齿廓啮合基本定律 概念: 相对速度瞬心 Gear 1 节点( Pitch Point 节圆( Pitch circle) 共轭齿廓( Conjugate Gear-tooth) M B 1,=1=a,0.C=02O,C Gear 2 OC O,C齿廓啮合基本定律 v 1 = v 2 = ω1 O 1 C = ω 2 O 2 C O C O C i 1 2 2 1 = = ω ω 概念： 相对速度瞬心 节点(Pitch Point) 节圆(Pitch Circle) 共轭齿廓(Conjugate Gear-tooth)