PVN500-R series PVN500-R series PVD Hard Coating Equipment PVN500-R series PVN 500-R series feature Nanocomposite hard coating equipmentStable process, and fully automatic process.Using rectangle cathode arc coating technologies, and install 4 sets cathode sourceCoating surface is more smooth and the thickness uniformity within the coating area is better than round cathode arc coating system. SEM image of TiAlN coating on WC cutting tool