In the label production process, tiny pollutants in the air are one of the culprits causing waste (scrap and production stoppages). The printing factory is currently faced with this problem and can not do anything. The printing company believes that the material supplier film is not clean, and the supplier accused the printing factory of the bad working environment. Both sides are caught in a dilemma. Label materials are very sensitive to electrostatic accumulation. The accumulated electrostatic image is a magnet attracting contaminants around the surface of the raw material. These contaminants may come from packaging, clothing fibers, hair, cutting dust, ink, metal dust, etc., all of which can cause printing problems. There are two main reasons why airborne pollutants can cause waste in flexographic printing plants: 1. Contaminants are transferred from the substrate to the impression cylinder This situation can cause image errors in printed products. The general approach is to shut down and clean all the impression cylinders. The cleaning process typically requires 1 to 2 hours of downtime, resulting in 50/100 meters of waste. 2. Contaminants are transferred directly from the substrate to the plate roller How to Reduce Dirty Dots in Printing by Cyclone Dust Removal and Static Reduction This situation causes a solid particle on the plate roller. If the UV ink is used in a very thin and very sticky situation, this situation will be even worse, and a very small dust will stick to the plate to form repetitive errors. The operator uses a soft brush or rag to clean the running plate cutter. First of all, such an approach is not safe. In addition, if it cannot be removed, the operator must stop, clean all the plate rollers, re-register the machine, and check the print and quality again. This process will produce 50 meters of waste, loss of production time, and more importantly, the problem has not been fundamentally resolved. Solution - Cleaning Substrates It sounds very simple and obvious, but what do you use to clean the substrate? In the past few years, the promotion of contact-based cleaning technology has brought benefits to the label printing industry. This innovative cleaning method was originally developed for the electronics industry and is now being selected and used by the world's major printing equipment manufacturers and label printing companies to integrate into their production systems. Using German Ion Cyclone Dust Eliminating Electrostatic Cleaning System, the rotating strong air current blows down at a certain angle, whether it is blowing on the plane or the concave and convex surface, it will generate a strong blowing force, blowing off the adsorption and adhesion on the surface. The dust, paper dust, sawdust, iron filings and other impurities, to achieve the electronic production and manufacturing, wood processing, stone processing and mechanical processing in addition to liquid, dust, cleaning and other requirements, improve production efficiency and quality. How to save it? Use of Ion Cyclone Dust Eliminating Electrostatic Cleaning Systems in label printing production results in reduced scrap and downtime. For example, a 4-color 345 mm flexo press runs different printing materials. Under normal conditions, 8 hours of operation per shift will have 4 solid particles on the plate roller. Based on a large number of empirical examples, the electrostatic dust removal system will reduce the possibility of more than half of the generation of solid particles. Assume that the cyclone dust removal and static elimination system only prevents one stop/shift (typically more than 2 times during the cycle), 20 minutes per stop (minimum estimate), approximately 100 meters of waste generated, and the printer is working 50 weeks in 1 year. Produce 5 days a week.
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