Shaanxi FR300ELS electronic shaft high-speed gravure printing machine technology is first-class, perfect. The machine has a maximum printing speed of 300 meters per minute, and the maximum diameter of the rewinding and unwinding is 800mm. The electronic shaft is driven, and the vertical and horizontal registration accuracy is ±0.1mm. It can print a variety of plastic films such as PET, BOPP, CPP, etc. The company's many patent achievements and technical improvements in the field of gravure printing presses. This machine adopts three bowls of rubber rollers. The quick change function of the three bowls of rubber rollers is a new practical function to realize the rapid replacement of different printing products in the printing process, save printing preparation time and improve printing efficiency. This article will introduce you to the gravure press structure.
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.
There are several ways to solve the pollution problem caused by the gravure printing machine. Each method should be considered in terms of cost and resource consumption. Printers need to establish partnerships with their major source material suppliers so that suppliers can provide the technical support they need in a timely manner to ensure the quality of their products while minimizing pollution and waste. Use a shallower ink tank and improved scraper technology to reduce the amount of ink used. The steam recovery system is the largest method to reduce solvent-based contamination.
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