First, the status quo of the development of flexographic printing At present, there are nearly 240 production lines for flexographic printing presses (narrow width and wide width) imported by domestic packaging and printing companies, as well as narrow flexographic printing presses developed and produced by domestic manufacturers, of which 170 are imported. Article, made 70. In the introduction of the unit type flexographic printing press, its specification width has 10", 13", 16.5", 18", 21.5", 25" and 420mm, 510mm and other specifications, of which 16.5" accounted for about 80 of the total equipment Most color groups are 6 colors, up to 11 colors, and at least 3 colors; in the introduction of the satellite type flexographic printing press, the width is generally 800mm ~ 1200mm, 6 color groups.
Some of the equipment introduced is very advanced. Such as Shandong Quanlin Paper Co., Ltd. from the German F & K company (FISCHER & KRECKE) earlier this year introduced a representative of the latest international technology production line - shaftless printing equipment production line, width 1300mm, 8 colors, is a high-speed satellite type flexo Printing production line. Related equipment includes three-layer coextrusion laminating machine and die-cutting machine. The speed of the flexographic printing press can reach 350 meters per minute, which is 3 to 4 times higher than the speed of the group printing press. The speed of the three-layer co-extrusion laminating machine can reach 300 meters per minute. Another example is Zhejiang Offshore Tobacco Printing Co., Ltd., which is the first EM0410 and 253 multi-purpose all-UV production lines imported from CALLUS, offset printing, flexo printing and screen printing.
Flexographic printing presses have a wide range of printable carriers, such as cigarette packs, pharmaceutical packaging, food packaging, labels, and stickers. Because the flexographic printing press is a linked production line, it can not only improve the production efficiency but also reduce the production cost from the rolling, printing, coating, die-cutting, and rewinding. It can fully meet the requirements of various users for prints. According to statistics, the current flexo printing machine accounts for 30% of the cigarette pack printing industry, 15% for all kinds of label printing, 35% for sticker printing, and 20% for other printing.
In short, since the use of flexographic technology, the packaging and printing industry has increasingly demonstrated its superiority and broad prospects for development.
Second, flexo printing production achieved remarkable results (a) basically meet the needs of packaging and printing
The flexographic machines that have been put into use in recent years, whether narrow or wide, imported or domestically produced, can basically meet the requirements of packaging prints. Flexographic printing has been initially established in China's packaging and printing market, and its market share has gradually increased. At present, better-applied packaging products include middle and low-grade cigarette cases, medicine boxes, milk boxes, self-adhesive labels, beer labels, paper cups, paper lunch boxes, etc. Plastic flexible packaging is mainly printed by satellite-type flexo printing machines, and the current proportion Not big.
It is worth mentioning that flexographic printing is best applied and the largest proportion is the printing of corrugated boxes. About 70% of the sales volume of flexographic plates is in the carton industry each year. Some international multinational corporations in Shanghai and Beijing believe that the printed products printed by the flexographic printing machine using the water-based ink process are not polluted, which is beneficial to human health and environmental protection. The quality of the printed matter can be comparable to that of offset and gravure printing. In Shanghai, a group of brand-name companies such as Nestle, Johnson & Johnson, Unilever, Mystery, KFC and other packaging products require the printing of flexographic equipment and process technology. Moreover, some foreign procurement managers consider the requirements of green packaging printing (no pollution), and must give orders to companies that have flexo equipment. Facts have proved that the flexo process not only meets the needs of packaging in terms of quality, but also cooperates with mechanized packaging to increase production efficiency and reduce production costs.
(II) The quality of products has been significantly improved. Mr. Peter W. Dumusc, vice chairman of the German Flexo Printing Association, said in a report: “Flexo printing is the same quality as offset printing and gravure printing. Today, almost no one will doubt it. Flexo printing can achieve high printing quality, and no one inquiries everywhere about whether flexo printing can also print folding cartons."
