For wine box packaging, the structure and prepress design are critical, but the design of the production process and the quality of the wine box packaging are also inseparable. How to make a wine box packaging that makes customers feel good and good, please take a look at the following suggestions.
Printing process
Offset printing can print beautiful multi-level patterns to achieve accurate multi-color overprinting, but color difference is easy to produce between batches, difficult to control; gravure ink layer is thick and full, color is stable; screen printing ink layer is thick, feel good, strong stereoscopic effect, The effect is diverse; the flexo process is flexible, but multicolor overprinting is not its long term. Wine packaging design should be integrated application of technology to advantage.
For example: our company has 8 color printing machines, 7 color printing machines, and 1 monochrome gravure printing machine. Now we need to produce wine box packaging paper. The process requires printing C, M, Y, K, spot color blue, special Color gold, full version of pearl, full version of matte oil, of which the special color blue to print a large area of ​​dark ground, matte oil needs to be completed with a printing unit.
There are three choices in the process design: 1 direct printing with 8-color printing machine; 2 printing with spot color blue with monochromatic gravure printing machine, then printing with 7-color printing machine; 3 printing directly with 8-color machine, but changing the process design For: C, M, Y, K, spot color gold, spot color blue, spot color blue, full version of matte oil (adding offset pearlescent ink to matt oil).
It is not difficult to see that the first choice is not good, because it is necessary to use a special color blue to achieve a large area of ​​dark solid, only one unit of the offset printing machine, the ink layer is not thick enough, the hue is not saturated, and the expected effect is not achieved; The two schemes are better, but the process is increased; the third option is the best. Printing the spot color blue through two units not only ensures the quality, but also reduces the process and equipment investment and shortens the production cycle. However, the general workshop operators and quality control personnel lack the process integration design capability, which needs to be completed by professional designers.
Postpress process
The printing industry often uses film coating to protect the printed products, enhance the wear resistance of the printed products, and protect the edges and edges of the printed products. Nowadays, a new type of coating process using PUR adhesive is introduced, but the matching machine is expensive. At present, the traditional water-based adhesive and oil-based adhesive are mainly used in the industry, but the printed product is easily deformed after being coated. The process brings trouble and the loss is high. The screen printing process after film coating generally requires the surface tension of the film to be above 38mN/m. Otherwise, the adhesion of the screen printing ink will be deteriorated, and the ink will be easily lost; the matching requirements for the hot stamping material will be correspondingly improved after the film is coated.
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