Journal of the Korean Society of Mechanical Technology (한국기계기술학회지)

Korean Society of Mechanical Technology (한국기계기술학회)
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A Study on the Structural Analysis of Electric Vehicle Rotor Shaft for Light-Weight

경량화를 위한 전기자동차 로터 샤프트의 구조해석에 관한 연구

  • Lee, Byung-Ho (LSK Co., Ltd.) ;
  • Lee, Chang-Ryeol (Automotive Engineering, Graduate School, Gyeongnam National University of Science and Technology) ;
  • Jeong, Young-Jae (Automotive Engineering, Graduate School, Gyeongnam National University of Science and Technology) ;
  • Kim, Bong-Hwan (Gyeongnam National University of Science and Technology)
  • Received : 2018.01.04
  • Accepted : 2018.02.06
  • Published : 2018.04.30
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Abstract

A study has been conducted on the structural analysis to reduce the light weight of the electric vehicle rotor shaft. ANSYS Static Structural was used for structural analysis. For weight reduction, the solid shaft was converted into a hollow shaft. The yield strength of the existing material SCM 440 is 655MPa, but to increase its safety, the yield strength is changed to 1,030MPa with SCM822H. At this time, weight reduction of about 47% was achieved. The resonance frequency of the rotor shaft was determined by vibration analysis and the structural safety was analyzed.

Keywords

References

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