RESEARCH ON ACCURATE MODELING OF HYDROSTATIC MOTORIZED SPINDLE BASED ON RESPONSE SURFACE OPTIMIZATION ALGORITHM

SHEN ZhiDong; DU Xiong; LI HaoLin; CAO WenJie; CUI Yi

doi:10.16579/j.issn.1001.9669.2022.05.023

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RESEARCH ON ACCURATE MODELING OF HYDROSTATIC MOTORIZED SPINDLE BASED ON RESPONSE SURFACE OPTIMIZATION ALGORITHM

更新时间：2022-11-10

- RESEARCH ON ACCURATE MODELING OF HYDROSTATIC MOTORIZED SPINDLE BASED ON RESPONSE SURFACE OPTIMIZATION ALGORITHM
- Journal of Mechanical Strength Vol. 44, Issue 5, Pages: 1179-1185(2022)
- 作者机构：
  
  1. 上海理工大学机械工程学院
  2. 上海机床厂有限公司
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2022.05.023
  CLC：
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SHEN ZhiDong, DU Xiong, LI HaoLin, et al. RESEARCH ON ACCURATE MODELING OF HYDROSTATIC MOTORIZED SPINDLE BASED ON RESPONSE SURFACE OPTIMIZATION ALGORITHM. [J]. 44(5):1179-1185(2022)
DOI：

SHEN ZhiDong, DU Xiong, LI HaoLin, et al. RESEARCH ON ACCURATE MODELING OF HYDROSTATIC MOTORIZED SPINDLE BASED ON RESPONSE SURFACE OPTIMIZATION ALGORITHM. [J]. 44(5):1179-1185(2022) DOI： 10.16579/j.issn.1001.9669.2022.05.023.

摘要

在进行静压电主轴的边界条件的求解中，由于传统的经验公式计算得出的边界条件与实际存在一定的误差，为了解决这一问题，提出一种基于响应面优化算法，以复合试验设计思想为中心，建立定子与转子间的气隙换热系数和主轴内孔强迫对流换热系数与温度间的数学模型，即温度场数学模型。将优化后的对流换热系数加载至仿真模型中，借助Ansys Workbench仿真分析软件，对静压电主轴进行温度场求解，最终通过设计传感器测点，进行温度测量，并与仿真结果进行对比。结果表明：通过修正优化后的模型所得出的前轴承仿真温度测点与实验温度最大误差仅在9.41%,后轴承测点与实验最大误差为3.09%,能够非常有效的提高静压电主轴的仿真精度，结果可靠。

Abstract

In solving the boundary conditions of a hydrostatic motorized spindle, there are some certain errors between the boundary conditions calculated by the traditional empirical formula and the actual conditions. In order to solve this problem, an optimization algorithm based on response surface is proposed in this paper, which is based on the idea of composite experimental design. The mathematical models of air gap heat transfer coefficient between stator and rotor, forced convection heat transfer coefficient of spindle inner hole and temperature are established, which is also called the mathematical model of temperature field. By using ANSYS Workbench simulation analysis software, load the optimized convective heat transfer coefficient into the simulation model to solve the temperature field of the hydrostatic motorized spindle to solve the temperature field of the hydrostatic motorized spindle. After selecting the sensor measuring points for temperature measurement, the results are compared with the simulation results. The results show that: the maximum error between the front bearing simulation temperature measurement point and the experimental temperature point is only 9.41%, and the maximum error between the rear bearing measurement point and the experimental temperature point is 3.09%. And it verifies the effectiveness and reliability of the method to improve the simulation accuracy of the hydrostatic motorized spindle.

关键词

静压电主轴Ansys workbench响应面优化算法实验研究

Keywords

Hydrostatic motorized spindleAnsys workbenchResponse surface optimization algorithmExperimental study

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