一对直齿圆锥齿轮 Z1=15 Z2=30 α=20° m=5mm ha*=1 c*=0.2 两轴垂直相交。求:两轮的传动比 各轮的分度圆锥角δ

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一对直齿圆锥齿轮,Z1=15,Z2=30,α=20°,m=5mm,ha*=1,c*=0.2,两轴垂直相交。求:两轮的传动比,各轮的分度圆锥角δ,当量齿数Zv,齿顶高ha,齿根高hf,齿顶角θa,齿根角θf,顶锥角δa,根锥角δf,分度圆齿厚s及锥距R。

热搜:圆锥齿轮为了测量和计算方便标准模数取在

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  • latex.action?latex=aV97MTJ9PVxmcmFje8%2BJXzF9e8%2BJXzJ9PVxmcmFje1pfMn17Wl8xfT1cZnJhY3szMH17MTV9PTI%3D
       latex.action?latex=dGFuzrRfMT1cZnJhY3taXzF9e1pfMn09XGZyYWN7MTV9ezMwfT0wLjU%3D    δ1=26.565°
       latex.action?latex=dGFuzrRfMj1cZnJhY3taXzJ9e1pfMX09XGZyYWN7MzB9ezE1fT0y    δ2=63.435°
       δ1+δ2=90°
       Zv1=Z1/cosδ1=15/cos26.565°=16.771(齿)
       Zv2=Z2/cosδ2=30/cos63.435°=67.082(齿)
       ha=ha*m=1×5=5mm
       hf=(ha*+c*)m=(1+0.2)×5=6mm
       锥距  latex.action?latex=Uj1cZnJhY3ttfXsyfVxzcXJ0e3pfMXpeMit6XzJeMn09XGZyYWN7NX17Mn1cc3FydHsxNV4yKzMw%0D%0AXjJ9PTgzLjg1M21t
       latex.action?latex=dGFuzrhfYT1cZnJhY3toX2F9e1J9PVxmcmFjezV9ezgzLjg1M309MC4wNTk2Mjg%3D
       θa=3.412°
       latex.action?latex=dGFuzrhfZj1cZnJhY3toX2Z9e1J9PVxmcmFjezZ9ezgzLjg1M309MC4wNzE1NTQ%3D
       θf=4.093°
       latex.action?latex=cz1cZnJhY3vPgG19ezJ9PVxmcmFje8%2BAw5c1fXsyfT03Ljg1NG1t
       δa1=δ1+θa=26.565°+3.412°=29.977°
       δ2=δ2+θa=63.435°+3.412°=66.847°
       δf1=δ1-θf=26.565°-4.093°=22.472°
       δf2=δ2-θf=63.435°-4.093°=59.342°