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Friction Characteristics of Sheets for The Surface Finish and The Stoning Directions of the Dies

금형의 표면정도와 가공방향에 따른 판재의 마찰특성

  • 김동환 (부산대학교 대학원 정밀기계공학과) ;
  • 김병민 (부산대학교 정밀정형 및 금형가공연구센터) ;
  • 오세욱 ((주)현대자동차 금형기술개발팀) ;
  • 박춘달 ((주)현대자동차 금형기술개발팀) ;
  • 황지선
  • Published : 2001.02.01

Abstract

This paper investigates the combined effects of parameters such as die surface finish, die directionality of stoning contact pressure and draw speed on the resulting coefficient of friction. Also, this study show the correlation between the NN(Neural Network) and DOE(Design of Experiments) to reduce the number of experiments without the loss of the effects of parameter upon coefficient of friction. The experiments were run in random order with at least three replicates. It was found that the directional stoning orthogonal to the pulling direction is lower friction than directional stoning parallel to the pulling directi on using FCD55 die and SPCEN.

Keywords

Coefficient of Friction;Stoning Directions;Die Roughness;NN;Orthogonal Array

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