Today, I want to introduce the development process of vacuum coating technology of pvd coating machine in detail. Many newcomers are just entering the coating vacuum industry. The first thing is to understand the development process of pvd coating machine technology first, which is also convenient for later entry into the industry and can quickly master coating. Industry-related skills and knowledge. The vacuum coating technology of pvd coating machine has not started for a long time, and it was only in the 1960s that CVD (chemical vapor deposition) technology was applied to cemented carbide cutting tools. Because the technology needs to be carried out at high temperature (process temperature is higher than 1000ºC), the type of coating is single, and the limitations are very large, and it was not popularized at first. At the end of the 1970s, PVD (Physical Vapor Deposition) technology began to appear, and then the PVD coating technology of pvd coating machines developed rapidly in just two or three decades. The reasons are as follows:

(1) It forms a film in a vacuum-sealed cavity, which has almost no environmental pollution problems, which is conducive to environmental protection;
(2) It can get a bright and luxurious surface. In terms of color, mature ones include seven colors, silver, transparent color, golden yellow, black, and any color from golden yellow to black, which can meet the decorative needs. various needs;
(3) Ceramic coatings and composite coatings with high hardness and high wear resistance that are difficult to obtain by other methods can be easily obtained. When applied to tooling and molds, the service life can be doubled, and the low cost and high wear resistance can be better realized. the effect of earnings;
(4) In addition, PVD coating technology has two characteristics of low temperature and high energy, and can form a film on almost any substrate. Therefore, it has a very wide range of applications, and it is not surprising that its development is rapid.
The vacuum coating technology of pvd coating machine has developed to today, and new technologies such as PCVD (Physical Chemical Vapor Deposition) and MT-CVD (Medium Temperature Chemical Vapor Deposition) have emerged. Various coating machine and various coating processes emerge in an endless stream. At present, the more mature PVD methods are mainly multi-arc plating and magnetron sputtering. The multi-arc plating equipment is simple in structure and easy to operate. The disadvantage of multi-arc plating is that when the traditional DC power supply is used as a low-temperature coating, when the coating thickness reaches 0.3 um, the deposition rate is close to the reflectivity, and the film formation becomes very difficult. Also, the film surface starts to become hazy. Another disadvantage of multi-arc plating is that since the metal is evaporated after melting, the deposited particles are larger, the density is low, and the wear resistance is worse than that of the magnetron sputtering method. It can be seen that multi-arc coating and magnetron sputtering coating have their own advantages and disadvantages. In order to maximize their respective advantages and achieve complementarity, a coating machine that combines multi-arc technology and magnetron technology came into being. . In the process, there is a new method of multi-arc plating primer, then using magnetron sputtering to thicken the coating, and finally using multi-arc plating to achieve the final stable surface coating color.