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Precautions for PP packaging bag printing

source:other news release time:2023-11-27 Hits:    

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1: PP packaging bag printing requires appropriate adjustment of drum pressure, as slight carelessness during PP packaging bag printing can cause rubber to roll over; If the ink color is too heavy and the solid base is too large, it is easy to stick rubber and ink rollers. Therefore, before printing, it is necessary to reduce the pressure on the drum and reduce the lining inside the rubber. In order to avoid sticking rubber or ink rollers, it is necessary to add more additives or tacking agents to the ink, while keeping an eye on it. Avoid tilting double sheets, multiple sheets, and paper to ensure that the pressure is evenly distributed without rolling the rubber.

2: The printing of PP packaging bags is the same as other prints, and it is necessary to ensure accuracy, otherwise it will affect its quality. When printing, it is necessary to adjust the concavity and convexity of the front and side gauges according to the thickness of the paper. At the same time, it is also necessary to adjust the pressure of the paper pressing wheel and brush wheel on the feeding board, and tighten the loose paper feeding cloth belt. When starting the machine, it is found that the rules are not good, and it is necessary to check the paper feeding situation and the pressure of the paper passing and pressing wheels in a timely manner; For thicker paper, the pressure on the paper roller and brush roller should be heavier. And check the time for paper removal and drawing, as well as the handover time between the side gauge and the swing teeth, and promptly handle any problems found until the upper, lower, left, and right rules are correct and error free.

3: PP packaging bag printing also has high requirements for ink color, which directly affects the quality of printed products. Packaging plays an important role in protecting and decorating items, and the quality of packaging printing will directly affect people's aesthetic values and consumption. Therefore, when printing packaging materials, it is necessary to comply with quality standards. To produce exquisite and beautiful products, we need to carefully complete every step of printing work, in order to have considerable profits and quality.


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