本文通过试验,研究了滚刀螺旋线上各刀齿的切削长度、齿顶切削厚度以及切屑体积,并分析了刀齿各部位的切削特征,导出了滚刀工作长度的计算公式与刀齿顶刃切削厚度的计算公式。 In this paper, the cutting length, tip cutting thickness and chip volume of hobs on helical hobs were studied. The cutting characteristics of each part of cutter teeth were analyzed. The formulas for calculating the working length of hobs were obtained. Blade cutting thickness of the formula.