Research on cutting performance of diamond and carbide cutting tools in difficult-to-cut graphite materials

Based on the characteristics of graphite electrode materials, diamond coated cutting tools were used to replace conventional Carbide(WC) milling cutters for high-speed milling of graphite. The tool life curve of diamond coated cutting tools for high-speed milling of graphite electrode materials was mainly studied, and compared with TiAlN coated cutting tools and Carbide(WC) cutting tools; Studied the effects of cutting speed, feed rate per tooth, radial cutting depth, axial cutting depth, forward and backward milling methods, and different material tool factors on cutting force, as well as compared with TiAlN coated tools and Carbide(WC) tools; Optimizing process parameters based on orthogonal cutting force experiments; At the end of the paper, a study was conducted on the surface quality of diamond coated tools and TiAlN coated tools for high-speed milling of graphite electrode materials.