Development prospects of offset printing machines
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Since the 21st century, the development of global offset presses has entered a heyday. Major offset press manufacturers have invested heavily in innovation and research and development of offset presses. The high-tech and performance of offset presses has matured. All kinds of sheet offset presses, medium and small format, large format, ultra-large format, commercial and semi-commercial web offset presses, newspaper web offset presses, etc., their technical performance has been improved to different degrees, for printing Production brings a broad choice of well-being.
Although digital printing has brought new opportunities to the printing industry, traditional offset printing still holds the largest market share. According to statistics, in 2006, offset printing worldwide accounted for 65% of the various printing methods. Faced with the huge market demand and attraction, coupled with rising printing market costs, the price of industrial products has fallen, which has led major manufacturers of offset presses to continuously develop and launch new types of offset presses to meet market changes and developments. Competitive demand. Looking at the development trend of the offset press market, we may wish to explore and analyze from the following aspects:
Safer, easier and faster to operate
People-oriented is the goal and fundamental tenet of modern offset printing machine design. Only when the printing machine can achieve the combination of man and machine can the machine achieve maximum performance. As the competition in the printing market intensifies, the printing speed of offset presses has become faster and faster. The large format offset press has reached 13 000-15 500 impressions per hour, and the medium format has reached 18 000 impressions per hour. It reaches 15,000 impressions per hour.
At present, most offset printer manufacturers have introduced advanced and highly sensitive sensing technologies such as infrared and ultrasonic waves into high-speed moving parts as a protective barrier. When operators perform adjustment, finishing, cleaning, etc., once the limbs Inadvertently entering the field of machine operation, the sensor sends a signal to the eye port, and the machine will stop to avoid personal injury. The operation space is small, the operation skill is required, the difficulty is large, the operation is frequent, and the occasion with high strength is improved to electromechanical automatic operation, completely eliminating the safety hazard in the operation. Such as printing plate, rubber and embossing roll cleaning and maintenance, in the past are manual operations, now using mechanized work, but also the above version, adjustment plate, rules, swinging teeth and the drum roller anti-smashing wheel All have been fully automated or semi-automatic.
Information, digital, intelligent
With the rapid development of the global informationization process, people's demand for printing presses no longer satisfies the most basic functions of printing, but also replaces people's thinking, judgment, diagnosis of machine status, and quick response. No adjustment, this reflects the intelligence of the machine in processing information and numbers. After decades of development, the mechanical construction of major brand offset presses has been very similar, but in the offset printing machine into electronic information, digital technology, is in the fierce competition for the commanding heights in this field.
One of the technical difficulties in offset printing is the ink-and-wash balance. As the variable-speed motor independently drives the water roller structure to replace the original mechanical structure, the water quantity is no longer changed by the random machine speed, but the operator according to the printing process requirements. Any adjustments are made to greatly improve the ink balance technology. However, the difference in understanding of water volume between people, the difference in environmental conditions and the difference in technical level and ability skills have led to a world of difference in the quality of printed products. Now technicians are trying to make the process parameters required for various complicated situations into software, which is preset in the offset printing machine. The operator only needs to input relevant data to start the ink-and-water balance software system, and the machine mouth is operated according to the optimal program. Similarly, offset printing, emergency handling, special process requirements, etc., which were previously done manually, are now being replaced by modern intelligent functions. I believe that with the development of automatic control software, the printing machine will one day Become a machine that everyone can control.
Automated, multi-color, double-sided
The first condition for improving production efficiency is to introduce equipment with high degree of automation. At present, the degree of automation, operability and perfection of offset printing machines have reached a new level. The offset printing machine can accurately preset the printing parameters of the new printing while printing the printing, so as to input the next batch of printing in the shortest time, so that the pre-press preparation time is greatly shortened. It can be done in a few minutes. High automation will be the direction pursued by sheetfed offset presses in the future, and as a result, production efficiency will leap to a higher level.
Double-sided printing has a long history, but the earliest double-sided printing is mainly based on text printing, positive and negative leather. With the popularization of multi-color printing, the printing industry's pursuit of multi-color has moved from four colors and five colors to six colors and eight colors. In the era of fashion printing, especially the performance of modern design features, more need to use multi-color offset press to complete. If you use metal color or glazing to make it a high-grade print, you can't simply use ink overprinting, but use the spot color ink to directly print the same color on the offset press.
