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박판성형 해석용 마찰모델 (1부 : 실험)
Friction Model for Sheet Metal Forming Analysis (Part1 : Experiment)

이봉현   (한양대학교 일반대학원UU0001519  ); 금영탁   (한양대학교 기계공학부UU0001519  );
  • 초록

    In order to find the effect of lubricant viscosity, sheet surface roughness, tool geometry, and forming speed on the frictional characteristics in sheet metal forming, a sheet metal friction tester was designed and manufactured and friction test of various sheet were performed. Friction test results showed that as the lubricant viscosity becomes lower, the friction coefficient is higher. When surface roughness is extremely low or high, the friction coefficient is relatively high. The result also show that as the punch radius and punch speed becomes bigger, the friction coefficient is smaller. Using experimental results, the mathematical expression between friction coefficient and lubricant viscosity, surface roughness, punch comer radius, or punch speed is also described.


  • 주제어

    Friction Coefficient .   Lubricant Viscosity .   Sheet Surface Roughness .   Tool Corner Radius .   Forming Speed .   Sheet Metal Friction Test .   Sheet Metal Forming.  

  • 참고문헌 (21)

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  • 이 논문을 인용한 문헌 (8)

    1. 2004. "Friction Model for Sheet Metal Forming Analysis(Part 2 :Mathematical Model)" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics, 13(5): 461~465     
    2. Keum Y.T. ; Lee B.H. 2004. "Friction Model for Finite Element Analysis of Sheet Metal Forming Processes" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics, 13(6): 528~534     
    3. Shim, J.W. ; Keum, Y.T. 2007. "Effects of Blank Holding Force on the Friction Behavior in Sheet Metal Forming" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics, 16(5): 381~385     
    4. Han, S.S. ; Park, K.C. 2008. "Effect of Surface Roughness on Frictional Behavior of Sheet Steel for Automotive" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics, 17(6): 401~406     
    5. Han, S.S. 2010. "Influence of Surface Roughness Change on Frictional Behavior of Sheet Steel for Each Forming Mode" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics, 19(4): 236~241     
    6. Han, S.S. 2011. "Contact Pressure Effect on Frictional Behavior of Sheet Steel for Automotive Stamping" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics, 20(2): 99~103     
    7. Kim, N.J. ; Keum, Y.T. 2013. "Experimental Determination of Friction Characteristics for Advanced High Strength Steel Sheets" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics, 22(4): 223~228     
    8. Kim, J. E. ; Heo, J. Y. ; Yoon, I. C. ; Song, J. S. ; Youn, K. T. ; Park, C. D. 2015. "Evaluation of Friction Characteristics for High-Strength-Steel Sheets Depending on Conditions" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics, 24(6): 381~386     

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  • 이봉현 (3)

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    2. 2004 "박판성형 해석용 마찰 모델(2부:수학적 모델)" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics 13 (5): 461~465    
    3. 2004 "박판 성형공정 유한요소 해석용 마찰모델" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics 13 (6): 528~534    
  • 금영탁 (60)

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