Abstract: A system for making printing plates for newspaper, which can make, with great efficiency, replacement printing plates to be used when a printing face of the printing plate mounted on the plate cylinder of the rotary press is to be changed in part. The plate-making system is built by linearly arranging in series a plate feeder 2, an exposure unit 3, and a developer 5 so that the exposure unit 3 may directly form images on the printing faces of a plate material 12 in accordance with image drawing signals from a computer to make a printing plate P large enough for at least several pages.

Abstract: A plate making apparatus is provided with a processing section conveying an elongated, rectangular printing plate, on which an image has been exposed, along a longitudinal direction of the printing plate and effecting processing of the printing plate, and is provided with a punching section provided downstream of the processing section and conveying the printing plate, which has been processed, along a transverse direction of the printing plate and forming punch holes in both longitudinal direction end portions of the printing plate. A plate bending section is provided downstream of the punching section, conveys the printing plate, in which punch holes have been formed, along the transverse direction of the printing plate and effects bending of both longitudinal direction end portions of the printing plate.