Gear Ratio of Each Range
Gear Ratio of Each Range^ The relation between each element of the planetary gear set and the rotation speed is generally indicated in the formula below.
(ZR+ZS)NC=ZRNR+ZSNS --------------- (1)
Symbol key
Z: Number of teeth
N: Rotation speed
R: Internal gear
S: Sun gear
C: Planetary carrier (part of pinion gear)
Number of teeth and symbol of each gear
Symbol key