Application of gravure ink technology
Gravure ink is produced by running water and can be used in electric engraving plate or laser plate. Shallow plate can improve printing speed and avoid water ripples. For example, deep printing with solvent ink will produce water ripples, and printing with water ink will also produce water ripples. Phenomenon, so it is very important to adopt a good printing plate. Except for metal aluminum foil, vacuum aluminized film, and paper, all plastic films need to be treated with electric spark before printing with ink. The difference between the tension of the ink and the film will affect the adhesion, thereby increasing the surface tension of the plastic film. Can make the pattern have good adhesion after printing.
Before printing, the ink is poured into the ink tank, and the plate is idling for 2-3 minutes. The purpose is to wet the plate and stir it. In the printing process, in order to observe the print, it is necessary to stop printing. Stop turning to avoid plate jams caused by dry plates.
After adjusting the printing viscosity according to the depth of the plate, try not to add tap water during the printing process, just add new ink with the same viscosity, because the ink is in the printing process, so the ink keeps the color of the printed product consistent, and improves the pass rate of the printed product .
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