The second national quality evaluation of flexographic printing products in 2000 also fully proved this point. From the nearly 100 flexographic printing products sent from all provinces and cities across the country, 9 boutique awards, 22 outstanding awards and 24 masterpiece awards were awarded. Among them, nine boutique prizes are very representative. They are: "Premium Marine" Inner and Outer Boxes of the First Printing Factory in Xi'an, "Dali Beer 10° Dry Beer Trademark" of Quanzhou Zhongde Printing Co., Ltd., and Shanghai People's Printing Eight. The factory's “Big Regal Beer†and “Kweichow Moutaiâ€, the “Duo Miao Seafood Noodle Bowl Cover†of Shunde Shunchang Printing Co., Ltd., “Helu Snow Vanilla Black Sesame Flavor†cones of paper cone, Shanghai Ziquan Packaging Co., Ltd. "The 6th International Conference on Tissue Paper Exhibition Gift Packaging", "Blue Ribbon King Beer" of Guangdong Nanhai Huaxiang Packaging Co., Ltd., Taihang Printing Machinery Co., Ltd. of Shanxi Taihang Printing Machinery Co., Ltd. Print proofs."
(III) Gradual improvement in proficiency in technical operations Most manufacturers that introduce flexographic printing equipment in China have previously used offset printing and gravure printing equipment. The flexographic printing process and operating technology are completely different from those of offset printing and gravure printing. Therefore, all plants are in production. At the beginning, it was difficult to grasp and control the flexibility of flexible printing and printing pressure, resulting in frequent problems of quality and waste products in production.
In order to obtain high-quality printing products, keep the ink color smooth, rich in layers, and vivid colors, there are strict requirements for the printing press structure, printing roller, plate material, anilox roller, double-sided adhesive, ink and other conditions. In the face of so many variable parameters, how to adjust the equipment to the best condition is crucial for the operator. Flexo printing needs to master the five main links: 1. Prepress preparation; 2. The ink adaptability; 3. The appropriate anilox roller; 4. Anilox roller cleaning; 5. Print quality control. This is the key to ensuring the quality of flexographic prints and effectively reducing scrap. Nowadays, most companies have gradually mastered the flexo process and operation technology.
(4) Gaining Better Economic Benefits The common characteristics of flexo printing companies are: sufficient living resources, stable product quality, high utilization rate of equipment, and good economic benefits. Such as Shandong Qingzhou Xinhua Packing Products Co., Ltd., Shanghai People's Printing Eight Factory, Shanghai Textile India Lifeng Printing & Packaging Co., Ltd., Xi'an Three-Dimensional Printing Co., Ltd., Zhejiang Qianjiang Beer Group Weile Packaging & Printing Co., Ltd., Lanzhou Huanghe Yellow River Yueli Printing Co., Ltd. Companies, among others, are among the best. Taking Shandong Qingzhou Xinhua Packaging Products Co., Ltd. as an example, the company's sales in 2000 reached 65 million yuan, profits and taxes were 10 million yuan, and profits and taxes accounted for 15% of sales. Another example is the Beijing Yanjing Beer Group's Beijing Shuangyan Color Printing Factory. In 2000, the sales amounted to 30 million yuan, and the total profit and tax amounted to 12.8 million yuan. The total profits and taxes accounted for 42.6% of the total sales.
(5) Promoted the rapid development of domestic flexographic printing machines and supporting materials production flexo printing technology in China, and led the development of domestic flexographic printing presses, anilox rollers, plate materials, ink and equipment equipment for plate making and flexo printing. Development and production. At present, there are 10 manufacturers who are currently producing flexographic presses: Shaanxi Printing Machinery Co., Ltd., Shanxi Taihang Printing Machinery Factory, Beiren Fuji Machinery Co., Ltd., and Xi'an Black Bull Machinery Co., Ltd. A total of 35 narrow flexographic presses have been produced, of which the proportion is 16.5", while the smaller ones are 13", 10" and 400mm.
The printing products printed by the flexo printing machines produced by these companies are tested and evaluated. The quality of the printed matter can basically meet the requirements for packaging and printing, which is equivalent to the general level of imported flexo printing equipment; the price of the 6-color unit type flexo printing machine is 2 million. Below the dollar, general enterprises are acceptable.
The key component of the flexo printing machine is the anilox roller. At present, Shanghai Printing Technology Research Institute has taken the lead in the domestic production of electronic engraving metal anilox roller. Subsequently, anilox rollers machined by mechanical extrusion methods, such as the Shanghai Laser Group Corporation carving branch, Xinhua Precision (Shanghai) Co., Ltd., and Shanghai Aokeli Printing Machinery Co., Ltd., can mass produce ceramic nets. Roll and laser-engraved rubber seamless roll, rubber seamless sleeve.
