a) The flexo version can not only copy the field version but also copy the wire version. The hand-engraved rubber version can only be used to print lines, characters and the field.
Corrugated box printing has evolved from monochromatic and bicolor to multicolor screen printing. This is an inevitable rule. Flexographic version can make the field version and can make cable version, in line with the trend of the times and corrugated paper printing requirements, and the plate making convenient, good quality. 2) Flexographic material can be deformed and deformed. Corrugated paper is the worst error in the thickness and surface flatness of the printed substrate. A material, especially A, C corrugated. The flexographic plate can compensate for the thickness error and surface unevenness of the corrugated paper with its own compression deformation in the printing, thereby satisfying the pressure requirement, making the ink more uniform, improving the quality and reducing the reject rate. Therefore, the flexographic plates used in corrugated boxes are usually relatively thick, typically between 3 and 7 mm in thickness.
3) Flexo printing belongs to light pressure printing due to corrugation, uneven pressure during printing, high pressure at high corrugation, light pressure at low corrugation, and low corrugated paper contact at the lower part of the printing plate. Therefore, the plain printing and gravure printing cannot overcome the defects of thickness error and uneven corrugation, while the flexo printing belongs to light pressure printing (kiss pressure). On the other hand, the printing plate compression can evenly contact the corrugated paper, and the corrugation is not at a height. There will be pressure and traces.
4) Flexographic printing can use water-based ink paper made of fibers intertwined, and its hydrophilicity is better than that of lipophilicity. Therefore, the printing plate needs to be lightly contacted with the corrugated paperboard, and the water-based ink is almost completely absorbed by the corrugated cardboard. Lithography is a long way to pass ink, and the use of water-based ink can be used for the transmission of ink using a metal anilox roller in the flexographic printing.
Water-based inks are not contaminated, have low cost, are quick-drying, and are easy to operate, prompting people to use them.
Therefore, the flexible version of light pressure, water-based ink is an ideal combination of corrugated box printing.
5. The flexo press has a simple structure and is suitable for large corrugated cartons with a large area of ​​2 to 3 meters in length. If an ink transfer system for offset printing is used, the equipment is huge, manufacturing, operation and maintenance are difficult, and the flexo printing press has a simple structure. The four rollers are made into one color group, and the diameter of the rollers is appropriately enlarged, and the mechanical degree and stability can be improved, and the plate loading, adjustment and cleaning are very convenient. As the plates, anilox rollers, and water-based inks are all mature, corrugated cartons are developing rapidly with flexographic printing technology.
VI) Compatible with other processes The production line corrugated board is heavier, and each sheet is labor-intensive and can not meet the requirements of mass production, nor can it form a scale. Due to its simple structure, the flexo printer can be combined with other processes to form a production line, which greatly increases work efficiency and reduces labor intensity. Nowadays, most corrugated box printers are linked with indentation and grooving. The machine with good functions can be connected with indentation, slotting, die cutting, gluing, box making and counting. The machine can be directly transported on the truck. Go, the printing speed is very high.
The above six points indicate that the flexographic printing technology is the most ideal printing method for corrugated cartons, which not only suits the characteristics of corrugated cardboard, but also meets the product quality requirements, and can also form scale production. It is a high-quality, high-speed, and high-efficiency printing method.
Corrugated box printing has evolved from monochromatic and bicolor to multicolor screen printing. This is an inevitable rule. Flexographic version can make the field version and can make cable version, in line with the trend of the times and corrugated paper printing requirements, and the plate making convenient, good quality. 2) Flexographic material can be deformed and deformed. Corrugated paper is the worst error in the thickness and surface flatness of the printed substrate. A material, especially A, C corrugated. The flexographic plate can compensate for the thickness error and surface unevenness of the corrugated paper with its own compression deformation in the printing, thereby satisfying the pressure requirement, making the ink more uniform, improving the quality and reducing the reject rate. Therefore, the flexographic plates used in corrugated boxes are usually relatively thick, typically between 3 and 7 mm in thickness.
3) Flexo printing belongs to light pressure printing due to corrugation, uneven pressure during printing, high pressure at high corrugation, light pressure at low corrugation, and low corrugated paper contact at the lower part of the printing plate. Therefore, the plain printing and gravure printing cannot overcome the defects of thickness error and uneven corrugation, while the flexo printing belongs to light pressure printing (kiss pressure). On the other hand, the printing plate compression can evenly contact the corrugated paper, and the corrugation is not at a height. There will be pressure and traces.
4) Flexographic printing can use water-based ink paper made of fibers intertwined, and its hydrophilicity is better than that of lipophilicity. Therefore, the printing plate needs to be lightly contacted with the corrugated paperboard, and the water-based ink is almost completely absorbed by the corrugated cardboard. Lithography is a long way to pass ink, and the use of water-based ink can be used for the transmission of ink using a metal anilox roller in the flexographic printing.
Water-based inks are not contaminated, have low cost, are quick-drying, and are easy to operate, prompting people to use them.
Therefore, the flexible version of light pressure, water-based ink is an ideal combination of corrugated box printing.
5. The flexo press has a simple structure and is suitable for large corrugated cartons with a large area of ​​2 to 3 meters in length. If an ink transfer system for offset printing is used, the equipment is huge, manufacturing, operation and maintenance are difficult, and the flexo printing press has a simple structure. The four rollers are made into one color group, and the diameter of the rollers is appropriately enlarged, and the mechanical degree and stability can be improved, and the plate loading, adjustment and cleaning are very convenient. As the plates, anilox rollers, and water-based inks are all mature, corrugated cartons are developing rapidly with flexographic printing technology.
VI) Compatible with other processes The production line corrugated board is heavier, and each sheet is labor-intensive and can not meet the requirements of mass production, nor can it form a scale. Due to its simple structure, the flexo printer can be combined with other processes to form a production line, which greatly increases work efficiency and reduces labor intensity. Nowadays, most corrugated box printers are linked with indentation and grooving. The machine with good functions can be connected with indentation, slotting, die cutting, gluing, box making and counting. The machine can be directly transported on the truck. Go, the printing speed is very high.
The above six points indicate that the flexographic printing technology is the most ideal printing method for corrugated cartons, which not only suits the characteristics of corrugated cardboard, but also meets the product quality requirements, and can also form scale production. It is a high-quality, high-speed, and high-efficiency printing method.
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