Failure Analysis of Cold Extrusion Die for the Helical Gear

헬리컬기어 냉간압출금형의 파손해석

  • 권혁홍 (대진대학교 기계설계공학과)
  • Published : 2001.04.01

Abstract

This paper suggests to predict the failure of helical gear extrusion die. The basic assumption that constitutes the frame-work for any combined stress failure theory is that failure is predicted to occur when the maximum value of stress becomes equal to or exceeds the value of the same modulus that produces failure in a simple uniaxial stress test using the same material. The stresses which were calculated to each critical points are applied maximum normal stress theory and distor-tion energy theory. The theroretical analysis and experimental results for Samanta process and New process dies were com-pared.

Keywords

References

  1. 한국공작기계학회 98년도 추계학술대회 논문집 Die Design on the Precision Cold Forging of Spur Gear 권혁홍;진황민;김형섭
  2. Industrial & Production Engineering Automation in Forming Using CAD/CAM T. Fisher;C. Grosse
  3. Technical Report of R & D Center of Battle Establishment of A CAD/CAM Process for the Production of Cold Forged Gears D. Kuhlmann;P.S. Raghupathi;T. Altan
  4. Proc.4th North Americal Metal working Research Conf. Helical Gear;A Novel Method of Manufacturing It S. K. Samanta
  5. Failure of Materials in Mechanical Design J. A. Collins
  6. Design of Machin Elements Fifth Edition M. F. Spottts
  7. Advanced Mechanics of Materials Third Edition A. P. Boresi;O. M. Sidebottom;F. B. Seely;J. O. Smith