The main methods and characteristics of carton producti […]
The main methods and characteristics of carton production at home and abroad
At present, there are two common printing methods for corrugated boxes: one is the printing (direct flexo) process. Previously, this process was only used to print simple lines and texts. Now it can be used for color screen printing. It is a commonly used process in China.
The other is the pre-printing process: printing the paper before printing box printing machine on the paper (direct printing on the web), and then feeding the printed paper to the corrugated board production line to the bottom paper. . In addition, for the printing of fine corrugation such as E corrugated, the surface of the cardboard can also be printed by offset printing (single sheet of paper), and after printing, it is laminated with the corrugated core paper.
At present, the printing of corrugated cardboard in China is divided into: offset printing and bonding into cardboard, flexographic direct printing, pre-printing and several special printing and boxing methods.
Looking at the development trend of flexographic printing from the European and American flexo market
With the continuous development of science and technology, the process of flexographic printing is constantly changing, and its technical indicators such as printing quality and overprinting precision are not inferior to offset printing and gravure printing. By the end of the last century, the sales of flexographic printing in the United States had exceeded $72.8 billion, almost every year at a double-digit rate, and flexographic printing accounted for about 75% of the entire packaging printing market.
In the four major printing processes in developed countries, the market share of offset, gravure and embossing has shown a downward trend. Offset printing has dropped from 55% in the early 1950s to the current 35%, and gravure is also from 30%. The market share has dropped to around 15% today, and only the market share of flexographic printing processes is on the rise. From the market share of only 4% in the 1950s to the market share of 32% in 2005, it has increased by a factor of eight, almost equal to offset printing.
Flexographic printing is a form of letterpress printing, originally called flexographic printing, which originated in the United States in the early 1920s because the aniline dye ink used was toxic and not developed. Since then, the ink manufacturer has begun to use the well-recognized and acceptable colorant agent, which was renamed as Flexographic Printing (FLEXOGRAPHICPROCESS) at the 14th Packaging Symposium in the United States in 1952 and translated into Furui Letterpress in Taiwan. . After the mid-1970s, due to the advancement of the materials industry, especially the advent of polymer resin plates and cermet anilox rolls, the development of flexographic printing has made a qualitative leap, becoming the fastest growing worldwide. Fast printing method. Especially in the United States, it has been fully developed. Both the manufacturing technology of the printing press and the application technology of flexo printing represent the highest level of flexographic printing. Most of the product packaging seen in the US domestic market is almost a flexographic printing product. According to statistics, the market share of flexographic printing in the United States currently accounts for 70% in the field of flexible packaging printing; 85% in the label printing field; 98% in the corrugated printing field; and 25% in the carton printing field. In Europe, they also accounted for 60%, 35%, 85% and 2% respectively. In the United States, even 20% of newspapers are printed in flexo. These numbers are enough to prove the vitality of flexographic printing. In the United States, flexographic printing has been widely used in various printing fields, especially in the field of packaging and printing. Flexographic printing accounts for a large proportion.