Explore the future direction of the printing company
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1. Waterless printing: Offset printing without using fountain solution. Japan is a country that uses waterless printing technology earlier. Its technology is currently in the leading position in the world. The environmentally friendly printed matter produced by this technology also enjoys a global reputation. As an emerging printing technology, waterless offset printing technology was introduced to China in the early 1990s, which has caused widespread concern in the printing industry. However, due to technical reasons, it is currently only used in a few places in China.
With the goal of pursuing high quality and high production efficiency, the number of companies that are currently printing without water is about 230 in Japan, and the number of special printing presses with four or more colors is about 700.
Now an objective comparison between waterless printing and traditional offset printing, I hope that everyone has a comprehensive and systematic understanding of waterless printing.
First of all, waterless printing uses silicone repellent ink instead of the traditional dampening solution to discharge ink. This basically eliminates a series of printing problems caused by improper use of dampening solution, such as overprinting, viscous and loose tail. Of course, it also saves a lot of tuning time and reduces the waste of paper.
Secondly, its unique flat and concave plate structure also has better performance in controlling the dot enlargement and the fineness of imaging, especially in the imaging of small dots, because the effect of dampening solution is not affected, and the sharpness of the dots is improved.
Finally, because there is no dampening solution, there is no drying density, so there is no need to consider the problem of reducing the density after drying the dampening solution during printing. Even on the second day, the color will not change. Even if the customer goes to the printing company to check the printing color, there is no need to worry about the color change. The color seen on the viewing platform is the color to be delivered.
Since waterless printing reduces the generation of various waste liquids in printing, it has always been advocated by environmental protection.
Of course, waterless printing also requires more "harsh" conditions.
For example, due to the reduction of the dot enlargement rate, you need to re-adjust your printing curve, choose the pressure and spacing of the ink roller. In addition, it is important to control the temperature around the press and the ink suitable for the temperature of the plate cylinder. of. Due to the strict conditions in the printing, once the printing press drum arrangement and the printing of the rollers, the management of the ink viscosity and the use temperature is bad, the vicious cycle of poor quality will be caught. Because it has limited freedom of choice in printing paper, ink, and printing plate, the adjustment range of printing is very narrow. Printing can improve the productivity of the printing machine without much skill and experience, and reduce the printing plate. . It does not need to replace the anti-corrosion liquid & isopropyl alcohol, the ink roller to protect the environment (no need to recycle waste liquid), the registration is excellent, and the quality is improved.
Due to the need for equipment investment and plate, ink and paper restrictions in the early stage of the introduction, many businesses are also discouraged. However, it is suitable for printing companies that value the management of printing presses, improve the quality, and add value to environmental protection, in order to acquire new customers. Therefore, "waterless printing" can drive high-end competition.
2. A new generation of inkjet digital printing press JetPress720
Based on the requirements of the offset printing field and the digital field, Fujifilm has introduced the inkjet digital printing press JetPress720 based on the integration of water-based ink material technology (rapid solidifying ink technology) and print head technology (SAMBATM).
To achieve the quality similar to offset printing and more effective than offset printing in terms of production efficiency and cost (when the number of printed books is less than 2,000) JetPress720 did.
In analog offset printing, high-precision, high-resolution images are achieved through a series of printhead technology configurations. On the basis of this, according to the realization of the three-stage variable-size dot forming technology, the tone performance equivalent to offset printing is achieved, and the rapid solidification ink technology is also realized to improve the sharpness of the image.
In terms of production efficiency, printing with four-open size and high productivity can realize printing papers corresponding to 720 × 520 mm, and conversion according to A4 achieves high productivity of 180 pages/min. Due to the shortened publication time and the lack of drying time, the requirements for offset printing corresponding to short and short delivery are achieved.
Since the offset paper is not yet supported, there are still some limitations in the print job. However, it realizes the printing of a variety of coated papers and can achieve printing products without bending and wrinkles, and also meets various needs of customers.
In addition, the integration of the JetPress 720 and XMF workflows also enables it to be more fully functional, maintaining consistency in existing CTP and digital printing results, and implementing and constructing a mix of CTP and digital presses based on connections to XMF workflows. Sexual workflow.
In short, digital printing presses, waterless printing is superior to current offset printing technology. On the basis of exploring the company's future direction, the most important thing is to decide how to import. Digital printing machine: variable printing, short board, multi-variety. Waterless printing: improved quality, no need for too much experience, and is conducive to environmental protection.