1. flexographic printing machine: the machine is simple in structure, so it is easy to operate and maintain. The price of flexographic press with the same function is about 30-50% of that of offset press or gravure press; The genetic material has strong adaptability. Satisfactory printing results can be obtained from 0.22mm plastic film to 10mm corrugated cardboard.
2. relief printing machine: the paper back of the printed matter has slight bulge, the lines or dot edges are neat, and the printing ink appears light in the central part. The bulged edge of the image is under heavy pressure, so there is slight bulge. The ink color is thick (the thickness of the ink layer is about 7 μ m) . It can be printed on rougher substrate. The color reproduction is average.
3. flexographic printing machine: the fluid ink with strong fluidity is used. The ink is transferred from the ink bucket rubber roller and anilox ink transfer roller to the graphic part of the printing plate and inked, and then the printing pressure is applied by the pressing cylinder to transfer the ink on the printing plate to the substrate, and the printing process is completed on the dry surface.
4. relief printing machine: the printing process using lead plate and photosensitive resin plate is: preparation before plate loading - plate loading - Printing - quality inspection.
