CN104073858A - Surface treatment process for aluminum material - Google Patents
Surface treatment process for aluminum material Download PDFInfo
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- CN104073858A CN104073858A CN201410302241.1A CN201410302241A CN104073858A CN 104073858 A CN104073858 A CN 104073858A CN 201410302241 A CN201410302241 A CN 201410302241A CN 104073858 A CN104073858 A CN 104073858A
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Abstract
The invention provides a surface treatment process for an aluminum material, relating to the technical field of surface treatment. The surface treatment process comprises the following steps of hanging tool regulating and product hanging; oil removal treatment; enamel removal treatment; oxidation treatment; hole sealing treatment; drying and packaging. The aluminum material treated by using the surface treatment process has favorable corrosion resistance; a salt spray test proves that the aluminum material has no any corrosion points within 480h and the cleaning effect is better than that of a common cleaning solution, so that the cleaning efficiency of the aluminum material is increased.
Description
Technical field
The present invention relates to a kind of technical field of surface, particularly relate to a kind of aluminium material surface treatment process.
Background technology
In daily life, the application of aluminium is ubiquitous, and especially, along with the development of mobile communication cause, the application of aluminium is more extensive, as adopted aluminium to manufacture housing or the component etc. of electronic product.Aluminium is in the process of processing; aluminium material surface often can have greasy dirt etc.; if aluminium is in the punching course of mould; often can stick the mist of oil that has the grease on punching pin or swim in workshop air and be deposited on aluminium material surface; so, aluminium be coated with before the techniques such as paint, welding or direct-assembling to product, need to first remove surperficial greasy dirt; and current aluminum product cleaning process not only step is many, and process is very loaded down with trivial details.
Summary of the invention
For the weak point existing in the problems referred to above, the invention provides a kind of aluminium material surface treatment process, make the aluminium of its processing there is good corrosion resistance nature, interior without any hot spot through SaltSprayTest 480h, and better than general scavenging solution cleaning performance, thereby improve the efficiency of cleaning aluminium.
In order to address the above problem, the invention provides a kind of aluminium material surface treatment process, wherein, comprise the following steps:
S10, adjustment hanger, hang on product;
S20, oil removal treatment;
S30, except optical processing;
S40, oxide treatment;
S50, sealing of hole processing;
S60, dry encapsulation.
Preferably, in described step S20, comprise the following steps:
S201, in strong alkali solution clean the waste oil treatment above aluminium: operation crown block, enters alkali drill traverse by aluminium wet, then enters alkali lye erosion and wash 15 minutes;
In the process of S202, operation crown block, keep operation handle arm dry, insulation is good; Make electronic calabash smooth running, stop to move up and down; Between upper and lower button, be provided with gap;
After S203, erosion wash into, aluminium enters in the tank of alkali groove side successively, by clear water, aluminium is cleaned.
Preferably, in described step S20, described strong alkali solution is made up of sodium hydroxide and sodium nitrate solution, contains sodium hydroxide 15～35g in every liter of strong alkali solution, SODIUMNITRATE 3～7g, and temperature of reaction is 20～45 DEG C, the reaction times is 30～60s.
Preferably, in described step S30, comprise the following steps:
S301, the aluminium cleaning is later entered except in light groove, after 6 minutes, aluminium is taken out;
S302, the aluminium after taking out is entered in tank and thoroughly cleaned up.
Preferably, in described step S30, described except light groove be nitric acid groove, the mass concentration of described salpeter solution is 16.5～18.5%, the temperature of salpeter solution is 18～22 DEG C.
Preferably, in described step S40, comprise the following steps:
S401, put into oxidation trough and be oxidized 80-90 minute cleaning aluminium later, electric current is 750A, and temperature remains on 28 degree, with air compressor machine, tank liquor is stirred during this time;
S402, be oxidized out after groove, clean successively by three Rinsing Areas, finally with clear water, aluminium is rinsed well.
Preferably, in described step S40, being formulated as of described oxidation trough: the volume that first calculates solution, water is added to required basic volume, then the sulfuric acid calculating is slowly added in groove water, and stir, then use proportion in specific gravity hydrometer measuring reservoir, proportion is 15-20%.
