The drupa exhibition, which has attracted the attention of the industry, will be held in Dusseldorf, Germany. As the stage for the display of the latest technology, people are speculating about the future this exhibition will point to for offset equipment. At this exhibition, technical highlights will focus on providing solutions to the problems facing printers today. Maximizing production efficiency, providing value-added services, multiple choices of printing press format, and reducing the impact of printing on the environment, these will become the foreseeable four development directions of offset printing equipment.
For more than 50 years, printers have always gathered Drupa to see the latest developments in printing press technology. Spring 2008 is no exception. At that time, global printers will travel to Düsseldorf to witness the technological advances displayed by the five largest sheetfed press manufacturers in Heidelberg, Manroland, KBA, Komori and Mitsubishi. At the previous drupa show, equipment manufacturers competed to demonstrate technological progress to attract the attention of the audience; while at this show, the technical highlights will focus on providing solutions to the problems facing printers today.
This will mean an emphasis on efficiency, manifested as improved networking and reduced print preparation time; for the versatility and productivity of printing presses, the former appears to increase glazing and other in-line processing processes, and the latter represents printing The speed is faster and the paper size is larger. On the whole, the automation function of the printing press will be strengthened, thereby reducing the requirements of personnel for equipment operation.
Since printing is undergoing essential changes, all this is necessary. The print must prove its justification over other media, and the printer must also deal with very professional buyers who plan to purchase globally. When it comes to drupa, Bernhardschreier, CEO of Heidelberg, pointed out that now the competition for time-insensitive products has spread all over the world, which means that in order to compete, printers in developed countries have to change themselves. He made the following explanation: "Printing service providers can only maintain a long-term competitiveness and profit by systematically developing from manual processes to industrialized technologies. Printing companies must be equipped with the latest printing machines and systematically integrate and network all processes . "
Albrechtbolza-schünemann, President of Drupa and CEO of KBA, agrees. Looking ahead to the drupa show in 2008, he said: "What you can expect is the higher performance of the digital printing system, the entire workflow solution covering the entire printing production process, and the mysterious protagonist of this exhibition-conventional The development of sheet-fed and web-based printing machines in automation and integrated processes (wire surface finishing, wire quality control, etc.). "
At the previous drupa show, the potential benefits gained through cip3 and jdf networking have been discussed. At this exhibition, since every equipment manufacturer has experience in trial installation, and there are real data to prove that this is a more productive and effective way of working, this potential will become a reality. The data gap is being bridged as the impact of jdf expands. The prepress information used to set the ink fountain is now being connected through the setting information of paper specifications and grades provided by paper mills and paper merchants. [next]
Maximize production efficiency
Attention to Heidelberg will be divided into two: one is its new large-format printing machine series, another anicolor ink supply system. Both are responses to the changing environment, and printers find themselves having to cope with this change. The release of the large-format Speedmaster xl145 and xl162 sheet-fed printing presses will be the focus of attention. They are designed based on the successful 18,000 sheets / hour speed of the Speedmaster xl105 and will wait for the first sailing at the exhibition. Compared to a 40-inch (b1 format) printing machine, a larger format device allows commercial printers to place more pages, labels, cartons, flat surfaces, or mixed products on a single sheet of paper. Developments in the areas of layout software, computer-to-plate and automatic setting mean that operating these devices is as easy as operating a full-open or folio printing machine.
Heidelberg has discussed the need to provide double-sided printing options for these devices. If the double-sided option is indeed added to the Speedmaster xl105, then a larger-format printing machine may be used as a printing machine with full-page coating and UV performance options. Was launched.
Like Manroland, KBA has the most experience in the large-format field, which will emphasize the value displayed by wide-format double-sided printing machines for 40-inch double-sided printing machines. Japanese equipment manufacturers continue to consider whether the size of the market makes them large enough to provide larger format, rather than focusing on reducing the existing equipment to reduce the printing preparation time and improve the degree of automation. Mr. neilsutton, general manager of Komori UK, said: "We are all in a very competitive world. Due to the arduous challenge of low-cost competition, maximizing production efficiency is all that the market competition includes. Komori is already automated. Pioneer, we are constantly improving the degree of automation of the equipment, I am sure this will be obvious at the drupa 2008. "
For Manroland and KBA, the next step is to place a separate motor on the plate cylinder so that the plate cylinder can run independently, so that the setting process can be started in parallel. This means that all printing plates can be replaced in several steps at the same time. For example, cleaning the blanket and changing the printing plates can be performed simultaneously rather than sequentially. Dr. Markusrall, Director of Manroland Sheetfed Press, believes that since directdrive, the time for plate replacement has become irrelevant. He said: "By making processes such as cleaning blankets and pre-inking happen in parallel, we can shorten the printing preparation time. It takes a minute to replace a printing plate is no longer a relevant factor. Directdrive gives us what we need to deal with short printing Maximum productivity. "[Next]
Get value through additional services
Dr. Markusrall added: "Since all printers have demanding customers, they require shorter print preparation time, which means they must produce jobs at lower cost and in accordance with quality requirements. Printers must not only As printing companies, they must become service providers to differentiate themselves. "
The requirement to become a service provider emerges with another key theme of Drupa: value-added printing. For printers who must provide the fastest turnaround for short-form jobs, the automation features provided by Manroland directdrive, Mitsubishi simulchanger and KBA drivetronic will be essential. For other printers, what is needed is to add additional colors, paints and varnishes to provide print buyers with more choices as a means of creating differences between the two printers. In addition, where possible, different production steps must be carried out simultaneously with the printing process. This demand is causing printers to be equipped with more than one coating unit and combined dryer, and be able to print on a wider range of materials. The hot stamping function is becoming an option that can add more value to printed sheets. Apply glue to the paper in one printing unit, and then laminate metal foil in the next unit, and the metal foil is glued to the image where the glue is applied. If the metal foil is too large, printing metal ink to produce different effects to gain offset printing, this method is now favored by Plus.
