Vacuum coating machines need to maintain the environmental requirements of clean vacuum coating equipment

When the vacuum coating machine is used, it is inevitable that the vacuum coating machine will be contaminated with other contaminants due to the use of the problem. Therefore, cleaning the vacuum coating machine often becomes an important part of the maintenance machine. Before the vacuum coating machine is coated with the coating material, The simple surface cleaning of the coating material extends the life of the coating machine because the various contaminants not only prevent the vacuum system from achieving the required vacuum, but also the strength and sealing properties of the vacuum component joints.

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Generally used in the vacuum coating machine, the common pollutants are:

1. Grease includes lubricants, cutting fluids, vacuum greases, etc. that are contaminated during processing, assembly, and operation;

2, hand sweat during operation, water vapor and saliva when blowing, etc.; residual substances in the cleaning of acid, alkali and salt substances, hand sweat, minerals in water, etc.; and polishing residue and ambient air Dust and other organic matter.

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Cleaning these contaminants can improve the stability of the vacuum coater and make the work smoother.

Environmental requirements for vacuum coating equipment

Since the vacuum coating equipment is to be operated under vacuum, the equipment is required to meet the vacuum environment requirements. The industry standards for various vacuum coating equipment (including general technical conditions for vacuum coating equipment, vacuum ion plating equipment, vacuum sputtering coating equipment, and vacuum evaporation coating equipment) formulated by Wu Guo have clearly defined environmental requirements. Only when the environmental requirements of the vacuum coating equipment are met, the equipment can be operated normally, and the correct coating process can be used to produce qualified coating products.

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The environmental requirements of vacuum generally include the requirements of the vacuum equipment for the temperature of the laboratory (or workshop), the surrounding environment of the air, and the requirements for parts or surfaces in a vacuum or vacuum. These two aspects are closely related. The quality of the surrounding environment directly affects the normal use of the vacuum equipment; whether the vacuum chamber of the vacuum equipment or the parts inside it is cleaned directly affects the performance of the equipment. If the air contains a large amount of water vapor and dust, it is difficult to achieve the desired degree of vacuum by vacuuming the mechanical pump without vacuuming the chamber. In general, oil-sealed mechanical pumps should not remove gases containing particulate dust that are corrosive to metals and react to vacuum oil. The water vapor is a condensable gas. When a large amount of condensable gas is removed, the pollution of the pump oil is more serious, and as a result, the ultimate vacuum of the pump is lowered, which deteriorates the pumping performance of the pump.

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Dust in industrial environments is distinguished by powder, untitled, and dust. A powder is a substance in a collection or dispersion state of powder or solid particles. The so-called powder refers to a collection of tiny solid particles, and the particles refer to small substances that can be counted one by one. The smoke body is a substance system in which a solid or liquid fine particle is present in a floating state in a gas. Whether the substance is solid or liquid, any particle state can be collectively referred to as dust particles. The level of cleanliness is determined by determining the standard of air cleanliness based on the size of the dust particles. Not only suitable for industrial sectors with clean requirements, but also for vacuum requirements for clean environments.