now small roll coater coating process to replace the traditional manual spraying, mainly reflected in its advantage, roller coated method basically is suitable for large area coating of plate and strip, the floor board, melamine board, ambry, density board, coil, plywood, paper, cloth, plastic film, such as flat plate for the coating of uv curing coating, roller coating coating with high efficiency, easy to realize continuous production, the appearance quality of the coating were better, film thickness control easily, and the advantages of low pollution and can and printing, its defect is too narrow to be the shape of the coating requirement, can't coating stereo artifacts, equipment investment is large. at the same time, the small roller coating machine in the coating process, can be divided into two points, coating viscosity adjustment and film thickness control. they all have different characteristics, such as: coating viscosity adjustment, the viscosity of the coating on the uniformity of the film and film thickness; and coating thickness control, coating thickness is easy to control roller coating method is one of the advantages, in addition to the aforementioned adjustment of coating viscosity can control the thickness, but also by adjusting the speed of the roller or the distance between the coating roller to achieve. it can be seen that the characteristics of the two types of small roller coating machine coating process is different.
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