Gravity casting spinning wheel production method

The invention belongs to the technical field of hub manufacturing equipment, and relates to a gravity casting spinning wheel production method which comprises the following steps: A, smelting: adding a certain proportion of foundry returns into a raw material aluminum ingot for melting; b, the mold cavity is filled with the molten aluminum through the gravity of the molten aluminum, and gravity casting is completed; c, pre-machining the surface to a set size; d, spinning casting is conducted on the gravity blank; e, heat treatment is conducted, specifically, the spun blank is subjected to heat treatment; f, machining the blank; g, surface treatment, wherein the surface of the product is subjected to coating or electroplating treatment; and H, carrying out mechanical performance test on the finished product. According to the gravity casting spinning wheel production method, the advantages of gravity casting and spinning casting products can be integrated, a cooling pipeline is optimized, the gravity casting mo