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以某新型号汽车的冲压配件为研究对象,采用弹塑性有限元法分析其成形性能,发现局部存在起皱、破裂等成形缺陷;通过优化工艺及模具设计,零件成形质量有了明显改善。针对数值分析后的模型,采用激光选区烧结法快速制作零件及凹模的实体原型。利用此原型件可以对产品设计进行直观评价或制作简易模具,能有效提高零件及模具设计效率和质量。
Taking the stamping parts of a new type of automobile as the research object, the forming performance of the stamping parts was analyzed by elasto-plastic finite element method. The forming defects such as wrinkle and rupture were found locally. The forming quality of the parts was improved obviously by optimizing the process and the mold design. Aiming at the model after the numerical analysis, the solid prototype of the parts and the die is made rapidly by laser selective sintering. Use this prototype to visualize the product design or create a simple mold that can effectively improve part and mold design efficiency and quality.