After Stenter completes the printing production, cleaning the screen is an important step, because it can prolong the service life of the screen and avoid the special changes and chemical reactions of the residual substances in the screen after use, which will cause the film to fade. So, what is the screen cleaning method of the automatic screen printing machine? Today, the staff of Dongguan Zhanxun Printing Machinery will introduce to you:
Screen cleaning method of automatic screen printing machine:
1. The commonly used cleaning method is to wash with water, but some raw materials are not clean with water, so cleaning aids with high alcohol content are required;
2. Use commonly used cleaning screen materials, generally bleach, cleaning aids, alcohol, etc.;
3. When cleaning the printing plate, lay the printing plate flat in the printing plate cleaning tank and wipe gently. Do not clean vertically, so as not to affect the tension of the sieve plate and loosen the sieve plate.
In addition, the method of cleaning the sieve plate with a wire mesh:
1. Wash the screen with 5-10% glacial acetic acid solution for 5 minutes, and then wash all residues with hot water;
2. Pass the metal wire directly through the gas flame or Bunsen burner, and then wipe it with a cleaning brush to make a film. However, be careful not to let it stay on the flame for a long time;
3. You can also use 3.10% lye or 20% ammonia solution to clean or remove oil stains on the wire mesh;
4. An old method of cleaning metal wire mesh is to insert the metal wire mesh into a shelf that is the same thickness as the wire mesh frame, polish it with emery cloth, wipe it with pumice stone, volatile oil or paint diluent solvent, and then wash it with hot water. Then paste the template on the wire mesh.
This article introduces the screen cleaning methods of the Flat Screen Printing Machine on the above methods for your reference. An in-depth understanding of the screen cleaning method of the automatic screen printing machine can not only extend the service life of the screen, but also be used for printing.