What is another word for planet wheel?
Pronunciation: [plˈanɪt wˈiːl] (IPA) 
Planet wheel, also known as planetary gear or epicyclic gear, is a type of gear system where multiple gears rotate around a central gear. This system is widely used in automobiles, robotics, and industrial machinery to transmit torque and control speed. Synonyms for planet wheel include sun gear, ring gear, planetary gearset, annular gear, epicyclic gearing, and solar assembly. The sun gear is the central gear that transmits power to the planetary gears, which are housed in the planet carrier. The ring gear is the outer gear that meshes with the planet gears. Annular gear refers to a circular gear with teeth on the inside and outside, often used in planetary gear systems. Epicyclic gearing is another term used to describe the motion of planet gears in a planetary gear system. Solar assembly is a synonym that refers to the complete set of gears that make up the planetary gear assembly.
