ug齿轮画法[1]ug齿轮画法[1] 表达式 Name Formula Value 说明 a 20 20 压力角 d =m*z 0 da =m*(z+2) 0 db =d*cos(a) 0 dc =m*(z-2.5) 0 m 12 12 模数 s =90*t 0 t 0 0 xt =(db/2)*cos(s)+(db/2)*rad(s)*sin(s) 0 yt =(db/2)*sin(s)-(db/2)*rad(s)*cos(s) 0 z 21 21 齿数 zt 0 0 1. 2. 3. 4. 5. 6. ...