超声辅助滚压加工中颤振问题的研究  

The study about the self-excited vibration of the ultrasonic auxiliary rolling process

作　　者：张翼[1] 张明[1] 毛蜀平[1] 衣春杰 

机构地区：[1]青岛科技大学机电工程学院,山东青岛266061

出　　处：《制造技术与机床》2017年第3期103-107,共5页Manufacturing Technology & Machine Tool

摘　　要：研究了超声辅助滚压加工过程中颤振的发生和发展的过程,从振动能量输入的角度分析了工艺系统发生再生型颤振的原因,建立了工艺系统振动模型并得到了解析解。在理论和实验的研究基础上,阐明了抑制颤振的方法和途径,为超声辅助滚压系统的表面加工质量和工艺水平优化提供可靠指导。During ultrasonic auxiliary rolling process,the occurrence and development of self-excited vibration was studied. From the angle of vibration energy input to analyze the occurring reasons of regenerative self-excited vibration,the vibration model of process system was established and the analytical solution was obtained. On the basis of theoretical and experimental research,the methods to restrain regenerative self-excited vibration were expounded to optimize surface quality and technological level of the whole ultrasonic auxiliary rolling process system.

关 键 词：超声辅助滚压 自激振动 再生型颤振 表面质量 

分 类 号：TH17[机械工程—机械制造及自动化]