CN112643013A - Die casting surface anodic treatment process - Google Patents
Die casting surface anodic treatment process Download PDFInfo
- Publication number
- CN112643013A CN112643013A CN202011390069.1A CN202011390069A CN112643013A CN 112643013 A CN112643013 A CN 112643013A CN 202011390069 A CN202011390069 A CN 202011390069A CN 112643013 A CN112643013 A CN 112643013A
- Authority
- CN
- China
- Prior art keywords
- die casting
- spraying
- anodizing process
- die
- casting
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
- B22D31/005—Sealing or impregnating porous castings
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
Abstract
The invention relates to the technical field of die casting surface treatment, in particular to a die casting surface anodic treatment process, which comprises the following steps: die-casting and molding the die casting; cleaning the formed die casting; after cleaning, spraying a spraying layer on the outer surface of the die casting, and filling the surface of the die casting with the spraying layer; polishing or machining the coating on the surface of the die casting after spraying; according to the invention, the spraying layer is sprayed on the surface of the die casting, so that the defects of sand holes, flow marks and the like existing on the surface of the die casting are filled, and the die casting is processed after filling, so that the surface of the die casting is smooth and flat, the stability and reliability of the structure are further ensured, and better surface anodic coloring treatment is carried out.
Description
Technical Field
The invention relates to the technical field of die casting surface treatment, in particular to a die casting surface anodic treatment process.
Background
The die casting is a metal casting process and is characterized in that high pressure is applied to molten metal by utilizing an inner cavity of a die, and a casting has excellent dimensional precision. But the aluminum alloy die casting has the problem of dimension instability caused by the existence of residual stress and unstable structure, and the common dimension stabilization treatment process comprises natural aging, artificial aging, cold treatment and circulating heat treatment, and aims to eliminate the residual stress, stabilize the alloy structure and improve the dimension stability of the component.
Irregular flow patterns or sand holes can be formed on the surface of the die casting after the die casting is formed in a die casting die-casting mode, the flow patterns and the sand holes greatly influence the appearance and the practicability of the die casting, and therefore the reliability of the die casting structure is improved by filling the structure aiming at the flow patterns and the sand holes.
Disclosure of Invention
In order to solve the problems, the invention provides a die casting surface anodic treatment process for spraying a spraying layer on the surface of a die casting, filling the defects of sand holes, flow marks and the like existing on the surface of the die casting, and processing the die casting after filling so as to enable the surface of the die casting to be smooth and flat and further ensure the stable reliability of the structure.
The technical scheme adopted by the invention is as follows: a die casting surface anodic treatment process comprises the following steps:
s1, die-casting the die casting;
s2, cleaning the molded die casting;
s3, spraying a spraying layer on the outer surface of the die casting after cleaning, and filling the surface of the die casting with the spraying layer;
and S4, processing the coating on the surface of the die casting into a bit plane after spraying.
The scheme is further improved in that the die casting is pure aluminum die casting, aluminum alloy die casting, magnesium alloy die casting or zinc alloy die casting.
In a further improvement of the above, in step S3, the spray material is spray-coated on the outer surface of the die casting by cold spraying to form a spray coating.
The further improvement of the scheme is that the spraying material is pure aluminum powder, aluminum alloy powder, titanium alloy powder or stainless steel powder.
The further improvement of the scheme is that the thickness of the spraying layer is 0.01 mm-0.5 mm.
The further improvement of the scheme is that the particle size of the spraying material is 1-20 μm.
In a further improvement of the above solution, in step S3, a spray coating is sprayed on the surface of the die casting, and the spray coating fills up the sand holes and flow marks on the surface of the die casting.
In a further improvement of the above solution, in step S3, the spraying speed of the spraying is greater than 600 m/S.
In a further improvement of the above solution, in step S4, the sprayed layer is processed into a plane surface by polishing or CNC processing.
In a further improvement of the above solution, the method further comprises step S5, performing an anodic treatment or PVD treatment on the coating processed into a flat surface.
The invention has the beneficial effects that:
compared with the traditional die casting surface treatment mode, the invention sprays the spraying layer on the surface of the die casting, fills the defects of sand holes, flow marks and the like on the surface of the die casting, and processes the die casting after filling, so that the surface of the die casting is smooth and flat, and the stability and the reliability of the structure are further ensured. Specifically, die casting is carried out on a die casting; cleaning the formed die casting; after cleaning, spraying a spraying layer on the outer surface of the die casting, and filling the surface of the die casting with the spraying layer; and (5) processing the coating on the surface of the die casting into a bit plane after finishing spraying.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in FIG. 1, the die casting surface anodizing process comprises the following steps:
s1, die-casting the die casting;
s2, cleaning the molded die casting;
s3, spraying a spraying layer on the outer surface of the die casting after cleaning, and filling the surface of the die casting with the spraying layer;
and S4, processing the coating on the surface of the die casting into a bit plane after spraying.
