In standard gearing, the axes of the different gears are mounted, the motion from the gears being simply rotations with regards to their axes. In epicyclic gearing, no less than just one gear don't just rotates, about its individual axis but in addition rotates bodily about some other axis. https://andytaeik.blogspothub.com/32920387/the-fact-about-gearbox-that-no-one-is-suggesting