CN105289957A - Three-color aluminum alloy hub and production technology thereof - Google Patents
Three-color aluminum alloy hub and production technology thereof Download PDFInfo
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- CN105289957A CN105289957A CN201510795946.6A CN201510795946A CN105289957A CN 105289957 A CN105289957 A CN 105289957A CN 201510795946 A CN201510795946 A CN 201510795946A CN 105289957 A CN105289957 A CN 105289957A
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Abstract
The invention relates to a three-color aluminum alloy hub and a production technology thereof. A first color is sprayed to an aluminum alloy hub body. Color zapon lacquer is sprayed after finish milling and pretreatment passivation are carried out on a decoration face part of the aluminum alloy hub, and a second color is shown. Zapon lacquer is sprayed after finish turning and pretreatment passivation are carried out on the surfaces of a spoke and a rim of the aluminum alloy hub, and a third color is shown. Three steps of spraying the three different colors to the aluminum alloy hub are adopted, and production of the three-color aluminum alloy hub is achieved. The three-color aluminum alloy hub is reasonable in composition, simple in manufacturing method, reliable in performance, low in machining cost and suitable for industrial large-batch production.
Description
Technical field
The present invention relates to aluminium alloy automobile hub and Al-alloy motorcycle wheel hub, specifically a kind of three look aluminium alloy wheel hub and production technologies thereof.
Background technology
We know, along with the develop rapidly of modern automobile industry and the lifting day by day of people's aesthetic conceptions, automobile and motorcycle outward appearance present fashion with rapid changepl. never-ending changes and improvements more new trend, and wheel hub in vehicle body, more so U.S. leg in stature, also just take as own duty and become one of important symbol of weighing car load cost performance, a beautiful wheel hub drawing wind and extremely dazzle, greatly can promote the exterior quality of automobile and motorcycle, make the richer aesthetic feeling of car load.
But, aluminium alloy wheel hub of vehicle color in the market mainly contains monochrome and double-colored aluminium takes turns two kinds, but three look aluminium wheels are rarely had, even if there is indivedual user pursuing individual character to change system into " three looks " aluminium wheel, also invariably by comparatively original method: as with japanning pen, manual spray or paste shoddy method " block gathers " wheel three chromatic effects such as chromatics paper, prior art because its production efficiency is low, large, the presentation quality of difficulty of construction and uniformity all cannot ensure, also just cannot meet the demand of bulk article, more cannot meet the strict quality requirement of automobile main frame maker.
Summary of the invention
Technical problem to be solved by this invention overcomes above-mentioned the deficiencies in the prior art, and provide a kind of composition rationally, preparation method is simple, dependable performance, and processing cost is low and be suitable for three look aluminium alloy wheel hub and production technologies thereof of industrialized mass.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of three look aluminium alloy wheel hubs, is characterized in that: described aluminium alloy wheel hub main body sprays the first color; The decorative cover position of aluminium alloy wheel hub sprays colourful transparent paint after finish-milling processing and pre-treatment passivation, presents the second color; The spoke of aluminium alloy wheel hub and wheel rim surface position spray the colored varnish after finish turning processing and pre-treatment passivation, present the third color.
A production technology for above-mentioned three look aluminium alloy wheel hubs, first it carry out passivation pre-treatment to aluminium alloy wheel hub semi-finished product, forms the passivating film of one deck densification in surface of aluminum alloy hub; It is characterized in that: it also comprises the steps:
The first step: use static powder gun evenly to spray powder coating at the bottom of electrostatic to the surface of aluminum alloy hub after passivation, coating uniform adsorption under electrostatic interaction, at hub surface, makes end powder coating solidification through 160-220 DEG C of high temperature; And then use style electro static spray gun, to the surface of aluminum alloy hub spraying base coat with end powder coating, solidification temperature controls at 130 ~ 180 DEG C; After primer spray and end powder, total coating thickness is 40-80 μm, completes the processing of the first color of wheel hub;
Second step: finish-milling processing is carried out at the decorative cover position first step being processed to the aluminium alloy wheel hub obtained, then carries out described passivation pre-treatment again, then sprays a kind of colourful transparent paint; This colored varnish color is any one color except first step colored paint color used, levelling solidification process is carried out through 130 ~ 180 DEG C of high-temperature bakings, after solidification, colored varnish coating layer thickness is 10 ~ 30 μm, in wheel hub finish-milling position display color colored varnish color, complete the processing of the second color of wheel hub;
3rd step: finish turning processing is carried out at the spoke and the wheel rim surface position that second step are processed to the aluminium alloy wheel hub obtained, and then carry out once described passivation pre-treatment, finally spray the colored varnish or the transparent powder of another kind of color, make the colored varnish or the solidification of transparent powder levelling through 150 ~ 220 DEG C of high-temperature bakings again, complete the processing of the third color of wheel hub; Finally realize the production of three look aluminium alloy wheel hubs.
