DESIGN OF PLANETARY GEAR TO USE IT FOR LAPPING OF WEDGE OF GATE VLAVE AND ITS BENEFITS OVER OTHER GEAR MECHANISM

Planetary gears (PLG's) work as the name implies: the sun wheel is in the center and driven by the motor. It confers its motion onto three rotary planetary wheels which form a stage. They are arranged on the bearing bolt of a planetary carrier. The last planetary carrier in each case is rigidly connected to the drive shaft and so provides power transmission. On the outside the planetary gear wheels also rotate in a gearbox with internal gearing, the so-called hollow wheel.