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Experimental Study on Tool Wear in Cutting Superalloy under High-Pressure Cooling
Integrated Ferroelectrics ( IF 0.557 ) Pub Date : 2020-05-21 , DOI: 10.1080/10584587.2020.1728681
Mingyang Wu; Shujie Wu; Weixu Chu; Keke Liu; Yaonan Cheng

Superalloy is widely used in the aerospace industry and is a typical difficult-to-cut material. PCBN tool has good cutting efficiency in processing superalloy, but it has a larger cutting force, higher cutting temperature and severe tool wear in the cutting process. High-pressure cooling has great advantages in processing high strength steels such as superalloy, which can effectively reduce cutting temperature and improve tool-chip breaking performance, thereby reducing tool wear. Therefore, it is of theoretical significance and practical value to study tool wear mechanism of PCBN tool cutting superalloy under high-pressure cooling. Firstly, the wear form of the flank is analyzed to provide theoretical support for tool wear research; Secondly, the experimental study of tool wear under high-pressure cooling is carried out. The tool wear under different cutting time, cutting speed and cooling pressure is analyzed respectively, and the influence rule of different cutting conditions on tool wear is obtained; Finally, a tool wear prediction model under high-pressure cooling is established to provide theoretical basis and technical methods for efficient processing of superalloy and optimization of cutting parameters under high-pressure cooling.
更新日期:2020-05-21

 

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