Introduction to the printing plate method used in gravure printing machines
Release time:2025-05-19
Gravure printing presses use a direct, cylinder-to-cylinder printing method. The printing plate is made directly on the printing cylinder, and ink is applied using an inking or inkjet method; there is no inking unit. Due to the thick ink layer, fast-drying volatile inks are used, requiring a drying device.
The main feature of a gravure printing press is that the image and text areas on the printing plate are recessed, while the blank areas are raised, the opposite of the plate structure of a letterpress printing machine. When printing in a single color, the printing plate is first rolled in the ink trough, coating the entire surface of the plate with a layer of ink. Then, the ink layer on the blank areas of the printing plate is scraped off, leaving the raised areas blank and the recessed areas filled with ink; the deeper the recess, the thicker the ink layer. The machine transfers the ink from the recessed areas to the printed material through pressure, thus producing the printed product.
When printing in multiple colors, overprinting or indirect partial inking methods are used to distribute the inks of various colors to the relevant parts of the printing plate surface as needed. The basic printing principle for multiple colors is the same as for single-color printing. There are two main types of printing plates used in gravure printing presses: photogravure plates (photo-etched plates) and engraved plates. Engraved plates can be produced using manual engraving, mechanical engraving, and electronic engraving methods.
Previous Page
Related Information
The drying of the ink must be well controlled.
Introduction to the printing plate method used in gravure printing machines
Sunway Precision Technology (Guangdong) Co., LTD
No. 3, Shangqiao Industrial Road, Dongcheng Street, Dongguan City
Tel: 86-769-23068889