Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Study on the Radial Stress Considering Mechanical Characteristics of Substrate in Wound Rolls

롤투롤 와인딩 시스템에서 소재 특성을 고려한 반경 방향 응력에 대한 연구

  • Kim, Seongyong (Department of Mechanical Design and Manufacturing, Changwon National University) ;
  • Lee, Changwoo (School of Mechanical Engineering, Changwon National University)
  • 김성용 (창원대학교 기계설계공학과) ;
  • 이창우 (창원대학교 기계공학부)
  • Received : 2015.01.05
  • Accepted : 2015.01.26
  • Published : 2016.02.01
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Abstract

Winding is one of the major processes in roll-to-roll systems. Taper tension profile in a winding determines the distribution of stress in the radial direction, i.e., the radial stress in the wound rolls. Maximum radial stress is major cause of material defect, and this study has been actively proceeded. Traditional models of radial stress model were focused on flexible and light substrate. In this study, we developed an advanced radial stress model including effects of both these parameters(weight and stiffness) on the radial stress. The accuracy of the developed model was verified through FEM(Finite Element Method) analysis. FEM result of maximum radial stress value corresponds to 99 % in comparison to result with the model. From this study, the material defects does not occur when the steel winding. And steel industry can be applied to improve the winding process.

Keywords

References

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Cited by

  1. Stresses and Defects in Roll Products: A Review of Stress Models and Control Techniques vol.19, pp.5, 2018, https://doi.org/10.1007/s12541-018-0094-z