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Some of the world’s leading printer manufacturers continue to make technological innovations and increase their operating speeds. They also adjust their market strategies in a timely manner, taking the improvement of the degree of self-transportation as the main attack direction, and have launched their own automated control systems, triggering a printing industry. The vigorous digital revolution. And these control systems have also become a bargaining chip for the printing press market. The first cause of this revolution was the debut of the sea CP window control system at the 1990 DRUPA exhibition.
Recently, Heidelberg introduced new technologies based on the CP window, and developed the CP2000 central control technology marked by "integration" (ie, prepress, printing, and postpress integration), applied to the Speedmaster series off-web offset printing. machine. The system integrates the full digital remote control of CP windows and the instant ink supply, register remote control system of CPC1-4, and CPC24 image control system. It not only retains the graphic display system of CP windows, but also provides on-line fault display. , diagnosis, etc. After the technology was first exhibited at the IPEX exhibition last year, it attracted widespread attention. At present, there are also more than a dozen printing plants in Shanghai, such as Shanghai, Dragon, Shanghai Tobacco, Shanxi Fine Arts, Shanxi People, and Guizhou Xinhua, which have ordered CP2000 CD 102 or SM 102 printers. According to reports, a prototype of this model has been exhibited at its Beijing office.
"One-touch productivity" - the basic concept of the CP2000 The main difference between the CP2000 offset press and the previous generations of Speedmaster presses lies in its modern design of the console. There is a TFT color display large-screen touch screen on the right side of the console. Any operation can be easily performed on the touch screen. All important functions can be preset and adjusted on the touch screen. The annual job information and machine setting data can be Stored and read on the screen. Therefore, this advanced control technology is imaged as ONE-TOUCH PRODUCTIVITY. This is Heidelberg's introduction of the single-operator Speedmaster SM 74 in 1993, and proposed that the concept of "single-person productivity" has enabled Heidelberg to once again lead the market and consolidate its leading position in the printing machine market in the coming century.
In addition to ease of operation, the press runs are controlled by the CP2000 console through a touch screen color display. The display interface is effective and friendly, displaying graphics, charts, symbols and multilingual help. If the operator is a novice, CP2000's online help and online user manual can answer questions for him and provide necessary help.
New technology, high performance – increased functionality of the CP2000 Higher productivity is the most outstanding feature of the CP2000 press. This high productivity can be attributed to a series of technological innovations. Including CPC image control system, air guide system, modular blanket cleaning device, double-sided powder spraying device, ink line automatic ink supply system and real-time color control system.
1. Image Control System Heidelberg's new image control system CPC24 is a color measurement device that performs quality control under the precise control of the CP2000 console, including a new type of test and a color touch screen.
The CPC24 scans the entire printed sheet through the spectrophotometer (less than 30 seconds throughout the process), measuring and adjusting the color online. This is a pioneering initiative in the printing industry. During the measurement process, it needs to process the information of 160,000 measurement points on the printed sheets. Each measurement point must be compared with the OK print sheet, automatically analyze the basic color and spot color, and automatically display the color validity period with the standard value. After scanning, the ink area information is displayed on the touch screen. If correction is needed, the ink values ​​can be transferred to the press simply by pressing a key.
Measuring images with the CPC24 eliminates the need for color control strips, thus saving paper. Due to the high precision of the image control system, the colors remain constant throughout the production process. The CPC24 image control system improves print quality and productivity and is a core component of single-key productivity.
2. The air guiding system The innovative air guiding system enables the type of tape hedging machine to further strengthen the function of the original paper guiding element, so that the paper feeding between the units can be more effectively achieved.
Heidelberg's patented Venturi air-conducting paper system, which was originally used only for the delivery section, has been successfully installed beneath each transfer cylinder. Negative pressure air pulls each sheet of paper toward the curved paper guide but does not actually touch the paper guide surface. The paper stayed in a layer of momentum when passing between the crew. The independent axial blow system is directly mounted under the air chamber.
Printed materials can be automatically converted between paper and paper. When printing paper with a thickness of 0.3 mm or less, the air guide system automatically starts, shortening the job conversion time and adjusting the preparation time. Because the Venturi Air Guide system avoids direct contact between the paper and the paper guide, there is no need to repeatedly clean the paper guide surface.
3. Modular blanket washing device Heidelberg's new modular blanket washing device uses a cleaning agent and water for program-controlled cleaning. Water, detergents and corresponding washing cycles can be set in advance or individually. The washing module is compatible with the printing unit and can be exchanged between the units.
This system is equipped with two independent nozzles for spraying water and spraying washing liquid. Washing liquid and water can be sprayed directly into the scrub roller. The direction of rotation of the scrubbing roller and the blanket cylinder is reversed. Each time the roller rotates, it is strung about 2 mm in the lateral direction, ensuring that the blanket is thoroughly cleaned. After cleaning each blanket, the cleaning device will automatically clean itself. This washing device makes the cleaning process quicker and more complete, and the amount of detergent is almost reduced by half. All the functions and data of the washing device are passed through the CP2000 central console and control. (To be continued)
Automatic Control System of CP2000 Offset Press (I)
With the rapid development of the printing industry, the automation and intelligent control technology of printing presses has been increasingly concerned by printing companies at home and abroad. A survey of domestic packaging and printing manufacturers in June this year showed that when new equipment is purchased by printing companies, especially imported equipment, the degree of automation has become the most important measure in addition to considering price factors and operational stability.