渐开螺旋面麻花钻后角的分析计算  

Analytical Calculations of Backing-off Angle of Involute Spiral Surface Twist Drill

作　　者：徐名聪[1] 

机构地区：[1]上海理工大学,200093

出　　处：《机械制造》2001年第12期37-38,共2页Machinery

摘　　要：介绍了渐开螺旋面麻花钻的几种常用刃磨方法,分析了渐开螺旋面麻花钻圆周后角的计算方法,并推导出了各种常用刃磨方法所形成的圆周后角的具体计算公式。Several cutting edge sharpening methods of the involute spiral surface twist drill in common use are introduced in the paper.The calculation method of the circumferential backing-off angle of the involute spiral surface twist drill is analyzed. Some detailed formulas are derived for the calulation of the circumferential backing-off angle for different cutting edge sharpening methods in common use.

关 键 词：渐开螺旋面 圆周后角 麻花钻 刃磨 分析计算 

分 类 号：TG713.1[金属学及工艺—刀具与模具]