Further, spoke and the wheel rim surface position of the aluminium alloy wheel hub in described 3rd step are positioned on same convolution face.
The present invention, by carrying out the spraying of three step different colours respectively to aluminium alloy wheel hub, realizes the production of three look aluminium alloy wheel hubs.It can meet the growing aesthetic conceptions demand of people, is applicable to again modernization batch production, effectively can changes the present situation that aluminum current wheel hub appearance color is single.Against existing technologies, the present invention forms rationally, and preparation method is simple, and dependable performance, processing cost is low, and is suitable for industrialized mass.A kind of three desirable look aluminium alloy wheel hub and production technologies thereof.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the schematic diagram after the processing of the first color of the present invention.
Fig. 2 is the schematic diagram after the second color of the present invention processing.
Fig. 3 is the schematic diagram after the processing of the third color of the present invention.
Detailed description of the invention
As can be seen from Figure 3, a kind of three look aluminium alloy wheel hubs, the first color 1 of described 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, presents the second color 2; The spoke of aluminium alloy wheel hub and wheel rim surface position spray the colored varnish after finish turning processing and pre-treatment passivation, present the third color 3.
A production technology for above-mentioned three look aluminium alloy wheel hubs, first it carry out passivation pre-treatment to aluminium alloy wheel hub semi-finished product, forms the passivating film of one deck densification in surface of aluminum alloy hub.Former procedures of wheel hub production procedure, all adopt maturation process, therefore do not repeat in the present invention, directly introduce from mach roughing link: roughing is carried out to the blank after heat treatment: the CNC machine speed of mainshaft is set as 2000 ~ 2300r/min, the amount of feeding 0.4 ~ 0.6mm/r, processing rear surface roughness 3.2 ~ 6.3.Rough machined semi-finished product are polished, the refine process such as polishing, then pre-treatment is carried out to semi-finished product: the methods such as pickling, alkali cleaning, plasma washing are carried out to the greasy dirt of product surface and cutting fluid draff and thoroughly cleans and dry, pass through Passivation Treatment again, form the passivating film of one deck densification in surface of semi-finished, pre-treatment temperature controls at 105 ~ 160 ° of C.Pre-treatment is that adequate preparation carried out by three colour wheel hubs.
The present invention realizes the batch production of three colour wheel hubs by following three-procedure.
The first step: use static powder gun evenly to spray powder coating at the bottom of electrostatic to the surface of aluminum alloy hub after passivation, coating uniform adsorption under electrostatic interaction, at hub surface, makes end powder coating solidification through 160-220 DEG C of high temperature; And then use style electro static spray gun, to the surface of aluminum alloy hub spraying base coat with end powder coating, it can be grey paint or other dark paint.Solidification temperature controls at 130 ~ 180 DEG C; This temperature is unsuitable too high or too low, and too high meeting makes colored paint namely solidify without levelling, can form orange peel etc. bad, and can cause painting layer embrittlement at product surface; Temperature is too low can cause again hardening time long, affects wheel hub production efficiency.After solidification, the thickness of base coat coating is 40-80 μm, completes the processing of the first color of wheel hub; As shown in Figure 1.
Second step: the semi-finished product first step being processed the aluminium alloy wheel hub obtained are fixed on CNC machining center, carry out finish-milling processing to decorative cover position.The CNC machine speed of mainshaft is still set as 2000 ~ 2300r/min, the amount of feeding 0.15 ~ 0.35mm/r, guarantees that finish-milling position is the mirror effect of aluminium, surface roughness 1.6 ~ 3.2.And then carry out once pre-treatment passivation technology as above, then spray a kind of colourful transparent paint, this colored varnish color is any one color except first step colored paint color used.Can be red, green, blue etc.The unique distinction of this colourful transparent paint is sprayed on the effect that wheel hub non-specular surface position is the Plain colored varnish, but then present this colourful transparent paint set color when being sprayed on the minute surface after finish-milling or finish turning processing.The present invention for red, transparent paint, then presents redness at minute surface position.Colourful transparent paint also must carry out levelling solidification process through 130 ~ 180 DEG C of high-temperature bakings, colored varnish coating layer thickness 10 ~ 30 μm after solidification.Complete the processing of wheel hub the second color; As shown in Fig. 2 shadow region.
The present invention will realize more multicolour effect, only need repeat at the position that need present color effect second step finish-milling is carried out in technological process, pre-treatment+color spray colored varnish circulates, realize wheel hub three look above effect.
