Several main factors affecting Custom Made Paper Box printing quality cannot be ignored!

Several main factors affecting Custom Made Paper Box printing quality cannot be ignored!

Main Factors Affecting Custom Made Paper Box Printing Quality

1. Blocked version. Blockage of dots will cause the transfer of ink to decrease, and the color of the print will change. When plate blocking occurs, use solvent or special cleaning agent to clean the printing plate, and take corresponding measures for the cause of plate blocking.

2. The printing plate is worn. Plate wear will make the dots smaller and lighter, which affects the ink load of the dots. The result of plate wear is an overall fade in color. Sometimes the wear of the white plate makes the amount of white ink insufficient, and the hiding power of the base color of the substrate is insufficient. At this time, the production of the plate should be stopped and the old plate should be stripped again. If the plate cylinder fails to be stripped due to the collapse of the transition screen wall, the plate must be remade.

3. The pattern color is inconsistent. When multiple patterns are arranged in the horizontal direction of the layout, the color of the patterns on the left and right ends of the printing plate may be inconsistent. In the process of plate making, especially when the plate is full and solid, the electric engraving is prone to change the size of the dots from left to right. Therefore, attention should be paid to checking the difference in the printing effect between the left and right ends of the plate cylinder.

4. The rationality of printing plate design. When designing the printing plate, the influence of the printing plate design on the printing process and post-press processing should be fully considered. For example, the colors in the 80% and 5% of the dot jumping area are prone to level and level, and measures should be taken to change them in advance.

5. Printing environmental factors. If the room temperature in the printing workshop changes greatly, the flow state of the ink will change. The temperature and temperature of the general production workshop are controlled at the temperature (23±5) degrees Celsius, and the humidity is 60%±5%. In addition, when using ink in winter, it should be preheated in advance to increase the fluidity of the ink.

6. Printing conditions. When the layout is subjected to irregular wind, the printing speed and drying speed will change, which will cause the color of the printed matter to change. The above factors should be fully considered in the Custom Made Paper Box printing process.

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