Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Design of a Composite Propeller Shaft with the Reduced Weights and Improved NVH

경량화 및 NVH 향상을 위한 복합재료 프로펠러 축의 설계

  • Yoon, Hyung-Seok (Hyundai Motor Commercial Vehicle R&D Center) ;
  • Kim, Cheol (Department of Mechanical Engineering, Kyungpook National University) ;
  • Moon, Myung-Soo (Graduate School of Kyungpook National University) ;
  • Oh, Sang-Yeob (Hyundai Motor Commercial Vehicle R&D Center)
  • 윤형석 (현대자동차 상용연구소) ;
  • 김철 (경북대학교 기계공학과) ;
  • 문명수 (경북대학교 대학원) ;
  • 오상엽 (현대자동차 상용연구소)
  • Published : 2003.01.01
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Abstract

The front 2 pieces of the 3-piece steel propeller shaft installed on a 8.5-ton truck were redesigned with a 1 -piece composite propeller shaft with steel yokes and spline parts to get the reduction of weight and the improvement of NVH characteristics. Based on the analysis of bending vibration, strength and cure-induced residual stresses of the composite propeller shaft, proper composite materials and stacking sequences were selected. The composite propeller shaft requires a reliable joining method between the shaft and steel end parts through a steel connector. From 3-D contact stress analyses of the laminated composite shaft with bolted Joints, the 3-row mechanical joint which satisfies the torque transmission capability has been designed. Several full-scale composite shafts were fabricated and tested to verify the design analyses. The design requirements are shown to be satisfied. With the newly designed composite shaft, the weight reduction more than 50% and improvements in NVH characteristics have been achieved.

Keywords

References

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