CollegeofMechanicalandElectricalEngineering;
NUAA29YudaoStreet;
Nanjing210016;
P.R.Chian;
CollegeofMechanicalEngineerng;
AnbuiUniversityofScienceandTechnologyHuainan232001;
P.R.China;
twist; drill; hyperboloid; drill; grinding; math-ematical; model; grinding; parameter; design; parameter; 麻花钻; 刃磨; 数学模型; 计算方法; 技术参数;