In the past, the indispensable die cutters for flexo printing all depended on imports from the United States, which not only had a long processing time but also had higher prices. In 1998, Shanghai Yahua Printing Machinery Co., Ltd. and Bernel of the United States set up Shanghai Bernel Yahua Printing and Packaging Machinery Co., Ltd., which can produce all kinds of die cutters for domestic flexo production. .
Shaanxi New Century Printing Materials Research Institute, Tianjin Ink Co., Ltd., and Shanghai Printing Technology Research Institute have developed water-based inks, water-based varnish, water-based additives, UV varnish, UV inks, and UV additives.
In the aspect of platemaking, it has introduced foreign full-plate making equipment and technology, and some of the equipment is still the most advanced in Asia. Beijing Duoweilong Flexographic Technology Service Co., Ltd. introduced the US flexo plate making software so that domestic flexible platemaking technology is at the same level as the international. Beijing Carton Factory also introduced large format flexo platemaking technology from DuPont in 1998. Xi'an Sifang Flexo Co., Ltd. has also introduced the platemaking technology of Dutch AV (Anhe) Company. Jiangsu Taiyi Group Corporation and Shanghai Printing Technology Institute respectively launched ZR650, ZR650B and ZBR series flexible platemaking machines.
The development of the above-mentioned equipment and equipment for flexo printing strongly supports the development of flexographic printing.
Third, the current major issues (a) lack of active sources of some companies Flexographic printing suitable for batch, continuous production of printed products, if the batch is too small, it will easily lead to unstable printing quality, finished products are not high, cost increases. It is understood that at present there are still some companies engaged in flexo printing production in China. Due to insufficient living resources and insufficient production tasks, there is a lack of start-up and equipment utilization is not high, and there is a tendency to “wait for riceâ€.
(2) Equipment and auxiliary equipment selection is not reasonable. Flexographic equipment is not properly selected. The first thing to consider is to purchase the flexographic printing machine, and to fully understand the structure and performance of the flexo printer, so as to ensure the basic function and configuration of the equipment. , In compliance with flexo printing requirements.
Some companies only consider the price factor when choosing a flexo press. They ignore the fact that the configuration is suitable and reasonable. As a result, due to incomplete configuration, some print products cannot be printed; there are also some companies that purchase flexo printing equipment with excess functionality or flexo printing. The other functions of the machine are not coordinated and cause waste. For some companies, in addition to the purchase of flexo presses, they have also purchased automatic paper, bronzing, laminating, punching, marking and other devices. Obviously, if these functions are linked together, the operation is very inconsistent, and it will inevitably greatly reduce the printing speed; there are also some enterprises supporting auxiliary equipment is not complete, such as the anilox roller is configured only one per color group, and cable roller network cable Incomplete, network roller is a quantitative roller to control the amount of ink, and the network cable, the shape and angle of the cell are directly related to the printed matter. According to the pattern and plate making requirements, the anilox roller should be adjusted or replaced at any time. Try not to make the anilox roller Adjustment and reasonable collocation will not print good products.
The platen roller is made according to the size of the receiving job, which is also a feature of flexographic printing to save paper and reduce costs. According to the survey, most flexographic machines use only one color combination with a cable roller with one set or two sets of tumbler. If there is a need for re-production and there is a lack of funds, the status quo of domestic enterprises is that the flexographic machine can afford to buy "Can't afford the saddle." For foreign companies, each company has at least 2 to 3 flexo presses, up to 15 production lines, 2 to 12 color group color presses, various models of specifications, a number of network cable rolls, various sizes Specifications version of the number of roller sets, while there are foreign lease rental company special version of the drum, the price is calculated in days, not only to facilitate user leasing, the company can also create income. Circular die cutting roller Each company has a variety of specifications, different types of die cutting roller ready to call at any time, and die cutting roller factory takes about 2/3 of the time to repair die cutting roller for the user; and 1/3 The time for the user to create a new die cutter, forming a virtuous cycle. Domestic companies must consider that the investment for auxiliary equipment after equipment purchase is about 1/3 of the equipment cost when purchasing equipment.
