CN101845656A - Surface treatment process for high-gloss aluminum alloy drawing profiles - Google Patents
Surface treatment process for high-gloss aluminum alloy drawing profiles Download PDFInfo
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- CN101845656A CN101845656A CN200910191554A CN200910191554A CN101845656A CN 101845656 A CN101845656 A CN 101845656A CN 200910191554 A CN200910191554 A CN 200910191554A CN 200910191554 A CN200910191554 A CN 200910191554A CN 101845656 A CN101845656 A CN 101845656A
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Abstract
The invention discloses a surface treatment process for high-gloss aluminum alloy drawing profiles, which comprises the steps of drawing, chemical polishing, burnishing, anodizing and plugging. The surface treatment process can be used for manufacturing aluminum profiles with filamentous surface textures, smooth and exquisite hand feeling and high-gloss metallic natural color; the surface treatment process overcomes the defects that common anodizing and electrophoretic painting enable aluminum products to have mechanical lines, and heat transfer printing, powder spraying and paint spraying enable aluminum products to have no metallic gloss; and the surface treatment process is suitable for production of household electrical appliances, bathrooms and other products with high decorative requirements.
Description
Technical field
The present invention relates to metallic surface and handle particularly a kind of surface treatment process for high-gloss aluminum alloy drawing profiles.
Background technology
Aluminium alloy extrusions is widely used in door and window, curtain wall, indoor smallpox, door in the decoration of products such as, household electrical appliances, bathroom, therefore, the aluminium alloy extrusions outward appearance has been proposed more and more higher requirement, i.e. surface treatment to aluminium alloy extrusions has proposed more and more higher requirement.
The process of surface treatment of aluminium alloy extrusions commonly used has: anodic oxidation, electrophoretic painting, powder spraying, spray paint, polishing, hot transfer printing etc., aluminium after the common anode oxidation, its surperficial mechanical texture is obvious, electrophoretic painting is a compound again layer of transparent film on the oxidation aluminium basis, can make aluminium material surface have slick effect, but can amplify the defective of aluminium, polishing makes aluminium material surface have mirror effect, but cost height, suitability is narrower, hot transfer printing, the aluminium section bar that sprays, sprays paint do not have the metal true qualities of aluminium, influence attractive in appearance.
At the problem that above-mentioned technology exists, need seek a kind of new technique for surface treatment of aluminium alloy sections, overcome that common anode oxidation, electrophoretic painting make aluminium mechanical lines and hot transfer printing be arranged, dust, spraying paint makes aluminium not have the defective of metalluster.
The utility model content
In view of this, invention provides a kind of aluminum alloy drawing profiles process of surface treatment of high gloss, and through the aluminium alloy extrusions of this art breading, its surface has thread texture, and the exquisiteness that is smooth to the touch also has the aluminium metal true qualities of high gloss.
Surface treatment process for high-gloss aluminum alloy drawing profiles of the present invention may further comprise the steps:
A) wire drawing: use drawing wire machine to handle section bar, to produce silking on the section bar surface, select the pulling wheel of Φ 40～250mm for use, the section bar speed of travel is 5～20m/ branch, and the pulling wheel rotating speed is 1000～1800 rev/mins;
B) chemical rightenning: use temperature is 90～120 ℃, solution ratio is every liter, and to contain concentration be phosphoric acid 200～800ml of 85%, concentration is sulfuric acid 100～700ml of 98%, and rumbling compound is that the solution of 5～100g carries out chemical rightenning to section bar, and the chemical rightenning time is 1～30 minute;
C) bright dipping: use solution ratio to be every liter and contain NaOH 3～100g, the solution that goes out photo etching 5～80g soaks section bar 1～5 minute, with in and the acid solution of section bar remained on surface;
D) anodic oxidation: at tank liquor temperature is 15～28 ℃, and the tank liquor proportioning is every liter and contains H
2SO
4100～200g, Al
3+Less than 20g, anodic current density is 0.8～2.0A/dm
2, oxidation voltage is under the condition of 12～20V section bar to be carried out anodic oxidation, oxidization time is 10～45 minutes, makes the section bar surface form the layer of transparent oxide film;
E) sealing of hole: in temperature is 15～35 ℃, and the tank liquor proportioning is every liter and contains Ni
2+≤ 4g, F
-1Be the pore-sealing liquid of 0.1～0.8g, pH value is under 5.5～7.0 By-03A, the nickelous acetate tank liquor condition section bar to be carried out sealing of hole, and the sealing of hole time is 5～25 minutes.