The die casting is pure aluminum die casting, aluminum alloy die casting, magnesium alloy die casting or zinc alloy die casting, certainly not limited to other metal materials, such as cast iron, cast copper and the like, and can also be used for spraying and processing into a plane.
In step S3, the spray material is sprayed and attached to the outer surface of the die casting to form a spray coating through cold spraying, and the spray material is formed on the surface of the die casting in a cold spraying mode, so that the spraying efficiency is high, and the attachment effect is good.
The spraying material is pure aluminum powder, aluminum alloy powder, titanium alloy powder or stainless steel powder, different powders are selected according to different materials for spraying, the adhesion effect is good, and the integrity is strong.
The thickness of the spraying layer is 0.01 mm-0.5 mm, the thickness is preferably 0.1 mm-0.2 mm, the adhesion effect is good, and the spraying efficiency is high.
The grain diameter of the spraying material is 1-20 μm. The diameter of the powder spraying particles can be selected according to different product requirements, and better adhesion in the spraying process can be ensured.
And step S3, spraying a spraying layer on the surface of the die casting, wherein the spraying layer fills sand holes and flow marks on the surface of the die casting, fills uneven and irregular surfaces such as the sand holes and the flow marks through spraying, and is processed into a flat surface after filling.
In the step S3, the spraying speed is more than 600m/S, and the spraying speed of more than 600m/S can ensure that the sprayed powder particle adhesion effect is better.
In step S4, the spray coating is processed into a plane by polishing or CNC processing; the processing of the spray coating to form a plane is facilitated.
The method also comprises a step S5 of anodizing the coating processed into the plane, and ensuring the reliability of the structure and convenient and various coloring after the coating is processed into the plane.
PVD processing, PVD refers to a thin film preparation technique that physically deposits material on a workpiece to be plated under vacuum.
According to the invention, the upper spraying layer is sprayed on the surface of the die casting, so that the defects of sand holes, flow marks and the like existing on the surface of the die casting are filled, and the die casting is processed after filling, so that the surface of the die casting is smooth and flat, and the stability and reliability of the structure are further ensured. Specifically, die casting is carried out on a die casting; cleaning the formed die casting; after cleaning, spraying a spraying layer on the outer surface of the die casting, and filling the surface of the die casting with the spraying layer; and (5) processing the coating on the surface of the die casting into a bit plane after finishing spraying.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The die casting surface anodic treatment process is characterized by comprising the following steps: the method comprises the following steps:
s1, die-casting the die casting;
s2, cleaning the molded die casting;
s3, spraying a spraying layer on the outer surface of the die casting after cleaning, and filling the surface of the die casting with the spraying layer;
and S4, polishing or machining the coating on the surface of the die casting after spraying.
2. The die casting surface anodizing process of claim 1, wherein: the die casting is pure aluminum die casting, aluminum alloy die casting, magnesium alloy die casting or zinc alloy die casting.
3. The die casting surface anodizing process of claim 1, wherein: in the step S3, the spray material is spray-coated on the outer surface of the die casting by cold spraying to form a spray coating.
4. The die casting surface anodizing process of claim 3, wherein: the spraying material is pure aluminum powder, aluminum alloy powder, titanium alloy powder or stainless steel powder.
5. The die casting surface anodizing process of claim 1, wherein: the thickness of the spraying layer is 0.01 mm-0.5 mm.
6. The die casting surface anodizing process of claim 1, wherein: the particle size of the spraying material is 1-20 μm.
7. The die casting surface anodizing process of claim 1, wherein: in step S3, a spray coating is sprayed on the surface of the die casting, and the spray coating fills up the sand holes and the flow lines on the surface of the die casting.
8. The die casting surface anodizing process of claim 1, wherein: in step S3, the spraying speed is higher than 600 m/S.
9. The die casting surface anodizing process of claim 1, wherein: in the step S4, the sprayed layer is processed into a plane by polishing or CNC processing.
