The problems such as antenna length calculation, shaving stock and check of addendum modification of preshaving hob used in the process of gear hobbing before shaving are analyzed and researched theoretically.

• 本文就剃齿前的滚齿工序中所用到的剃前滚刀设计中的触角长度计算 ,留剃余量及齿顶修缘量校验等问题从理论上进行了深入的分析、研究