Mirror process method of automobile coating

A process method and coating technology, applied in metal material coating process, device for coating liquid on the surface, coating, etc., can solve the problems affecting the appearance of the whole vehicle, reducing the quality perceived by customers, etc., and achieve texture improvement, target Clear and delicate visual effects

Inactive Publication Date: 2020-01-14
CHINA FIRST AUTOMOBILE
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  • Summary
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the existing coating process is prone to produce "orange peel structure",

Method used

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Example Embodiment

[0059] The technical solution of the present invention will be further explained and described in the form of specific embodiments below.

[0060] The method of the present invention mainly includes three steps: electrophoresis, intermediate coating and paint spraying. The paint spraying process is divided into multiple procedures, which are specifically as follows:

[0061] 1. Electrophoresis

[0062] 1) Manual pre-cleaning: Use a high-pressure water gun to spray pre-clean the inner and outer surfaces of the car body. After cleaning, there is no obvious oil, dust, iron filings and impurities; the injection pressure of the high-pressure water gun is: 50-100bar, and the water tank temperature of the high-pressure water gun is 40- 47°C;

[0063] 2) Pre-degreasing: Immerse the car body in a pre-degreasing bath with a total alkali point of 8-15 and a pH value of 10-13. The bath temperature is maintained at 50-57°C, and the immersion time: 278s

[0064] 3) Degreasing: Immerse the car body in a

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Abstract

The invention discloses a mirror process method of automobile coating, and belongs to the technical field of automobile body coating. The problems that the appearance of an entire automobile is affected and the perceived quality of customers is reduced due to the fact that an existing coating process method is prone to generating "orange peel structure" are solved. The mirror process method mainlyincludes the three major steps of electrophoresis, middle coating and color paint spraying, wherein the step of color paint spraying is divided into multiple processes including color paint spraying,multiple varnish spraying, drying, polishing and other steps during the process. Obtained products are high in gloss, from data of short-waves and long-waves, the fine orange peel structure can onlybe observed only when observing is carried out at a short distance, the flatness is very high, the effect of looking at a mirror can achieved, and the appearance of the entire automobile is significantly improved.

Description

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Claims

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Application Information

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Owner CHINA FIRST AUTOMOBILE
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