General Review 上产克大睾 SHEAMGRAI DUAD TONO UNTVEEETTY Techniques of mechanical processing Mechanical processing shaping materials into engineering components (dimensional accuracy,specified microstructures and mechanical properties). Techniques of mechanical processing > bulk metal working:using rolling,forging or extrusion (at elevated temperatures);large strains may be imposed in a single step of the operation without the onset of fracture. > cold working:good surface finish,high dimensional tolerance and better strength,smaller strains and require large number of steps with to restore the ductility (sheet metal working cold forging,intermediate annealing impact extrusion,coining,wire and tube drawing) Institute of Forming Technology EquipmentGeneral Review Institute of Forming Technology & Equipment Techniques of mechanical processing 5  Mechanical processing : shaping materials into engineering components (dimensional accuracy, specified microstructures and mechanical properties).  Techniques of mechanical processing  bulk metal working: using rolling, forging or extrusion (at elevated temperatures) ; large strains may be imposed in a single step of the operation without the onset of fracture.  cold working: good surface finish, high dimensional tolerance and better strength, smaller strains and require large number of steps with to restore the ductility (sheet metal working cold forging, intermediate annealing impact extrusion, coining, wire and tube drawing)