10 advances in hardware in domestic flexographic technology for 20 years

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In the 20 years of development of China's flexographic printing industry, Mr. Zhang Yixiong witnessed the steady progress of China's flexographic printing technology and made many contributions to the rapid development of China's flexographic printing industry. Here, let us jointly experience 10 advances in hardware development in the past 20 years.

1. Flexographic equipment structure and specifications vary

The flexographic printing equipment adopts the short ink path anilox roller ink transfer method, the mechanical structure is simple, and the environmental protection ink is adopted, and the advantages of environmental protection, energy saving and emission reduction are prominent, and the needs of the green development of the industry are met. In order to promote the wide application of flexo printing in various fields, flexographic printing equipment has also developed rapidly in the course of 20 years. Domestic flexographic printing equipment has expanded from a stacked structure 20 years ago to a unit structure of 21 color sets and a satellite structure of 8 colors wide. Moreover, the specifications of flexographic printing equipment have also been developed into three types: narrow, medium and wide (maximum width of about 3.6 m), and the variety and style have been greatly improved.

2. Flexo printing equipment manufacturing level improved

In order to improve transmission accuracy and flexo printing quality, domestic flexographic printing equipment has also made great improvements in the past 20 years. A brilliant journey. For example, it has prepared the more advanced shaftless drive servo drive technology in the world, which not only improves the manufacturing precision of the whole machine, but also reaches the international advanced level; it changes from low-grade low-speed to high-grade high-speed, which is the manufacturing level of domestic flexographic printing equipment. A big step forward.

3. Flexo device connection function expansion

In the past 20 years, the flexo device connection function has been expanded and played. In addition to blanching, cold perm, die-cutting, cutting, printing recto-verso printing turned over traditional functions, but also in the apparatus unit type flexo units added offset, gravure, or screen printing machine unit, two or several printed The way it is integrated into one device not only makes the printed content more colorful, but also plays an anti-counterfeiting role, which is not easy to do with other printing methods.

4. Anilox roller manufacturing precision is improved

Anilox roller is a key component of flexographic printing system. Its manufacturing precision directly affects the quality of flexo printing, so it is called the "heart" of flexographic printing equipment. Twenty years ago, the anilox rolls used in flexographic printing equipment mostly had shortcomings such as thick dots, poor precision, and short life. Through the introduction and upgrade of technology, the use of anilox roller ceramic injection electronic engraving machine, the processing precision of the anilox roller has been significantly improved, the service life has also increased several times, the maximum number of lines can reach 2000 lines / inch. The quality improvement of the anilox roller has made great progress in the manufacturing technology of the anilox roller in China, which greatly meets the needs of the development of flexo printing. 10 years, the industry advocated anilox roll and the Plate number of lines than the number of the screen lines is 2.5, has now been upgraded to (4.5 to 5) to 1, whereby the uniformity of the ink and flexo Stability is more effectively guaranteed.

5. Sleeve technology is concerned

Flexographic equipment often requires the replacement of plate cylinders and anilox rolls according to product requirements. During the replacement process, both the plate cylinder and the anilox roller need to be removed, which is laborious and time consuming, especially for wide flexo printing equipment which is less operative and safer. Since the appearance of the sleeves of the plate cylinder and the anilox roll on the market, the replacement of the plate cylinder and the anilox roller has become light and convenient. It can be seen that the application of sleeve technology in flexographic printing equipment can not only reduce the labor intensity of operators, but also improve production efficiency, which is worthy of attention and promotion.


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