Abstract A new method for the passivation of the cutting edge on flat-end cemented carbide (WC-8Co) cutter using ultrasonic vibration-assisted abrasive finishing was presented. Discrete Element Method (DEM) was used to model the abrasive finishing and ultrasonic vibration-assisted abrasive finishing of the cutting edge, respectively. It was found from simulation that not only the distribution but the value of the impact energy in the normal direction were better than that in the tangential direction, which would result in the high efficient erosion on the cutting edge within the same processing time as compared with that without ultrasonic vibration. It was also found from experiment that the passivation efficiency was improved by about 26% as compared with that without ultrasonic vibration, and the average milling force measured was about half of that without passivation on the cutting edge and its stability was significantly improved as well.

中文翻译：

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WC-8Co硬质合金切削刃超声振动辅助磨削精加工DEM及实验研究

摘要 提出了一种采用超声振动辅助磨削精加工平头硬质合金（WC-8Co）刀具刃口钝化的新方法。离散元方法 (DEM) 分别用于模拟切削刃的研磨精加工和超声振动辅助研磨精加工。仿真结果表明，不仅法线方向的冲击能分布和数值均优于切线方向，在相同的加工时间内对切削刃进行高效冲蚀。没有超声波振动。实验还发现，钝化效率比无超声振动提高约26%，