Zhuhard Group's composite coating tools and other projects won provincial science and technology awards

Abstract Recently, in Changsha, Hunan Science and Technology Awards Conference held on hard-line groups "ultra-fine grain solid carbide nano-coating series precision milling" won Hunan Science and Technology Progress Award, "with periodic Coated composite coating tool and its preparation method" patent obtained...
Recently, at the Hunan Science and Technology Awards Conference held in Changsha, Zhuhard Group's “Ultra-fine grain solid carbide nano-coating series precision milling cutter” project won the first prize of Hunan Science and Technology Progress Award, “including periodic coating The patent for the layered composite coating tool and its preparation method won the first prize of Hunan Patent Award, and the project “Technology and Application of Composite Roller for Thermal Cracking Prestressed Structure” won the second prize of Science and Technology Progress of Hunan Province.

It is reported that the "ultra-fine grain solid carbide nano-coating series precision milling cutter" project is led by the cutting tool company. The project was granted 7 invention patents and more than 20 academic papers. The project has developed ultra-fine grained carbide new materials for the application requirements of PM/HM series milling cutters. The key technologies are at the international advanced level, and the design of high-end tools for high-hardness material processing and high-performance precision milling cutters with high performance are solved. Manufacturing and application issues. The project products have been applied in the mold, automobile, aviation and other industries.


The “Calculation Coating Tool with Periodic Coatings and Its Preparation Method” project is specifically developed and patented by the cutting tool company. The multi-component, multi-layer nano-coating prepared by the patented technology has excellent mechanical properties, high-temperature oxidation resistance, and good bonding strength with the substrate. The coating improves the performance of the cutting tool and improves the competitiveness of domestic coated tools in the domestic and foreign markets. The patent belongs to the core patent of the international advanced tool PVD coating technology. It applied for 7 peripheral patents and built a patent pool. One of the peripheral patents applied for an international patent.

The “Technology and Application of Composite Rollers for Thermal Cracking Prestressed Structures” project is under the responsibility of the Large Products Research Group of the Hard Materials R&D Center. The anti-thermal cracking composite roll has made breakthroughs in the industrial application of high-strength, anti-vibration bars and rebar rolling for industrial buildings and metal structures, with safety, stability, convenience and repeatability. The roller solves the key and common technology of the manufacture of large-sized hard alloy rolls. It has good thermal crack resistance and high wear resistance, and overcomes the disadvantages of the original hard alloy roll which is easy to fall off and cracking the roll. Significantly improved; the anti-thermal cracking composite roll has the technical characteristics of overall structural reliability and cost optimization, and has obvious advantages over similar products at home and abroad, and the overall technology has reached the international advanced level.

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