汽车弯臂锻造工艺改进数值模拟及实验研究  

Numerical Simulation and Experimental Study for Forging Process of Automotive Curved Arm

作　　者：丁祖宏 李纪龙[2] 乔硕[2] 薛克敏[2] 

机构地区：[1]合肥汽车锻件有限责任公司,合肥230009 [2]合肥工业大学材料科学与工程学院,合肥230009

出　　处：《精密成形工程》2013年第5期24-28,共5页Journal of Netshape Forming Engineering

摘　　要：采用理论分析、计算机数值模拟和实验研究相结合的方法对汽车弯臂锻造工艺进行了优化设计研究。用Deform软件对弯臂成形工艺中的辊锻、弯曲和模锻工艺进行了精确的数值模拟,得到了金属流动、应力应变分布规律,并通过对辊锻工艺的改进来改变金属的分布,减少飞边尺寸,达到提高材料利用率,降低成本的目的。利用工厂现有设备对弯臂成形工艺进行了实验研究,实验结果表明,改进后的锻件充填饱满,飞边较小,材料利用率得到了提高,验证了该改进工艺的可行性和优越性。The theoretical analysis,computer numerical simulation and experimental research are used to study the forging process of automobile curved arm.The Deform software is used to accurately simulate the processes of roll forging,bending and forging and the metal flowing law in these processes and the distribution of stress and strain.The distribution of the metal can be changed and the flash size can be reduced by the improvement of the roll forging process to improve the material utilization.The experimental study of the forging process is carried out with the existing equipment.The experimental results show that the improved forging has smaller flash with higher material utilization,which verifies the feasibility and advantage of the improved process.

关 键 词：汽车弯臂 辊锻 数值模拟 金属流动规律 

分 类 号：TG316.3[金属学及工艺—金属压力加工]