上机印刷制版工艺流程
    英文回答：
    Prepress Process Flow for Computer-to-Plate (CTP) Printing.
    1. File Preparation.
    Create or obtain high-resolution digital artwork.
    Ensure that the file meets the printing specifications (resolution, color mode, etc.).
    Convert the artwork into a PostScript (PS) or Portable Document Format (PDF) file.
    2. Raster Image Processing (RIP)。
    RIP software converts the digital file into a bitmap image (raster image).
    The raster image consists of a grid of tiny dots, which are the basic building blocks of the printed image.
    RIP settings determine the resolution, screening, and other image parameters.
    3. Plate Imaging.
    The CtP system images the raster image onto a printing plate.
    The plate is coated with a light-sensitive emulsion that reacts to the UV light emitted by the CTP machine.
    The exposed areas of the plate become hardened, while the unexposed areas remain soft.
    4. Plate Processing.
    The plate is developed to remove the unexposed emulsion.
    This creates the printing image on the plate, where the hardened emulsion represents the printed areas.
    5. Plate Mounting.
    The plate is mounted on the printing press.
    The plate is aligned and secured to ensure accurate registration during printing.
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    6. Printing.
    Ink is transferred from the printing plate to a blanket roller.
    The blanket roller then transfers the ink to the paper or other substrate.
    The printed sheets are collected and dried.
    中文回答：
    上机印刷制版工艺流程。
    1. 文件准备。
    创建或获取高分辨率数码图稿。
    确保文件符合印刷规格（分辨率、彩模式等）。
    将图稿转换为 PostScript (PS) 或可移植文档格式 (PDF) 文件。
    2. 光栅图像处理 (RIP)。
    RIP 软件将数码文件转换为位图图像（光栅图像）。

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