Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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FEM Modeling Automation of Machine Tools Structure

공작기계 구조물의 전산 모델링 자동화

  • Lee, Chan-Hong (Department of Ultra Precision Machines and Systems, KIMM) ;
  • Ha, Tae-Ho (Department of Ultra Precision Machines and Systems, KIMM) ;
  • Lee, Jae-Hak (Department of Ultra Precision Machines and Systems, KIMM)
  • 이찬홍 (한국기계연구원 초정밀시스템연구실) ;
  • 하태호 (한국기계연구원 초정밀시스템연구실) ;
  • 이재학 (한국기계연구원 초정밀시스템연구실)
  • Received : 2012.07.24
  • Accepted : 2012.08.23
  • Published : 2012.10.01
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Abstract

The FEM analysis of machine tools is the general analysis process to evaluate machine performance in the industry for a long time. Despite advances in FEM software, because of difficult simplicity of CAD drawing, little experience of joints stiffness modeling and troublesome manual contact area divide for bindings, the industry designers think the FEM analysis is still an area of FEM analysis expert. In this paper, the automation of modeling process with simplicity of drawing, modeling of joints and contact area divide is aimed at easy FEM analysis to enlarge utilization of a virtual machine tools. In order to verify the effects of modeling automation, a slant bed type model with tilting table is analyzed. The results show FEM modeling automation method only needed 45 minutes to complete the whole modeling process, while manual modeling method requires almost one month with 8200 calculations for coordinate transformations and stiffness data input.

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References

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