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In response to this situation, in order to reduce the amount of deformation of the printing plate and improve the quality of the final print, people have taken corresponding measures. The first is to use thin-plate technology in the printing of corrugated cardboard.
Secondly, it is the improvement of the photopolymer and the standardization of the media system. At present, this kind of plate material used in corrugated board printing has already been put on the market, and has been constantly improving and perfecting in terms of exposure latitude, thus improving the quality of cardboard print. This makes the thin plate technology of corrugated cardboard favored by people.
Control the effects of brush plate development and dot gain
When printing a corrugated cardboard with a flexographic printing method, in order to eliminate the influence of the printing plate (washing development), it is necessary to adjust the printing pressure slightly higher, which inevitably results in the expansion of the dot. In general, the greater the deformation of the printing plate, the more serious the dot expansion phenomenon after printing and the quality of the final printing product, so it is only possible to print low-line images and thicker negative texts, and it is impossible to carry out printing. Fine graphic printing.