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One of the basic knowledge of PVD vaccum coating equipment

One of the basic knowledge of PVD vaccum coating equipment


One of the basic knowledge of PVD vaccum coating equipment

PVD vacuum coating machine

To enter a new industry, you need to start with the most basic knowledge and gradually study in depth. The same is true in the PVD vacuum coating equipment industry. It is necessary to start from the basic knowledge of PVD vacuum coating machine from the shallower to the higher. For example, the structure, principle, technology, and maintenance of the coating equipment, and the completion of the overall effect of the final product coating, all require one step at a time.

PVD (Physical Vapor Deposition) technology is mainly divided into three categories, vacuum evaporation coating, vacuum sputtering coating and vacuum ion coating. Compared with the three categories of PVD technology, the corresponding vacuum coating equipment includes vacuum evaporation coating machine, vacuum sputtering coating machine and vacuum ion coating machine. In the past ten years, the development of vacuum ion plating technology is the fastest, and it has become one of the most advanced surface treatment methods in contemporary times. What we usually call PVD coating refers to vacuum ion coating; the commonly referred to as PVD coating machine refers to PVD vacuum ion coating machine.

Ion coating (PVD coating) technology, its principle is to use low-voltage, high-current arc discharge technology under vacuum conditions, use gas discharge to evaporate the target material and ionize the evaporated substance, under the action of the electric field, the evaporated The substance or its reaction product is deposited on the workpiece. The similarity between PVD coating and traditional chemical plating is that both belong to the category of surface treatment, and both cover the surface of one material on the other material in a certain way. The difference between the two is: PVD coating has greater bonding force with the surface of the workpiece, the hardness of the coating is higher, the wear resistance and corrosion resistance are better, and the performance of the coating is more stable; PVD coating can be plated The types of coatings are more extensive, and the colors of various coatings that can be plated are more and more beautiful; PVD coating does not produce toxic or polluting substances.

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