Since drupa 2004, inkjet technology has attracted more and more attention, and its application fields have become increasingly widespread. As the preferred hard copy technology for digital inkjet, digital proofing, digital printing, digital photo printing, and home and office output systems, inkjet printing systems are It has been widely used in production and has a bright market prospect. The "IT Strategy" survey report shows that by 2008, the market demand for large-format inkjet prints will double on the basis of 2003. By 2008, 3.3 billion square feet of material is expected to be used for inkjet printing, and the market's relative sales value is expected to increase to $ 5.13 billion.
Application in small format field
1. Home and Office
Inkjet printing equipment can be divided into small, medium and large format inkjet printers according to format. Small-format (below A3) inkjet printers, as household and commercial equipment, have achieved global sales of $ 29 billion in 2002, including hardware, inks, and printing materials. It is estimated that by 2007, global sales of small format inkjet printers will reach $ 43 billion. This area is dominated by the three major brands of HP, Canon, Epson and Lexmark. Due to the lack of core technology, large domestic electronics companies can only get involved in this field through cooperation.
In this field, most inkjet printers appear as the color output terminals of personal computers. The requirements for quality and speed are not very high, but they are convenient, maintenance-free, and inexpensive. Competitors in this field are mainly ribbon thermal transfer and color electrophotographic systems. Ribbon thermal transfer can basically meet the above technical requirements, but the electrophotographic system is difficult to meet the requirements in terms of system compactness and price.
2. The field of color digital photo printing
In the small-format field, color digital photo printing requires extremely high color quality and resolution, but generally requires imaging speed. This field has developed with the popularity of digital cameras. The size of this system is not large, generally below A4.
The fine inkjet system has achieved stable and accurate printing with 2 picoliter ink droplets on the image bearing medium. The first-level resolution reaches 2400dpi, which is very close to the effect of traditional color silver salt photos, and the price is much cheaper. It can also be produced at any time without pollution.
Application in fields above medium format
The main users of medium format (A3-B0) and large format (above B0) inkjet printers are design institutes and output service providers. The main manufacturers are Epson, HP, Kodak, Roland and so on. At the same time, large- and medium-format inkjet printing is in a period of in-depth development and wide-scale popularization. The localization of products in this area also requires innovation awareness and market acumen of large enterprises.
1. Inkjet technology applied in the field of digital proofing
The effect of the inkjet printer is close to the printing effect, and many publishers output proofs in this way. Since the traditional proofing machine also uses ink to image, in theory, the color gamut it can express is very close to printing. However, the traditional proofing machine relies on manual inking and pressure adjustment, so the effect is very unstable. People in the industry have this experience, that is, the same set of film is taken out for proofing, and the effect is usually different. Digital proofing is digital imaging, which can be very stable. Some devices can also use color inks similar to the ink composition, and the color gamut performance is very similar to printing. It is a foregone conclusion that inkjet printers replace offset printing plate proofing and thermal transfer proofing.
2. Inkjet technology applied in the field of inkjet printing
At present, all large-format printing such as indoor and outdoor displays, advertisements, posters, etc. are mainly produced by screen printing, offset printing and inkjet imaging. A large number of analyses and investigations show that screen printing is most suitable for the production of more than 400 single-piece jobs. In fact, the market demand for 200-piece single-piece jobs is greater.
There are more and more jobs in many varieties and small batches, and the traditional wire mesh method is greatly restricted. Inkjet printing provides a fast and efficient solution for this market.
In specific inkjet printing methods, water-based inkjet and paper-based substrates account for the major market share of large-format inkjet printing. However, the proportion of solvent-based ink and UV-curable inkjet is rapidly expanding. From the perspective of environmental protection and the adaptability of substrates, UV-curable inkjet is likely to become the mainstream of the large-format color market in the future.
3. Application in the field of digital printing
Digital printing currently has two mainstream systems, electrophotography (toner) and inkjet imaging. Applications include variable data printing, publications, personality samples, direct mail printing, commercial printing, label printing, trademark printing, and even anti-counterfeiting printing.
Among them, inkjet digital printing is directly printed by digital files, without the need for plate-making, a business can be printed within a few minutes after receiving the order, which is convenient, efficient, space-saving and manpower-saving. The printing process is easier to manage, and can be printed according to the exact number of jobs required, avoiding the waste in the traditional printing color correction process. In addition, the inkjet head digital printing system using line array combination has an advantage in speed, which can achieve an output speed of 2000 pages per minute.
The TURBOjet wide format digital inkjet printer launched by Sai Angel is one of the fastest digital inkjet printers on the market. The printing speed reaches 400 square meters per hour, the largest format is 163cm × 366cm, and the printing precision reaches 448dpi. This printing machine is specially designed for industrial production only. It provides ink on demand and refills ink without stopping the machine, ensuring the stability and continuity of the printing process.
We look forward to the arrival of a new era of digital printing. Inkjet technology, due to its features such as no version, no pressure, digital files, stable system operation, and a wide range of substrates, with the continuous improvement of its own technology, in the digital environment, it is showing Has shown extremely strong development momentum. In the near future, inkjet equipment with larger format, faster speed, higher quality, double-sided printing support, and UV and waterproof UV inkjet technology will penetrate into a wider market. Inkjet technology will rejuvenate in the digital wave and get greater development.
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