摘要
对主轴箱温度分布进行了研究,通过建立有限元模型并计算热源,利用ANSYS有限元软件对主轴箱进行稳态热分析、瞬态热分析和热-结构耦合分析,并通过实验对主轴箱热态特性进行测试。实验采用在加工过程中可直接测量的主轴中心点偏移来测量X、Y方向主轴热误差,采用Buttord算法对实验数据进行滤波处理,并绘制主轴中心点轨迹偏移图。结果表明,整个主轴箱温度场分布很不均匀,温度相差较大,主轴需400 s达到稳态热平衡;前、后轴承的温度变化趋势基本一致;主轴箱径向(Y轴)变形最大,为4.6692μm。
In order to explore the distribution of temperature field in headstock, a finite element model is set up, the heat source of the headstock is calculated, steady thermal analysis,transient thermal analysis and the thermal-structure coupling analysis of the headstock are carried out using ANSYS finite element software. Temperature characteristics test is done for headstock. In the experiment, the thermal error of X and Y direction of the spindle is measured indirectly by the center point deviation of the spindle which can be measured directly in the process of processing. The Buttord algorithm is used to filter the experimental data and draw the track map of the center point of spindle. The results show that the spindle temperature field is not uniform and the spindle need 400 seconds to achieve steady-state thermal balance. The temperature trend of the front and rear bearing is consistent. The spindle axis(Y direction)is the maximum amount of thermal deformation which is 4.6692 μm.
作者
梁赢东
于慎波
范季铮
王田
LIANG Yingdong;YU Shenbo;FAN Jizheng;WANG Tian(School of Mechanical Engineering,Shenyang University of Technology,Shenyang 110870,China)
出处
《机械工程师》
2019年第11期30-32,共3页
Mechanical Engineer
基金
国家自然科学基金项目(51175350)
沈阳市科技计划项目(F15-199-1-13)
关键词
主轴箱
温度场
热-结构耦合
热态特性
headstock
temperature field
thermal-structural coupling
thermal characteristics
