Paper Title:
Modeling and Estimating Thermal Error in Precision Machine Spindles
  Abstract

Thermal induced errors are significant factors that affect machine tool accuracy. The deformation of spindle is the main contributor to thermal error. In this paper, the thermal characteristics of the spindle system are investigated. Taking into account the coupling of elastic deformation and temperature, the heat conduction of the spindle system is modeled. The heat of bearings and heat transfer coefficient, and boundary conditions of the spindle are determined. Based on the numerical results, an iterative model of spindle's temperature and thermal deformation are acquired under the actions of thermal loads using the finite element method. Taking the spindle of precision boring machine with some reasonable assumptions and simplicities as an example, the finite element analysis model of spindle thermal characteristics is analyzed with virtual prototyping, and the static/transient temperature field and thermal-structure field are calculated using ABAQUS software. The characteristics of heat flow and thermal deformation within the spindle are analyzed according to the simulation results. The research results provide a theoretical foundation for reasonable arrangement and optimal design to reduce radial and axial deformation of the spindle head, temperature controlling, and the error compensation to the precision machining tool.

  Info
Periodical
Edited by
Shengyi Li, Yingchun Liu, Rongbo Zhu, Hongguang Li, Wensi Ding
Pages
507-511
DOI
10.4028/www.scientific.net/AMM.34-35.507
Citation
J. Han, L. P. Wang, L. Q. Yu, "Modeling and Estimating Thermal Error in Precision Machine Spindles", Applied Mechanics and Materials, Vols. 34-35, pp. 507-511, 2010
Online since
October 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Feng Tao Wang, Lu Tao Song, Bin Zhang
Abstract:Increasing the machining precision of machine tools has imposed higher demands for dynamic characteristics of the key components. Taking the...
2107
Authors: Li Da Zhu, Jian Qiu, Yue Hu Wang, Jiang Li, Wan Shan Wang
Abstract:The mathematic models describing various joints of whole machine are founded to research dynamic performance of turn-milling center based on...
412
Authors: Dong Man Yu, Chang Pei Shang, Di Wang, Zhi Hua Gao
Abstract:Due to high rotation accuracy, high dynamic stiffness, high vibration damping and long life, high-speed spindles supported by hydrodynamic...
1511
Authors: Chen Guang Guo, Li Guo Bai, Bao Long Zheng, Yi Shan Pan
Chapter 1:Industrial Mechanical Engineering and Mining Machinery
Abstract:In this paper, a research of precision CNC turning center’s spindle is presented. Spring damper elements are used to simulate the supports of...
47
Authors: Yan Lei Li, Ming Yan Wang, You Min Hu, Bo Wu
Chapter 2: Researching and Designing of Machines and Mechanisms
Abstract:This paper proposes a new method to predict the spindle deformation based on temperature data. The method introduces ANFIS (adaptive...
263