The relationship between the book printing and screen printing

Large-format inkjet printing is a form of Book Printing, which has many advantages over traditional screen printing methods. Especially in recent years, the development has been extremely rapid and has gradually penetrated into the traditional printing field. This article discusses the status and development of large-format printing, and analyzes the relationship between large-format printing and traditional screen printing opportunities and challenges. The printer must correctly view and grasp the relationship between the two.

Digital printing is rapidly developing as a brand-new printing solution, and has penetrated into various fields involved in traditional printing, especially large-format inkjet printing. It has become the fastest growing and most favored by manufacturers and users in recent years. The way has a wide market and great development prospects.

First, the status of large-format book printing With the expansion of the large-format printing market, the scope of its application has expanded significantly. In addition to posters, advertisements and signage, large-format printing companies now produce large-format digital proofs, containers, trade shows, and retail sales. Point banners and posters, theater and movie curtains, and even fine art prints.

Now, because the book printing inkjet technology can solve many problems, it is almost everywhere in the industry. At present, there are mainly three methods for inkjet printing: thermal spraying, heating the liquid ink and spraying it onto the printing material through a fine nozzle, and piezo-electrical printing using an electric pulse (rather than heating) to release the oily solid ink; As a variant, the printer melts the filled wax-like pigment and then sprays it onto the substrate. The printing speeds of these three different printing methods are quite different. The liquid thermal spray has the slowest speed, the piezoelectric method is the fastest, and the phase change method lives in between the two.

In the advertising of cosmetics, fashion, food, watches and jewelry, the production of photo posters still maintains a considerable market share, mainly due to the emergence of digital photo machines. Due to the increasing speed of large format ink jet printers and lower production costs, more and more high quality products are being produced using this new technology.

With the development of digital technology, photo-production production has shifted to digital photo production, using laser or LED imaging technology and devices to “write” continuous-tone photo images onto photographic materials, which are then developed using conventional chemical methods. This new imaging method has given birth to a new generation of photoprinting because the printing process is much cheaper than inkjet printing. However, the basic investment in digital photo-realistic technology is as high as more than 250,000 US dollars. In contrast, the basic investment in inkjet technology is only 10% of it. Inkjet printing systems are flexible and can be printed on a variety of different types of substrates. The same machine can also be used in a variety of applications. Photographic printing is limited to use on paper or indoor backlit light boxes. The development of large-format inkjet printing market is getting faster and faster, and the variety of consumables is also increasing. With the increase of production capacity, the price of consumables must be forced to decrease. But the printing resolution of the machine will not be significantly improved than today, at least in the area of poster applications.

Second, the development of large-format ink-jet book printing Large-format inkjet printing technology is the core of ink and inkjet head, so the development of ink and inkjet head determines the development of large-format inkjet printing.

At present, the album printing ink and ink jet head have great development. The ink used in inkjets has gone from the traditional water-based inks to solvent-based inks to the development of new generation water-based inks. The traditional water-based ink has good color saturation, little damage to the nozzles and consumables, and little pollution, but it is not waterproof or UV-resistant. The new generation of water-based ink solves the problems of waterproof, anti-ultraviolet, etc., and has many advantages such as colorful, non-corrosive, non-polluting, and so on, which overcomes the obstacle that large-scale inkjet printer products cannot enter indoor, and will become the mainstream of inkjet printer ink. The current use of eco-friendly water-based inks is Super Angel and CorJet book printing presses with Sai Angel. Since SuperJet and CorJet use a new generation of nozzles and environmentally friendly water-based inks, they have attracted attention as soon as they enter the market.

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