学机械的朋友们这些英语单词你记住了吗？
阿基米德螺线 Archimedes spiral
摆线 cycloid
长幅摆线 prolate cycloid
短幅摆线 curtate cycloid
外摆线 epicycloid
长幅外摆线 prolate epicycloid
短幅外摆线 curtate epicycloid
内摆线 hypocycloid
渐开线 involute
延伸渐开线 prolate involute
缩短渐开线 curtate involute
球面渐开线 spherical involute
阿基米德螺旋面 screw helicoid
球面渐开螺旋面 spherical involute helicoid
圆环面 toroid
干涉 interference
齿廓修形 profile modification
修缘 tip relie
齿向修形 axial modification
齿端修薄 end relief
鼓形齿 crowned teeth
根切（挖根） undercut
啮合 engagement
啮合线 path of contact
端面啮合线 transverse path of contact
啮合曲面 surface of action
作用角 angle of transmission
总作用角 total angle of transmission
作用弧 overlap arc
总作用弧 total overlap arc
端面重合度 transverse contact ratio
纵向重合度 overlap ratio
重合度 contact ratio
标准中心距 reference center distance
名义中心距 nominal center distance
径向变位 addendum modification
正变位 positive addendum modification
负变位 negative addendum modification
非变位齿轮 X-zero gear
变位齿轮 gear with addendum modification
径向变位量 addendum modification (for external gears)
径向变位系数 addendum modification coefficient
变位齿轮副 X-gear pair, modified gear pair
角变位齿轮副 gear pair with modified center distance