METHOD FOR FORMING TUBULAR BODY RETAINING PART TO DEEP DRAWING MEMBER

摘要

PROBLEM TO BE SOLVED: To reduce the cost while improving operability. SOLUTION: In the manufacturing stage of a plug with a connector with which a bowl-shaped plug part which is force-fitted into a core taking-out hole of castings and a connector part to which a tubular body such as a rubber hose is connected are integrally connected, the connector part 12 as a member to be worked which is formed into an approximately cylindrical shape by deep drawing is fixed while regulating the movement in the axial direction and the radial direction with a lower die 20 and the core 22 except the vicinity of the tip part. By pressing and inserting a core die 24 from the tip part of the connector part 12 and swelling the vicinity of the tip part of the connector part 12 outside in the radial direction with the underside of a fixing part 24B while suppressing the deformation inside in the radial direction of the tip part of the connector part 12 with a columnar part 24A, a bulge 26 is formed.