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드럼 브레이크에서의 열응력에 의한 내구성을 통한 융합적 분석

Convergent Analysis through Durability by Thermal Stress at Drum Brake

  • 오범석 (공주대학교 기계자동차공학부) ;
  • 조재웅 (공주대학교 기계자동차공학부)
  • Oh, Bum-Suk (Division of Mechanical & Automotive Engineering, Kongju National University) ;
  • Cho, Jae-Ung (Division of Mechanical & Automotive Engineering, Kongju National University)
  • 투고 : 2020.02.06
  • 심사 : 2020.05.20
  • 발행 : 2020.05.28

초록

본 연구에서는 드럼자체와 브레이크에 대한 시뮬레이션 해석을 하였으며 열해석 결과와 구조 해석을 통한 내구성을 고찰하여 그 해석 결과를 얻었다. 브레이크 실린더로 인하여 힘을 받는 라이닝,라이닝의 확장으로 인하여 힘을 받는 드럼 내부, 축의 회전으로 인하여 힘을 받는 드럼에 대한 열응력 및 구조 해석을 통하여 어느 부분에 등가응력과 변형량이 큰지를 확인하였다. 본 연구 결과를 종합하여 브레이크 디스크설계에 응용한다면 열변형 방지 및 그 내구성을 증대시키는데 활용성이 클 것으로 사료된다. 본 연구 결과는 실제적으로 드럼 브레이크에서의 열응력에 견딜 수 있는 내구성 있는 설계에 유용하게 적용할 수 있다. 계절별 기차선로 이음새에서의 내구성 해석을 적용함으로서 본 연구 결과가 미적인 설계에 응용되는 융합 연구에 유리하다고 보여진다.

In this study, a simulation analysis on the drum itself and the brake was examined. And the analysis results were obtained by investigating the thermal analysis results and the durability through structural analysis. Through the thermal stress and structural analyses on the lining under the force due to the brake cylinder, the drum inside under the force due to the expansion of the lining and the drum under the force due to the rotation of the axis, it was confirmed at which part the amounts of equivalent stress and deformation became large. If applied to the brake disc design by combining the results of this study, it is considered to be large utilization at increasing the prevention against the thermal deformation and its durability. The results of this study can be usefully applied to the durability design that can withstand the thermal stress in the drum brake. By applying the durability analysis at the seam of railroad track by season, this investigation result is seen to be favorable as the convergent research applied to the aesthetic design.

키워드

참고문헌

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