The flexographic printing future is immeasurable

Flexographic printing has a wide range of printing: plastic film for various flexible packaging, thin aluminum for packaging, sprayed aluminum film, wet glue or self-adhesive labels, packaging paper, paper bags, and card boxes. With the advantages of low price, high quality, flexibility and speed, the market share of flexo printing continues to increase.
Today, environmental protection and safety gradually shift from social responsibility to corporate obligations. Corrugated cartons, toilet paper products, news newspapers, and decorative wallpapers use water-based inks and water-based coatings to save the need for smoke extraction that eliminates the volatilization of solvent inks. Input, but also can effectively promote the implementation of GMP manufacturers printing. As far as market recognition is concerned, flexo printing is the only printing method with a growing trend. On the one hand, its simple process is in line with the mainstream of printing development. On the other hand, it is because the new technology of flexographic printing makes print quality close to offset printing and gravure printing.
There are new tricks in flexo printing technology. With the newer equipment of the machine manufacturer, the higher quality expectations of the market and the lower cost requirements of the customers, the flexo printing technology is changing with each passing day. Prepress design applies a variety of hardware and software to enable workflows such as photocopying and proofing to be electronic and customized. Plates and plates provide the latest thin plate, laser, CTP and sleeve technology, with reduced dot diffusion and increased cable height. The ink adopts environment-friendly ink and UV-curable ink, and it does not need polishing protection on smooth coated paperboard. Printing, die-cutting and slotting systems have good automatic control and human-machine dialogue interfaces.
The latest technology in flexo printing is in the following areas:
Anilox Roller: Anilox roll is used as the "heart" of modern flexo printing machine. It adopts a short ink path like gravure printing to accurately control the amount of ink transferred. The number of network lines, the arrangement of network points, and the capacity of the cells are the three main performance indicators of the anilox roller. Higher network lines deliver thinner ink layers, reducing dot gains and improving the quality of printed products. More than 60 degrees of network angle is used, and the capacity of the net space is determined according to the shape of the net. Mesh pockets should be conducive to ink absorption, ink transfer, and ink film uniformity in forming, smoothing, and efficiency. Flexo presses are increasingly equipped with high-line anilox rollers. For example, the number of anilox rollers in the South China Sea is generally more than 400 lines per inch.
Ink and Polishing: The ink falls on the plate and substrate to achieve low ink film transfer and good density performance, ie low ink volume and high color. The number of satellite preprinters, group-type postprinters, and narrow-width web machines equipped with UV coating systems increased year by year. UV-curing inks polymerized under ultraviolet (UV) radiation and rapidly changed from liquid to solid state. The chemically reacted solid ink film has better chemical resistance, gloss, and durability than conventional inks. GRAFIX, USA, has recently developed a new drying technology for electron beam curing UV varnish that can completely eliminate odor residues and enable the FDA to meet the FDA requirements.
Plates: Plates are the main factor influencing the quality of printing and reduction. By using a laser engraving process without film, thin plate, and direct platemaking, the dot fineness, level reproduction, and color saturation are improved. DuPont's Digital Cromalin software uses spectral distribution patterns to simulate various requirements for flexographic printing to achieve optimal plate-making results. Sleeve technology allows the user to mount the plate on the sleeve, and the laser-engraved seamless plate can also be used directly on the sleeve. Shanghai Xinhua Plate Making Co. used the DuPont Wide Flexible Version and the Barco CDI Digital Plate Making Machine to print 202 lines on the Violet flexographic printing machine.
Printing machine without shaft technology: The disadvantage of the shaft is the problem of tension and register deviation due to wear caused by different shaft speeds. In order to avoid the constant speed that can not be achieved by the shaft ink drive system, the Servo motor with PLC control can solve the problem. defect. In addition, the shaftless technology makes the length of repeated printing unlimited.
Combined printing: mainly flexo printing and other printing and finishing units, combined printing usually includes flexo, screen printing, offset printing, embossing, flat pressing or magnetic die cutting knife; printing, coating, die cutting, hot stamping, paste Box making is done on a production line. Currently, more than 10 combined presses introduced in China are of the new generation, which are Gallus, Nilpeter, Comco, and Ko-Pack. Magnetic round die cutters are imported from Rotomagic.
Flexo printing is more widely used in corrugated paper box, paper towel and paper cloth printing markets in Europe and America. Flexo printing accounts for 90%, flexible packaging accounts for 70%, labels are 65%, and card boxes are 30%. In China, all ordinary cartons used for transport packaging use flexo printing, and some high-end color boxes use offset printing. For flexible packaging, flexo and gravure are equally divided, but if food and beverages are produced, export packaging must be flexographic without residue. Flexo printing is the main printing method for adhesive labels and has begun to penetrate wet labels. China's packaging market has a certain degree of over-printing problems, hindering the promotion of flexographic technology. If you follow the trend of foreign packaging, coupled with continuous progress in flexo technology, low-cost, high-quality flexo will become the mainstream of product packaging.
Customer requirements and market trends also contribute to the development of flexographic applications:
Frequent revision and version increase, such as holiday promotions, small package dispensing, etc., make the printing batch miniaturization, and the flexo printing method printed directly on the cardboard is fast, low in cost, and of good quality;
The sales function of the packaging further reflects that the multi-colored packaging design promotes the development of a flexo printing machine to more than 8 colors.
The packaging of international companies is becoming more and more localized. The packaging of domestic products such as P&G, Nestle, and Coca-Cola is all purchased locally. This means that China's printing and packaging processors must cooperate with these companies in foreign prepress suppliers and have the same Equipment system.
Brand awareness, corporate image and group design are becoming more and more popular. Many companies in China not only require that the domestic printing quality be the same as the parent company, but also require printing methods, which will undoubtedly promote the flexibility of the packaging market.
Product humanity, such as candy, cigarettes and other consumer products in the overall design of the same premise, through the printing of different colors to show the taste and intensity.
JIT production, the market towards intensive, large-scale development, reduced customer inventories, more and more require the packaging to be used directly after delivery, flexo printing has the fastest customer response speed.


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