Industry Perspective: Inkjet Printing on Drupa (1)
Drupa has been showing some advanced printing technologies since 1995 and one of them is inkjet printing. People have used inkjet printing to add variable information to labels, documents, etc. for two decades. I believe many people in the industry who are concerned about the development of inkjet printing technology still remember the Seiter6240 digital printing machine displayed by Sai Angel at the Drupa Printing Paper Expo in 1995. It uses inkjet printing principles and uses computer control to eject fine ink dots from nozzles. A plateless, pressureless printing machine that forms text and images on a substrate.
In Druba 2000, although the thermal mesh tone proofing technology attracted people's attention, but the inkjet printing technology still dominates the market. After Drupa 2000, inkjet printers that can print on rigid materials are popular. In fact, there are some new web printing machine suppliers that are starting to provide platform inkjet digital printing machines.
Since the drupa 2004 exhibition, inkjet technology has further developed. In 2004 alone, more than 20 manufacturers launched large-format UV inkjet printers. At the Print2005 printing exhibition in the United States, the area of ​​large-format inkjet printing equipment was more than 13 times larger than that of GraphExpo in 2002. Large-format inkjet printing equipment became an important part of the exhibition.
And at this year's drupa 2008, just looking at the inkjet equipment and the crowd of exhibitors standing in front of these devices in the exhibition halls of the Düsseldorf exhibition center, it is enough to explain that drupa 2008 It can already be called "ink-jet drupa" without suspense. In other words, inkjet technology dominates this year's drupa. Inkjet printing is one of the most attractive themes of drupa this year. The new inkjet printing system shows great potential for wide application in printing production.
In this article, after observing the first-hand information about inkjet printing on Drupa 2008 and collecting information from various media, the author separately released the latest product releases, latest technological developments, and latest field applications of inkjet printing. The aspects were simply classified and organized to readers.
Latest product release
Industry insiders said that at least 10 new inkjet printers were exhibited at the Drupa exhibition, including some new sheet-fed inkjet printers and special-purpose inkjet printers. Looking at these devices on Drupa, we can generally summarize the following: HP, Screen, Purch, Océ, Kodak and other equipment have developed web-based inkjet printers, Fujifilm and Web. Screen Company introduced a 4K inkjet sheetfed printer, and Agfa Dotrix and MGI launched inkjet printers for specific markets such as labels and packaging.
1. New web inkjet printer
1. HP 30-inch large-format web printing machine
The biggest highlight of HP's exhibition is inkjet technology. HP's large-format web press is a digital inkjet web press based on latex nozzle technology, and it is the world's first. The machine is aimed at the large-scale commercial printing market. It can print on both sides of the 4-color front and back, with a resolution of 600 × 600dpi, a width of 72.6 cm, a printing speed of 122m / min, and a monthly production capacity of 7000. 10,000 pages, can be printed on many printing materials, can efficiently print book inserts, full-page newspapers and other products. At the same time, the system uses HP color inks and adhesives, so it can also achieve the best quality and image wear resistance on porous paper, and improve color gloss and reduce the through printing of thin paper. The on-demand thermal print head prints on both sides of the entire tape width at one time.
It is reported that this equipment will be on sale from the second quarter of 2009, priced at about 2.5 million US dollars. According to Hewlett-Packard, a color page costs 1 cent, and a black and white page costs only 0.15 cent.
2. Kodak Stream concept machine
Kodak demonstrated the Kodak Stream inkjet technology, Stream concept machine and Stream inkjet head for the first time at this drupa. The Stream concept inkjet head with a width of 105 mm, installed on a Miller-Martiny web offset press, prints variable data on offset prints with its "laser quality" of 600dpi resolution. This inkjet technology integrated on a web offset press provides a perfect example of high-quality hybrid printing. When the tape speed exceeds 300 meters per minute, the variable data is printed on the direct mail print.
From a technical level, the Stream concept machine represents a significant advancement in inkjet printing. In particular, the components of the microelectromechanical system (MEMS) in the inkjet head use short thermal pulses to control ink injection. This allows the printing system to print fine ink droplets at precise locations while operating at high speed. The nozzles of the inkjet head are arranged individually, so although the technicality is not complicated, high speeds can be achieved.
