"Flexible printing" was formerly known as aniline printing. Due to the toxic and harmful effects of aniline ink, it was gradually eliminated. In the past decade or so, due to the rapid development of the packaging and printing industry and the widespread use of photosensitive resin plates (such as the Cyrel plate produced by DuPont), it was later called flexible printing.
In developed countries, flexographic printing is used not only for packaging and decorating but also for commercial and newspaper printing. In the United States, 20% of newspapers are printed on flexographic machines.
From the table, the important position of flexographic printing in the printing methods in the United States and Western Europe can be clearly seen. This is due to the strengths and advantages of the flexible version. Especially in the field of packaging and printing are summarized:
First, the ink is thick and the ink is the same. The flexo ink layer is thinner than the intaglio but is definitely thicker than the offset printing, which is very advantageous for the large area color blocks that are common for printing and packaging products. In general, if the condition of the paper is the same and the condition of the ink is used, the ink is transmitted by the anilox roller. No change, no matter whether it is the same batch of products or different batches of products, the ink color can be consistent. This is the most basic requirement for packaging and printing, and this is also difficult for offset printing.
Second, extensive use of non-toxic water-based ink printing. Flexo Ink is the only non-toxic ink approved by the American Food and Drug Association in all printing methods. As a result, flexographic printing is also known as green printing and is widely used in food and pharmaceutical packaging.
Third, a wide range of printable media. Flexo printing machine can print all kinds of paper, and can also print aluminum foil, plastic film, self-adhesive paper, self-adhesive film, glass paper, metal foil and textiles. The type of printable media is more than gravure printing. In addition to the offset printing method, the rest of the media cannot be printed or printed badly.
Fourth, a wide range of product applications. Almost all paper and plastic film packaging products can be printed by flexographic printing. The printing effect on plastic film can be comparable to that of gravure printing. Due to the softness of the printing plate and the small printing pressure, it is especially suitable for corrugated papers and so on. Pressed printing media; and in addition to packaging products, you can also print newspapers, books, magazines and other publications.
Fifth, equipment comprehensive processing ability. Almost all narrow-width unit type flexographic printing presses can perform post-printing processing on the same device, such as reverse printing, coating, laminating, die cutting, cross cutting, slitting, punching, punching, fan folding, Automatic waste discharge, etc., can even add numbers, bronzing or screen printing units to the printing unit. Therefore, it is not unreasonable to call a flexographic printing press a print processing line.
6. Low production costs and high economic benefits. Compared with gravure printing, the platemaking cycle is short and the plate making cost is 30% lower; the ink consumption is 30% less than the gravure; the power consumption is 40%; the printing speed is fast and the unit type narrow web printing machine has a maximum printing speed of 150 per minute. In meters, the maximum printing speed of satellite wide flexo printing machines is up to 250 meters per minute; the reject rate is lower than that of gravure printing and offset printing; it occupies less production space; and the comprehensive processing capability is strong, one forming process saves the labor of subsequent processes; The waste of turnover between processes is avoided; thus the overall production cost is low.
VII. Small investment in production. Because of the relatively simple construction of a flexographic printing press, the equipment investment is lower than offset presses or gravure presses of the same scale, generally saving 30% to 40%. In addition, in the case of a narrow-width flexographic printer, since it has almost all of the post-press processing functions, users have purchased a flexographic printing press, eliminating the need for additional post-press processing equipment such as die-cutting and glazing. This saves some of this investment. At the same time, it also saves space and labor for this part of the equipment.
Comparing flexo printing with gravure printing, all products that can be printed by gravure printing can be printed flexographically and can be at or near the quality level of gravure printing. However, flexible materials that can be printed with flexographic printing machines Can not be replaced by gravure; In addition, in terms of equipment investment and use costs, flexo printing is much lower than gravure printing. Undoubtedly, the use of flexo printing and packaging printing production is a wise choice for low investment and high output.
In developed countries, flexographic printing is used not only for packaging and decorating but also for commercial and newspaper printing. In the United States, 20% of newspapers are printed on flexographic machines.
From the table, the important position of flexographic printing in the printing methods in the United States and Western Europe can be clearly seen. This is due to the strengths and advantages of the flexible version. Especially in the field of packaging and printing are summarized:
First, the ink is thick and the ink is the same. The flexo ink layer is thinner than the intaglio but is definitely thicker than the offset printing, which is very advantageous for the large area color blocks that are common for printing and packaging products. In general, if the condition of the paper is the same and the condition of the ink is used, the ink is transmitted by the anilox roller. No change, no matter whether it is the same batch of products or different batches of products, the ink color can be consistent. This is the most basic requirement for packaging and printing, and this is also difficult for offset printing.
Second, extensive use of non-toxic water-based ink printing. Flexo Ink is the only non-toxic ink approved by the American Food and Drug Association in all printing methods. As a result, flexographic printing is also known as green printing and is widely used in food and pharmaceutical packaging.
Third, a wide range of printable media. Flexo printing machine can print all kinds of paper, and can also print aluminum foil, plastic film, self-adhesive paper, self-adhesive film, glass paper, metal foil and textiles. The type of printable media is more than gravure printing. In addition to the offset printing method, the rest of the media cannot be printed or printed badly.
Fourth, a wide range of product applications. Almost all paper and plastic film packaging products can be printed by flexographic printing. The printing effect on plastic film can be comparable to that of gravure printing. Due to the softness of the printing plate and the small printing pressure, it is especially suitable for corrugated papers and so on. Pressed printing media; and in addition to packaging products, you can also print newspapers, books, magazines and other publications.
Fifth, equipment comprehensive processing ability. Almost all narrow-width unit type flexographic printing presses can perform post-printing processing on the same device, such as reverse printing, coating, laminating, die cutting, cross cutting, slitting, punching, punching, fan folding, Automatic waste discharge, etc., can even add numbers, bronzing or screen printing units to the printing unit. Therefore, it is not unreasonable to call a flexographic printing press a print processing line.
6. Low production costs and high economic benefits. Compared with gravure printing, the platemaking cycle is short and the plate making cost is 30% lower; the ink consumption is 30% less than the gravure; the power consumption is 40%; the printing speed is fast and the unit type narrow web printing machine has a maximum printing speed of 150 per minute. In meters, the maximum printing speed of satellite wide flexo printing machines is up to 250 meters per minute; the reject rate is lower than that of gravure printing and offset printing; it occupies less production space; and the comprehensive processing capability is strong, one forming process saves the labor of subsequent processes; The waste of turnover between processes is avoided; thus the overall production cost is low.
VII. Small investment in production. Because of the relatively simple construction of a flexographic printing press, the equipment investment is lower than offset presses or gravure presses of the same scale, generally saving 30% to 40%. In addition, in the case of a narrow-width flexographic printer, since it has almost all of the post-press processing functions, users have purchased a flexographic printing press, eliminating the need for additional post-press processing equipment such as die-cutting and glazing. This saves some of this investment. At the same time, it also saves space and labor for this part of the equipment.
Comparing flexo printing with gravure printing, all products that can be printed by gravure printing can be printed flexographically and can be at or near the quality level of gravure printing. However, flexible materials that can be printed with flexographic printing machines Can not be replaced by gravure; In addition, in terms of equipment investment and use costs, flexo printing is much lower than gravure printing. Undoubtedly, the use of flexo printing and packaging printing production is a wise choice for low investment and high output.
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