Photo-curing (uv) Printing Technology Saves Inkjet Printing
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The photo-cured (UV) family has expanded again. The first is the expansion of the UV printing market. If you participate in a recent printing exhibition, such as the ISA held in 2007, more than 10 UV printing equipment made its debut; at the SGIA held in the fall of 2006, there were also more than 10 models. UV printing equipment was first introduced. In just one year, more than 20 new types of UV printing equipment have been introduced to the market. This unprecedented scale is a significant improvement for the UV printing market. The UV ink jet printing market will continue to grow strongly worldwide, and the sales rate of new UV printing equipment will increase by 30% per year - Tim Greene, head of large format printing at infoTrends/CAPVentures, said: More business choices, image output quality The promotion, environmental protection, and the drive for new markets such as the printing of hard surface substrates have made UV ink jet printing positive. It is predicted that the sales growth rate of UV-curing printing equipment will reach a two-digit growth in 2010, and in 2010 UV ink sales will surpass equipment sales and become the largest growth market for UV printing.
According to Grey Held, head of large-format printing consulting services at Lyra, a printing industry research organization, the UV printing market will grow by 38% in 2007. Major printing equipment manufacturers will continue to improve UV printing equipment, such as printing speed and UV. With regard to the durability of inks, the application of these new technologies opens a new door for a series of printing applications. The breakthrough of UV printing technology is mainly reflected in the following aspects: UV inks have short reaction time and low temperature requirements under ultraviolet irradiation. They can print a wide range of printing materials, but when printing with UV metal ink, they must be very accurate. Special printing The color group must be printed on special materials such as glass and ceramics. If the UV printing process on the conductor can be well solved, it is believed that the UV printing market will gain more room for expansion. The industry is looking for UV printing new blue ocean. Commercial printing companies usually rely on banner advertising and display rack advertising to obtain business, but those customers who provide printing orders to printing companies obviously do not meet these existing, limited forms of advertising.
They hope to expand their business through continuous innovation and acquire new customer bases. UV printing can be flexibly printed on hard or soft substrates, and it immediately wins in the highly competitive market. These innovative markets include: auto body printing, textile printing and printing, and printing. The hottest market is car body advertising. The previous UV printing process could not be realized, but now the flexibility of UV curing printing is perfectly reflected. Not only the hard body can be directly printed, but even the most complicated car exhaust The printing on the tube is also handy. Technical innovations for photo-curing (UV) printheads. Better print quality means finer jet ink droplets, which of course also include better control of jet ink droplets. In addition to increasing the print quality by continuously reducing the size of the ink droplets, it can also be achieved with a multi-gray print head. The most advanced printheads available on the market today include Toshiba’s grayscale with up to 8 levels, droplet sizes from 6 to 24ppl, and 6 gray levels, with droplet sizes from 3 ~40ppl Xaar OmniDot760/GS8 printhead.
With respect to extending the color gamut of UV inks, it is first to become a supplier of third-party UV inks. The perfect performance of UV inks in printing is not only determined by the ink itself, but also depends on various factors such as print heads, curing lamps, etc. It should be said that It is the result of simultaneous action; most UV inks are currently supplied by UV printing equipment manufacturers, although companies like Sun Chemicals, Hilord, Triangle Digital, as independent third-party UV ink suppliers, have begun to provide UV to specific customers. Ink products. It is also important to increase the UV ink printing color set. Many UV printing devices only provide CMYK4 basic color printing sets, and some printing devices are equipped with light cyan and light red printing color sets. Other devices have added color groups of orange, green, blue, and purple to expand the color gamut of printing inks. RasterPrinters' 4000 Series UV-curable inks are used on Daytona presses, while the RP-720UV printing machine adds the orange and blue color groups to the CMYK four-color base color set. Gandinnovations' Jeti5024UVRTR, as well as some EastechOctra devices offer orange and green color groups, while the GerberSolaraUV2 printer offers green and purple color groups. In fact, for most UV printing devices, the most increased is the white color group. White ink can be used not only as a primer before printing, but also can be directly used for the printing of printed white images.
