图 上泽充大￥ Fundamental Law of Gearing AA4AIL0ICo七Ys Why Involute? 票郵國民華中 REPUBLIC OF CHINA 350卓水博牛 图 上泽文通大学 Fundamental Law of Gearing Assuming roll without slip at the pitch point,what is the relationship between the angular velocities of the cylinders? From previous knowledge: 02=-1 033 From Instant Centers: Instant Center(2,3)must be located at point of contact. S0, 02 (1,3-2,3 03 1,2-2,36 Fundamental Law of Gearing Why Involute? Fundamental Law of Gearing Assuming roll without slip at the pitch point, what is the relationship between the angular velocities of the cylinders? From previous knowledge: 2 3 3 2 r r     From Instant Centers: Instant Center (2,3) must be located at point of contact. So,     2 3 3 2 1,2 2,3 1,3 2,3 r r      