Further, the formed oxide thickness of anodic oxidation step of described high gloss drawing profiles technology is 5～15 μ m.
The beneficial effect of the invention: surface treatment process for high-gloss aluminum alloy drawing profiles of the present invention comprises wire drawing, chemical rightenning, bright dipping, anodic oxidation, sealing of hole step, can produce the surface by this process of surface treatment and have thread texture, the exquisiteness that is smooth to the touch and aluminium section bar with high-gloss metal true qualities, overcome that common anode oxidation, electrophoretic painting make aluminium mechanical lines and hot transfer printing be arranged, dust, spraying paint makes aluminium not have the defective of metalluster.
Embodiment
Embodiment 1:
The surface treatment process for high-gloss aluminum alloy drawing profiles of present embodiment may further comprise the steps:
A) wire drawing: use drawing wire machine to handle section bar, to produce silking on the section bar surface, select the pulling wheel of Φ 40mm for use, the section bar speed of travel is the 5m/ branch, and the pulling wheel rotating speed is 1000 rev/mins;
B) chemical rightenning: use temperature is 90 ℃, solution ratio is every liter, and to contain concentration be 85% phosphoric acid 200ml, concentration is 98% sulfuric acid 100ml, rumbling compound is that the solution of 5g carries out chemical rightenning to section bar, the chemical rightenning time is 1 minute, form high reflective mirror effect at aluminium material surface, make the stringy lines have stereoscopic sensation, reach the high-decoration requirement;
C) bright dipping: use solution ratio to be every liter and contain NaOH 3g, the solution that goes out photo etching 5g soaks section bar 1 minute, with in and the acid solution of section bar remained on surface;
D) anodic oxidation: at tank liquor temperature is 15 ℃, and the tank liquor proportioning is every liter and contains H
2SO
4100g, Al
3+Less than 20g, anodic current density is 0.8A/dm
2, oxidation voltage is under the condition of 12V section bar to be carried out anodic oxidation, oxidization time is 10 minutes, makes the section bar surface form the thick transparent oxide film of one deck 5 μ m;
E) sealing of hole: in temperature is 15 ℃, and the tank liquor proportioning is every liter and contains Ni
2+≤ 4g, F
-1Be 0.1g, pH value is under 5.5 By-03A, the nickelous acetate tank liquor condition section bar to be carried out sealing of hole, and the sealing of hole time is 5 minutes, so that the porous anode oxide film reaches protective effect.
Embodiment 2:
The surface treatment process for high-gloss aluminum alloy drawing profiles of present embodiment may further comprise the steps:
A) wire drawing: use drawing wire machine to handle section bar, to produce silking on the section bar surface, select the pulling wheel of Φ 145mm for use, the section bar speed of travel is the 14.5m/ branch, and the pulling wheel rotating speed is 1400 rev/mins;
B) chemical rightenning: use temperature is 105 ℃, solution ratio is every liter, and to contain concentration be 85% phosphoric acid 500ml, concentration is 98% sulfuric acid 400ml, rumbling compound is that the solution of 50g carries out chemical rightenning to section bar, the chemical rightenning time is 15 minutes, form high reflective mirror effect at aluminium material surface, make the stringy lines have stereoscopic sensation, reach the high-decoration requirement;
C) bright dipping: use solution ratio to be every liter and contain NaOH50g, the solution that goes out photo etching 40g soaks section bar 2.5 minutes, with in and the acid solution of section bar remained on surface;
D) anodic oxidation: at tank liquor temperature is 21.5 ℃, and the tank liquor proportioning is every liter and contains H
2SO
4150g, Al
3+Less than 20g, anodic current density is 1.4A/dm
2, oxidation voltage is under the condition of 16V section bar to be carried out anodic oxidation, oxidization time is 22.5 minutes, makes the section bar surface form the transparent oxide film of one deck 10 μ m;
E) sealing of hole: in temperature is 25 ℃, and the tank liquor proportioning is every liter and contains Ni
2+≤ 4g, F
-1Be 0.45g, pH value is under 6 By-03A, the nickelous acetate tank liquor condition section bar to be carried out sealing of hole, and the sealing of hole time is 15 minutes, so that the porous anode oxide film reaches protective effect.
