Advanced equipment such as machining centers and CNC machine tools put forward higher requirements for cutting tools to give full play to the performance of machine tools and achieve greater economic benefits. An important way to improve productivity is to use high-efficiency cutting tools, in which tool material is a key factor. At present, cemented carbide tools can not meet the needs of high-speed cutting, so some super-hard materials, such as diamond, cubic nitride Boron and ceramic tools are increasingly used for machining. Ceramic cutters have a price
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