we used the tube end machine,                 pipe end forming machine is to enlarge pipe under normal conditions, necking and shrinkage for processing tube the forming device, which is composed of an integrated touch screen display control. The use of different molds can be achieved to pipe expansion, necking, shrink tube, drum, pier reinforcement, and according to user requirements, decided to use manual, inching or automatic processing. The utility model is mainly composed of an oil tank, an automobile body, a slide block, a main oil cylinder, a limit oil cylinder, a pressing oil cylinder, a shifting oil cylinder, an axial positioning oil cylinder and an axial positioning contact iron.