基于能量平衡的管螺纹数控车床床身动态特性分析  

Analysis of Dynamic Characteristics on Bed Structure for Pipe Thread CNC Lathe Based on Energy Balance

作　　者：徐广晨 孙兴伟[1] XU Guangchen;SUN Xingwei(School of Mechanical Engineering,Shenyang University of Technology,Shenyang Liaoning 110870,China;School of Mechanical Engineering,Yingkou Institute of Technology,Yingkou Liaoning 115014,China)

机构地区：[1]沈阳工业大学机械工程学院,辽宁沈阳110870 [2]营口理工学院机械与动力工程系,辽宁营口115014

出　　处：《机床与液压》2018年第13期116-120,共5页Machine Tool & Hydraulics

基　　金：国家自然科学基金资助项目(50475170);辽宁省百千万人才工程项目(2015-47)

摘　　要：以钻铤钻杆数控管螺纹车床为研究对象,通过Pro/E软件建立床身的三维实体模型,利用有限元分析软件Ansys进行动力学分析,在计算了床身的固有频率和能量分布的基础上,提出了依据变异系数来判断能量分布的均匀程度,并结合振型分析,寻找床身的薄弱环节,为机床加工的稳定性奠定了基础。Taking CNC pipe thread lathe with drilling collar and drilling pipe as the research object,three dimensional solid model of the bed was established through Pro/E software. By using Ansys software,dynamic analysis was carried out to simulate the natural frequency and energy distribution of the bed structure. Then the coefficient of variation was proposed to judge the uniformity of energy distribution,and the weak points was found in combination with the vibration analysis,which laid foundation for the stability of the machine tool processing.

关 键 词：数控管螺纹车床 床身 能量平衡 变异系数 

分 类 号：TH122[机械工程—机械设计及理论]