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The biggest challenge for traditional offset presses comes from digital presses. This is a well-known fact. The latest presses not only include prepress processing and printing, but also include post-press finishing operations such as digital folding, binding, and cutting.
With the increase in social development, market diversification, and individual needs, new printing needs such as short-run printing, personalized printing, and on-demand printing have prompted printer manufacturers to vigorously develop color digital printing machines. At the IPEX 2002 exhibition, world-renowned printer manufacturers exhibited their latest color digital presses and digital direct imaging presses. In these presses, it is fully demonstrated that the printing press is making great strides in the direction of high automation and printing integration, which is also the biggest feature of this exhibition.
Since Drupa 2000, printing machinery manufacturers have made major changes in the concept of exhibitions, from "showing their own products" to "displaying product solutions that users need," and world-renowned manufacturers have launched integrated solutions. Users only need to choose among the numerous solutions proposed by each manufacturer. This exhibition is no exception. Heidelberg, Manroland, Agfa, Xerox, Creo and other large companies have all launched a variety of integrated solutions. For example: Heidelberg introduced digital printing solutions, commercial printing solutions, commercial rotary printing solutions, industrial printing 1 and industrial printing 2 solutions, and post-print processing solutions, and displayed many of the most Advanced printing machines such as NexPress 2100 color digital printer, QM DI 46-4 Pro, Speedmaster Speedmaster 74-5-P +L D1, Speedmaster CD 74-5+ LX and CD 102-6+LX, Printmaster QM 46- 2-N1, Printmaster Printmaster GTO 52-2-P, Printmaster PM 7n-2-P, Speedmaster Sp8eedmaster SM 52-2, SM 52-5- P+D, SM 74-10-P6, SM 102-12 - P7+Cutstar, etc. The Hall 8 where Heidelberg is located is, as always, the most popular pavilion. The printing company PrintCity (Pavilion No. 17 and Hall 18) built by famous printer manufacturer Manroland and 31 companies such as Agfa has once again become a focus of attention. Many integrated solutions are dizzying. Manroland’s DICO web direct-imaging press, which represents Manroland’s latest digital technology, is particularly prominent with its unique shape and near-mysterious core. Manroland also exhibited the new Roland 200, 300, 500, 700, 900 advanced presses. This article only briefly introduces several models.
1. The NexPress 2100 color digital printer The NexPress 2100 printer was produced by NexPress Solution LLC, a joint venture between Heidelberg and Kodak, and exhibited at Drupa 2000 and Chicago Print 01. Both were highly praised. It also appeared in the 8th pavilion of IPEX 2002. It uses an LED laser to form an image on the imaging drum. The image is then transferred to a blanket cylinder and transferred to paper. Dry ink (toner) is used to achieve an image resolution of up to 600 dpi. 300g/m2; the maximum size of the paper used is 350×470mm, the minimum size is 210×279mm; the maximum size of the image is 340×460mm: the printing speed: (A4: two-sided 4 colors) 2100 pages/hour, (A3, double 4 colors 1050 pages/hour, (A4, 4 colors on one side) 4200 pages/hour, (A3, 4 colors on one side) 2100 pages/hour; this machine is suitable for high-end short-run color printing, and can realize variable data and Variable image printing, its NEXQSYSTEM quality control system ensures the high quality of the machine's printing.
Second, Speedmaster SM102 offset press The new generation of Speedmaster SM102 offset press is a high-quality, high-efficiency, high-flexibility offset printing press in the field of commercial printing, advertising, publishing and printing. It can complete roll-over printing at one time. SM 102 presses can be flexibly configured for various models based on user requirements. The SM 102-12-P7+CutStar exhibited by IPEX 2002 is a leader in the SM 102 model. It is equipped with 12 printing units and is capable of printing on 6-color double-sided printing or 5-color double-sided printing. It can also be configured with The CutStar device, which is used for web printing, is cut into single sheets and printed again. The CP2000 central control system that further improves the design according to the latest technical standards and man-machine optimization standards fully embodies the highly intelligent press control system in Heidelberg. Through the CP2000 control center, it can be linked with the digital prepress operation, making full use of the PDF of Heidelberg. The workflow system organizes prepress operations to improve productivity and production flexibility. It also has an open CIP3 interface. It uses the data obtained during the layout process to preset post-press processing settings, such as the Pola 137 cut. The paper machine, Stahl TD 78 folding machine, and Stichmaster booklet shorten the preparation time and increase productivity. The CP2000 control center can also carry out all important operations such as automatic printing, reference adjustment, ink supply, dusting, and setting up of the cleaning program, through a user-friendly color touch screen. It can store the data parameters of 250 prints. This memory can also be used to store thousands of print data through a memory expansion module. This module has search and filter functions and can be retrieved quickly and reliably, thus realizing duplicate prints. Quick Setup. The CP2000's management interface allows for flexible integration of existing print and product management systems, while the online help interface enables Heidelberg experts to further provide users with troubleshooting and troubleshooting services; rapid color adjustment software packages can provide ink supply systems. The reaction rate is accelerated by 50% to 70%. When the printer is turned off and adjusted, the intelligent alcohol dampening program allows the printer to quickly reach the best working condition to ensure the vivid color and high quality of the printed product. Heidelberg's newly introduced CPC 24 image control system can directly measure printed images without the use of dedicated color control strips. The sampling point is up to 160,000 square points. CPC 24 lays the foundation for the integration of imprinting, printing and post-press quality. Solid technical foundation.