Preferably, in described step S50, the aluminium after oxidation is immersed in to nickel acetate aqueous solution sealing of hole, temperature of reaction is 15～30 DEG C, and the sealing of hole time is at 12～16min.
Preferably, in described step S60, comprise the following steps:
Aluminium is dried, after the success of examination China ink, cut into slices, drawing, mounting processing.
Compared with prior art, the present invention has the following advantages:
According to disposal methods aluminium of the present invention, aluminium has good corrosion resistance nature, interior without any hot spot through SaltSprayTest 480h, and better than general scavenging solution cleaning performance, thereby has improved the efficiency of cleaning aluminium.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the present invention;
Fig. 2 is embodiments of the invention schematic flow sheets.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and example, the present invention is described in further detail, but example is not as a limitation of the invention.
As depicted in figs. 1 and 2, embodiments of the invention comprise the following steps:
S10, adjustment hanger, hang on product;
Regulate and clear up hanger, will on aluminium, hang on corresponding hanger, guarantee that conduction is good.
S20, oil removal treatment;
Further, in described step S20, comprise the following steps:
S201, in strong alkali solution clean the waste oil treatment above aluminium: operation crown block, enters alkali drill traverse by aluminium wet, then enters alkali lye erosion and wash 15 minutes;
In the process of S202, operation crown block, keep operation handle arm dry, insulation is good; Make electronic calabash smooth running, stop to move up and down; Between upper and lower button, be provided with gap;
After S203, erosion wash into, aluminium enters in the tank of alkali groove side successively, by clear water, aluminium is cleaned.
Further, in described step S20, described strong alkali solution is made up of sodium hydroxide and sodium nitrate solution, contains sodium hydroxide 15～35g in every liter of strong alkali solution, SODIUMNITRATE 3～7g, and temperature of reaction is 20～45 DEG C, the reaction times is 30～60s.
S30, except optical processing;
Further, in described step S30, comprise the following steps:
S301, the aluminium cleaning is later entered except in light groove, after 6 minutes, aluminium is taken out;
S302, the aluminium after taking out is entered in tank and thoroughly cleaned up.
Further, in described step S30, described except light groove be nitric acid groove, the mass concentration of described salpeter solution is 16.5～18.5%, the temperature of salpeter solution is 18～22 DEG C.
S40, oxide treatment;
Further, in described step S40, comprise the following steps:
S401, put into oxidation trough and be oxidized 80-90 minute cleaning aluminium later, electric current is 750A, and temperature remains on 28 degree, with air compressor machine, tank liquor is stirred during this time;
S402, be oxidized out after groove, clean successively by three Rinsing Areas, finally with clear water, aluminium is rinsed well.
Further, in described step S40, being formulated as of described oxidation trough: the volume that first calculates solution, water is added to required basic volume, then the sulfuric acid calculating is slowly added in groove water, and stir, then use proportion in specific gravity hydrometer measuring reservoir, proportion is 15-20%.
S50, sealing of hole processing;
Further, in described step S50, the aluminium after oxidation is immersed in to nickel acetate aqueous solution sealing of hole, temperature of reaction is 15～30 DEG C, and the sealing of hole time is at 12～16min.
S60, dry encapsulation.
Further, in described step S60, comprise the following steps:
Aluminium is dried, after the success of examination China ink, cut into slices, drawing, mounting processing.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an aluminium material surface treatment process, is characterized in that, comprises the following steps:
S10, adjustment hanger, hang on product;
S20, oil removal treatment;
S30, except optical processing;
S40, oxide treatment;
S50, sealing of hole processing;
S60, dry encapsulation.
2. aluminium material surface treatment process as claimed in claim 1, is characterized in that, in described step S20, comprises the following steps:
S201, in strong alkali solution clean the waste oil treatment above aluminium: operation crown block, enters alkali drill traverse by aluminium wet, then enters alkali lye erosion and wash 15 minutes;
In the process of S202, operation crown block, keep operation handle arm dry, insulation is good; Make electronic calabash smooth running, stop to move up and down; Between upper and lower button, be provided with gap;
After S203, erosion wash into, aluminium enters in the tank of alkali groove side successively, by clear water, aluminium is cleaned.
