介绍了水性免中涂工艺的应用背景和工艺路线,着重介绍了浅色漆在免中涂工艺的调试验证过程,针对内板电泳漆遮盖不良、外板颜色差异大及二次喷涂面漆时内板润湿性差等问题进行真因分析,制定了解决措施,对水性免中涂工艺的设计提出了建议。

The application background and process route of waterborne B1B2 process are introduced. The debugging and verification process of light color paint is introduced in detail. In the light of the analysis of the problems such as poor covering of the inner plate electrophoretic paint, the difference in the color of the outer plate and the poor wettability of the inner plate during the secondary spraying, the solution measures are set up, and the proposal for the design of the water-based B1B2 process is put forward.