What are the post-printing processing technologies?

Printing post-press processing can be divided into three categories according to the purpose of processing. Beautify and decorate the surface of printed matter: for example, polish or film cover to improve the gloss of printed matter; In order to improve the three-dimensional sense of printed matter, concave-convex embossing or crystal three-dimensional plastic drop treatment; Refraction, foil ironing, etc. To enhance the flicker of printed matter. Processing that enables printed matter to obtain specific functions: printed matter is for human use. Different printed matter should have or strengthen some functions because of its different service objects or purposes, such as making printed matter have oil-proof, moisture-proof, wear-resistant and insect-proof protection functions. Some printed materials should have some special functions, such as tearing stamps and letters of introduction, copying documents and forms, and magnetic cards should have anti-counterfeiting functions.

Forming processing of printed matter: for example, cutting a single page of printed matter into the size specified by the design; Book binding; Die cutting and indentation processing of packaging materials, etc. Post-press processing technology is an indispensable part of the printing process. Whether printed matter is pleasing to the eye and can't be put down by readers, besides the content, we should also give inspiration to the beauty of printed matter from the aspects of manuscript design, layout, color allocation and binding treatment. Now people have higher and higher requirements for the appearance of printed matter, and the main way to meet this demand is to finish the printed matter after printing, and improve the grade of printed matter through modification and decoration. Therefore, post-press processing is an important means to ensure the quality of printed matter and realize value-added, especially packaging printed matter, and many of them greatly improve their quality and increase their special functions through post-press processing technology.