内管模锻成形仿真建模的工艺参数选择

The Technological Parameters of Metal Tube for Forging Simulation Model

文章提出基于计算机辅助技术的有限元仿真建模方法,采用考虑坯料形状、材料等所有的工艺参数进行"仿真建模——参数输入——优化参数——输入模型验证——指导生产"方式,改善了传统生产制造中,完全靠试验验证周期长和成本高的缺陷,快速求解并用于生产。综合分析了在内管锻造成形仿真建模时,各项加工工艺参数对建模仿真结果的影响趋势,根据实际的生产经验参数,选择合适的加工工艺参数,构建仿真模型。文中提出的内管锻造仿真建模分析方法,可以更好地用于指导生产。

The forging process of metal tube was simulated by using finite element based on DEFORM-3D.Technological parameters including size of locating rod the temperature of mould,forging speed,friction coefficient,element quantity and heat conduction coefficient should be adopt to construct the simulation model.The plastic strain and stress were calculated.The results show the trend of parameters to the results.Proposed method validate that the proper technological parameters were crucial for the simulation model,can be used to optimize the plastic strain,reduce the damage values and improve the quality of the production.