It is reported that the original Stream inkjet concept technology originated from Kodak's film coating technology and is now developed into inkjet printing. Kodak announced that the first officially produced inkjet machine will be launched in 2010.
According to reports, Stream inkjet technology controls the formation of ink droplets based on the principle of continuous inkjet and thermal short pulses, and determines which ink droplets are sprayed onto the substrate and which ink droplets are introduced into the ink return system. In the previous inkjet system, uniform energy droplets were formed from the inkjet by introducing acoustic energy. Stream inkjet technology uses the best control method and higher switching frequency. Therefore, it can achieve the inkjet printing of offset printing quality grade. The combination of Stream inkjet technology with ink and paper will enable printing plants to process a wider variety of substrates, including coated paper.
3. The latest four-color digital inkjet printer from Newport
Nilpeter is a world-renowned Danish narrow-format web press manufacturer. At this drupa exhibition, it exhibited with a brand-new attitude and exhibited a brand-new four designed for industrial web printing. Color digital inkjet printer-Caslon. It is understood that Caslon uses Xaar's latest Piezo on-demand inkjet printhead, which was jointly designed and developed by Newport and FFEI (a British software development and system integration supplier).
Unlike most digital printing systems, Caslon does not require a separate printing environment and production workflow while increasing the existing printing capabilities of the digital converter. Currently, Caslon offers two options for maximum roll width: 420mm (16.5inch) or 340mm (13.5inch). As a standard component that can be installed on the NilpeterFA platform, Caslon can also be adapted to the needs of users who do not need online printing or processing. It is set as a separate digital printing machine with unwinding and rewinding devices. Caslon can print quality close to offset, with a resolution of 360dpi × 360dpi and 8 gray levels.
4. Founder EagleJETL1000 inkjet digital printing machine
Founder EagleJETL1000 inkjet printer is the first digital inkjet printing equipment in China that has completely independent intellectual property rights. It is not only equipped with Founder Electronics' powerful VariFit variable data stream function processing software and other software configurations, but also uses piezoelectric on-demand. Printing and UV curing inks are very suitable for printing labels and other materials that require extensive materials and variable data printing.
Although Founder Electronics has not officially released this product, the digital printing system has attracted widespread attention in the industry in response to market demand such as electronic regulatory codes. This indicates that China's digital printing system technology has leapt to a new level, and also laid a solid foundation for the industrialization of China's high-end digital printing equipment.
5. Océ color continuous paper digital printing machine
Océ JetStream 2200, a color continuous paper digital printer using Océ DigiDot piezoelectric drop-on-demand inkjet technology, can be used for color newspapers, books and commercial printing with high speed. The output speed of the dual-machine Océ JetStream 2200 system is 2052A4 / 2148letter per minute, 2-up, double-sided. With a resolution of 600x600dpi, a print width of 20.3 inches, and a paper width of 20.5 inches, ultra-high speed printing is positioned in the direct mail and variable data markets.
Among them, Océ DigiDot piezoelectric drop-on-demand inkjet technology can produce very small and variable drop size. Therefore, its output quality is higher, the halftone performance is smoother, more ink saving and no waste. The variable ink drop size allows users to change the density of the application to meet the needs of jobs and paper. Océ DigiDot technology can also support multi-level printing, showing richer gray levels, no contour gradients and better details.
6. Agfa multifunction: Dotrix industrial inkjet system
Agfa Multifunction: One of the biggest differences between the Dotrix industrial inkjet system and other equipment manufacturers' inkjet technology is that the system is mainly used for inkjet printing in specific markets such as labels and packaging.
: Dotrix Modular is the world's first system that can handle the different media and sufficient adhesion required by the flexible packaging market, and it is still cost-effective when the printing volume is higher than 15,000 meters. : Dotrix Modular can print a very thin effect to meet the look and feel required by the flexible packaging market.
: Dotrix Modular is currently the most productive industrial inkjet full-color UV printer. When the printing volume is 15,000 meters or more, it is more economical than traditional flexographic printing. : Dotrix Modular is flexible and can be used in different media, including the most commonly used flexible packaging materials such as paper, kraft paper, PE, PP, BOPP and PET, etc., as well as carton and label materials such as heat, pressure and in-mold labels. The wide applicability to different media makes Dotrix Modular a unique solution in the flexible packaging market.
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