as above is carried out again
Then the pre-treatment passivation technology stated sprays a kind of colourful transparent paint, which is except color used in first step colored paint
Any one outer color.Can be red, green, blue etc..The unique distinction of the colourful transparent paint is that be sprayed on wheel hub non-
Minute surface position is in the effect of the Plain colored varnish, but colour is then presented thoroughly in while being sprayed on the minute surface after finish-milling or finishing processing
The bright set color of paint.The present invention is then presented at minute surface position red by taking red, transparent paint as an example.Colourful transparent paint must also pass through
130~180 DEG C of high-temperature bakings carry out levelling curing process, 10~30 μm of colored varnish coating layer thickness after solidification.Complete wheel hub second
The processing of kind color；As shown in the shadow regions Fig. 2.
The present invention will realize more color effects, only need to repeat the technique stream of second step at the position that color effect need to be presented
Cheng Jinhang finish-millings, pre-treatment+aerograph color celluloid paint cycle, realize the above effect of three color of wheel hub.
Third walks：Wheel hub after above-mentioned spraying is fixed on CNC smart car lathes, spoke and wheel rim surface are carried out
Finishing processing.The spoke and wheel rim surface position are located on the same convolution face of wheel hub outermost.CNC lathe spindle rotating speeds are still set
It is set to 2000~2300r/min, 0.15~0.35mm/r of the amount of feeding, it is ensured that smart car position is in aluminium mirror effect, rough surface
Degree 1.6~3.2.Then pre-treating technology as described above is carried out again, is finally sprayed the colored varnish or transparent powder, is selected as needed
Colourful transparent paint or normal transparent paint.It is complete after so that the colored varnish or transparent powder levelling is cured using 150~220 DEG C of high-temperature bakings
At the processing of the third color of wheel hub.The final production for realizing three color aluminium alloy wheel hubs.As shown in Figure 3.Hub body color area
Domain sprays the first color 1, is grey；Decorative cover position sprays second color 2 after finish-milling processing and pre-treatment passivation
The colored varnish, for red；Spoke and wheel rim surface position are also mirror effect area, and the is sprayed after finishing processing and pre-treatment passivation
The colored varnish of three kinds of colors 3.
The present invention realizes three color aluminium alloy wheel hubs by carrying out the sprayings of three step different colours respectively to aluminium alloy wheel hub
Production.It can meet the growing aesthetic conceptions demand of people and modernization batch production, can effectively change at present
The single present situation of aluminium wheels appearance color.It is reasonable that it is formed, and preparation method is simple, and dependable performance, processing cost is low, and is suitable for work
Industryization is produced in enormous quantities.It is the ideal three colors aluminium alloy wheel hub of one kind and its production technology.
Claims (1)
1. aluminium alloy wheel hub semi-finished product are passivated pre-treatment by a kind of production technology of three colors aluminium alloy wheel hub first,
Surface of aluminum alloy hub forms one layer of fine and close passivating film；It is characterized in that：It further includes following steps：
The first step：Electrostatic bottom powder coating is uniformly sprayed to the surface of aluminum alloy hub after passivation using static powder gun, coating exists
Uniform adsorption makes bottom powder coating cure in hub surface through 160-220 DEG C of high temperature under electrostatic interaction；Then electrostatic painting is reused
Rifle sprays base coat to the surface of aluminum alloy hub with bottom powder coating, and solidification temperature is controlled at 130~180 DEG C；Base coat applies
The thickness of layer is 40-80 μm, completes the processing of the first color of wheel hub；
