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Research on the thermal error of the 3d-coordinate measuring machine based on the finite element method

  • Shuanghui Hao*
  • , Jizhu Liu
  • , Baoyu Song
  • , Minghui Hao
  • , Weifeng Zheng
  • , Zili Tang
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

3D-coordinate Measuring Machine (CMM) is affected by various heat sources in high-speed measuring, which results in deformation of the machine and measurement errors. This paper makes a theoretical analysis on the thermal error produced during the CMM's work process. And the thermal deformation of CMM is analyzed with Finite Element Method (FEM). A thermal error compensation model is also established by multi-body theory. Meanwhile integral mean value theorem is used to establish a mathematical model of the thermal expansion of the drive screw, and the CMM measurement accuracy is improved.

Original languageEnglish
Title of host publicationIntelligent Robotics and Applications - First International Conference, ICIRA 2008, Proceedings
Pages440-448
Number of pages9
EditionPART 2
DOIs
StatePublished - 2008
Event1st International Conference on Intelligent Robotics and Applications, ICIRA 2008 - Wuhan, China
Duration: 15 Oct 200817 Oct 2008

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NumberPART 2
Volume5315 LNAI
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference1st International Conference on Intelligent Robotics and Applications, ICIRA 2008
Country/TerritoryChina
CityWuhan
Period15/10/0817/10/08

Keywords

  • CMM
  • Finite Element Analysis
  • Thermal Error

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