The key in the offset printing technology is the control of the water and ink balance, and the water and ink balance depends on the key components of the rubber roller and the ink roller, and its quality can directly affect the quality of the product. This is particularly true of gravure, embossing and flexo printing. General printing companies maintain equipment once a week, including the maintenance of printing rollers. The maintenance methods are as follows:

1. After the production operation is completed every day, the rubber roller should be carefully cleaned and repeated twice;

2. The designated printing chemicals must be used for cleaning the printing roller, such as industrial alcohol, etc. Corrosive solvents must not be used;

3. Remove rubber rollers during holidays to prevent deformation under pressure;

4. For the protection of the surface of the printing rubber roller, it should be wrapped in newsprint and placed in a ventilated and dark place.

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