(3) Poor supply channels for auxiliary materials Our country's flexographic printing auxiliary materials (except water-based inks) are mostly imported from abroad, such as flexographic plates, double-sided adhesives, doctor blades, etc.
Some of the equipment introduced is very advanced. Such as Shandong Quanlin Paper Co., Ltd. from the German F & K company (FISCHER & KRECKE) earlier this year introduced a representative of the latest international technology production line - shaftless printing equipment production line, width 1300mm, 8 colors, is a high-speed satellite type flexo Printing production line. Related equipment includes three-layer coextrusion laminating machine and die-cutting machine. The speed of the flexographic printing press can reach 350 meters per minute, which is 3 to 4 times higher than the speed of the group printing press. The speed of the three-layer co-extrusion laminating machine can reach 300 meters per minute. Another example is Zhejiang Offshore Tobacco Printing Co., Ltd., which is the first EM0410 and 253 multi-purpose all-UV production lines imported from CALLUS, offset printing, flexo printing and screen printing.
Flexographic printing presses have a wide range of printable carriers, such as cigarette packs, pharmaceutical packaging, food packaging, labels, and stickers. Because the flexographic printing press is a linked production line, it can not only improve the production efficiency but also reduce the production cost from the rolling, printing, coating, die-cutting, and rewinding. It can fully meet the requirements of various users for prints. According to statistics, the current flexo printing machine accounts for 30% of the cigarette pack printing industry, 15% for all kinds of label printing, 35% for sticker printing, and 20% for other printing.
In short, since the use of flexographic technology, the packaging and printing industry has increasingly demonstrated its superiority and broad prospects for development.
Second, flexo printing production achieved remarkable results (a) basically meet the needs of packaging and printing
The flexographic machines that have been put into use in recent years, whether narrow or wide, imported or domestically produced, can basically meet the requirements of packaging prints. Flexographic printing has been initially established in China's packaging and printing market, and its market share has gradually increased. At present, better-applied packaging products include middle and low-grade cigarette cases, medicine boxes, milk boxes, self-adhesive labels, beer labels, paper cups, paper lunch boxes, etc. Plastic flexible packaging is mainly printed by satellite-type flexo printing machines, and the current proportion Not big.
It is worth mentioning that flexographic printing is best applied and the largest proportion is the printing of corrugated boxes. About 70% of the sales volume of flexographic plates is in the carton industry each year. Some international multinational corporations in Shanghai and Beijing believe that the printed products printed by the flexographic printing machine using the water-based ink process are not polluted, which is beneficial to human health and environmental protection. The quality of the printed matter can be comparable to that of offset and gravure printing. In Shanghai, a group of brand-name companies such as Nestle, Johnson & Johnson, Unilever, Mystery, KFC and other packaging products require the printing of flexographic equipment and process technology. Moreover, some foreign procurement managers consider the requirements of green packaging printing (no pollution), and must give orders to companies that have flexo equipment. Facts have proved that the flexo process not only meets the needs of packaging in terms of quality, but also cooperates with mechanized packaging to increase production efficiency and reduce production costs.
(II) The quality of products has been significantly improved. Mr. Peter W. Dumusc, vice chairman of the German Flexo Printing Association, said in a report: “Flexo printing is the same quality as offset printing and gravure printing. Today, almost no one will doubt it. Flexo printing can achieve high printing quality, and no one inquiries everywhere about whether flexo printing can also print folding cartons."
The second national quality evaluation of flexographic printing products in 2000 also fully proved this point. From the nearly 100 flexographic printing products sent from all provinces and cities across the country, 9 boutique awards, 22 outstanding awards and 24 masterpiece awards were awarded. Among them, nine boutique prizes are very representative. They are: "Premium Marine" Inner and Outer Boxes of the First Printing Factory in Xi'an, "Dali Beer 10° Dry Beer Trademark" of Quanzhou Zhongde Printing Co., Ltd., and Shanghai People's Printing Eight. The factory's “Big Regal Beer†and “Kweichow Moutaiâ€, the “Duo Miao Seafood Noodle Bowl Cover†of Shunde Shunchang Printing Co., Ltd., “Helu Snow Vanilla Black Sesame Flavor†cones of paper cone, Shanghai Ziquan Packaging Co., Ltd. "The 6th International Conference on Tissue Paper Exhibition Gift Packaging", "Blue Ribbon King Beer" of Guangdong Nanhai Huaxiang Packaging Co., Ltd., Taihang Printing Machinery Co., Ltd. of Shanxi Taihang Printing Machinery Co., Ltd. Print proofs."
