Hot stamping process in label printing

In recent years, with the development of commodity economy and the influx of foreign capital and technology, the domestic printing and packaging industry has been greatly developed. In particular, the printing of cigarette packets and the printing of labels can be described as the most prominent manifestation of the use of advanced technologies in the printing industry. In both types of printing products, machines, consumables, and technology have advanced to the point where foreign counterparts are amazed.

How to introduce the most advanced technologies and technologies into our daily production, and practicalize and localize these technologies and processes to make them the tools that we can use in the development of new products in the production industry. topic of. Now on the combination of bronzing process and label on the one or two, if inappropriate, readers are correct.

First of all, the bronzing process is divided into cold and hot. Cold-pressing principle is mainly to use pressure and special glue to make the combination of anodized aluminum and the substrate. The whole process does not need to be heated, and there is no need for bronzing plates and pad printing technology. At the same time, narrow-width rotary machines are relatively expensive and complicated to operate. Economic convenience. Its maximum hot stamping speed can reach 120 meters per minute. However, the cold-stencil process started late, and the consumption of galvanized aluminum during the hot stamping process is relatively large. After the hot galvanization, the galvanized aluminum gloss is not as good as the hot stamping, and the condition of the concave hot effect cannot be achieved. Therefore, there is no scale in the country. application. Judging from the future development trend, this is a technology that has great potential and is worth developing.

The principle of hot stamping is believed to be familiar to everyone. Simply put, there are three material elements: machine, anodized aluminum, and hot stamping. The three major elements of technology are: temperature, pressure, and speed. The bronzing method is from round to round, from flat to flat. Speaking of machines, anyone familiar with the process knows that Stowe, a subsidiary of the Bobst Group in Switzerland, is the world's recognized king of stamping; in the area of ​​anodized aluminum, Kurtz is undoubtedly the leader in the hot stamping sector; After the printing company has a first-class bronzing machine and anodized aluminum, the bronzing version is very important. The German h+m company is part of the Kurtz Group. The bronzing plate produced by it can perfectly combine the machine and the anodized aluminum. Therefore, there is often a joke in the bronzing industry: "When a hot stamping teacher has these three things, then it is not hot, you can't complain." Of course, the pad printing technology is also very important in the hot stamping arts, but to master this technology can only depend on experience. Therefore, in a nutshell, in addition to having first-rate machines and consumables, the experience of the technicians, who are people, has taken a pivotal position in the blanching.

Secondly, the bronzing process has achieved considerable development in the application of labels in recent years. In particular, laser and holographic aluminum, through the transfer effect of the blanching, make the label product colorful, difficult to counterfeit. In view of the special nature of anti-counterfeiting labels, aluminum foils are usually thinner PET film and glue layer to facilitate the transfer, so as to achieve high-volume, high-speed production. Compared with the cigarette pack printing process, because the label printing has fewer problems with the combination of anodized aluminum and varnish and ink, the production efficiency is higher than the former. In addition, there is a topic that can not be ignored. In the hot stamping laser, holographic aluminum, in addition to the clean and smooth surface, there are mirror polishing, so that after the transfer of aluminum in the matt, distortion. In this way, the label products will be bright and glossy, which will protect the brand and increase the product quality.

With the development of cold-scalding technology, more and more label printing manufacturers have expanded their technology development and application fields, and their peers have added to their efforts.

Finally, from the perspective of the development trend of the printing industry, more and more new processes, new technologies and standards, such as flexo printing and screen printing, have been achieved through various methods to make the labels bright and beautiful, and the appearance has only improved the quality of the products. , increase the difficulty of anti-counterfeiting, the so-called, a hundred flowers bloom, a hundred schools of thought, so that the perfect day for the label printing.


Reprinted from: Ke Yin Network

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