Embodiment 3:
The surface treatment process for high-gloss aluminum alloy drawing profiles of present embodiment may further comprise the steps:
A) wire drawing: use drawing wire machine to handle section bar, to produce silking on the section bar surface, select the pulling wheel of Φ 250mm for use, the section bar speed of travel is the 20m/ branch, and the pulling wheel rotating speed is 1800 rev/mins;
B) chemical rightenning: use temperature is 120 ℃, solution ratio is every liter, and to contain concentration be 85% phosphoric acid 800ml, concentration is 98% sulfuric acid 700ml, rumbling compound is that the solution of 100g carries out chemical rightenning to section bar, the chemical rightenning time is 30 minutes, form high reflective mirror effect at aluminium material surface, make the stringy lines have stereoscopic sensation, reach the high-decoration requirement;
C) bright dipping: use solution ratio to be every liter and contain NaOH 100g, the solution that goes out photo etching 80g soaks section bar 5 minutes, with in and the acid solution of section bar remained on surface;
D) anodic oxidation: at tank liquor temperature is 28 ℃, and the tank liquor proportioning is every liter and contains H
2SO
4200g, Al
3+Less than 20g, anodic current density is 2.0A/dm
2, oxidation voltage is under the condition of 20V section bar to be carried out anodic oxidation, oxidization time is 45 minutes, makes the section bar surface form the transparent oxide film of one deck 15 μ m;
E) sealing of hole: in temperature is 35 ℃, and the tank liquor proportioning is every liter and contains Ni
2+≤ 4g, F
-1Be 0.8g, pH value is under 7 By-03A, the nickelous acetate tank liquor condition section bar to be carried out sealing of hole, and the sealing of hole time is 25 minutes, so that the porous anode oxide film reaches protective effect.
Explanation is at last, above embodiment is only unrestricted in order to the technical scheme of explanation invention, although invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical scheme of invention, and not breaking away from the aim and the scope of invention technical scheme, it all should be encompassed in the middle of the claim scope of invention.
Claims (2)
1. surface treatment process for high-gloss aluminum alloy drawing profiles is characterized in that: may further comprise the steps:
A) wire drawing: use drawing wire machine to handle section bar, to produce silking on the section bar surface, select the pulling wheel of Φ 40～250mm for use, the section bar speed of travel is 5～20m/ branch, and the pulling wheel rotating speed is 1000～1800 rev/mins;
B) chemical rightenning: use temperature is 90～120 ℃, solution ratio is every liter, and to contain concentration be phosphoric acid 200～800ml of 85%, concentration is sulfuric acid 100～700ml of 98%, and rumbling compound is that the solution of 5～100g carries out chemical rightenning to section bar, and the chemical rightenning time is 1～30 minute;
C) bright dipping: use solution ratio to be every liter and contain NaOH 3～100g, the solution that goes out photo etching 5～80g soaks section bar 1～5 minute;
D) anodic oxidation: at tank liquor temperature is 15～28 ℃, and the tank liquor proportioning is every liter and contains H
2SO
4100～200g, Al
3+Less than 20g, anodic current density is 0.8～2.0A/dm
2, oxidation voltage is under the condition of 12～20V section bar to be carried out anodic oxidation, oxidization time is 10～45 minutes, makes the section bar surface form the layer of transparent oxide film;
E) sealing of hole: in temperature is 15～35 ℃, and the tank liquor proportioning is every liter and contains Ni
2+≤ 4g, F
-1Be the pore-sealing liquid of 0.1～0.8g, pH value is under 5.5～7.0 By-03A, the nickelous acetate tank liquor condition section bar to be carried out sealing of hole, and the sealing of hole time is 5～25 minutes.
2. surface treatment process for high-gloss aluminum alloy drawing profiles according to claim 1 is characterized in that: the formed oxide thickness of anodic oxidation step of described high gloss drawing profiles technology is 5～15 μ m.
