摘要
为了实现异种材料的高性能点连接,本文针对搅拌摩擦振动铆焊新技术设计了多电机驱动搅拌摩擦振动铆焊设备,对设备结构进行了有限元分析。利用Ansys Workbench软件对设备的机身进行静力学分析,校核了机身和关键零部件的刚度与强度,并通过模态分析研究了设备振动响应特性。结果表明,设备结构设计和运动控制方案满足异种材料的搅拌摩擦振动铆焊连接工艺需求;机身的强度与刚度性能良好,设备工作过程中振动稳定,不会发生共振现象;动力头安装架及主轴等关键零部件结构设计合理,强度和刚度均满足搅拌摩擦振动铆焊工艺需求,主轴的额定转速远小于共振临界转速,动态特性良好。
In order to achieve high performance joining of dissimilar materials,this paper designs a multi-motor driven vibration assisted friction stir rivet welding(VFSRW)equipment for this new method,and the equipment structure is analyzed by finite element method.Ansys Workbench software is used to static analyze of the equipment body,the stiffness and strength of the body and key components are checked,the vibration response characteristics of the equipment are studied by modal analysis.The results indicate that the structure design and motion control of the equipment agree with the requirements of the VFSRW process for dissimilar materials.The strength and stiffness of the body are good,and the vibration of the equipment is stable during operation without resonance.The structure design of key components such as the power head mount and spindle is reasonable,and the strength and stiffness meet the requirements of the VFSRW process,the rated speed of the spindle is far less than the critical speed of resonance,and the dynamic characteristics are excellent.
作者
张鹏
赵升吨
张传伟
费亮瑜
张佳莹
ZHANG Peng;ZHAO Sheng-dun;ZHANG Chuan-wei;FEI Liang-yu;ZHANG Jia-ying(School of Mechanical Engineering,Xi’an Jiaotong University,Xi’an 710049,China;College of Mechanical Engineering,Xi’an University of Science and Technology,Xi’an 710054,China)
出处
《重型机械》
2021年第5期75-80,共6页
Heavy Machinery
基金
国家自然科学基金面上项目(51675414)
国家自然科学基金联合基金项目(U1937203)
陕西省自然科学基础研究计划企业联合基金(2019JLP-06)。
