摘要
二维超声加工技术中刀具独特的运动轨迹有助于切削液对加工区进行冷却、润滑,避免切屑对已加工表面的划伤,可提高加工质量和加工效率,从而被广泛运用于精密、超精密加工中。在对二维超声珩磨进行运动分析的基础上,建立二维超声振动珩磨声振系统的模型,借助于有限元分析软件ANSYS对模型进行模态分析、瞬态动力学分析和谐响应分析,并运用其后处理模块对数值模拟结果进行了图形及曲线描述,为二维超声珩磨声振系统的结构设计和性能优化提供了理论依据。
The tool’s unique movement trajectory in two-dimensional ultrasonic machining technology can help cutting liquid offer good lubrication and cooling ,avoid chip scratching machined surface ,improve the processing quality and processing efficiency ,so it is widely used in precision and ultra-precision machining .It builds the model of ultrasonic vibration system ,based on the motion analysis of two-dimensional ultrasonic vibration honing .In addition,mode analysis,transient dynamic analysis and harmonic re-sponse analysis are carried out by means of finite element analysis software ANSYS .Using graphics and curve in the postprocess-ing module describe the results of numerical simulation .It can provide powerful model and theoretical basis for the structure de-sign and performance optimization of ultrasonic vibration system ,which is used for two-dimensional ultrasonic vibration honing .
出处
《现代制造工程》
CSCD
北大核心
2014年第12期93-96,122,共5页
Modern Manufacturing Engineering
关键词
超声珩磨
声振系统
模态分析
瞬态动力学分析
谐响应分析
ultrasonic honing
vibration system
mode analysis
transient dynamic analysis
harmonic response analysis
