The relationship between packaging design and printing
Many Fuji Xerox, such as packaging materials, packaging structures, graphic design and production processes. Therefore, packaging design in developed countries is usually done by a team of professionals who understand packaging materials and structures, as well as graphic designers and salespeople. The design will also adopt the participation screen from the production enterprise engineers, and strive to make the design works perfect and can be realized in production. However, there are many problems in the field of packaging design in China, mainly as heavy plane, light structure; heavy design effect map printing, light production process and so on. The direct cause of these problems is that China's packaging design is mainly done by art designers. Because they are from the art profession, they have great limitations in the understanding of materials, structures and processing techniques.
An important principle of printed packaging design is that the design must be achievable in production. Therefore, the designer must be aware of the problems that may arise during the design process and the printing process. The following are common quality problems that arise in printing due to improper design, and the relationship between packaging design and printing is analyzed through these quality issues.
First. Discoloration: Many designers who do not understand the printing color are accustomed to design the color of the package directly according to the color displayed on the display. The direct result of this is that the color after printing is deviated from the color displayed on the display. The main reasons are as follows: aspect.
1. The display is different from the color rendering principle of printing. The coloring principle of the display is color-color adding method, which uses R, G, B three primary colors, and the principle of printing coloring is color material subtraction method, which adopts four colors of C, M, Y and K. The gamut of RGB greatly exceeds the gamut of CMYK, that is, many colors in the RGB color space are not reproduced by the ink. Therefore, the color that is often displayed on the display is very bright. In China, the color becomes darker after printing and even becomes completely different colors.
2. The printed pattern is composed of dots. Therefore, in order to grasp the correct printing color, designers should learn the use of standard color standards and directly set the percentage of dots of C, M, Y, and K. Pay attention to the unique role of black in printing. Theoretically, C, M, and Y color overprints can print black, but small black text should avoid overprinting as much as possible, because it may cause overprinting due to too thin text strokes. .
Second, the font changes: the design is completed, the inspection is correct, after the customer signs and confirms, it is necessary to output the film. When checking the film, we often find that some fonts have changed the security printing. This is mainly because the desktop publishing system has certain requirements for the font of the computer design software. At the time of output, the font is the main factor that determines whether the design works can be reproduced. one. Is to use TrueType fonts, PostScript fonts or Unicode fonts, must discuss soft packaging with prepress service providers and printers, different output software supports different fonts.
Third, anti-white reading difficulties: When doing packaging design, you should use anti-white characters carefully. In order to ensure that the white text is readable, a more significant color should be used in the shaded part of the reverse white text, and the dot percentage should be set at least 70%. In addition, you should avoid using small fonts or fine fonts. The font size should be no less than 6 pounds of industry regulations, or the characters should be no less than 0.007 inches.
Fourth, post-processing can not be carried out smoothly: many designers who do not understand printing materials, processes, processing equipment, design packaging works often only from the aesthetic point of view, ignoring the later processing. If the paper is not swollen after printing, the bleeding is not added, resulting in the original content being blank or missing after cutting; the designed package size is not suitable for typesetting, resulting in material waste or exceeding the processing range of the equipment and cannot be processed. The design pattern does not take into account the special effects of post-press treatment. Such as film, hot stamping, lifting, crepe paper, molding structure, etc., can not achieve the desired results.
Quality Control Different prints have different requirements for the number of screens. If the quality is too high or too low, printing quality problems will occur. The number of screened lines is too high, and it is impossible to complete the copying of the dots. It is easy to paste the version; the number of screened lines is too low, and the image layering is poor and unclear. Generally, the number of screen lines for color printing of coated paper is set to 175 lines/inch. It is more suitable to increase the cost. The product packaging is often composed of uniform color blocks or gradation blocks of different colors. Such color blocks generally need to be equipped with spot color inks for printing. Be made into a spot color when designing. However, many designers who do not understand the printing process are still designed as CMYK four colors, which results in wasted film production cost proofing, increased the number of overprinting, and increased printing costs. At the same time, it may also be caused by the loss of ink color due to the loss of some small dots during printing. The dark large-area color block may be dirty due to the thick ink layer.
Packaging is an integral part of the product, and the packaging of the product requires careful design and printing. The sales competition of today's goods in the market is very fierce. When consumers purchase goods, in addition to paying attention to the quality and performance of the products, the requirements for packaging and decoration design are getting higher and higher. Market information and related information show that if products want to enter the market, especially in the international market, the level of packaging design directly affects the sales and circulation of products. Products must have a strong visual impact in the market, regardless of product quality, shape, function must be suitable for different levels of consumer demand, to meet the needs of life.
When people buy goods, they not only ask for the quality, performance and price of the products, but often pay more attention to whether the packaging design is exquisite. Packaging can increase the value of the product itself, increase sales, and also serve to convey information about the product. People's demand for goods has gradually changed from a single practical concept in the past to a new concept of aesthetics, practicality, and forward thinking. Therefore, as a packaging and printing designer, we must have a strong practical concept, knowledge of market economy management, advanced innovation spirit, and comprehensive aesthetic awareness, in order to adapt to changes in demand caused by continuous improvement in living standards. As a comprehensive subject, packaging design integrates natural science, social sciences and humanities. Packaging design is the combination of science and art, material and spiritual factors, mutual penetration, mutual integration and mutual integration. labor.