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This project has made significant breakthroughs in advanced coating technologies, including nanocrystalline/amorphous composite coatings, (Ti, Al)N/TiN nano-multilayer coatings, gradient matrix structures, and ultra-fine crystal matrices. It also introduced innovative features like double-coil cooling holes for indexed shallow holes. A total of 23 patents have been granted, and one application for industry standards has been submitted. The project has developed 14 tool grade series, including YBD, YBC, YBM, and YBG, along with 31 tool model series covering turning, milling, and drilling. These tools have passed rigorous testing at the National Tool Quality Supervision and Inspection Center, with some products matching or even surpassing foreign counterparts in performance. This advancement significantly enhances the technological level of high-end domestic tools.
The results of this project have already been applied in key industries such as China First Heavy Machinery Group Corporation, China Second Heavy Machinery Group Corporation, FAW-Volkswagen, Xi’an Aerodynamics, and FAW Mould Manufacturing. The implementation of this project has effectively strengthened the competitiveness of domestic high-efficiency indexable tools against imported high-end tools. It now possesses the capability to replace foreign tools in general-purpose machining applications involving cast iron and steel materials. The supporting infrastructure and technical capabilities have also seen notable improvements. Currently, Zhuzhou Diamond Cutting Tool Co., Ltd. has an annual production capacity of 50 million high-efficiency indexable tools, making substantial contributions to increasing the market share of domestically produced tools within China.
Superhard tool national major special project passed the acceptance
Abstract The project titled “High-efficiency Precision Indexable Tool Series and Super-hard Tool,†led by Zhuzhou Diamond Cutting Tool Co., Ltd., recently successfully passed the on-site acceptance test at Xi’an Aerodynamics Co., Ltd. The evaluation meeting was chaired by Researcher Yang Jingyan from the Beijing Machine Tool Research Institute, who played a key role in assessing the project’s achievements. During the meeting, representatives from Zhuzhou Diamond, Central South University, and Huazhong University of Science and Technology presented their contributions to the project. Additionally, tool users such as FAW-Volkswagen Automotive Co., Ltd. and FAW Mould Manufacturing Co., Ltd. shared their experiences with product application and performance verification.