China made the sound development of web-fed printing press industry - Steel Structure Buildings manufacturer
China-made web-fed presses from the 20th century, the late 70s early 80s. At that time, letterpress printing books and newspapers rotary printing press is moving towards phasing out the offset as a transitional device - sheet-fed printing press and gradually developed double-sided book, when developed countries have also organized the whole sheet of paper two-sided printing of the battle to adapt to books the printing cycle is too long the status quo. The rise of web printing equipment, printing equipment was the major publishing printing market can not meet the needs of rapid growth, particularly in highly time-sensitive news and publishing needs. The rapid development of web-fed printing, rather than to achieve fast continuous two-sided printing, on-line for cutting, folding, and even, and accumulation of their original packaging, commercial advertising inserts, distribution equipment connected to high efficiency are inseparable. In our country many varieties of printing machinery and equipment, web press product is one of a few varieties of sound development. So, web-fed printing press is taking the healthy path of development, mainly refers to the equipment with high technological content, businesses large scale, supporting a wide range of funds and long-term occupation characteristics, which caused many companies are deterred by not hastily into this area, so this area is relatively less intense competition, there are no other product. At present, China has formed the group of the north and Shanghai Gauss monopolize the market pattern. Although there are some production narrow web press manufacturers and there have been 12 production, small-scale web-fed printing press manufacturers, but the market share and production and sales and these two companies could not compete, some enterprises may be Wind & Fire a few years, but still disappeared.
The sound development of web-fed presses Another reason is the large number of printing machinery products, in addition to large-scale web press printing (double-width machines), the product of domestic sales, exports and imports of the growth curve very similar, both to maintain a smooth growth trend (in 2001 a substantial increase in imports and the sharp decline in 2002 is the year the country made imports of duty-free market policy, the date of termination resulting from variation of behavior).
Another reason is that web-fed printing press technology development, although half a beat slower than the overseas development, but the main application of new technology projects has been in the forefront of other products.
Commercial web press in 1994 after entering the country, followed an upward trend in market demand, now has a very large scale. According to the source statistics, in 2003 only in Beijing, Shanghai and Shenzhen in the three places have been imported for more than 60 units in 2004, continued to maintain a rapid growth momentum. Foreign printing machinery manufacturers have also launched their Chinese demand for commercial web presses. The growing market demand for such models there are three reasons: first is a commercial web press with high productivity. Because it is to go straight paper printing, printing speed multi-color sheet-fed printing press 2 ~ 3 times, double-sided printing at the same time the total production efficiency is the multi-color sheet-fed printing press 4 ~ 6 times more, thereby reducing the high-end print The print cycle, reducing processing costs of print, so the favor by printing companies. Second, because commercial web press has made a breakthrough in technology, using coated paper in the printing quality is close to the level of quality sheet-fed presses. Commercial web press print quality and speed of technical support, such as zero-speed automatic access of paper, high-speed automatic access of paper, the second tension control, drying devices, cooling systems, polishing equipment and technologies such as Auto-Alignment has become a mature technology, resulting in the rapid development of commercial web-fed presses. Finally, the development of the advertising industry, color printing market demand growth, especially color magazine printed materials, newspaper inserts color coated paper, color and color commercial advertising textbooks, books, books of the increase in phone book, so that commercial web press market continues to expand, to form China's commercial web-fed presses imported heights. According to customs statistics: in 2001 imports of web press 253 units, 2.6 million; in 2002 imports of 155 units, 0.7 million; in 2003 imports of 131 units, 1.26 million; in 2004 imports of 106 units, 168.6 million U.S. dollars. As can be seen from the statistics, imports decreased year by year, and import volume has its own run-in significantly every year. This reflects mainly a few years ago to a newspaper printing press and then a few years the main equipment imported commercial web presses. Domestic commercial web press manufacturers start since 1996, although the availability of two commercial and semi-commercial products, and in China Print2005 an international exhibition on display at the printing speeds of up to 40000 / h of commercial web press and to achieve a small number of unit exports, but the basic reliance on imported commercial web press the status quo has not changed. This import and export imbalances have remained unchanged for nearly a decade, should arouse the attention of all aspects.