Durst's Waters believes that the rapid growth of white ink demand is a matter of course, because white ink can meet more customer needs, such as more visual effects, more abundant business applications. Only inexpensive and simple UV curing can be used to print on almost any substrate. Other UV printing equipment suppliers, such as Lüscher and Eastech, provide personalized spot color services to provide customers with personalized UV color printing group matching services. Although this service requires strict and high cost, The customer is very interested in this service. Roger Walkkley, inkjet product manager at Inca DigitalPrinters, said: “Adding a spot color printing group is still a very large project at present, because CMYK4 colors are generally used in printing. Varnish is also another emerging paint that is often formulated in UV printing. It not only expands the color gamut of ink, but also expands spot colors and white areas, helping UV-printed products compete with screen printing and offset printing. The openness of UV ink technology is increasingly important. Walkley believes that successful printing solutions should be based on the flexibility of ink applications. Compared with traditional solvent inks, UV inks have no obvious advantages due to polymerization (UV inks The process of photo-responsive post-curing) is very difficult for the ink to be handled flexibly after printing, and the tension can only be reduced under vacuum to make the ink surface firm. Therefore, whether the ink is flexible in the application process has become an important point.
Tony Fulco, market development consultant for 3M Imaging's product center, believes that the secret to success, whether it is the traditional printing method or digital printing, should be to ensure the maximum possible openness of UV ink technology. Recently launched by Durst and 3M, 3M Multi-Purpose UV-curable Piezo Inkjet Ink Series 2700UV inks are used in conjunction with Durst's Rho160R Inkjet Press and are equipped with a 62-inch round roll cylinder that can be used in 3M inks. Good UV printing on substrates. At the same time, 3M also introduced its 2200 series of UV-curable inks for EFIVUTEkUV inkjet printing equipment. AelloraDigital has been searching for hybrid UV semi-solid inks for its special UV printing equipment. The particularity of this ink is that the ink that is ejected is very hot and when contacted with printing materials, it will become very viscous immediately, which makes each ink Drops must be very precise and do not shift. This allows instant full cure even when printing on porous or non-porous substrates, "When we use this ink, even if the ink is not completely conjunctiva dry, the droplets will not expand or cause splashes." AelloraDigital Mike Stoudt, the company’s president, said. Long-term printing experience makes inkjet printers interested in single-channel inkjet printers. However, many printing companies prefer multi-channel inkjet printing that can store more ink and meet the needs of a variety of printing businesses.
But from now on, the guardians of single-channel inkjet printing decided to change this situation. The strong proponents of inkjet printing, as early as drupa 2004, IncaFastJet launched a resolution of 300dpi inkjet printing equipment, this device Minutes can output super large-format printing jobs. With fixed-mounted or dot matrix nozzles, the printing material passes under the print head and the ink ejected at a time completely covers the entire print job. AelloraDigital offers a complete range of solutions for single channel printing. The company offers semi-solid inks. The SureFire TKMP1000 digital printing system can achieve printing speeds of 250m2/h at 600dpi x 600dpi production conditions. The future worth looking forward to. What factors limit the development of UV printing? One of the points is to expand the color gamut of UV inks. These have become the goals that equipment manufacturers and suppliers are trying hard to solve. Light Curing (UV) For the future UV inkjet printing, the following aspects are worth our looking forward to: Third party UV inkjet ink suppliers are gradually moving into the market, ink companies, including Triangle Digital and Sun Chemicals, are already in the Specialized printing companies have custom-made UV curing inks. Hexion recently introduced its new product, the HexiJetFlashCureUV inkjet ink. The biggest feature of this ink is that only a small amount of UV curing energy is needed to enable the ink to be cured while contacting the surface of the substrate. In previous UV inks, very little energy was used to achieve complete curing. Curing was easier means that UV printing could be performed on thinner substrates without worrying about curling. This, of course, means that more can be achieved. High printing speed.