The gravure printer technology is the same as general printing, the difference is that the items printed by the gravure printing technology have the characteristics of unevenness; this print looks beautiful and has a three-dimensional sense; unlike some general printing, printed items The color is single and flat, and gravure printing is mainly used for printing in some special areas.
The cost of gravure printing is more expensive because of its shortcomings. The technology is simple and its strengths are generally. Items that require gravure printing technology generally need to contact the gravure printer to complete the final printing. In theory, gravure printing is suitable for the printing of all raw materials. For example, the role of text and patterns on the cloth bag are all selected by gravure printing technology. In addition, there are many items in our life that use gravure printing. For example, banknotes that everyone loves, shopping rolls and redemption rolls used in supermarkets. These all use gravure printing technology, and banknotes and other main items It must be printed with perhaps intaglio printing, because it has a very important function, that is, anti-counterfeiting.
Overview of the three key technologies of gravure printers
1. Electronic shaft transmission Electronic shaft transmission gravure printer, also commonly called independent transmission or shaftless transmission gravure printer proofing, refers to the use of a motor (under satisfactory registration accuracy) on each unit to synchronize transmission printing Gravure printer with plate cylinder. It first appeared in Europe in the mid-to-late 1990s. In the following years, its development and application have been rapidly developed globally. People in the industry generally believe that a new generation of electronic shaft transmission gravure printers will replace traditional mechanical transmission gravure printers.
Second, the gravure car
Gravure carts are sometimes called printing carts, which refer to mobile carts that can install and transport gravure ink supply equipment and plate cylinders.
In general, the gravure carriage is composed of the following equipment: ink storage tank, ink pump, ink delivery and withdrawal pipeline, ink tank, plate cylinder, etc., and sometimes also includes a doctor blade assembly. In actual use, the plate cylinder can be carried on the cart, or the plate cylinder can be placed on the wall panel of the printing unit. Therefore, the gravure carriage can install all the ink supply system, plate cylinder or doctor blade assembly on a trolley. The gravure carriage has become the standardized structure of international medium and high speed gravure printers. European manufacturers all choose the gravure car structure, but Asian manufacturers are only a few, and the gap is large.
3. Sleeve type impression cylinder
Sleeve-type impression cylinder is a type of impression cylinder that uses a combination of thin-walled sleeve and mandrel. It consists of two fundamentals: a special tapered mandrel and a lightweight fiberglass sleeve, which can be covered with a layer of rubber.
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