The Use Hot Stamping to Restore the Efficiency Tie Rod Ball Pins Trucks

Abstract

The restoration parts made metallic materials by the method hot die forging is considered. Technological processes for restoring parts by hot stamping have a number advantages: shaping occurs in dies a simple design, existing forging and pressing equipment is used with the use standard automation and mechanization tools. In the process restoration parts by hot plastic deformation, it is possible to restore the shape and dimensions the worn surface, as well as to obtain the required microstructure the metal the restored part, which makes it possible to increase its service life due to subsequent thermo mechanical processing. A study was made the reasons for the loss performance the ball pins the torque rod, designs dies were developed for the restoration worn solid parts by the method hot forging. Parts are restored by creating targeted metal flows into the wear area using hot plastic deformation. It has been established that the hardness the metal in the middle part the restored part "Ball pin" increased by 30 ... 32% in relation to serial parts. When heated to the temperature forging and deformation the metal, the internal damage the metal accumulated inside the part is restored. This allows you to increase the durability the restored parts by 26…30%.