1 Blanket
Commonly used in the production of air-cushion blankets and ordinary blanket two, when pressed into contact with the plate, due to the surface of the blanket has a certain degree of adsorption, the printing plate surface of a portion of the fountain solution transferred to the blanket surface. Loss of some of the fountain solution on the surface requires timely replenishment. The amount of replenishment will cause problems with balance and imbalance.
2 water roller
The water roller is the main component that directly contacts the printing plate and supplies the fountain solution at the same time. The excessive contact pressure with the printing plate will damage the image part, and the fountain solution cannot uniformly coat the printing plate. ". If the contact pressure is too light, the fountain solution on the surface of the printing plate will not be properly coated, resulting in a similar coating condition, and the “plate†phenomenon will appear on the surface of the printing plate.
3 plate area
The amount of fountain solution required on the surface of the printing plate is directly related to the area of ​​the graphic. The area of ​​the map is large, the area of ​​relative blank is small; the area of ​​the picture is small, and the area of ​​relative blank is large. Under normal circumstances, the printing plate with a large area requires less amount of fountain solution, whereas the amount of fountain solution is more.
4 ink thickness
The ink layer thickness of the print has a certain relationship with the size of the fountain solution on the surface of the printing plate. There are two ways to increase the thickness of the printing ink layer. First, the volume of the fountain solution is constant and the amount of ink is increased. First, the amount of ink is constant and the amount of fountain solution is reduced. The reason for these two approaches is the same. They both increase the ink content under "oil-in-water" conditions and reduce the content of fine water droplets in the ink on the plate surface, thereby achieving the purpose of increasing the ink layer thickness.
Commonly used in the production of air-cushion blankets and ordinary blanket two, when pressed into contact with the plate, due to the surface of the blanket has a certain degree of adsorption, the printing plate surface of a portion of the fountain solution transferred to the blanket surface. Loss of some of the fountain solution on the surface requires timely replenishment. The amount of replenishment will cause problems with balance and imbalance.
2 water roller
The water roller is the main component that directly contacts the printing plate and supplies the fountain solution at the same time. The excessive contact pressure with the printing plate will damage the image part, and the fountain solution cannot uniformly coat the printing plate. ". If the contact pressure is too light, the fountain solution on the surface of the printing plate will not be properly coated, resulting in a similar coating condition, and the “plate†phenomenon will appear on the surface of the printing plate.
3 plate area
The amount of fountain solution required on the surface of the printing plate is directly related to the area of ​​the graphic. The area of ​​the map is large, the area of ​​relative blank is small; the area of ​​the picture is small, and the area of ​​relative blank is large. Under normal circumstances, the printing plate with a large area requires less amount of fountain solution, whereas the amount of fountain solution is more.
4 ink thickness
The ink layer thickness of the print has a certain relationship with the size of the fountain solution on the surface of the printing plate. There are two ways to increase the thickness of the printing ink layer. First, the volume of the fountain solution is constant and the amount of ink is increased. First, the amount of ink is constant and the amount of fountain solution is reduced. The reason for these two approaches is the same. They both increase the ink content under "oil-in-water" conditions and reduce the content of fine water droplets in the ink on the plate surface, thereby achieving the purpose of increasing the ink layer thickness.
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