The rotor of a ceiling fan is the rotating part of the motor that drives the blades of the fan. It is typically made of a metal core or "lamination" that is surrounded by a winding of wire. The rotor is mounted on a shaft and is located inside the housing of the fan, adjacent to the stator.

The rotor of a ceiling fan is typically made of mild steel, which is a type of low-carbon steel that is known for its ductility, strength, and corrosion resistance. Mild steel is a popular choice for fan rotors because it is relatively inexpensive, easy to work with, and durable.

The rotor of a ceiling fan is typically connected to the blades of the fan through a blade arm, which is a long, thin piece that extends from the rotor to the blades. As the rotor rotates, it drives the blades, which move through the air to create a breeze. The rotation of the rotor is typically powered by the interaction between the magnetic field generated by the stator and the winding of the rotor. This interaction causes the rotor to rotate, which in turn drives the blades of the fan.