Other wiring options include embossing and die cutting, which eliminates the post-production process. For large format printers, the paper cutter in the take-up device cuts out two jobs in parallel, or generates a large sheet that is easier to finish. Similarly, printing UV inks are becoming more and more popular. UV inks have a higher level of gloss, and the paper collected at the paper delivery device of the printing machine is completely dry and can be processed immediately after printing. It is expected that UV offset printing will achieve an annual growth rate of 10%.
UV printing also extends the range of inks and coatings that can be used. One of the interesting areas KBA will use is to enhance the integration between the printing press and the rfid label on the paper to further move towards computer integrated manufacturing. At the same time, the rfid label itself is also open to UV sheetfed offset technology An application place.
KBA's Mr. Klausschmidt explained: "This method incorporates the offline process into the printing press in order to shorten the production cycle." Recent developments include the installation of corona discharge static elimination in front of the printing unit In order to improve the adhesion of ink to the substrate, so that it can be printed on plastic.
This level of continuous production is a need to ensure quality. As Manroland, KBA and Mitsubishi become the mainstream technologies in the packaging field, the online inspection system will be widely used. Video inspection can detect every defective paper and reject those that do not meet the set standards. Heidelberg took a different approach. It installed a spectrophotometer inside the printing press to measure the color of each paper. For Speedmaster CD74 printers, this method shortens the printing preparation time and eliminates quality fluctuations in a batch of printing. Other equipment manufacturers provide this closed-loop control through the console. [next]
More options for format and paper size
KBA is climbing the commanding heights of large-format printing presses, from rapida130 to rapida205, which is almost certainly the largest sheet-fed printing press in the world. At Drupa, KBA will see double-sided printing technology demonstrated on these printing presses, emphasizing the huge productivity of double-sided printing in one pass, and 16 or 32 pages can be arranged on a sheet of paper. KBA's technology will arouse great interest from book and periodical printers, but digital printing still has a major impact on these printing companies.
Small printing companies will get an interesting choice of printing press format. Equipment manufacturers such as Sakurai and Ryobi have begun to enter the field of large-format printing machines as digital equipment manufacturers have invaded their traditional market layout. But they are not on the heels of the top five equipment manufacturers, but on equipment that can print sra1 (36-inch) paper. These manufacturers believe that the extra paper size is purely redundant for many printing companies. A device with a width of 92cm means that the printing company can print 8 pages of paper without spending too much money.
Small printers around the world do face the choice of embracing digital printing or maintaining offset printing. The direct imaging equipment of presstek and screen company brings an interesting intermediate point, especially presstek is planning to show a direct imaging equipment that can arrange four pages. More printers will be attracted by Heidelberg's anicolor ink supply system. Because this concept is recognized by many printing companies, it is speculated that large-format equipment will be added to the 52cm width at the Drupa exhibition. In the anicolor ink supply system, the conventional 18 ink roller queue is replaced by two ink rollers of the same size as the plate cylinder. In each rotation, the printing plate is applied with an appropriate amount of ink by the anilox roller instead of the ink key. Since the printing press faithfully reproduces the content on the printing plate, there is almost no need for color correction. The anicolor ink supply system uses conventional inks, printing plates and fountain solutions, and has all the cost advantages that offset printing companies have over digital printing equipment users. However, the most significant advantage is that the printing preparation time is shortened by about 50%, and the waste is reduced by 90%, which makes the anicolor ink supply system on short-run jobs have a strong competitiveness for digital printing machines, and as the number of prints increases More cost-effective. Mr. Bernhardschreier expects the anicolor ink supply system to become one of the key showcases at Drupa. He said: "We will show many additional services and solutions in Düsseldorf to further improve customer effectiveness, efficiency and productivity . "
This will extend the role of printer manufacturers beyond the level of supplying equipment. As printers are committed to reducing costs, it is becoming increasingly important to maximize the production time of printing presses while avoiding unexpected failures. The Drupa exhibition will introduce a method to monitor the status of the printing press: use the Internet to link to the service center, and confirm when the printing press needs to be checked to prevent unexpected failures. [next]
Reduce the environmental impact of printing
Part of the other trends at the drupa show stemmed from the reduction in printing preparation time and waste, which is to steadily reduce the environmental impact of the printing process.
In many regions, the use of high-concentration isopropyl alcohol (ipa) printers or the use of detergents with high volatile organic compound (voc) content has become unnecessary or prohibited by law. All equipment manufacturers will emphasize that they are reducing the impact of printing presses on the environment, while the use of alcohol-free fountain solution will spread throughout the world.
For those who want to feast their eyes on the eyes, the drupa exhibition is a fascinating exhibition on the whole, while it is still an important printing industry exhibition in the world. Printers may not see many new press designs, but the concepts and choices it demonstrates will make the Düsseldorf trip worthwhile.
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