Abstract
Due to the high temperature toughness and low thermal conductivity of 2.25Cr1Mo0.25V material, the rake face of the tool can easily wear out during the cutting process, which reduces the service life of the tool. In this paper, by analyzing the contact behavior, heat exchange conditions and tool wear mechanism during the cutting process, a 3 D finite element simulation model of tool wear in accordance with the actual cutting process is established. Combined with the cutting wear experiment, the validity of the model is verified. The influence of cutting speed, cutting depth, feed rate and the interaction between them on rake face wear was studied by designing a simulation scheme. The simulation results show that: With the increase of cutting speed and feed rate, the wear depth of the tool's rake face gradually increase, but for cutting depth, the depth of wear gradually decreases. The interaction of cutting speed and feed rate has a significant influence on the rake face wear, the interaction between cutting speed and feed rate, and the interaction between feed rate and cutting depth are not significant. The research results provide a theoretical basis for improving the service life of the tool and provide technical guidance for the selection of cutting parameters in the actual production.
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