As one of the four major inventions in China, printing has developed into an indispensable technology. The ease and breadth of culture and knowledge dissemination depends primarily on the printing industry. As people's demands and requirements for books become higher and higher, the technology of printing technology is becoming more complex and efficient. As a part of the traditional printing process, the plate printing machine directly affects the printing effect and quality. The printing machine control system plays an important role in the normal operation of the printing machine. At present, the printing machine has become a must-have for high-end color printing. This article will introduce you to the size of the resin plate printing machine.
Prepare the work before printing. Preparation before printing is the basis for ensuring the quality of printing and printing. Therefore, before the printing work is carried out, it is necessary to carry out a complete and careful inspection of the printing machine to ensure that the appearance thereof is lubricated, flat and free of dirt, scratches and the like. In addition, it is necessary to keep the stencil of the printing machine to a certain extent, the film is free from dirt and the transparent glass plate is clean. The printing machine should be able to obtain a vacuum of 80 kPa (650 mmHg) within 60 s; the vacuum of the printing machine should not be reduced by 20 kPa (150 mmHg) 5 minutes after the power of the printing machine is turned off.
The uniformity of the light source of the printing machine is required to be above 86% (using precision measuring instruments). Use a 30% dot film film to expose a PS plate. After development, measure with a densitometer. The error between the middle and the four peripheral angles is generally less than 2%, so that it will not appear when printing large-area color blocks. Color difference.
The parameter setting of the printer is carried out by recipe. The printing machine can set up 50 sets of different parameters to be called at any time. You can select the corresponding recipe parameters by making changes to the "Address Number" on the screen. Click “Time Setting†on the screen to edit the time formula, numbered from 0 to 49, for a total of 50 groups.
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