• 2022-05-27
    设已知一对斜齿圆柱齿轮传动,z1=18,z2=37,mn=2 mm, αn=20°,han*=1,β=16°30′,b=20 mm,求齿轮2的分度圆直径和齿顶圆直径d2、da2 。( )
    A: d2=77.178 mm,da2=79.178 mm
    B: d2=77.178 mm,da2=81.178 mm
    C: d2=77.178 mm,da2=81.350 mm
    D: d2=77.178 mm,da2=79.264 mm