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Screen printing machine of direct and indirect method of plate making you know Methods: screen printing plate making method is to directly on the plate when the first will be coated with light-sensitive materials wrist sheet base photosensitive film face flat on the work surface, will stretch good wrist net frame on a flat on the base, then in net box in the photosensitive slurry and soft squeegee pressure coating, peel off after dry fully plastic base, attached to the wrist of photosensitive film screen can be used for plate burning, after enhancement, dry will make printing screen. Technological process: already stretched net, degreasing, drying, stripping the base - exposure - development - drying - retouching - censorship Indirect plate making screen printing method: Method: indirect plate making way is indirect exposure film in the first place, with 1.2% H2O2 sclerosis with warm water after enhancement, drying is made after stripping graphics plate, plate when the graphic film film with good screen tiejin, tense by squeeze film and moist screen paste, jie the lower base, made screen printing screen the wind blow dry it. Technological process: 1) has been stretched, degreasing, drying net 2) indirect film - exposure - hardening - development 1 and2 - joint - dry - retouching - censorship 3) hybrid between straight plate method The photosensitive rubber water, alcohol, or first photosensitive adhesive on the wire net frame, after drying, jie to photographic film base, and plate burning, imaging processing is made after the silk screen version. |