3rd step: the wheel hub after above-mentioned spraying is fixed on CNC finish turning lathe, finish turning processing is carried out to spoke and wheel rim surface.Described spoke and wheel rim surface position are positioned on the same convolution face of wheel hub outermost.CNC lathe spindle rotating speed is still set as 2000 ~ 2300r/min, the amount of feeding 0.15 ~ 0.35mm/r, guarantees that finish turning position is aluminium mirror effect, surface roughness 1.6 ~ 3.2.And then carry out pre-treating technology as above, finally spray the colored varnish or transparent powder, select colourful transparent paint or normal transparent paint as required.Make, after the colored varnish or the solidification of transparent powder levelling, to complete the processing of the third color of wheel hub through 150 ~ 220 DEG C of high-temperature bakings again.Finally realize the production of three look aluminium alloy wheel hubs.As shown in Figure 3.Hub body color region sprays the first color 1, is grey; Decorative cover position sprays the colored varnish of the second color 2 after finish-milling processing and pre-treatment passivation, is redness; Spoke and Ye Shi mirror effect district, wheel rim surface position, spray the colored varnish of the third color 3 after finish turning processing and pre-treatment passivation.
The present invention, by carrying out the spraying of three step different colours respectively to aluminium alloy wheel hub, realizes the production of three look aluminium alloy wheel hubs.It can meet the growing aesthetic conceptions demand of people, is applicable to again modernization batch production, effectively can changes the present situation that aluminum current wheel hub appearance color is single.Rationally, preparation method is simple, and dependable performance, processing cost is low, and is suitable for industrialized mass for its composition.A kind of three desirable look aluminium alloy wheel hub and production technologies thereof.
Claims (3)
1. three look aluminium alloy wheel hubs, is characterized in that: described aluminium alloy wheel hub main body sprays the first color; The decorative cover position of aluminium alloy wheel hub sprays colourful transparent paint after finish-milling processing and pre-treatment passivation, presents the second color; The spoke of aluminium alloy wheel hub and wheel rim surface position spray the colored varnish after finish turning processing and pre-treatment passivation, present the third color.
2. a production technology for three look aluminium alloy wheel hubs described in claim 1, first it carry out passivation pre-treatment to aluminium alloy wheel hub semi-finished product, forms the passivating film of one deck densification in surface of aluminum alloy hub; It is characterized in that: it also comprises the steps:
The first step: use static powder gun evenly to spray powder coating at the bottom of electrostatic to the surface of aluminum alloy hub after passivation, coating uniform adsorption under electrostatic interaction, at hub surface, makes end powder coating solidification through 160-220 DEG C of high temperature; And then use style electro static spray gun, to the surface of aluminum alloy hub spraying base coat with end powder coating, solidification temperature controls at 130 ~ 180 DEG C; The thickness of base coat coating is 40-80 μm, completes the processing of the first color of wheel hub;
Second step: finish-milling processing is carried out at the decorative cover position first step being processed to the aluminium alloy wheel hub obtained, then carries out described passivation pre-treatment again, then sprays a kind of colourful transparent paint; This colored varnish color is any one color except first step colored paint color used, and carry out levelling solidification process through 130 ~ 180 DEG C of high-temperature bakings, after solidification, colored varnish coating layer thickness is 10 ~ 30 μm, completes the processing of the second color of wheel hub;
3rd step: finish turning processing is carried out at the spoke and the wheel rim surface position that second step are processed to the aluminium alloy wheel hub obtained, and then carry out once described passivation pre-treatment, finally spray the another kind of colored varnish or transparent powder, make the colored varnish or the solidification of transparent powder levelling through 150 ~ 220 DEG C of high-temperature bakings again, complete the processing of the third color of wheel hub; Finally realize the production of three look aluminium alloy wheel hubs.
3. the production technology of three look aluminium alloy wheel hubs according to claim 2, is characterized in that: spoke and the wheel rim surface position of the aluminium alloy wheel hub in described 3rd step are positioned on same convolution face.
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Cited By (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 |
| 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 |
| 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 |
| 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 |
| 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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| JP2005002459A (en) * | 2003-06-16 | 2005-01-06 | Furukawa Sky Kk | Method of producing aluminum alloy sheet for luster color wheel rim |
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| 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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| JP2005002459A (en) * | 2003-06-16 | 2005-01-06 | Furukawa Sky Kk | Method of producing aluminum alloy sheet for luster color wheel rim |
| 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 |
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Cited By (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 |
| 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 |
| 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 |
| 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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| CN105289957B (en) | 2018-10-12 |
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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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