Plate wear caused by printing pressure and corresponding solutions

In printing operations, the term "printing pressure" refers to the force applied between various components, such as the water roller and the printing plate, the plate cylinder and the printing plate, and the blanket cylinder and the printing plate. If a printing unit shows a reduced lifespan of the printing plate—such as when the plate only lasts for 100,000 impressions—even with low print volumes, it may indicate an issue related to the printing pressure. In such cases, it is essential to check each of the pressure points systematically to identify and resolve the problem. If you notice a linear pattern of image wear along the axis of the cylinder during printing, this is often a sign of improper printing pressure. Therefore, it’s important to investigate the pressure settings first before concluding on other potential causes. In addition, regular checks of the printing pressure should be part of the daily maintenance routine for the printing press. This helps maintain consistent print quality and ensures smooth production processes. By following these practices, you can prevent unnecessary downtime and extend the life of your printing equipment. (Editor: Wang Xuebin)
This article highlights the importance of maintaining proper printing pressure in offset printing. It explains how improper pressure can lead to premature wear of the printing plate and affect print quality. Regular maintenance and systematic checks are crucial to ensuring the longevity of printing equipment and the consistency of output. Whether you're a technician or a printer operator, understanding and managing printing pressure is key to efficient and high-quality printing.

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