Notes on Printing Degradable Milk Tea Bags
1, before printing, water and ink poured inside the ink tank after having the printing plate idle for two to three minutes, the purpose is to wet the printing plate and stirring role. In the printing process, in order to observe the print needs to stop printing, must not let the plate stop rotating, so as to avoid the plate dry stock caused by the plug plate.
2, before printing to adjust the printing viscosity according to the depth of the plate after the printing process to try not to add tap water, as long as the viscosity of the new ink can be added to the same. This is because the ink in the printing process, at a temperature of 32 ℃ for an hour, who volatilized as long as 1.2% viscosity change is small, so the ink to keep the print colour consistent, and thus improve the print pass rate.
3, after the completion of printing, must immediately clean the printing plate, and to pour the water and ink into the barrel to change, put the water into the ink tank inside, rotate the printing plate for cleaning or transfer a little 3% laundry detergent solution for cleaning can be.