At a stage of rapid economic development, the contradiction between economic growth and environmental pollution and cost expansion has intensified, but this contradiction is not impossible to reconcile. In the highly polluting printing industry, green printing is popular. In the process of continuous improvement of many printing equipment, how to make gravure printing machine have advantages in saving cost and reducing pollution? This article will introduce you to the high-speed gravure printing machine for cigarette packs.
The gravure press blade should be placed at an appropriate height. The blade should be adjusted according to the printing speed. The printing speed is fast, the distance from the embossing point is far, the printing speed is slow, and the embossing point is closer.
The tension control of the unwinding tension zone of the gravure printing press is mainly performed by the uncoiler. Tension control is a main function of the uncoiler, so the control principle of the tension zone is consistent with the working principle of the uncoiler. The clutch, tension roller and tension controller form a closed-loop control system.
During the printing process, the paper is not easy to be separated, the paper on the delivery table is not properly received, or the paper on the paper feeding table is skewed and the overprinting is not allowed, etc., which may be caused by static electricity. To eliminate printing static electricity, a static eliminator is generally installed on the printing machine to ionize the air around the printing machine, thereby neutralizing the positive and negative static electricity on the paper. It is also possible to spray an appropriate amount of water mist around the gravure printing machine or behind the impression cylinder to remove static electricity from the paper. In addition, increasing the humidity in the printing shop is conducive to the elimination of static electricity.
In response to the current international and domestic technology, Zhongshan Youwei Printing Equipment Co., Ltd. has invested a lot of manpower and financial resources in 2006. At present, UV gravure printing machines under solvent-free N2 protection conditions have been successfully developed, and a number of national invention patents have also been obtained. The UV gravure press with N2 protection is the world's leading target for zero emission of organic volatiles (VOC) in gravure printing. At the same time, the application of UV ink on gravure printing machine is also solved, and the printing quality of gravure printing is greatly improved by UV ink printing.
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