(III) Gradual improvement in proficiency in technical operations Most manufacturers that introduce flexographic printing equipment in China have previously used offset printing and gravure printing equipment. The flexographic printing process and operating technology are completely different from those of offset printing and gravure printing. Therefore, all plants are in production. At the beginning, it was difficult to grasp and control the flexibility of flexible printing and printing pressure, resulting in frequent problems of quality and waste products in production.
In order to obtain high-quality printing products, keep the ink color smooth, rich in layers, and vivid colors, there are strict requirements for the printing press structure, printing roller, plate material, anilox roller, double-sided adhesive, ink and other conditions. In the face of so many variable parameters, how to adjust the equipment to the best condition is crucial for the operator. Flexo printing needs to master the five main links: 1. Prepress preparation; 2. The ink adaptability; 3. The appropriate anilox roller; 4. Anilox roller cleaning; 5. Print quality control. This is the key to ensuring the quality of flexographic prints and effectively reducing scrap. Nowadays, most companies have gradually mastered the flexo process and operation technology.
(4) Gaining Better Economic Benefits The common characteristics of flexo printing companies are: sufficient living resources, stable product quality, high utilization rate of equipment, and good economic benefits. Such as Shandong Qingzhou Xinhua Packing Products Co., Ltd., Shanghai People's Printing Eight Factory, Shanghai Textile India Lifeng Printing & Packaging Co., Ltd., Xi'an Three-Dimensional Printing Co., Ltd., Zhejiang Qianjiang Beer Group Weile Packaging & Printing Co., Ltd., Lanzhou Huanghe Yellow River Yueli Printing Co., Ltd. Companies, among others, are among the best. Taking Shandong Qingzhou Xinhua Packaging Products Co., Ltd. as an example, the company's sales in 2000 reached 65 million yuan, profits and taxes were 10 million yuan, and profits and taxes accounted for 15% of sales. Another example is the Beijing Yanjing Beer Group's Beijing Shuangyan Color Printing Factory. In 2000, the sales amounted to 30 million yuan, and the total profit and tax amounted to 12.8 million yuan. The total profits and taxes accounted for 42.6% of the total sales.
(5) Promoted the rapid development of domestic flexographic printing machines and supporting materials production flexo printing technology in China, and led the development of domestic flexographic printing presses, anilox rollers, plate materials, ink and equipment equipment for plate making and flexo printing. Development and production. At present, there are 10 manufacturers who are currently producing flexographic presses: Shaanxi Printing Machinery Co., Ltd., Shanxi Taihang Printing Machinery Factory, Beiren Fuji Machinery Co., Ltd., and Xi'an Black Bull Machinery Co., Ltd. A total of 35 narrow flexographic presses have been produced, of which the proportion is 16.5", while the smaller ones are 13", 10" and 400mm.
The printing products printed by the flexo printing machines produced by these companies are tested and evaluated. The quality of the printed matter can basically meet the requirements for packaging and printing, which is equivalent to the general level of imported flexo printing equipment; the price of the 6-color unit type flexo printing machine is 2 million. Below the dollar, general enterprises are acceptable.
The key component of the flexo printing machine is the anilox roller. At present, Shanghai Printing Technology Research Institute has taken the lead in the domestic production of electronic engraving metal anilox roller. Subsequently, anilox rollers machined by mechanical extrusion methods, such as the Shanghai Laser Group Corporation carving branch, Xinhua Precision (Shanghai) Co., Ltd., and Shanghai Aokeli Printing Machinery Co., Ltd., can mass produce ceramic nets. Roll and laser-engraved rubber seamless roll, rubber seamless sleeve.
