For a long time, the new type of digital offset printing plate was considered by the printing industry as simple but not interested in metal pre-coated printing plates, but now the industry is paying attention to it. Why? Because of the rapid growth of CTP, people are evaluating various options in the media market. These options include thermal, rinse-free, UV and blue violet CTP. Five or ten years ago, no one would participate in seminars on plates. Today, plates have become a hot topic. This is due to the printer's efforts to increase production efficiency and shorten the cycle, and the plate plays an important role in solving these problems. It seems that in the future, the interest in the media in the industry is still very high.
This article describes the situation in the United States market. For most of China's printing companies, CTP is not necessarily used at least at the moment. According to British media reports, CTP currently accounts for only 3% of all prepress systems. Most printing companies in developing countries can understand this technology and market first. Direction of development. For enterprises that are currently qualified for CTP, this paper can comprehensively understand the characteristics and applications of various plates for comparison. In addition, we can see why the printing companies in the United States use CTP and under what conditions CTP. In fact, because printing is a mature industry, the profits of printing companies in the United States are quite low, and the average profit before tax is 3%. If the operating rate of the machine is not very high, it cannot be profitable at all.
Digital plate material growth According to industry sources, the traditional plate material market is still stable, there is still a huge demand. Printers are seeking to rinse the plates, and they are interested in CTP and have many options. The thermal plate still has many problems in controlling the dot size and the sensitivity of the no-image area. However, some manufacturers have a good sales of thermal plates. According to Agfa, manufacturers have turned development research into digital media, but traditional metal plates still have a huge market. We expect the overall growth rate of the plate market this year to be 5%. Kodak Poly Lighting Co. also agrees with this view. According to the company, we see a rapid increase in CTP, but there is still a steady demand for traditional plates. The increase in demand for media is due to the decrease in the number of prints and the increase in color used.
Stake the heat version of Kodak Bao Liguang Bao on the thermal plate. According to the company, we strongly believe in the thermal version. We see its usage grow. We will adopt newer technologies in this area next year. We have not developed a non-thermal version.
Just as digital media is attracting the attention of printers, they are also paying attention to emerging on-press plates and blue/violet lasers. Some manufacturers at Drupa 2000 exhibited platesetters using blue/violet diodes.
Benefits of Blue/Violet Laser Diodes According to Fuji, the violet laser diode is a cheaper light source, which shifts the photosensitive range of the plate to 405 to 410 nm, allowing the operator to work under the yellow light. This has the advantage of operating the thermal plate under visible light. The violet diode can also expose photopolymer plates.
Agfa, Fuji and Kodak Polystar are major suppliers to the US metal plate market, and there are many other suppliers. One of them is Lastra's American company, which is an Italian manufacturer and claims to be the world's fourth largest manufacturer of plates. The company sells traditional plates and CTP plates. The company said that we believe that the plate business will maintain healthy development for many years. We predict that in the next five years, the market's growth rate will be 2% to 3%. We have seen a higher acceptance rate of CTP in the United States.
At the same time, printers are exploring a route between traditional media and CTP media. The panel printing company also uses Kodak PolyLight's traditional plates and CTP plates. The company's products include thermal transfer, labeling and packaging, sales materials, short-run publications and hardcover books. The company has 16 five-color to eight-color sheetfed presses. According to the company, we have used Kodak Polystar's KNA4 traditional long-length photopolymerization version for many years. When we switched to CTP in July, we started using the thermal 830CTP version of Kodak Poly Lighting. CTP is used to shorten the cycle and improve quality. Now more ink is transferred to the paper and the registration is faster. Speed ​​is an important factor for us because we print more short-lived jobs, with each batch going from 8,000 to 9,000. At present, 60% of our version is traditional, but our goal is to have 50% each of the traditional version and the CTP version. We are working hard to enable users to transfer jobs through the disk instead of using the film.
Providing On-Demand Services Some newly established digital on-demand printers do not have this option; they only choose digital media. Dream Printing is a commercial and on-demand printer with 23 employees. The company installed the Speedmaster 74DI press for the first time in May, with water and UV coating, and began using the Saphira thermal version of Heidelberg. According to the company, this plate can produce high-quality products and outlets are also very good. We have a 200-page long print and a short print. For example, we print 12 pages of communication manuals and wine brochures, with print numbers ranging from 80,000 to 100,000, and short-lived items, such as the catalog cover of stationery. We make plates on the press. We made five color plates in four and a half minutes. The operation is very simple. After installing the version, operate it on the console.
Dream Printing Company was established in 1992 and provides on-demand printing services. Today, the company serves business-to-business users throughout the United States. It completed 400 batches of jobs each month, and two printing presses completed 40 million prints. Prior to the installation of 74DI, Dream had two Quickmaster DIs and later sold one of them. The company plans to install a 74DI within two months.
Proper blending Many printers are exploring the unification between speed, quality and environmental protection. Perfection found this plate in Presstek's new Anthem product in January. The factory has a four-colored Artest 845 roll press, two bi-color GTOs, an Agfa Chrompress, a Xerox DocuTech press, and an off-site Didde rotary press. The company said that we are looking for new digital plates because our lead time is too short. For old files we still use Agfa's traditional Enco media, but we want to use CTP. We do not need to wash, and Anthem plate is harmless to the environment, our operators like this version, they only need to make an adjustment to the cable, we are very satisfied with this version. Our printed products have very high registration requirements. We print a lot of animal books. The mustaches of animals must be clear, and some underwater photos must be printed dark. The new Anthem version can reflect the details with high quality, while the line version is contrasted with black and white, like day and night. Since we have an average of 1,500 jobs, we must reduce the cost of the plates. We have used 1,000 copies per month since January, and sometimes more. That's why we use CTP.
New digital plates let us look at some new digital plates. Then introduce some manufacturers' traditional analog plates and some other CTP plates.
Agfa launched three CTP plates in March: Mistral, Lithostar Ultra, and Thermolit 0 According to Agfa, Mistral is a thermal plate that requires no rinsing and is designed to have a resolution of 300 lines. This version is based on the thermal cautery technique and can be made in minutes. The Mistral version can be used in the bright room. Best results can be obtained with Galileo Talant CTP equipment and other compatible thermal cautery equipment. Lithostar Ultra is a positive aluminum version that is compatible with all visible light imaging technologies. There are three models: Lithostar Ultral LAP-V (violet sensitive / 400nm), Lithostar Ultra LAP-O (positive color 488nm and 532nm), Lithostar Ultra LAP-R (sensitive to red light / 650 ~ 670nm). It can be exposed using Agfa's new violet laser Galileo VS and Galileo VXT platesetter. (To be continued)
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