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本文探讨了涂层高速钢刀具的磨损特性和磨损扩展规律，分析了涂层在各磨损阶段起的不同作用，并说明了在使用涂层刀具时应注意的一些问题
In this paper, the wear characteristics and wear propagation of high-speed steel cutting tools are discussed. The different roles of coatings in different wear stages are analyzed. Some problems to be aware of when using coated cutting tools