In the past, the indispensable die cutters for flexo printing all depended on imports from the United States, which not only had a long processing time but also had higher prices. In 1998, Shanghai Yahua Printing Machinery Co., Ltd. and Bernel of the United States set up Shanghai Bernel Yahua Printing and Packaging Machinery Co., Ltd., which can produce all kinds of die cutters for domestic flexo production. .
Shaanxi New Century Printing Materials Research Institute, Tianjin Ink Co., Ltd., and Shanghai Printing Technology Research Institute have developed water-based inks, water-based varnish, water-based additives, UV varnish, UV inks, and UV additives.
In the aspect of platemaking, it has introduced foreign full-plate making equipment and technology, and some of the equipment is still the most advanced in Asia. Beijing Duoweilong Flexographic Technology Service Co., Ltd. introduced the US flexo plate making software so that domestic flexible platemaking technology is at the same level as the international. Beijing Carton Factory also introduced large format flexo platemaking technology from DuPont in 1998. Xi'an Sifang Flexo Co., Ltd. has also introduced the platemaking technology of Dutch AV (Anhe) Company. Jiangsu Taiyi Group Corporation and Shanghai Printing Technology Institute respectively launched ZR650, ZR650B and ZBR series flexible platemaking machines.
The development of the above-mentioned equipment and equipment for flexo printing strongly supports the development of flexographic printing.
Third, the current major issues (a) lack of active sources of some companies Flexographic printing suitable for batch, continuous production of printed products, if the batch is too small, it will easily lead to unstable printing quality, finished products are not high, cost increases. It is understood that at present there are still some companies engaged in flexo printing production in China. Due to insufficient living resources and insufficient production tasks, there is a lack of start-up and equipment utilization is not high, and there is a tendency to “wait for riceâ€.
(2) Equipment and auxiliary equipment selection is not reasonable. Flexographic equipment is not properly selected. The first thing to consider is to purchase the flexographic printing machine, and to fully understand the structure and performance of the flexo printer, so as to ensure the basic function and configuration of the equipment. , In compliance with flexo printing requirements.
Some companies only consider the price factor when choosing a flexo press. They ignore the fact that the configuration is suitable and reasonable. As a result, due to incomplete configuration, some print products cannot be printed; there are also some companies that purchase flexo printing equipment with excess functionality or flexo printing. The other functions of the machine are not coordinated and cause waste. For some companies, in addition to the purchase of flexo presses, they have also purchased automatic paper, bronzing, laminating, punching, marking and other devices. Obviously, if these functions are linked together, the operation is very inconsistent, and it will inevitably greatly reduce the printing speed; there are also some enterprises supporting auxiliary equipment is not complete, such as the anilox roller is configured only one per color group, and cable roller network cable Incomplete, network roller is a quantitative roller to control the amount of ink, and the network cable, the shape and angle of the cell are directly related to the printed matter. According to the pattern and plate making requirements, the anilox roller should be adjusted or replaced at any time. Try not to make the anilox roller Adjustment and reasonable collocation will not print good products.
The platen roller is made according to the size of the receiving job, which is also a feature of flexographic printing to save paper and reduce costs. According to the survey, most flexographic machines use only one color combination with a cable roller with one set or two sets of tumbler. If there is a need for re-production and there is a lack of funds, the status quo of domestic enterprises is that the flexographic machine can afford to buy "Can't afford the saddle." For foreign companies, each company has at least 2 to 3 flexo presses, up to 15 production lines, 2 to 12 color group color presses, various models of specifications, a number of network cable rolls, various sizes Specifications version of the number of roller sets, while there are foreign lease rental company special version of the drum, the price is calculated in days, not only to facilitate user leasing, the company can also create income. Circular die cutting roller Each company has a variety of specifications, different types of die cutting roller ready to call at any time, and die cutting roller factory takes about 2/3 of the time to repair die cutting roller for the user; and 1/3 The time for the user to create a new die cutter, forming a virtuous cycle. Domestic companies must consider that the investment for auxiliary equipment after equipment purchase is about 1/3 of the equipment cost when purchasing equipment.
(3) Poor supply channels for auxiliary materials Our country's flexographic printing auxiliary materials (except water-based inks) are mostly imported from abroad, such as flexographic plates, double-sided adhesives, doctor blades, etc.
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