10. The die casting surface anodizing process of claim 1, wherein: the method also comprises a step S5 of carrying out anode treatment or PVD treatment on the coated product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011390069.1A CN112643013A (en) | 2020-12-02 | 2020-12-02 | Die casting surface anodic treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011390069.1A CN112643013A (en) | 2020-12-02 | 2020-12-02 | Die casting surface anodic treatment process |
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| Publication Number | Publication Date |
|---|---|
| CN112643013A true CN112643013A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011390069.1A Pending CN112643013A (en) | 2020-12-02 | 2020-12-02 | Die casting surface anodic treatment process |
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| CN (1) | CN112643013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082959A (en) * | 2021-11-23 | 2022-02-25 | 国铭铸管股份有限公司 | Surface treatment process for nodular cast pipes |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628059A (en) * | 2012-08-29 | 2014-03-12 | 汉达精密电子(昆山)有限公司 | High texture magnesium alloy surface treatment method and product thereof |
| CN103628116A (en) * | 2012-08-29 | 2014-03-12 | 汉达精密电子(昆山)有限公司 | Die casting surface treatment method and product thereof |
| CN103623986A (en) * | 2012-08-29 | 2014-03-12 | 汉达精密电子(昆山)有限公司 | Pressure casting surface processing method and product produced through method |
| CN103623985A (en) * | 2012-08-29 | 2014-03-12 | 汉达精密电子(昆山)有限公司 | Pressure casting surface processing method and product produced through method |
| CN105862025A (en) * | 2016-05-12 | 2016-08-17 | 安徽纯启动力机械有限公司 | Phosphorization surface treatment technique for aluminum alloy die casting |
| CN105862024A (en) * | 2016-05-12 | 2016-08-17 | 安徽纯启动力机械有限公司 | Environment-friendly surface treatment technique for aluminum alloy die casting |
| CN105862027A (en) * | 2016-05-12 | 2016-08-17 | 安徽纯启动力机械有限公司 | Surface treatment technique for aluminum alloy die casting |
| CN107245745A (en) * | 2017-06-12 | 2017-10-13 | 歌尔股份有限公司 | Die casting surface treatment method and die casting |
| CN108355931A (en) * | 2018-02-11 | 2018-08-03 | 佛山市南海区合亿金属制品有限公司 | A kind of die casting process of surface treatment |
| JP2020125526A (en) * | 2019-02-06 | 2020-08-20 | 学校法人 龍谷大学 | Carbon fiber three dimensional structure and method for manufacturing the same |
-
2020
- 2020-12-02 CN CN202011390069.1A patent/CN112643013A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628059A (en) * | 2012-08-29 | 2014-03-12 | 汉达精密电子(昆山)有限公司 | High texture magnesium alloy surface treatment method and product thereof |
| CN103628116A (en) * | 2012-08-29 | 2014-03-12 | 汉达精密电子(昆山)有限公司 | Die casting surface treatment method and product thereof |
| CN103623986A (en) * | 2012-08-29 | 2014-03-12 | 汉达精密电子(昆山)有限公司 | Pressure casting surface processing method and product produced through method |
| CN103623985A (en) * | 2012-08-29 | 2014-03-12 | 汉达精密电子(昆山)有限公司 | Pressure casting surface processing method and product produced through method |
| CN105862025A (en) * | 2016-05-12 | 2016-08-17 | 安徽纯启动力机械有限公司 | Phosphorization surface treatment technique for aluminum alloy die casting |
| CN105862024A (en) * | 2016-05-12 | 2016-08-17 | 安徽纯启动力机械有限公司 | Environment-friendly surface treatment technique for aluminum alloy die casting |
| CN105862027A (en) * | 2016-05-12 | 2016-08-17 | 安徽纯启动力机械有限公司 | Surface treatment technique for aluminum alloy die casting |
| CN107245745A (en) * | 2017-06-12 | 2017-10-13 | 歌尔股份有限公司 | Die casting surface treatment method and die casting |
| CN108355931A (en) * | 2018-02-11 | 2018-08-03 | 佛山市南海区合亿金属制品有限公司 | A kind of die casting process of surface treatment |
| JP2020125526A (en) * | 2019-02-06 | 2020-08-20 | 学校法人 龍谷大学 | Carbon fiber three dimensional structure and method for manufacturing the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082959A (en) * | 2021-11-23 | 2022-02-25 | 国铭铸管股份有限公司 | Surface treatment process for nodular cast pipes |
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Application publication date: 20210413 |
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| RJ01 | Rejection of invention patent application after publication |