Intermediate position area circular hoop form boss formula thin -wall hollow axle

The utility model relates to an intermediate position area circular hoop form boss formula thin -wall hollow axle and manufacturing method, it adopts the seamless steel pipe of mild steel or low carbon alloy steel as the material of producing the thin -wall hollow axle, with the material base of the certain length of seamless steel pipe sawing one -tenth, adopt intermediate frequency response rapid heating, deliver to quick press forming among the special mould, make its thin -wall hollow axiform become intermediate position outward appearance and wear circular hoop form convex structure, then adopt the outside geometry of lathe lathe work hollow shaft, make the intermediate position area circular hoop form boss formula thin -wall hollow axle product promptly. The utility model discloses simple process, make easy, the process is few, the province's material that saves time, low in labor strength, high, the low in the pollution of the environment of production efficiency, saves a large amount of metal material