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Heidelberg has always been a mediator and leader of DI technology. From the first GTO-DI in 1991, there are still 92 units in use. In 1995, the famous eight-boot model was launched: the Fastmaster QM DI 46-4, and the installed capacity of the world exceeded 1,500 units. The 1998 IPEX show Shanghai Debord once again introduced four boot models: the Speedmaster SM 74 DI, which represents the highest level of technology for offset presses today, regardless of quality, efficiency, economy and flexibility, as well as degree of automation, SM 74 DI Both show its extraordinary ability.
The top quality SM 74 DI is mainly composed of three parts. The printing unit is the famous Speedmaster SM 74 in Heidelberg, which guarantees stable production and high quality. In each color group, laser imaging devices are equipped and controlled by the CP2000. With Delta RIP, you can directly accept various digital files before printing and print them directly on the press.
The digital file is first raster-processed by the Delta RIP to generate a bitmap file, which is then imaged by a laser on a no-clean thermal plate and then printed. Eliminating the need for rigorous control procedures such as rinsing film, printing, and stencil printing, there is no loss of dot quality throughout the imaging process.
Direct imaging:
According to the information in the electronic file, the laser directly forms a dot on the print, which makes our control of the dot directly. Since the printing plate does not require development and rinsing, the accuracy of the dots is even higher than that of dots on the separation film, which greatly saves the time and effort for quality control of the platemaking.
Network quality:
The SM 74 DI uses thermal imaging technology that combines stability and high quality, operating under visible light. 2400dpi imaging accuracy, up to 225lpi. The spot laser technology is compatible with the flush-free thermal plate. The edges of the dots are particularly sharp, with small dots, fast ink, and strong ink storage capability.
Screening Technology:
The Delta RIP at the front end of the SM 74 DI uses HQS and IS screening technologies to automatically optimize the alignment of the screens. Different dot shapes can be selected to avoid collisions. At the same time, Heidelberg's “Diamond Network†(FM network) screening technology can also be selected. Because there is no plate-making network loss, the SM 74 DI does a great job for the traditionally difficult offset FM network, making many SM 74 DI users feel superior. . Because they can provide customers with high-quality prints such as pictures, arts and crafts, photography, etc., which are difficult for ordinary offset users.
Digital technology has stimulated the upsurge of technological revolution in all walks of life. The printing industry is certainly not backward. However, relative to the rapid development of digital printing in recent years, the development of printing seems to be lagging behind. In terms of the main position of offset printing, the degree of automation of printing presses is getting higher and higher, but the time for printing a printed matter has not increased much, and it takes at least half a day from the time the film is shipped to printing, and it requires a large number of people to closely cooperate. When it is completed, when it is wrong in the middle of a busy period, the delivery date will be pushed back, which means that this single business may not be profitable. To shorten the production cycle of offset printing and increase flexibility, the key is to realize the digitalization of imposition and proofing, eliminate the need for film use, and achieve the last-minute change before printing; and then cooperate with direct plate-making technology and fully-automatic presses to shorten the time. Printing preparation time. To meet all requirements, the answer is only two words - "DI".
December 24, 2023