Second step：Decorative cover position progress finish-milling processing to the aluminium alloy wheel hub that the first step is processed, then carries out institute again
Then the passivation pre-treatment stated sprays a kind of colourful transparent paint to aluminium alloy wheel hub；The colored varnish color is to remove first step colored paint
Any one color outside color used carries out levelling curing process, the colored varnish after solidification by 130~180 DEG C of high-temperature bakings
Coating layer thickness is 10~30 μm, completes the processing of second of color of wheel hub；
Third walks：The spoke for the aluminium alloy wheel hub processed to second step and wheel rim surface position carry out finishing processing, then
The primary passivation pre-treatment is carried out again, another colored varnish or transparent powder finally is sprayed to aluminium alloy wheel hub, using 150
~220 DEG C of high-temperature bakings make the colored varnish or transparent powder levelling cure, and complete the processing of the third color of wheel hub；It is final to realize three colors
The production of aluminium alloy wheel hub.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510795946.6A CN105289957B (en) | 2015-11-18 | 2015-11-18 | Three color aluminium alloy wheel hubs of one kind and its production technology |
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| CN201510795946.6A CN105289957B (en) | 2015-11-18 | 2015-11-18 | Three color aluminium alloy wheel hubs of one kind and its production technology |
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| CN105289957A CN105289957A (en) | 2016-02-03 |
| CN105289957B true CN105289957B (en) | 2018-10-12 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269422A (en) * | 2016-08-26 | 2017-01-04 | 无锡戴卡轮毂制造有限公司 | A kind of novel transparent powder spraying coating process |
| CN106733551A (en) * | 2016-12-05 | 2017-05-31 | 中信戴卡股份有限公司 | Improved double-colored smart car wheel coating process |
| CN106824722A (en) * | 2016-12-05 | 2017-06-13 | 中信戴卡股份有限公司 | A kind of double-colored aluminum alloy wheel coating process |
| CN106733567B (en) * | 2016-12-28 | 2021-03-19 | 威海万丰奥威汽轮有限公司 | Production process of colorful aluminum alloy hub |
| CN106622907A (en) * | 2016-12-28 | 2017-05-10 | 威海万丰奥威汽轮有限公司 | Processing method and special tool for multicolor aluminum alloy hub |
| CN107583843A (en) * | 2017-08-30 | 2018-01-16 | 孙毅科 | The technique of wheel hub reparation |
| CN111570234A (en) * | 2020-05-15 | 2020-08-25 | 浙江万丰摩轮有限公司 | Mirror surface aluminum alloy hub machining process |
| CN113083639A (en) * | 2021-03-22 | 2021-07-09 | 吉林万丰奥威汽轮有限公司 | Painting process for bright wheel window of painting vehicle |
| CN116273776A (en) * | 2023-02-24 | 2023-06-23 | 浙江六和轻机械有限公司 | Honey red spraying method for hub |
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| CN101773902A (en) * | 2009-12-30 | 2010-07-14 | 上海斯典化工有限公司 | Surface color processing method for vehicle wheels and wheels thereof |
| CN102310040A (en) * | 2011-07-01 | 2012-01-11 | 浙江跃岭股份有限公司 | Coating method of aluminum alloy automobile hub |
| CN103909050A (en) * | 2014-04-10 | 2014-07-09 | 中信戴卡股份有限公司 | Improved wheel spraying technology |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4126251B2 (en) * | 2003-06-16 | 2008-07-30 | 古河スカイ株式会社 | Method for producing aluminum alloy plate for glittering wheel rim |
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Patent Citations (3)
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|---|---|---|---|---|
| CN101773902A (en) * | 2009-12-30 | 2010-07-14 | 上海斯典化工有限公司 | Surface color processing method for vehicle wheels and wheels thereof |
| CN102310040A (en) * | 2011-07-01 | 2012-01-11 | 浙江跃岭股份有限公司 | Coating method of aluminum alloy automobile hub |
| CN103909050A (en) * | 2014-04-10 | 2014-07-09 | 中信戴卡股份有限公司 | Improved wheel spraying technology |
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Inventor after: Han Zhaohua Inventor after: Hou Qincheng Inventor after: Liu Rongli Inventor after: Li Lane Inventor after: Liu Maojun Inventor after: Liu Wei Inventor after: Zhang Mingliang Inventor before: Hou Qincheng Inventor before: Han Zhaohua Inventor before: Li Lane |
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