DESIGN, MODELLING AND ANALYSIS OF A 3 STAGE EPICYCLIC ...
Design and Working Principle The heart of the planetary gearbox is the reduction group composed by the sun pinion (1) and three or more satellites (2) mounted on pins (4) which are supported by the satellite carrier (5). The sun pinion transmits it's motion to the satellites. The satellites then turn inside the ring gear (3) which is static. As consequence the satellite carrier .