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| CN 200910191554 CN101845656B (en) | 2009-11-24 | 2009-11-24 | Surface treatment process for high-gloss aluminum alloy drawing profiles |
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| CN 200910191554 CN101845656B (en) | 2009-11-24 | 2009-11-24 | Surface treatment process for high-gloss aluminum alloy drawing profiles |
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| CN102463501A (en) * | 2010-11-18 | 2012-05-23 | 神基科技股份有限公司 | Surface processing method for magnesium alloy object and structure thereof |
| CN102586781A (en) * | 2012-02-06 | 2012-07-18 | 广东步步高电子工业有限公司 | Aluminium alloy surface treatment method |
| CN102925946A (en) * | 2011-08-09 | 2013-02-13 | 佛山市鸿金源铝业制品有限公司 | Aluminum material surface treatment method |
| CN103014628A (en) * | 2012-12-31 | 2013-04-03 | 厦门建霖工业有限公司 | Full-dry wire drawing surface treatment method for metal base material |
| CN103938251A (en) * | 2014-04-02 | 2014-07-23 | 台山市国际交通器材配件有限公司 | Aluminum alloy hub surface anodic oxidation treatment process |
| CN104195615A (en) * | 2014-09-09 | 2014-12-10 | 福建省闽发铝业股份有限公司 | Preparation method of corrosion-proof aluminum section |
| CN105530558A (en) * | 2016-01-29 | 2016-04-27 | 广东欧珀移动通信有限公司 | Method for manufacturing sound box acoustic transmission member and sound box acoustic transmission member |
| CN105624761A (en) * | 2016-01-04 | 2016-06-01 | 瑞声光电科技(常州)有限公司 | Perspiration resisting liquid improving technique for aluminum alloy casing |
| CN107687016A (en) * | 2017-09-02 | 2018-02-13 | 湖南金牛铝业有限公司 | A kind of aluminium alloy extrusions electrophoretic surface handling process |
| CN107893251A (en) * | 2017-12-05 | 2018-04-10 | 湖南航天磁电有限责任公司 | A kind of pre-treating method of 7 line aluminium alloy anodic oxidation |
| CN112210809A (en) * | 2020-09-29 | 2021-01-12 | 九牧厨卫股份有限公司 | Preparation method of silver oxide film |
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| CN1597163A (en) * | 2004-08-05 | 2005-03-23 | 江苏金塔电力器材设备有限公司 | Improved aluminium sheathed steel wiredrawing lubricating technology |
| CN101532142B (en) * | 2009-01-22 | 2011-08-17 | 上海瑞尔实业有限公司 | Novel surface processing technology of ordinary aluminum plate |
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| US8894777B2 (en) | 2010-11-18 | 2014-11-25 | Getac Technology Corporation | Surface treatment method of magnesium alloy article and structure thereof |
| CN102463501A (en) * | 2010-11-18 | 2012-05-23 | 神基科技股份有限公司 | Surface processing method for magnesium alloy object and structure thereof |
| CN102925946A (en) * | 2011-08-09 | 2013-02-13 | 佛山市鸿金源铝业制品有限公司 | Aluminum material surface treatment method |
| CN102925946B (en) * | 2011-08-09 | 2016-05-11 | 佛山市鸿金源精密制造有限公司 | A kind of surface treatment method of aluminium |
| CN102586781A (en) * | 2012-02-06 | 2012-07-18 | 广东步步高电子工业有限公司 | Aluminium alloy surface treatment method |
| CN103014628A (en) * | 2012-12-31 | 2013-04-03 | 厦门建霖工业有限公司 | Full-dry wire drawing surface treatment method for metal base material |
| CN103014628B (en) * | 2012-12-31 | 2014-12-31 | 厦门建霖工业有限公司 | Full-dry wire drawing surface treatment method for metal base material |
| CN103938251B (en) * | 2014-04-02 | 2017-01-18 | 广东迪生力汽配股份有限公司 | Aluminum alloy hub surface anodic oxidation treatment process |
| CN103938251A (en) * | 2014-04-02 | 2014-07-23 | 台山市国际交通器材配件有限公司 | Aluminum alloy hub surface anodic oxidation treatment process |
| CN104195615A (en) * | 2014-09-09 | 2014-12-10 | 福建省闽发铝业股份有限公司 | Preparation method of corrosion-proof aluminum section |
| CN105624761A (en) * | 2016-01-04 | 2016-06-01 | 瑞声光电科技(常州)有限公司 | Perspiration resisting liquid improving technique for aluminum alloy casing |
| CN105530558A (en) * | 2016-01-29 | 2016-04-27 | 广东欧珀移动通信有限公司 | Method for manufacturing sound box acoustic transmission member and sound box acoustic transmission member |
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| CN107687016A (en) * | 2017-09-02 | 2018-02-13 | 湖南金牛铝业有限公司 | A kind of aluminium alloy extrusions electrophoretic surface handling process |
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| CN112210809A (en) * | 2020-09-29 | 2021-01-12 | 九牧厨卫股份有限公司 | Preparation method of silver oxide film |
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Address after: Nanan City Blue Creek East Town Village 362300 Fujian city of Quanzhou province (a) 11 1-3 layer Patentee after: Fujian Minfa Aluminum Inc. Address before: 362300 Comprehensive Development Zone of South America, Fujian, Nanan Patentee before: Fujian Minfa Aluminum Inc. |