Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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The Displacement Minimization of the tool Center Point by the Crossrail Structure Improvement of the Portal Machine

공구 중심점의 변위 최소화를 위한 문형 공작기계의 크로스레일 개선 연구

  • Received : 2011.05.04
  • Accepted : 2011.06.01
  • Published : 2011.06.15
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Abstract

General portal machine represents a distinct weak spot concerning their structural behavior because of long protruding structure components, such as saddles and rams. The weak point causes the deformation of the machine tool and consequently rises a severe machining error. The purpose of this study is to improve the structural design of crossrail in order to minimize it's distortion. Tool Center Point (TCP) was chosen as a reference point for evaluating the distortion effect of a crossrail and topological optimization was adopted as a method of structural design improvement. The displacements of TCP according to the machining positions were investigated by structural analyses for both of original crossrail design and the improved one. The comparing results showed that the displacement of TCP could be reduced about 55% maximum.

Keywords

References

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