But shaping as one of the bevel wheel" cutting technique has not realized the Computerized Number Control completely , it still must use the helix track to realize the spire move. 插齒加工作為斜齒輪切削加工的一種不可替代的加工方法還沒(méi)有實(shí)現完全數字化控制,螺旋導軌依然是實(shí)現螺旋運動(dòng)的機械副件。