3. aluminium material surface treatment process as claimed in claim 2, it is characterized in that, in described step S20, described strong alkali solution is made up of sodium hydroxide and sodium nitrate solution, in every liter of strong alkali solution, contain sodium hydroxide 15～35g, SODIUMNITRATE 3～7g, temperature of reaction is 20～45 DEG C, the reaction times is 30～60s.
4. aluminium material surface treatment process as claimed in claim 1, is characterized in that, in described step S30, comprises the following steps:
S301, the aluminium cleaning is later entered except in light groove, after 6 minutes, aluminium is taken out;
S302, the aluminium after taking out is entered in tank and thoroughly cleaned up.
5. aluminium material surface treatment process as claimed in claim 4, is characterized in that, in described step S30, described except light groove be nitric acid groove, the mass concentration of described salpeter solution is 16.5～18.5%, the temperature of salpeter solution is 18～22 DEG C.
6. aluminium material surface treatment process as claimed in claim 1, is characterized in that, in described step S40, comprises the following steps:
S401, put into oxidation trough and be oxidized 80-90 minute cleaning aluminium later, electric current is 750A, and temperature remains on 28 degree, with air compressor machine, tank liquor is stirred during this time;
S402, be oxidized out after groove, clean successively by three Rinsing Areas, finally with clear water, aluminium is rinsed well.
7. aluminium material surface treatment process as claimed in claim 6, it is characterized in that, in described step S40, being formulated as of described oxidation trough: the volume that first calculates solution, water is added to required basic volume, then the sulfuric acid calculating is slowly added in groove water, and stir, then use proportion in specific gravity hydrometer measuring reservoir, proportion is 15-20%.
8. aluminium material surface treatment process as claimed in claim 1, is characterized in that, in described step S50, the aluminium after oxidation is immersed in to nickel acetate aqueous solution sealing of hole, and temperature of reaction is 15～30 DEG C, and the sealing of hole time is at 12～16min.
9. aluminium material surface treatment process as claimed in claim 1, is characterized in that, in described step S60, comprises the following steps:
Aluminium is dried, after the success of examination China ink, cut into slices, drawing, mounting processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302241.1A CN104073858A (en) | 2014-06-27 | 2014-06-27 | Surface treatment process for aluminum material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410302241.1A CN104073858A (en) | 2014-06-27 | 2014-06-27 | Surface treatment process for aluminum material |
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| CN201410302241.1A Pending CN104073858A (en) | 2014-06-27 | 2014-06-27 | Surface treatment process for aluminum material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394777A (en) * | 2006-02-28 | 2009-03-25 | Bsh博施及西门子家用器具有限公司 | Filter for a vacuum cleaner |
| CN102312259A (en) * | 2011-09-22 | 2012-01-11 | 珠海市赛日包装材料有限公司 | Preparation method of aluminium or aluminium alloy anodic oxide film |
| 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 |
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2014
- 2014-06-27 CN CN201410302241.1A patent/CN104073858A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394777A (en) * | 2006-02-28 | 2009-03-25 | Bsh博施及西门子家用器具有限公司 | Filter for a vacuum cleaner |
| 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 |
| CN102312259A (en) * | 2011-09-22 | 2012-01-11 | 珠海市赛日包装材料有限公司 | Preparation method of aluminium or aluminium alloy anodic oxide film |
Non-Patent Citations (2)
| Title |
|---|
| 周国新等: "铝合金阳极氧化膜中温无氟封孔剂", 《轻合金加工技术》, vol. 40, no. 8, 31 December 2012 (2012-12-31), pages 60 - 62 * |
| 郭贤烙等: "铝及铝合金阳极氧化膜常温封闭技术", 《材料保护》, vol. 34, no. 5, 31 May 2001 (2001-05-31), pages 30 - 31 * |
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Application publication date: 20141001 |