In order to overcome the offset offset press, the sheet-fed offset presses must increase the added value of printing. Most of today's sheetfed offset presses use on-line glazing units to complete thick and fine glazing at one time. In recent years, two glazings have been popularized, and two glazing units are equipped after the printing unit. The first glazing unit performs aqueous glazing, and after drying, enters the second glazing unit, and then performs partial UV glazing, and after UV curing, a high-gloss print can be obtained.
With the rapid development of high-tech offset printing presses, it has indeed made printing users' eyes shine brightly, and the LED printing market, which has a lot of achievements, is attractive and unprofitable. But don't blindly pursue the trend of high-tech offset presses, which may not win the market and success. Only the pragmatists who grasp their product positioning and market will appreciate the joy of success.
Fine, accurate, and spiritual - detailing four-color multi-color offset printing machine
As the saying goes: "The river is in the middle of the boat, the boat is so good that it is difficult to turn around." A four-color multi-color offset press is like a small boat. Because of its relatively low investment, it is arguing in the highly competitive printing market, often showing great flexibility and flexibility to control your printing jobs. For small and medium-sized printing companies that have just entered the printing industry and are developing, it is a reasonable expectation to choose a four-color multi-color offset printing machine. Because the vast majority of printing companies grow and grow, they will experience a process from small to large, from weak to strong. Choosing a four-color multi-color offset press is undoubtedly an ideal foundation for emerging printing companies to start a business, and the only way to help companies start their business. In addition, mastering and manipulating four-color multi-color offset printing presses will surely lay a solid foundation for your future large-format offset printing presses.
Some people are worried that the size of the four-color multi-color offset press will be inferior in the printing job market. In fact, this is a one-sided view that the performance of the four-color multi-color offset press is not comprehensive enough. Nowadays, the competition in the printing market is becoming increasingly fierce. Customers are increasingly demanding printing companies. They often want high-quality and high-value prints and services. Printing companies face tight deadlines every day and demand higher. More rigorous jobs, in addition to challenging the brutal bidding, flexible response to competitors for different print jobs. Therefore, having a four-color multi-color offset press will not weaken the competitive strength. In a sense, it has specific competition expertise to meet the needs of enterprises and customers. Looking at a wide variety of print jobs, it is not only the large and medium format offset presses that take advantage of the printing. The four-color multi-color offset printing machine can also undertake a variety of jobs, especially for printing short version, small size, fast delivery of the printing, more can show absolute value and advantage, occupy a pivotal position in the enterprise.
The value and advantages of four-color multi-color offset press
People may wish to analyze and discuss the technical performance indicators of four-color multi-color offset printing presses. Today's four-color multi-color offset printing presses have greatly improved in terms of functions, efficiency, and automation operations, mainly in the following aspects:
● Printing speed is up to 15,000 per hour;
●With automatic or semi-automatic loading and unloading function, it greatly shortens the auxiliary working time;
● With printing plate, blanket roller, and automatic cleaning function of ink roller, it greatly reduces the labor intensity of operators;
● With automatic ink remote control function, it ensures that the printing ink color is always consistent in high-speed printing;
●With double-sided multi-color printing function, the double-sided printing job can be printed at one time, which is free from the trouble of the secondary printing overprint caused by the deformation of the paper after one printing;
● Equipped with high value-added online glazing device to greatly improve the quality and value-added potential of printing;
● Pre-configuration and CIP4 workflow interface, making the printing process management control more automated.
More importantly, the advantages of the four-color multi-color offset printing machine are also reflected in its small footprint, easy operation, simple matching, cost saving, low investment, high quality, fast efficiency, and revenue growth.
All in all, the advanced functional advantages of the medium and large format offset presses are also available in all four offset presses. This is also the way that the four-open offset printing machine can meet the production demand for a long time, adapt to the trend of development, and stabilize the market.
When digital printing presses were first introduced, industry insiders were generally worried that digital printing would impact the market advantage of traditional small-format multi-color offset presses. However, from the development in recent years, the advantages of digital printing machines are mainly in the printing of on-demand and personalized printing jobs, and the cost of sub-costs is too large, which has little effect on the market of small-format multi-color offset printing presses. With the maturity of CTP plate making technology, four-color multi-color offset printing presses have increasingly demonstrated the dominant position in the field of commercial small format fast printing. At the same time, it meets the requirements of “good consistency and high production volume” advocated by the market, which brings unlimited business opportunities to medium and small printing enterprises.