The research results show that the average axial cutting force and torque of common drill-grinding are greater than that of ultrasonic drill-grinding.
得出普通钻磨时的轴向平均切削力和平均扭矩均远大于超声钻磨加工时的轴向平均切削力和平均扭矩；
Transverse excursion process of micro drill in ultrasonic longitudinal vibration drilling is analyzed by using finite element method.
利用有限元技术对微细钻头超声轴向振动钻入横向偏移过程进行深入分析。
Transverse excursion process of micro drill in ultrasonic longitudinal vibration drilling is analyzed by using finite element method.
利用有限元技术对微细钻头超声轴向振动钻入横向偏移过程进行深入分析。
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