First, rapid growth of domestic market demand
Domestic web press market, the market from a macro perspective, the newspaper publishing industry, the fastest growing. 20 years of reform and opening up, China's newspaper publishing industry has gone through a handful of several official newspapers to the current issue of the 2119 kinds of reach in 2003; the number of pages of newspapers over the past 4 version, reached the current version of dozens, or even 100 pages or more (of course, is to open four newspapers); papers from newsprint black and white printing to the current color printing or color insert printing; In recent years, art paper color printing color tabloid newspapers and a large number of supermarket distribution. All these have greatly increased newspaper circulation, thus promoting the rapid growth of web printing equipment, in particular, the growth of commercial web-fed presses. Of course, this growth and the improvement of people's living standards are closely linked.
Another web-fed printing press market is the printing of periodicals and books, also passed a similar course of development with the press, from black and white - color printing; a small Folio - large-format books; books from offset printing paper -- coated paper printing. According to statistics of General Administration of Press and Publication, 2003, China published in 9074 kinds of periodicals, book publishing 190,391 kinds, including for the development of education, textbooks, reference books of the growth is also considerable. These have contributed to the growth of web printing equipment.
Second, the rapid growth of web-fed printing press import and export
Web press the market to make the sound development of the rapid growth of export volumes. Since 2001, growth in exports of such equipment each year about 50%, an increase of almost a straight line curve. Web-fed presses faster export growth for two reasons: First, Shanghai Goss Printing Equipment Co., Ltd. became the Gaussian main production base, production base of the United States after the closure of a large number of orders have been placed in the printing unit Shanghai production, so that Gaussian Shanghai into an international enterprise, not only the sustained rapid growth in domestic sales of foreign supply is also growing rapidly, and also reflects the level and quality of manufacturing improved. Second, the North Group Corporation's web press products to a large number of varieties, modular, open design, the maximum adapted to the individual needs of domestic users in recent years, sales doubled, while exports of machine commercial printing unit exports have hit a remarkable performance. It can be said that the two companies contributed to the substantial increase in exports of web-fed presses. Web-fed presses rapid export growth curve shown in Figure 2. As can be seen from Figure 3, web-fed printing press growth of imports from the 2.5952 billion U.S. dollars of imports in 2001, suddenly fell to 0.70052 billion U.S. dollars in 2002, it is mentioned earlier in this country duty-free import of 60000 / h web printing press caused by non-policy factors, the normal import, and later years of growth tends to normal levels.
Third, commercial printing equipment in a variety of choices
International commercial web press equipment manufacturers have long seen the development trend of China's printing market, in the 20th century, the early 90s in the Beijing Economic and Technological Development Zone, Beijing on the establishment of State Printing Co., Ltd., the first time, Japan's Mitsubishi commercial reel Color printing paper printing books, creating a commercial web press printing color books precedent. Now not only books and printing has a number of newspapers are also importing large quantities of such equipment. There are enterprises in the conventional devices, in order to improve print quality, increase the functional, to semi-commercial printing color books and equipment for the purpose of the transformation. There are firm in order to undertake high-grade coated paper printed color newspaper did not hesitate to introduce such equipment loans. I once had the opportunity to visit Shaanxi, a printing business and a Beijing newspaper, although the introduction of two commercial web-fed printing press and a group of commercial printing press unit, but the publishers are given a lower price printers, there task in a state cost is difficult to recover the problem from time to time to plague enterprises. Some enterprises may be the introduction of a commercial web-fed printing press, still with the high-end low-end color printing equipment, printing materials, not to play the role of commercial printing. Such blind investment in high-grade printing equipment, has become one of the key national macro-control should cause reflection of enterprises.
