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Development trend of packaging printing

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with the development of commodity economy, science and technology, flat, convex, concave and other printing processes and special printing processes will develop. Different printing process characteristics and printing scope are also different. They will coexist for a long time, complement each other and occupy a place in packaging printing
1. Lithography will remain the main force. The utility model is suitable for the rapid and accurate production of large format printing products, and is especially suitable for the flat plate printing products. In recent years, lithography technology has been continuously integrated into high, fine and advanced new technologies such as optics, chemistry and electronic computer technology, reflecting the contemporary high-tech level. 2. Relief printing technology will have a breakthrough. Relief printing is a traditional printing process in China. It has a good technical foundation, less investment and is suitable for packaging and printing of small batch, small format and special specifications; The requirements for paper and ink materials are not strict, and the printing pressure and ink quantity can be adjusted in a large format, so that the printing quality can reach an ideal level and has a wide range of application
3. Gravure printing will continue to develop steadily. The advantages of gravure printing always lie in high speed, wide width, low consumption and less downtime, which can obtain the best effect on all kinds of printing materials
4. Screen printing will be more active. As the representative of hole printing, screen printing has always been dominated by workshop production in China, and it is considered that it can only produce line and large color block products rather than elegant. In today’s great technological change, modern screen printing equipment, materials and technology have injected new vitality into the screen printing process
with the rapid development of science and technology, packaging and printing technology has been continuously combined with emerging science and technology and marginal disciplines, making innovations and breakthroughs in the strategic high-tech field, and many new technologies have emerged, such as electrostatic printing, inkjet printing and digital printing technology. At the same time, judging from the development trend of printing technology, China’s printing machine manufacturing technology is rapidly developing in the direction of high automation, linkage, intelligence, digitization, networking and multi-color and multi-function. The latest modern technologies have been widely used in new printing equipment, including computer remote control, automatic printing, digital control of automatic registration, automatic fault monitoring and display, shaftless technology, servo technology, ion spraying technology, optical fiber transmission technology, etc. For example, the application of harmonic drive technology in the printing press has the advantages of multi tooth fine closing, large transmission ratio, small volume, light weight, large bearing capacity, high transmission efficiency and stable transmission rate. It is conducive to improve the speed and working accuracy of the printing press, and give better consideration to the printing production efficiency and the printing quality of products. 1. The development direction of lithography technology
the main lithography topics in the world today are direct plate making technology, direct printing technology, non horizontal printing technology and FM screening technology. Most foreign sheet fed multi-color offset presses use ink remote control, automatic plate loading and automatic registration devices, and control and fault diagnosis of the whole production process. Domestic started late, and more efforts need to be made in the research and development of a new generation of integrated multi-color offset press. In addition, the quality of domestic printing equipment (paper, ink, photosensitive materials, blanket) also needs to be improved
2. Development trend of flexographic technology
after the signing of the Montero convention in 1995, the emission control of CFCs has become increasingly strict, and the use of solvents such as trichloroethane and tetrafluoroethylene has also been restricted. In order to make flexographic printing meet the requirements of environmental protection, there are two development ways. One is the development of new environmental friendly plate washing solvent, and the other is the development, manufacture and practicability of water developing flexographic plate. At the same time, the thin plate will also be the development direction of flexographic printing
3. Development trend of gravure printing technology
gravure printing equipment has large investment and high plate making cost, which is only suitable for long-term products. Because gravure ink contains toxic substances, its application is limited. If these problems can be solved, gravure printing will have a certain development. In recent years, the development of gravure printing technology has greatly shortened the preparation time of gravure printing, and improved the competitiveness of gravure printing in the medium and short version live market. It is expected that the development of gravure printing in the future will mainly focus on: whole body automatic gravure cylinder electroplating processing; Application of electronic engraving technology without film; The development of photopolymer thin drum gravure process and the surrounding gravure wrapped on the drum; Digital fast proofing; Gravure printing press will develop in the direction of multi-purpose, multi-color, high-speed, automation, linkage and environmental protection; Achieve water-based gravure ink printing, and effectively control the solvent residue of solvent ink

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