Intaglio printing machine is mainly used for soft and hard enlarging and printing paper strip pack device, a machine unwinding portion cantilevered air shaft loading form, easy loading and unloading roll, reduces labor intensity and shorten the preparation time; zero speed splicer together seamlessly old and new material, laying a good foundation for the smooth progress, after the printing step, transverse, indentation punch, embossing, die-cutting function; means to ensure sufficient material storage reservoir the length of material, so that the paper receiving device during normal operation at zero speed, without stopping or deceleration; laid down material using a printing unit forms, such compact machine structure, material moving route shortened, reducing the rejection rate, independent servo drive unit, overprint Quick response, the side pull type roller car integrates the scraper, the ink tank and the plate roller, which saves the time for changing the order; the constant-pressing direct-pressing roller device, the electric material-feeding design is fast and convenient; the cutter of the cross-cut unit The roller and transverse traction are directly driven by the servo to ensure the tension at the breakage is stable and the breaking accuracy is accurate. There is independent correction before the break, which ensures the accurate left and right material level, and the pneumatic garden knife trimming is cut. This article will introduce you to what is a gravure press.
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 on the back of the impression cylinder to eliminate static electricity on the paper. In addition, increasing the humidity in the printing shop is conducive to the elimination of static electricity.
Improved methods in many devices can reduce pollution. Gravure press manufacturers use new technology for their machines and install several process improvement control accessories on their equipment. The use of vegetable oil instead of gasoline as a solvent, as well as the use of water-based inks, will reduce environmental pollution, and the use of less contaminated solvent materials to replace the current solvent is also a good way, in the green printing industry is bound to be the general trend.
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