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Flexo packaging printing will gradually compete for the gravure market

In recent years, with the continuous development of screen printing [encyclopedia microblogging] technology, its application fields have been continuously expanded. In the field of packaging and anti-counterfeiting with flexo, lithographic and gravure as the main printing methods, the market for screen printing has also been gradually opened up. . Screen printing has occupied a large number of markets in packaging and printing with its own unique strengths, and it has shown a steady growth trend. Moreover, through combination printing with other printing methods, screen printing has become the main partner of other printing methods, such as the EM series flexographic printing machine produced by the Gallus Group of Switzerland, mainly used for packaging printing, more than 90% of which The models are equipped with a rotary screen printing unit. Such printed boxes or trademarks, labels, etc. not only highlight the brand characteristics of the packaged goods, but also enhance the anti-counterfeiting function. For printing transparent material labels or trademarks, it is necessary to first print the background color with screen printing, and then use offset or flexo printing to carry out color printing and color marking. This combination printing method makes the printing effect different from the general label, which can improve the grade of the product. From the perspective of market development trends, this printing method will become more and more popular. Screen printing has excellent coverage, not only for surface printing of transparent materials, but also for printing gold ink. Silver ink and hot stamping have expanded the role of screen printing in the field of packaging and decoration printing. The process of screen printing of packaging trademarks can be basically divided into four parts: prepress design, plate making, screen printing and postpress processing. It is necessary to pay attention to the operation technology of each process to ensure the printing quality. Packaging is an important means of product protection, anti-counterfeiting, storage and transportation, and most of the goods are now sold through packaging. Packaging is the first appearance impression of people. When consumers buy packaged goods, they tend not to look at the intrinsic quality of the goods, but to make choices through the information and appearance provided by the package. Because manufacturers do not have the design capabilities of packaging and trademarks, designers and business people work closely together to actively help customers design high-tech and novel packaging, through the creativity and personality of packaging design, to show the novelty of the goods. High quality, high grade, give full play to the technical expertise and strive for customers. It is necessary to give full play to the role of design and technology development institutions to achieve the purpose of forming a community of interests within the factory. At present, many packaging trademark printers have their own design and technology development agencies. In the packaging trademark design, excellent designers must be familiar with the plate making and printing process to be familiar with the post-press processing technology. It is necessary to know whether the packaging works designed by them are in conformity with the plate making and printing process to Jinan City, and finally achieve the purpose of packaging. The design of general packaging trademarks is simple and clear, suitable for medium printing. Cut and care only to maintain their own design style, regardless of the difficulty of post-processing, causing unnecessary economic losses to the enterprise. At the same time, due to the difficulty of processing, the product technician is relatively poor, and it is easy to lose the expected effect of the design. For example, a trademark, the pattern is too close to the finished product size, often due to paper deformation, the precision of the die-cutting tool is not enough, and other factors cause the die-cut finished product to be biased, and the error is too large to make the product scrapped. Therefore, on the basis of continuous learning and lessons, companies should require designers to appropriately change the design to meet the requirements of post-printing processes. For some high-end packaging, or products with special design requirements, it is necessary to organize special personnel to solve problems after printing, and to achieve the requirements of customers and designers with superb technology. In addition, designers and technology developers should be good at using the characteristics and strengths of the company's technical processes, actively guide manufacturers, and do everything possible to transplant these high-tech processes through design to packaging and printing. In this way, not only can the added value of packaging printing be increased, but also the length of the printing can be shortened, so as to fully utilize the technical expertise and attract more printing business. The printing process of packaging trademarks is a technical organization that will design originals and achieve a large number of reproduction production through technical means such as plate making, printing, and post-processing. Since the printing and use materials of packaging trademarks are completely different from the printing processes of general books and periodicals, in the design of screen printing packaging trademarks, the materials used in packaging trademarks and printing processes should be fully considered. Printing paper Because different types of packaging labels require different types and specifications of paper, it is often necessary to stock dozens of different types and thicknesses of paper. Such as single-sided coated paper, single-sided offset paper, single-sided copper plate paper, coated paper, cast glass powder paper, white paper, gold paper, aluminum foil paper, leather white paper, etc., the common thickness is 80g 90g, 250g, 300g, 350g, 400g, 450g, etc. In addition, for different businesses, there are different requirements for paper and operating technology, such as bottled wine trademark, because it is mechanized labeling, the speed is fast, about the back of the sheet is automatically coated with the glue after the wet, the moment is deformed and bent, the paper The direction of the bend should match the automatic labeling machine, otherwise production will not be possible on the automatic assembly line. Therefore, in order to meet the needs of different customers, the paper horizontal and vertical silk must be considered first when the typesetting of the paper is combined. The trademark produced by the main product will be scrapped due to the failure to meet the requirements of the customer's horizontal and vertical yarn. The unique distinguishing feature of packaging trademark printing and book printing is that one version and one picture are combined. If you have less than two maps, you can connect dozens of graphs. It is more appropriate to combine several pictures for printing. This is the problem to be considered in design and process. Mainly from the following aspects. 1. The difficulty of post-press processing. If a manuscript has more processing steps, it is necessary to carefully consider that the printing layout cannot be made very large. Otherwise, because the temperature and humidity of the printing workshop is not well controlled, it is easy to cause the paper to rise, so that the hot aluminum and the embossing of the next process are difficult to overprint accurately. It is necessary to burn aluminum and embossing once, and it is necessary to stamp it several times. In addition, there are many pieces and the paper is deformed, which will seriously affect the registration and it is difficult to remedy. 2. Shaped trademarks. Trademark labels are generally not very large. For thin paper-shaped trademarks that need to be die-cut, do not use too much. Otherwise, the quality of die-cutting will be affected by the accuracy of die-cutting. 3. The number of prints. If the number of prints is not large, don't overdo the fight. Because the layout is too large and the number of prints is small, the cost of the imitation version is high, which inevitably increases the cost of the single standard. 4, the number of paper open. The size of the packaging paper matches the paper size, so the printing paper is standard and there is no waste. Packaging trademarks are not the same, due to the size of the single standard, it is impossible to accurately join together to open eight, four open, off the printing. Therefore, whether to adopt the method of inserting and spelling, horizontal and vertical spelling, nesting, one knife punching, and knife knives is to save printing paper as much as possible. Choosing a good process combination method can directly create profits for the company.