Boiler rear axle copper bush, is the new materials chromium zirconium copper action to make amorphous zone and magnetic materials is one of the spare parts. Used to jilt belt machine, is on the left with an important component parts. Utility model in metal and alloy melt with rejection technology, specific to a high vacuum single roll jilt machine, has the induction melting part, TongGun jilt take part, induction melting partially filled with drive melting pot lifting gear, rack drive mechanism, TongGun jilt take part of the TongGun center and induction smelting part of the melting pot nozzle eccentric Settings; Mentioned drive TongGun rotation of motor shaft seal the magnetofluid seal; Mentioned TongGun jilt take part with a drive installation TongGun translational gear, rack drive mechanism. The utility model structure is simple, swing with high quality, long service life and suitable for amorphous, microcrystalline alloy magnetic material, ultra-high strength amorphous alloy, and other metal materials with rejection.