Compared with traditional diamond coatings, this coating uses nano-grade diamond powder as the main raw material, with a hardness of 95 HRA, which is one of the highest hardness wear-resistant coatings on the current market. The wear resistance index is only 0.0003g/1000r, which is 10 times that of ordinary coatings. The PVD physical vapor deposition process forms a uniform and dense protective layer on the surface of precision components, which will not affect the machining accuracy of the components. The coating can withstand a maximum working temperature of 1100℃, has excellent chemical corrosion resistance, and complies with RoHS environmental protection certification without toxic and harmful substances released. In addition, the coating surface is smooth, which can improve the cutting performance of tools and reduce processing burrs.
The coating thickness range is 0.08mm to 0.2mm, and the dry film dosage per square meter is about 0.1-0.2kg. Before construction, the substrate needs to be precision polished, with roughness controlled at Ra0.1-Ra0.4μm. The PVD deposition temperature is controlled at 400℃-600℃, and the deposition time is 4-6 hours. The surface flatness of the coating can reach Ra0.05μm, and black or transparent coating options are available according to needs. The coating is suitable for precision components with a size range of 10mm to 500mm, and the deposition efficiency is about 2-3 square meters per hour for standard equipment.
It is mainly used for precision cutting tools, mold forming inserts, precision components of aerospace engines, surgical knives of medical equipment and other scenarios. It is suitable for high-precision and high-wear industrial processing scenarios, greatly improving the service life of tools, reducing processing costs and improving processing accuracy. It is also suitable for precision measuring tools and hardware molds that require high surface quality and wear resistance.
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