▎ 摘　　要

NOVELTY - The utility model claims a cylindrical self-lubricating bush for coiling shaft, comprising a low-carbon steel substrate, a metal butting block A; a metal abutting block B and a winding shaft main body; one end of the low carbon steel base is welded with a metal abutting block A, the other end of the low carbon steel base is welded with a metal abutting block B, the outer surface of the low carbon steel base is equipped with a graphene heat conducting plate; the outer surface of the low carbon steel base is embedded with a self-lubricating block; the outer surface of the low carbon steel base is added with a copper plating layer; the inner surface of the low carbon steel base is coated with a self-lubricating layer. The utility model is provided with a graphene heat conducting plate on the outer surface of the low carbon steel base body; the application of the material of the low carbon steel base body, and carrying out a certain blackening processing, improving the good bearing performance and heat transfer function of the device, and attached on the low carbon steel base body through the graphene heat conducting plate, conducting heat; so as to reach high radiating ability.