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Several Ways To Improve The Printing Resistance Of Printing Plate

      In the packaging and printing industry, it is often necessary to use various ways to improve the printing resistance of printing plates. So as to ensure that the template can be used for a longer time.Several Ways To Improve The Printing Resistance Of Printing Plate

Several Ways To Improve The Printing Resistance Of Printing Plate

1. Baking plate. After exposure, development and dirt removal, the PS plate is baked at 230-250 ℃ for a certain time to change the molecular structure of the original photosensitive layer and form a three-dimensional network structure, which becomes a solid graphic foundation.Several Ways To Improve The Printing Resistance Of Printing Plate

2. The positive PS version shall be kept away from light.Several Ways To Improve The Printing Resistance Of Printing Plate

3. The pH value of fountain solution shall be appropriate.Several Ways To Improve The Printing Resistance Of Printing Plate

4. Select the substrate with smooth surface and no impurities.Several Ways To Improve The Printing Resistance Of Printing Plate

5. Carefully adjust the contact pressure between the water roller, inking roller and the printing plate surface. The adjustment shall be carried out in the non graphic part of the printing plate.Several Ways To Improve The Printing Resistance Of Printing Plate

6. When the water roller and ink roller are in contact with the printing plate, the axial movement shall be as small as possible. When they are not in contact with the printing plate, their circumferential rotation shall be flexible and free.Several Ways To Improve The Printing Resistance Of Printing Plate

7. Select the water roller and ink roller with appropriate hardness and high roundness.Several Ways To Improve The Printing Resistance Of Printing Plate

8. Reasonably adjust the pressure between the rubber cylinder and the printing plate cylinder according to the machine operation manual to reduce the friction to the printing plate.Several Ways To Improve The Printing Resistance Of Printing Plate

9. Reasonably use the drying agent to prevent the ink from drying too early during transmission, maintain its rheology, and meet the needs of the remaining ink layer of the graphic part of the printing plate, so as to protect the printing plate.Several Ways To Improve The Printing Resistance Of Printing Plate

10. Be careful in process operation to prevent abnormal damage to the printing plate, especially to avoid horseshoe marks during taking and placing.Several Ways To Improve The Printing Resistance Of Printing Plate

11. Before starting the machine, carefully check whether the printing plate has scratches, dirt and oil stains, whether the gluing is uniform, and whether there are foreign matters on the back of the printing plate and the liner.Several Ways To Improve The Printing Resistance Of Printing Plate

12. After long-time shutdown or dirt removal, apply a layer of uniform and appropriate thickness hydrophilic protective glue (such as gum arabic).Several Ways To Improve The Printing Resistance Of Printing Plate