Why do vacuum coating machine regular cleaning?

Why do vacuum coating machine regular cleaning?

Vacuum coating machine used for periodic cleaning of the after time is long, a lot of people will ask why? It is not often clean can appear what problem? Let's analyze.
Used in vacuum coating machine prior to coating, coating materials for coating materials to do simple surface clean can prolong the service life of coating machine, because of various pollutants not only cannot obtain the required degree of vacuum, vacuum system can also affect the joint strength and sealing performance of vacuum components.
Common pollutant of vacuum coating machine are:
1. The oil include the processing, assembling and operating with the lubricant, cutting fluid, vacuum oil, etc.;
2. The operation time of hand sweat, blowing time of water vapor and saliva, etc. Acid, alkali, salt substance when cleaning the residual, hand sweat, mineral water, etc.; And polishing residue and environmental dust in the air and other organisms.
Cleaning is the purpose of these contaminants in order to improve the vacuum coating machine work stability, can make the job more smoothly.