Exhibition to see the development of die-cutting machines (below)
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Shanghai Yahua Printing Machinery Co., Ltd.'s TYM780A Automatic Flat Press Die Cutting Machine China's other die cutting machine manufacturing company - Tangshan Yuyin Group's products are also high degree of automation, production speed (720 series, 1020 series Die-cutting machine can reach 7500 speeds per minute, high die-cutting precision (≤±0.15mm), wide range of product adaptability and high technical level, and is well-known at home and abroad (products are distributed in 38 countries and regions abroad). The company's newly developed TYM1020A automatic die-cutting and hot stamping dual-purpose machine adopts the LCD smart operating system and uses 486 thin-plate touch screen computers to realize the functions of data input, storage, and communication with lower computers. The machine data and related data can be Export the archive and automatically calculate the step and skip procedures. The machine is divided into 12-way temperature control, the temperature can be automatically compensated according to the speed. According to reports, the aircraft's electrical control system has reached the world advanced level.
Horizontal flat die-cutting die-cutting machine has the advantages of low production cost, easy plate change, good safety protection, easy automation, high die-cutting precision, suitable price, suitable for small-batch multi-variety production, simple operation and maintenance, etc. It has developed rapidly and has a high market share. As mentioned above, the domestically-made horizontal flat die-cutting die-cutting machine or die-cutting and hot-stamping machine has greatly shortened the gap with advanced foreign models. It can be said that it is quite close to the advanced level in the world, but it is undeniable that There is still a certain gap, in terms of speed, functionality, and die-cutting accuracy, especially where the stability, reliability, and after-sales service of the machine are unsatisfactory. The gap in the development of round flattening and round presses is even greater. For a long time, the development of these two types of aircraft has been slow.
Among them, the round-squeeze type machine is mainly composed of a revolving letterpress printing machine that has been eliminated. The speed is low, and the precision of die-cutting is not high. The gilding machine, which was also reconstructed by a rotary letterpress printing press, was much better.
Round-bore circular die-cutting is the rolling process of cylinders and cylinders. It is line contact. The die-cut line pressure is much smaller than the flat-flattened surface contact pressure, so the equipment power is small, and the running stability is obviously greater than the flat pressure flatness. Die cutting; again, its high production efficiency, due to continuous rolling die-cutting, the production speed of up to 100m/min or more (data available, foreign rotary printing press production line in the round die-cutting machine maximum cutting speed Up to 300-350m/min). Flat die cutting due to the intermittent movement, the cutting speed is greatly affected. Because of the high-precision registration device and the die-cut phase adjustment device, the round press die cutting machine can obtain a relatively high die-cutting accuracy, and therefore it is attracting more and more attention. In foreign countries, it is mature technology, but it is still quite backward in China. In order to change this situation, in 1998 Shanghai Yahua Printing Machinery Co., Ltd., in cooperation with BERNAL International Co., Ltd., a world-renowned manufacturer of round press die cutting equipment, established Shanghai Bernell Yahua Printing Packaging. Machinery Co., Ltd. has introduced round-narrow circular die-cutting technology, manufacturing technology, maintenance technology and processing equipment, as well as maintenance and testing equipment from Bernier Co., Ltd., and can now produce rolling with all types of gravure and flexo printing machines. Die-cutting units and various pressure-cutting, shearing die-cutting rolls. In addition, there are manufacturers to develop a "gravure production line on-line round-circular die-cutting, bronzing, embossing process equipment," "Roll pressure convex sheeting technology and equipment," applied to production, received praise.
From the Drupa 2000 exhibition, it can be seen that domestic die-cutting machines have to catch up with the world's advanced level and they have to do a lot of work. First of all, we must further improve and improve the performance of domestic horizontal flat die-cutting die cutting machines, including die-cutting and bronzing machines. This must strengthen theoretical research on key parts and machine reliability of die-cutting machines, and apply modern design methods. The key parts changed from surveying and mapping design to truly independent development and design, overcoming the blindness in design and manufacturing, and improving consciousness, so that the performance of domestic horizontal flattening die cutting machines includes the cutting speed and die cutting accuracy. The reliability and stability have been improved to a new level, and after-sales service and technical training have been further strengthened. In addition, speeding up the development of circular flattening and round press automatic die cutting machines, especially circular press automatic cutting machines.
With the flourishing development of light industrial packaging printing, web presses have become more and more widely used. Therefore, the development of automatic web printing machines such as flexographic printing presses, gravure printing presses, and web offset printing presses is being automated. Die-cutting machine has no delay. On the one hand, it is possible to use the advanced technology of sheet-fed flattening automatic die-cutting machines to produce high-speed, large-format, multi-functional, and intelligent flat-press flat-linked dynamic die-cutting machines or die-cutting units suitable for long-run production. On the other hand, the advanced rolling die-cutting technology is used to produce the corresponding round-pressing circular die-cutting machines or die-cutting units, which in the long run should be the focus of development.
With the development of diversified, personalized, on-demand printing in the printing market, computer technology, automation technology, and digital technology have penetrated into the entire printing process including post-press processing. The rapid development of packaging and printing has made it possible to link post-press processing, including die-cutting, with digital workflows. Post-press processing, together with prepress and printing, has become an indispensable part of the CIP3 digital printing workflow. Many internationally renowned printing equipment manufacturers, including Heidelberg, have joined the manufacturing of post-press processing equipment, which is enough to explain the importance of post-press processing technology and equipment. Therefore, in the past, the concept of pre-reprinting, printing, and post-print processing that prevailed in the country was the time to change! If this concept does not change at all, the fundamental change in the overall backwardness of China's post-press processing is just an empty phrase. The good news is that more and more people in the industry have seen this clearly, but to really narrow the gap between the post-press processing equipment and the international advanced level, a lot of solid work needs to be done. I believe it will soon be ushered in. Postpress processing spring.