What is the process of packaging and printing for Yichuangli
Published on:2023-05-16 Number of views:20
How do we achieve the exquisite packaging we usually see? What is the process of packaging and printing for Yichuangli?? The editor will take you to learn more together.
The preliminary work of printing generally refers to photography, design, production, typesetting, film production, etc;
The middle stage of printing work involves printing the finished product through a printing machine.
Film cannot be directly used for printing. The color plate used for printing is usually called a PS plate, which is an aluminum metal plate with one side covered with a pharmaceutical film. The function of film is to fix the film on the color plate during exposure.
The specific operation is as follows: cover the film on the side of the color plate covered with a drug film, and expose it under a purple light. The completely transparent area on the film will be fully illuminated by the purple light, and the drug film will completely decompose. However, the area with images or text on the film will not decompose or completely decompose due to opacity or incompleteness, and the decomposed drug film will be washed off, In this way, the images on the film are completely transferred to the color plate.
During printing, the area with a drug film on the color plate will adsorb ink, and the amount of ink adsorbed varies depending on the density of the drug film, resulting in a difference in color depth. The paper is colored in four color plates C, M, Y, and K in the printing machine, and various colors are produced. The post printing work generally refers to the post-processing of printed materials, including cutting, laminating, die-cutting, binding, mounting, etc. It is often used for promotional and packaging printed materials.
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