Shortening machine and downtime and increasing productivity are one of the outstanding features of the SM102 offset press. It is mainly controlled by the CP2000, using ink line automatic ink supply, modular rubber cleaning device, synchronous cleaning system (cleaning impression cylinder), and timely colors. Adjustment technology, double-sided dusting, printing machine fault diagnosis technology, etc. The automatic ink supply device of the ink line directly supplies ink through the central ink supply system, shortens the adjustment preparation time, and reduces the laborious refilling work of the operator. The newly-enhanced enhanced automatic plate changing system is a fully automatic plate changing device controlled by the CP2000 to start, operate, and monitor, which further optimizes the printing plate operation mode and shortens the plate change time. The modular blanket cleaning device is a stand-alone system that has a laterally oscillating brush roller whose steering is opposite to that of the blanket cylinder and which can quickly complete the cleaning of the blanket.
Third, Heidelberg Express PA QM DI 46-4 Pro Digital Direct Imaging Press PA Express QM DI 46-4 Pro presses with a satellite structure, the impression roller is 4 times the diameter, it uses Protek or similar laser technology from Presstek The plate was digitally imaged directly on the plate, followed by waterless offset printing. The plates in the plate cylinder can be used for 35 continuous print jobs. The new and old plates can be replaced in only a few seconds. After the new version is positioned, it can be directly imaged in 4 minutes, and then it can be printed by automatic flushing. The entire preparation process takes only 12 minutes. The amount of ink and the ink amount distribution of the four colors were calculated from the delta RIP image data, and the ink fountain controlled by the CPC was preset using the ink amount distribution curve. The operator can remotely adjust the ink supply of each printing unit at the console, and the time for color adjustment is greatly shortened. Because waterless offset printing is used, water-ink balance adjustment is eliminated, and the printing speed can reach 10,000 sheets/hour after starting up.
In order to further improve the printing quality, the QM DI 46-4 with Delta RIP can print up to 200 lines per inch.
Heidelberg also introduced the infrared drying system program, saving the amount of dusting, drying time is reduced by 40% to 60%, and thus to be suitable for rapid printing.
IV. Heidelberg Speedmaster 74 DI Direct Imaging Offset Speedmaster 74 DI printing press is a combination of traditional Speedmaster 74 offset printing machine and thermal imaging direct plate making technology. It can be used for both traditional printing and direct imaging. After printing, ordinary PS plates can be used when using traditional printing methods.
The Speedmaster 74 DI printer adopts a series of new technologies such as the CP2000 control center, automatic printing, automatic cleaning of the ink roller and roller (including rubber, impression cylinder), temperature control of the ink unit, and automatic operation.
The CP2000 Control Center can control direct imaging, preset printer functions, remote register and ink roller speeds, and the PivotTable touch screen controls the entire machine's hub. Its "fast color scheme" processing package accelerates the reaction of the ink supply unit, thereby reducing waste.
The Speedmaster 74 DI printer can also be equipped with a turnover device, an on-line light unit, and a Dry Star 2000 infrared drying system. It can be used to accurately align and imprint on the machine. It has an input interface for connection with prepress. The CIP3 standard is used to preset post-press processing equipment (such as paper cutters, folding machines, etc.). Ink line is available.
V. MAN Roland Man Roland DICOweb DICOweb Direct Imaging Printer DICOweb uses Creo thermal laser square dot image technology to digitize digital data processing of prepress systems through a thin layer of polymer The thermal tape composed of the coating and transfer layer is transferred to the acceptable ink dot image on the surface of the special metal sleeve outside the plate cylinder. The image is cured by heating to improve the printing resistance, and printing can be performed in normal printing. Under the conditions, 40,000 high-quality prints can be printed. When the printing is completed, the metal sleeve is cleaned with a special cleaning solution, which can be reused after wiping with a cleaning fabric. The sleeve can be used about 300 times. It only takes 10 minutes each time to turn into a new live print.
The DICOweb Field Brush was in experimental development as early as Drupa 95. Drupa was in its test phase at 2000, and it was already available at IPEX 2002. It is said to have been sold. It is Manroland's most advanced digital press. .
DCOweb presses are suitable for the conversion of short-run, fast color printing services. They have direct on-machine imaging capabilities, erasing images, repetitive productions, etc., to be replaced quickly. The new DICOweb digital printing platform system is integrated by four platforms: process platform (including plate making process, printing process), software platform (including prepress integration, network, image management, center control), electronic platform (including control, development structure, computer Hardware), mechanical platform (including wallboard, transmission, rules, sleeve technology, ink supply and paper handling).
DCOweb platform can be combined into various types of printers needed by users. Various auxiliary devices and additional devices on each unit can be integrated with prepress and online postpress equipments to form a highly automated and integrated press. DCOweb's rollers are driven by independent drives. The wide modular design and high degree of compatibility between system components provide a reliable guarantee for satisfying users' special printing needs and the integration and extension of post-press processing systems. According to reports, DICOweb printers can print up to 24 colors. Due to the high resolution of the plate laser, which can reach 3200 dpi, and the machine's high manufacturing accuracy, the two-color and color register of substrates can be very accurate.
DICOweb eliminates the need for film and plates, lowers printing costs, and the cleaning fluid is environmentally friendly. The customer can easily change the printing format so that this printer can fully meet the requirements.
Looking at the development of offset press from IPEX2002 exhibition
The unprecedented IPEX 2002 exhibition has just ended in the Birmingham Exhibition Centre in the UK. Like Drupa 2000 and Chicago Print 01, the computer-to-plate technology (CTP technology), digital printing technology, digital chemical process (process), CTP version Materials and other new technologies, new equipment, and new materials are still the highlights of the exhibition. The current printing industry is headed toward digital and network development. At the meeting, the fields involved in digital transformation have long gone far beyond the original prepress areas that were originally thought. New types of printing presses and post-press processing equipment are no longer in the traditional sense of the press and post-press processing machinery, but are also digital technologies. Closely linked. IPEX 2002 further promoted the transformation of the brushing industry into a fully digital work.