Development prospects of flexographic printing in China
In China, the development of flexographic printing is still relatively slow, because a new printing method needs a certain market entry point and a foothold to grow up, and the formation of these two points requires a process. From the perspective of environmental protection, flexographic printing is indeed a very good way of environmental protection printing, but specifically for printing plants, the economic benefits are related to their survival. Several domestic suppliers of flexographic equipment agreed that the development prospects of flexographic printing in China are very broad, and there are several driving factors for this:
1. Flexographic printing has its own advantages-fast, green and environmentally friendly and the matching process is relatively fast. In European and American countries, flexo printing has occupied most of the entire printing field. It is understood that some customers in Europe, the United States, and Japan require products exported by China to use more environmentally friendly printing methods. In view of this, some large domestic manufacturers will also adopt environmentally friendly packaging in response to customer requirements, and also realize that flexographic printing saves resources and maintains the human living environment. This is also a factor driving the development of flexographic printing. From the perspective of the national macro policy, from April 1, 2007, the state will adopt a market access system for food and pharmaceutical packaging, and use compulsory means to strengthen the management of food packaging. Strictly defined, higher requirements are placed on food and pharmaceutical packaging, which provides the best development opportunities for domestic flexo printing machines to enter the market in batches. In the next ten years, there will be a large demand for domestic flexo machines.
2. Both offset and gravure printing have the opportunity to develop flexographic printing, because offset printing occupies an absolute share in the Chinese printing market, and competition is also very fierce. Some large companies gradually realize the benefits of flexo printing while doing offset printing— -Cost savings (in packaging, it can save 20% to 30% than offset printing), it can be said that flexographic printing is another option for customers. Some large group companies such as Wal-Mart, LG, Samsung, Foxconn, etc. will choose flexographic packaging in consideration of cost when purchasing packaging. Therefore, some packaging printers may invest in flexo printing in the future.
Principles for the purchase of flexographic printing presses
General principles for purchase
The flexographic printing machine has obvious production advantages such as small equipment investment, small machine footprint, less labor resources, easy operation, low production cost, wide printing adaptability, stable product quality and high printing efficiency. Therefore, the flexographic printing machine is suitable for printing a variety of structural printing services, especially factories that mainly focus on packaging products. The application of flexographic printing machines is an important choice to improve economic efficiency and product quality. This is also the flexographic printing in China in recent years. The main reason for the increase of machine applications year by year. Packaging and printing factories should choose the correct model and configuration when purchasing flexographic printing machines. This is a crucial procurement control link. The selection of models is based on the characteristics of the factory's product structure to determine what kind of machine to choose. Flexographic printing machines include ordinary, narrow, wide and special models. The printing unit has several models with different groups. Depending on what kind of product you print, you should decide which type of machine to choose. Industry experts believe that companies must consider their own development, market development and changes, and different requirements for corrugated box quality, cost, and delivery cycle.
Selection of printing model
The wide-format flexo printing machine suitable for corrugated box printing process is actually one of the ordinary flexographic printing machines, but in order to better adapt to the special requirements of corrugated box printing, the printing width, printing length, screen line It is reasonably combined with field parameters, plate thickness, automatic control of paper rewinding and unwinding, cutting of rewinding and unwinding, and automatic control of the whole machine.
The choice of flexo printing machine equipment type is mainly determined according to the market requirements faced by users and the main parameters of the equipment. Due to the substantial improvement of current equipment manufacturing technology and system control technology, there is no question of who is superior to who is inferior in terms of printing quality, printing speed, technical grade, etc. in the unit type, satellite type, and cascading type. The difference is how to meet user requirements and Can control equipment cost. In the high-end flexo printing equipment, the use, maintenance and equipment manufacturing costs are different.
Unit type is easy to use and maintain, the equipment has a low center of gravity, which is conducive to reducing the plate rolling balance during high-speed operation. At the same time, it has a large space advantage for large plate rolls (plate diameter greater than 500mm) and multi-color group printing suitability (more than 6 colors). Moreover, it is easy to install the fully automatic control system and the horizontal and vertical automatic overprinting system. However, due to the long printing paper path, the requirements for equipment manufacturing and installation accuracy and overall machine tension control technology are higher than those of the satellite type and laminated type, and the equipment cost is relatively high.
The advantages of the satellite type are mainly due to the sharing of an impression cylinder, short printing paper path, relatively simple control system, and low manufacturing cost of the whole machine. However, it is relatively inconvenient to use and maintain. It is too large for large plate rollers and multi-color printing and printing cylinders. It is difficult to ensure the accuracy of its manufacture and installation. There are also many difficulties in transportation and maintenance (such as the highway height limit of 4.5 meters); The structure type is not easy to install the automatic tension control system and the vertical and horizontal automatic overprinting system, the drying oven is short, and the flexibility to increase other functions is poor.
The advantages and disadvantages of the stacked type are between the unit type and the satellite type. When the requirements for printing speed and printing quality are not high, and the degree of automation of the equipment is relatively low, it is instead the best choice for paper printing, so it can greatly reduce the manufacturing of equipment cost.
Equipment and product matching
Once the project is confirmed, the specific matching of equipment and products becomes the key. The choice of printing equipment grade, function selection, speed and width must be objective. Therefore, understanding the various technologies of flexographic printing, understanding and analyzing the market, and judging its adaptability are essential for every enterprise that chooses flexographic printing equipment. The important link is also the pre-sale service that equipment suppliers must provide. Therefore, there is no best equipment, only the most suitable equipment.
The choice of "corrugated carton printing process" is actually the choice of which paper printing machine to use for carton face paper printing. Therefore, it is necessary to understand and compare the equipment cost, use cost, printing adaptability, equipment auxiliary technology of the printing press, etc., so that it is possible to choose the most suitable corrugated paper box printing process. (End of full text)
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