In order to ensure the high quality of the printing work, the printing equipment must be cleaned, usually we call it "cleaning blanket", but it also includes the cleaning of printing plates and ink rollers.
In order to ensure the high quality of the printing work, the printing equipment must be cleaned, usually we call it "cleaning blanket", but it also includes the cleaning of printing plates and ink rollers.
Blanket cleaning
In the printing machine, the blanket is very easy to stick ink, dust and coating materials on the paper, so it must be cleaned. Small printing companies usually use manual operations to clean with special cleaning cloths, disposable cleaning paper or other tools with detergents, while large companies usually need to be equipped with special equipment to replace most of the manual operations.
Blanket cleaners are generally composed of fatty carbohydrates, aromatic hydrocarbon compounds, and ethylene glycol diethyl ether and other organic substances. The water-soluble cleaners containing flocculation, surface activation, diamino acid and other cleaning substances, although they can also be used for cleaning blankets, are not as extensive as the former.
The word "typewash" has been left over from history, mainly referring to cleaners with strong detergency, used to remove stubborn traces, such as cured ink. Of course, it can also be used as a general cleaning agent. Toluene, mek, methylene halide and other organic solvents are its main components.
Plate and ink roller cleaning
Usually, the fountain solution has a cleaning effect. It can directly remove the debris on the printing plate, such as dust and paper dust, without special treatment. But sometimes we also have to clean the printing plate specially, which can usually be done by manual operation, but be careful not to let the cleaning solution contaminate the fountain solution.
Occasionally the ink tank and ink roller also need to be cleaned. At this time, the ink fountain should be scraped as much as possible, and then the cleaning agent should be added to the ink fountain cleaning plate to clean the entire ink roller system through the ink roller transmission device.
maintenance
Usually the printing machine needs regular maintenance, especially should pay attention to the gears, motor power system and transmission parts. In addition, the need to replenish or replace the lubricant should also draw attention.
In addition, the re-grinding, correction or cleaning of the ink roller and the replacement of the rubber blanket are also another work content of maintenance.
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