Abstract: The simulation system of plasticity processing based on network is presented. This system aims at combining the network technology with the way of simulation of the plasticity forming process, because plasticity processing needs to deliver design data and information quickly via network and use the way of simulation to optimize the manufacturing technique. The system is applied to optimize the forging technique of connecting-rod and crankshaft. The manufacture information and images are delivered rapidly. The processing technique is optimized by means of physical simulation; The phenomena of material flowing and filling behavior within the mould are analyzed. At the same time some important parameters such as deforming stress and side-shifting stress are determined. Some conclusions can uncover the principles of disfigurement in forging, and can be used to program appropriate forging technique and to design reasonable mould structure. The practice proves that the simulation system of plasticity processing based on network is feasible and valuable.

Key words: Connecting-rod, Crankshaft, Network, Physical simulation, Plasticity processing