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

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Tie-bar Elongation Evaluation of Toggle Type Injection Molding Machine

토글식 사출성형기의 타이바 연신율 평가

  • 정현석 (한국기술교육대학교 대학원 메카트로닉스공학과) ;
  • 유중학 (한국기술교육대학교 메카트로닉스공학부)
  • Received : 2012.02.23
  • Accepted : 2012.06.26
  • Published : 2012.08.15
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Abstract

This paper studies the relation between the deformation of platen caused by clamping force, the bending stress and elongation at the tie-bar in injection molding machine of toggle type. These data are analyzed through analytical molding and numerical approach by tensile tester. The effect of bending stress on the stress concentration of teeth and nut system is also analyzed by 2 dimensional numerical approach. The bending stress of tie-bar caused by platen deformation becomes less than 20% of average tensile stress. And the effect of bending stress on stress concentration at teeth and nut system of tie-bar is found to be small.

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References

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