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Mobilephoneshellsprayingequipment

Country/Region china
Company Dongguan Yingli coating equipment Co., Ltd.
Categories Rubber Hose Production Line
ICP License Issued by the Chinese Ministry
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Mobilephoneshellsprayingequipment


Mobilephoneshellsprayingequipment
Mobile phone shell spraying equipment production line
Seven introduction of coating process of mobile phone shell:
1. paint primers and finishes are different from metals, and they must be cured at low temperatures (usually 60~80 degrees Celsius). Commonly used topcoat materials are polyurethane (PU) and acrylic resin coating. Anhui high speed requires a layer of silver paint on the top of the transparent finish coat when it needs to be coated with a metallic luster. In order to increase the wear resistance of UV curing coating surface, usually on the outer surface to spray a layer of UV curing coating. The brightness required by different proportion of high UV light UV and Matt UV prepared to meet.
2., spraying method, plastic parts spraying process is divided into manual spraying and automatic spraying two kinds.
Hand painting: coating thickness and quality are not easy to control. Mainly used for initial batching, test spraying and internal surface conductive paint spraying.
Automatic spraying: there are many guns (6 guns and 8 guns, etc.) spraying. Different spraying angles are adjusted so as to achieve uniform spraying surface thickness and also to spray with manipulator.
Note: before spraying, the material code, color and surface roughness must be determined.
3., coating thickness in order to make the coating color in the gloss, wear-resistant and other aspects of quality stability, we must control the coating thickness. Coating thickness measurement can be directly measured by coating thickness gauge. Spray silver primer (for the performance of metallic luster) thinner, generally 3~5: M: topcoat coating thickness is generally 8~10, M: coating thickness is generally 8~15, M.
4. color and brightness can be detected by colorimeter and luminance meter. This method can quantify data, but its accuracy is poor. Usually the swatches are checked by comparison.
5. color design department signed by the color code and other ways of coating color and color brightness requirements, by coating manufacturers (or with the coating manufacturer) coating and spray test in automatic spraying line. Comprehensive wiring by the design department to test jet samples for comprehensive testing, after the approval of the sample, and determine the paint code. If the design requirements are not met, the process can be determined after many times of repetition.
6. wear resistance and anti stripping test, on the "RCA wear tester" tape wear-resistant test, anti peel strength test with 100 knives and 3M tape to check the percentage of coating off to determine.
7. paint manufacturers at present, domestic and foreign paint manufacturers are many, they produce paint, paint each have characteristics, can be selected according to need.
一:Powder coating equipment
一:Spraying equipment
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