Flexographic printing requirements for packaging design
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Packaging design is the overall conception and design of a packaged product, generally refers to the overall design of the package made up of the appearance, color, text, trademark, pattern and so on. Packaging through-shadow is the basis of the printing plate, a seemingly good design, the effect after the plate-making can be actually not concept; and some design papers that seem to be less conceptual, due to the requirements of plate making and printing, Sometimes it can also indicate a better effect. Therefore, in the packaging design, when determining the layout of the pattern, the choice of color and the arrangement of the characters, in addition to considering the nature of the product, the aesthetics of the game, the artistic effect, the actual effect after the plate-making is also considered. Below Amway Mall to share the requirements of packaging design for flexo printing.
1. In color use
(1) The structure of the pattern should be clear and concise, the theme is outstanding, and the color is succinct. It is necessary to avoid complicated and complicated composition and warp over a small excess of blocks and excessively complicated overprint lines, so as to avoid the arduousness of the accuracy of plate making. Some of the manuscripts that are working well in the larger version of the book have not been able to achieve good results when added to the small version. The outline and level of the details of this manuscript cannot be reflected in the small version.
(2) Use more spot colors to compensate for the lack of four-color printing. The color of packaging design is a difficult and difficult to master link, and it is prone to cumbersome results. In addition, it is easy to appear that the tone is flat, flat and straight, and the main tone is not prominent, making the package print unattractive. Resist these weaknesses, requiring designers to learn about the color of the printing, accurately control the color of the harmonic warfare, and make the colorful prints with the least amount of color.
(3) Dali can't fight on small prints, outlets and other details on the same plate. If this kind of situation is inevitable (for example, the number of printing machine color groups is limited), even if it is the same color, it is necessary to pay dividends twice, and appropriate consideration should be given to the partial pad. If the ink layer is thin, use the lower mesh number to pass the ink to ensure that the dot printing is clear; the ink layer of the solid version is thick, and the low-number anilox roller is used to transfer ink, and the color is full.
2. At the level of application
(1) The level of the dark warfare should be flat (ie, the level change is less), and the light is about 8% to 10%.
(2) Gradient network only does not use 0-100% gradient layer effect, so as to avoid the light to the end of the net, the dark tone becomes solid.
3. On line warfare word processing
(1) It is not advisable to use text with too small warfare, wide strips ≥0.17, narrow strips ≥0.08, width of independent lines ≥0.2, it is not appropriate to use Song characters, if the printing pressure changes, the figure The text will show a large amount of deformation, making the Yang graphic thicker, and the negative image will become thinner or pass away.
(2) The Yinxian line should not be placed at the screening site.
Avoid designing horizontally small square solid strips along the axis of the printing cylinder. Otherwise, it will cause machine vibration. It should be designed as oblique lines, curves, wave lines and other uncharacteristic curves. This will enable printing during the printing process. The roller is evenly stressed without causing the plate roller to violently jump, thereby greatly improving the printing quality.
(3) Avoid the large circular pattern on the plate. If the plate is elastically stretched or elastically compressed, it will make the polite geometric figure become uncharacteristic and the circle becomes elliptical. Shape, affecting the quality of printing.