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Technique for coating aluminum panel with orange-peel finish

An orange-shaped, panel technology, applied in the pretreatment surface, the device for coating liquid on the surface, the coating and other directions, can solve the problems of unsatisfactory bonding, increase the difficulty of operation, affect the production efficiency, etc., to improve the strength, surface Uniform and consistent results

Inactive Publication Date: 2016-03-30
安徽长安专用汽车制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bonding between the film layer formed by the prior art treatment solution and the aluminum substrate is not ideal. Therefore, when using the treatment solution for oxidation treatment, strict control of process conditions is required, which increases the difficulty of operation and affects production. efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0032] The process of spraying orange-shaped paint on aluminum panels is characterized in that it comprises the following steps:

[0033] 1) Degreasing: first degrease the workpiece with a chemical solvent;

[0034] 2) Drying and grinding: the workpiece is dried at a temperature of 48°C, and the workpiece is polished with No. 0 iron sandpaper after drying;

[0035] 3) Spray primer: remove dust from the workpiece with a clean brush or soft cloth, spray zinc yellow primer in the spray booth, the air pressure of spray paint is 0.588Mpa, and the paint viscosity is 16-24S.

[0036] 4) Drying treatment: Put the primer-sprayed workpiece into an oven for drying for 1 hour at a temperature of 120° C. If placed in a drying room for drying for 3 hours, the temperature is 70° C.;

[0037] 5) Putty scraping: scrape the alkyd self-drying putty on the workpiece with a scraper on the workbench, and dry it at room temperature;

[0038] 6) Grinding and brushing the primer: Grinding with No. 3...

Embodiment 3

[0045] The process of spraying orange-shaped paint on aluminum panels is characterized in that it comprises the following steps:

[0046] 1) Degreasing: first degrease the workpiece with a chemical solvent;

[0047] 2) Drying and grinding: the workpiece is dried at a temperature of 45°C, and the workpiece is polished with No. 0 iron sandpaper after drying;

[0048] 3) Spray primer: remove dust from the workpiece with a clean brush or soft cloth, spray zinc yellow primer in the spray booth, the air pressure of spray paint is 0.588Mpa, and the paint viscosity is 24S.

[0049] 4) Drying treatment: Put the primer-sprayed workpiece into an oven for drying for 1 hour at a temperature of 120° C. If placed in a drying room for drying for 3 hours, the temperature is 70° C.;

[0050] 5) Putty scraping: scrape the alkyd self-drying putty on the workpiece with a scraper on the workbench, and dry it at room temperature;

[0051] 6) Grinding and brushing the primer: Grinding with No. 320 ...

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PUM

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Abstract

The invention discloses a technique for coating an aluminum panel with orange-peel finish. The technique comprises the steps of deoiling, drying, polishing, primer spraying, treatment through a plurality of layers of finish paint, drying and storage. After aluminum alloy is coated with the orange-peel finish, the surface is more uniform and compact, polishing is conducted after puttying is conducted for multiple times, and then oil paint is sprayed onto the surface of the aluminum alloy, so that the strength of direct bonding between the oil paint layer and the aluminum surface is improved, the oil paint coating effect on the surface of the aluminum alloy is beautified, and the consistency of product surface appearances after spraying is guaranteed.

Description

technical field [0001] The invention relates to a paint spraying treatment process, in particular to an orange-shaped paint spraying process on an aluminum panel. Background technique [0002] As a widely used industrial material, aluminum alloy is favored by various industries such as aerospace, automobile, refrigeration industry, precision instrument, etc. and other widespread attention. Due to the low surface hardness of aluminum alloy, it is easy to be worn, therefore, surface treatment is often required after aluminum parts are processed. In the prior art, the most common surface treatment is chemical oxidation treatment using an oxidation treatment solution. The bonding between the film layer formed by the prior art treatment solution and the aluminum substrate is not ideal. Therefore, when using the treatment solution for oxidation treatment, it is necessary to strictly control the process conditions, which increases the difficulty of operation and affects the produ...

Claims

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Application Information

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IPC IPC(8): B05D7/14B05D3/12B05D3/02
Inventor 王笃山孔元
Owner 安徽长安专用汽车制造有限公司
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