A Study on Stress Distribution of Korean High Speed Train Wheel at Tread Braking

한국형 고속전철의 답면제동에 의한 차륜의 응력분포에 관한 연구

  • 권범진 (철도청 서울기관차승무사무소) ;
  • 정흥채 (한국철도기술연구) ;
  • 김호경 (서울산업대학교 자동차공학과)
  • Published : 2002.09.01

Abstract

The influence of thermal stress at tread breaking in Korean High Speed Train wheel was investigated using the coupled thermal-mechanical analysis technique. The mechanical load or wheel-rail contract load and braking load were considered during FEM analysis. During the stop braking, the effect of mechanical stress on the combined stress is relatively larger than that of thermal stress in the rim of wheel. However, the effect of thermal stress is relatively larger than that of mechanical stress in the plate of wheel. When 300% of the block force was applied, the maximum von Mises stress of 61.0 MPa was found at the outside plate around 400 mm far away from the wheel center.

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