To print the desired print, besides the paper and printing ink used in the process, plate making is one of the most important tasks; You know that printing needs to be converted to CMYK, you may know how to design files, remember to choose paper, or you may know that when printing, you need to look at the print, but! But you don't know or forget that the origin of everything lies in the version.

Before printing, it is necessary to complete the plate production and then put it into the printing machine in order to print what you want. Plate making is the process of converting graphic and textual information in the computer into media that can be used for printing.

Usually, color printed materials require four plates, C, M, Y, and K, on one side. If printing on both sides, eight plates are needed. If there is a need to print special colors, more plates are needed. As for how many special colors can be added, it depends on how many positions the printing machine can add. Some printing machines have 5 or 6 seats, and even machines with 8 seats can print general four colors plus 4 spot colors, If you have a high demand for quality or want to create special effects, you need to find a printing factory with such a printing machine. Alternatively, if only monochrome printing is required, only one version is needed, and the number of versions can be adjusted based on individual needs.

The current mainstream plate making is Computer To Plate, abbreviated as CTP

Computer plate making is the process of using computer software to control a laser beam from a plate making machine (the machine responsible for drawing graphics and text) to shoot onto a printing plate. The desired graphics and text are then drawn onto the plate, and the areas with imprints are photosensitive and retained. The plate is then processed by a developing machine (mainly to wash away the areas without imprints), and finally provided to the printing machine for printing.

CTP is a new generation advanced product of the traditional PS version. Through the CTP plate making machine, the image information in the computer is scanned and engraved on the printing plate, forming a latent image of the image. After being developed by the developer, the image information is restored on the printing plate for direct use by the offset press. In this way, it can save film costs and plate making processes, while also reducing pollution

The plate manufacturing technology of computer direct plate making has also undergone five stages of evolution and evolution:

First generation: Plate material → Computer plate making → Preheating → Development → Cleaning and pre baking → Post baking → Cleaning and gluing → Machine printing.

Second generation: Plate material → Computer plate making → Development → Cleaning and pre baking → Post baking → Cleaning and gluing → Machine printing.

Third generation: Plate material → Computer plate making → Development → Cleaning and gluing → Machine printing.

Fourth generation: Plate material → Computer plate making → Upper peeling adhesive → Upper machine printing.

Fifth generation: Plate material → Computer plate making → Machine printing.

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