Product features of PVD hard coating machine
The equipment for the preparation of superhard coating is specially developed for the plating of superhard film. It is suitable for die, tool, cutter and other industries to obtain a more wear-resistant and corrosion-resistant film on its surface, increase the service life of the cutter by 3-10 times, and increase the service life of the die by 5-10 times.
PVD technology appeared in the late 1970s, and the prepared films have the advantages of high hardness, low coefficient of friction, good abrasion resistance and chemical stability. The initial successful application in the field of high-speed steel tools has attracted great attention from manufacturing countries around the world. While developing high-performance and high-reliability coating equipment, people have also applied more in-depth coatings on hard alloy and ceramic tools. Application research. Compared with the CVD process, the PVD process has a lower processing temperature and has no effect on the bending strength of the tool material below 600 ° C. The internal stress state of the film is compressive stress, which is more suitable for coating of carbide complex precision tools; PVD The process has no adverse effects on the environment and is in line with the development direction of modern green manufacturing. The current PVD coating technology has been widely used in the coating treatment of hard alloy end mills, drills, step drills, oil hole drills, reamers, taps, indexable milling inserts, turning inserts, special-shaped tools, welding tools, etc. .
PVD technology not only improves the bonding strength of the film and the base material of the tool, the coating composition has also developed from the first generation of TiN to TiC, TiCN, ZrN, CrN, MoS2, TiAlN, TiAlCN, TiN-AlN, CNx, DLC, and ta- C and other multiple composite coatings.
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