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If printing a transparent material label or trademark, it is necessary to use screen printing to print the background color first, and then use offset printing or flexo printing to carry out color printing of color logos and patterns. 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, this printing method will become more and more popular.
Screen printing has excellent coverage and can be applied not only to the surface of transparent materials but also to printing gold ink. Silver ink and hot stamping extend the role of screen printing in the field of packaging, decorating and printing.
Packaging trademark screen printing process can basically be divided into prepress design, printing plate production, screen printing and postpress processing 4 parts. Pay attention to the operation of each process to ensure print quality.
Packaging is an important means of product protection, anti-counterfeiting, storage, and promotion. Today, most of the products are sold through packaging. Packaging is the first appearance of people leaving a product. When consumers purchase packaged goods, they often do not look at the intrinsic quality of the goods, but choose through the information and appearance provided by the package. As many manufacturers do not have the ability to design packaging and trademarks, designers and business personnel work closely together to actively help customers design high-tech and novel packaging. Through the creativity and personality of packaging design, the products are innovative and innovative. High quality, high quality, give full play to the expertise of the process and win customers. We must give full play to the role of design and technology development agencies and achieve the purpose of forming a community of interests with the factory.
At present, many packaging trademark printing manufacturers have their own design and technology development agencies. In packaging trademark design, excellent designers must be familiar with platemaking and printing processes to be familiar with the post-printing process technology, to understand whether the design of their own packaging works to meet the plate, printing process to Jinan City, and ultimately achieve the purpose of packaging. The design of the general packaging trademark requires simple and clear, suitable for printing. The company has only taken care of maintaining its own design style and has not considered the difficulty of post-processing, causing unnecessary economic losses to the company. At the same time, due to the difficulty of processing and the relatively poor product technicians, it is also easy to lose the intended effect of the design. For example, a trademark, the pattern is too close to the size of the finished product, often due to paper deformation, die cutting tool accuracy is not enough and other factors caused by die-cutting products bias, the error is too large to make the product scrapped. Therefore, companies should continue to sum up the lessons learned based on the need for designers to properly change the design to meet the requirements of the post-printing process. For some high-end packaging, or products with special design requirements, special personnel must be organized to handle the problems after printing, and superb technology is used to achieve the requirements of customers and designers. In addition, designers and technology developers must also be good at using the characteristics and advantages of the company's technical process, and actively guide manufacturers, do everything possible to these high-tech content of the process through the design and transplantation to packaging and printing. In this way, not only the added value of packaging printing can be increased, but also the length can be shortened to give full play to the technical expertise and attract more printing businesses.
The printing process of packaging trademarks is to organize design manuscripts, and through technical means such as plate making, printing, post-processing, and so on, realize the technical organization of mass reproduction production. Since the printed and used materials of packaging trademarks are completely different from those of general books and publications, the use of materials and printing techniques for packaging trademarks must be fully considered in the design of screen printing and packaging trademarks.
Printing paper
Since different types of paper are required for the printing of packaging labels for different businesses, it is often necessary to stock dozens of papers of different varieties and thicknesses. Such as single-sided coated paper, single-sided offset paper, single-sided copperplate paperboard, adhesive tape, cast coated glass paperboard, white paper, gold version of paper, aluminum foil, cowhide white version of the paper, the common thickness is 80g , 90g, 250g, 300g, 350g, 400g, 450g and so on.
In addition, for different businesses, there are different requirements for paper and the use of operating technology, such as bottled wine labels, because it is a mechanical labeling, fast, about the back of the automatic coating after the wet case, the instant deformation of the bending, the paper The bending direction must be matched with the automatic labeling machine, otherwise it cannot be produced on the automatic assembly line. Therefore, in order to meet the needs of different customers, the horizontal and vertical lines of paper must be taken into consideration first, and the entire batch of products must be scrapped due to the fact that the trademarks produced by the owner do not meet the requirements of the customer's horizontal and vertical threads.
Join together
The distinguishing feature of packaging trademark printing and book printing is the combination of one edition and one figure. As many as two plans, many dozens of plans. In the end, it is appropriate to combine several plans for printing. This is a design and process consideration. It is mainly considered from the following aspects.
1. The ease of post-press processing. If a manuscript has more processing steps, it is necessary to carefully consider that it is not possible to make the printing plate large. Otherwise, due to the poor temperature and humidity control of the printing shop, it is easy to cause the paper to pump up, so that the next process of hot aluminum, embossing is difficult to overprint accurately. As a result, they should be hot and pressed at a time, and they must be stamped several times. In addition, the combination of more and paper deformation, it will seriously affect the registration, it is difficult to remedy.
2, special-shaped trademarks. Trademark labels are generally not very large. For thin paper special-shaped trademarks that need to be die-cut, do not use too many joints. Otherwise, the accuracy of die-cutting will affect the quality of die-cutting.
3, the number of prints. If the number of prints is not large, don't overdo it. Because the layout is too large and the number of prints is small, the cost of imitation is high, and it will inevitably increase the cost of the single bid.
4, the paper opened. The size of the packaging paper coincides with the paper size, so the printing paper is very standard and there is no waste problem. Packaging trademarks are not, due to the impact of single size, it is impossible to accurately combine into eight open, four open, split printing. Therefore, whether or not to use the spelling, vertical and horizontal spelling, spelling, knife punching, and scraping knife is the principle of minimizing printing paper. Choosing a good combination of processes can directly create profits for the company.
In recent years, with the continuous development of screen printing technology, its application field has been continuously expanding. In the field of packaging and anti-counterfeiting with flexographic, lithographic, and gravure as the main printing methods, the screen printing market has gradually opened up. Screen printing has occupied a large number of markets in packaging and printing with its unique advantages, and has shown a steady growth. And after combination with other printing methods, screen printing has become the main partner of other printing methods, such as the EM series flexo printing machine mainly used for packaging printing produced by the Swiss Gallas Group, of which more than 90% Models are equipped with rotary screen printing unit. Such printed packaging boxes or trademarks, labels, etc. not only highlight the brand characteristics of the packaged goods, but also enhance the anti-counterfeiting capabilities.