Printing is a systematic project, which is mainly divided into three major processes: prepress, printing and postpress. Of course, advanced prepress and printing need to be matched with advanced postpress processing in order to produce high quality prints.
According to the purpose of processing, the post-press processing of printed products can be classified into three categories: the processing of printed products for specific functions, the use of printed products for people's use, and the difference between different types of printed products due to their service images or purposes of use. Should have or strengthen a certain function, such as the printed product has moisture protection, wear resistance, corrosion protection and other protection functions, some printing products should have a specific function, such as stamps, introduction letter, etc. can be torn off, documents, forms Such as rewritable; the beautification of the printed surface of the print processing, such as in order to improve the gloss of the printing process for the printing or laminating, to improve the print three-dimensional impression of embossing and embossing processing; printing of the molding process, For example, the single-page printed matter can be cut to the design size, the binding size of the book, and the die-cutting and indentation processing of the packaged product.
In the post-printing process of paper packaging, the extensive use of glazing, die-cutting, bronzing, laminating and other packaging and post-press processing has become a means favored by many packaging companies. It can not only protect the outer packaging of the product, extend the service life of the outer package, but also display the product, arouse consumers' desire to purchase, promote sales, and improve the beauty of the product, giving people visual and spiritual enjoyment, and enhancing the product's attachment. value.