Heidelberg is the world's largest printing machinery manufacturer, the introduction of printing under the concept of integrated solutions in the integration of prepress, printing, digital printing solutions, and after the process of acquisition of the U.S. Harris Corporation, has launched Mercury series, M600 series of commercial web presses in the country has good sales. But times had changed, the United States in turn sold the business Gaussian Inc., no longer produce commercial web press, but rather concentrate on production of sheet-fed printing press, and to continue to implement a systematic solution. In China Print 2005 exhibition, Heidelberg first introduced automatic platen die-cutting machine, automatic production line trimmer, automatic trademark cutting production lines, riding binding production line, folding machines and other equipment. At the same time, its has not given up the number plate machines and digital output machines and other prepress equipment production. A world-class companies to make such a decision, there are operational efficiency considerations, but also brought about the management of industry long, but the prospects for the development of commercial printing is a commercial web-fed printing press, or the use of eight-color sheet-fed or 10 ribbon flip printing equipment strategic thinking. In my opinion, Heidelberg, mainly for industrial considerations, such a flip printing equipment easy to expand the existing production capacity, easy to achieve with the traditional products universal, serialization and standardization. With sheet-fed commercial printing paper can be used flip-sided printing can also be used Mitsubishi introduced the first sheet-fed printing machine with four-color printing paper on top, and then four-color printing machine for printing paper are printed in the following , as well as Japan Akiyama's double-sided press sheet printing method. It was also not forget that, in Heidelberg in 2001, an exhibition in Chicago has launched a rack, and the paper reel to sheet cutting machine to connect to the 10-color sheet-fed printing press on the device, can also be Commercial web printing presses to achieve results.
These trends, should make us realize there are a number of options the commercial printing equipment, printing and efficiency is an option, but not the only option, it should be from the device utilization, equipment be selected on the generic, especially in China's printing relative to the smaller case. In my view: Commercial web printing press should have a certain production scale, the case of selection, the general size of the printing business or take a smaller craft in a collaborative manner to resolve, or use methods listed above solved the introduction of such equipment should not be blindly.
4, commercial web press technology development direction
Commercial web press is different from the general of the main features of the web press can print high-quality coated paper, in sheet-fed presses print quality close to the premise, the printing efficiency is much higher than after the , and they therefore have a better market prospects. In order to achieve the purpose of high-quality printing, the device will not only sweep all the web-fed presses scientific and technological achievements, but also adopted the latest scientific and technological achievements of contemporary. The new technology has surfaced mainly the following points.
1, four non-technical
* No-axis technology: high-tech commercial web press embodied in the various functional units using an independent transmission technology to drive the printing press greatly simplified the structure, so that the operators from the traditional manual process, so that intelligent devices. No shaft drive technology, there is no domestic manufacturers, mostly from foreign companies in Germany's Bosch Rexroth, Lenze, Siemens, packet m happy, Japan's Yaskawa, among others.
* Waterless offset printing: In order to solve the ink-water balance problems, using quantitative transmission anilox ink technology that allows the system to simplify the input ink. This originated in the flexo printing technology, a good application prospect.
* Seamless Drum: offset printing machine due to the existence, on Roller Edition version of mouth, in the printing process prone to vibration influence print quality. To adopt the version of the mouth of a seamless cylinder, requires version of the shape is cylindrical, the structure of presses can be achieved directly from the end of the cylinder-shaped plate axial load.
* No acupuncture treatment Folding: web-fed printing press after the culmination of many groups to fold into triangle, folded after the re-entering the drum for cutting, a folding, 2 folding. To enable continuous folding have been carried out on the folded paper tape, from an acupuncture treatment on a roller drive for the next piece of paper folding. There is the existence of an acupuncture treatment is bound to have rolling pin-hole, thus a waste of paper, and affected the quality of Indian goods.
2, automation technology
Outside assistance in order to reduce printing operation time, excluding the impact of human factors on the quality, we must raise the level of automation presses, often adopting a new technology has the following: automatic version, automatic blanket washing, automatic change Folio, automatic wear paper , Automatic access of paper, automatic register, automatic ink supply.
3, on-line technology
On-line technology refers to the completion of printing, folding, based on the additional function of the completion of other on-line operation, so that the printing press became a veritable production line. The main-line features are: on-line binding, on-line accumulation of their original packaging, on-line plus silicone glazing, on-line rewinding, online bronzing.
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