Processing method of integral outer finned tube with discrete and continuous fins

The invention discloses a processing method of an integral outer finned tube with discrete and continuous fins, which comprises the following steps: S1, tooth forming of a base tube: a plurality of tooth-shaped structures are processed and formed on the outer wall of the base tube, and a gap is formed between every two adjacent tooth-shaped structures; s2, fins are machined, specifically, a main cutting edge of a fin forming tool is aligned to one side of a tooth-shaped structure, and then a base tube is rotated; when the base tube rotates, the main cutting edge of the fin forming cutter is pushed from one side of the tooth-shaped structure to the other side of the tooth-shaped structure to cut the tooth-shaped structure and the tube wall of the base tube, the part, cut by the main cutting edge, of the tooth-shaped structure forms discrete fins, and the part, cut by the main cutting edge, of the tube wall of the base tube forms continuous fins at the roots of the discrete fins. The outer fin units of the inte