摘要
根据花键轴法兰盘锻件的外形结构特点,采用理论分析和有限元模拟相结合的方法,制定了3步模锻成形工艺。法兰3个凸耳部位需要较多的金属,利用楔形模面的聚料作用,预锻工步在3个耳部聚集了较多的金属,使终锻变形成为可能。在法兰中部凸台部位设置余料腔,可有效降低终锻成形力。通过数值模拟,证明模锻工艺的可行性。通过工艺实验,得到合格锻件。设计的带有楔形法兰的预锻件,不仅可解决预锻聚料问题,而且有利于终锻成形。
Based on the characters of structure and dimensions of some splined shaft flange, three steps die forging scheme was laid down through theoretical analysis and FEA. There are three ears well-distributed on flange needed more metal. In pre-forg- ing step, more metal was accumulated in three ears region using wedge-shaped die surfaces, then the finished forging was possi- ble. Excess material cavity located on the top of the boss in flange center could reduced finished forging force effectively. The die forging process was proved feasible through FEA. At last, the qualified forging was gotten through process experiment. Preforging part designed with wedge-shaped flange could solve the problem of accumulating material in pre-forging step, but also was advantage of finished forming.
出处
《塑性工程学报》
CAS
CSCD
北大核心
2015年第4期15-20,共6页
Journal of Plasticity Engineering
基金
河南省高等学校青年骨干教师资助计划项目(2010GGJS-147)
河南省科技攻关资助项目(132102210460)
河南省教育厅科技攻关资助项目(14A460014)
河南省高校科技创新人才资助项目(2012HASTIT023)
河南省高校科技创新团队资助项目(14IRTSTHN003
2012IRTSTHN014)
关键词
法兰
聚料
数值模拟
实验
flange
accumulating material
number simulation
experiment
