Blanket, which provides ink transfer for printing, has effective compression resistance, fast restoring force, strong adhesiveness, no adhesive, smooth surface and fabric layer, allowing ink to be transferred regardless of dot or full The version is more stable, and the transfer unit of the blanket plays an important role in the printing process. Without the blanket, the printing cannot be completed. What should I do if I encounter a sticky and concave concave on the printed material in our lives?
Blanket sticky make up
The rubber is sticky, mainly because the oil resistance is not good, and the rubber often absorbs a lot of washing liquid to make it expand. Severe tackiness can completely change the appearance of the blanket, making it impossible to use. The slight stickiness also causes the printed paper to adhere to the outer surface of the blanket, which not only affects the quality of the product, but also makes it difficult to continue printing. Therefore, the blanket should be cleaned in time. It is best to use a solvent with a strong volatility to reduce the swelling. Then use talc or sulfur powder to coat the outer surface of the blanket.
Rubber blanket low concave make up
In the printing, if the blanket is depressed, it is impossible to transfer the graphic intact. It is necessary to make up for the low recess in time: generally, the blanket is not attached, in order to see the concave portion, it can be in the blanket. Use a pencil to draw the low-concave mark on the front side of the depression, and then remove the blanket. Draw a large and flat mark on the blanket and the corresponding orientation. Use a paper with a proper thickness and a concave degree in the embossing of the blanket. Tear and cut into the same shape as the mark to make the patch, it is best to use the method of tearing, so that the edge of the paper can be adhered to the trapezoid, the paste or glue should not be too thick when applied, to prevent the boring after forming a hard block, together with the paper Flat, can not make up too thick, otherwise it will increase the conflict between the printing plate and the blanket, affecting the life of the printing plate. If the area of ​​the low-concave blanket is large, it can be directly padded in the padding paper, but the orientation of the padding must be accurate.
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