자동차 파워트레인용 경량 알루미늄 구동축의 동적 진동설계
A Study on Dynamic Vibration Design of Lightweight Aluminum Drive Shaft for Automotive Powertrain
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초록
In this study, we changed the existing S45C steel shafts applied to the drive shaft for power train of automotive to Al7003-T6 aluminum material. For this purpose, the optimal inner diameter of the aluminium shaft is established. And, analysis of the stresses and vibration characteristics of shafts were analyzed through finite element analysis. The final aluminum drive shaft was evaluated through the static torsional torque test and the frequency test. The Al7003-T6 aluminum drive shaft's weight is 67% comparing from 100% of shaft with existing steel, and with the performance of 3,276 N-m and 236 Hz, it satisfies requirements of the torsional torque of 3,000 N-m and vibration characteristic over 150 Hz required for drive shaft.
Abstract
In this study, we changed the existing S45C steel shafts applied to the drive shaft for power train of automotive to Al7003-T6 aluminum material. For this purpose, the optimal inner diameter of the aluminium shaft is established. And, analysis of the stresses and vibration characteristics of shafts were analyzed through finite element analysis. The final aluminum drive shaft was evaluated through the static torsional torque test and the frequency test. The Al7003-T6 aluminum drive shaft's weight is 67% comparing from 100% of shaft with existing steel, and with the performance of 3,276 N-m and 236 Hz, it satisfies requirements of the torsional torque of 3,000 N-m and vibration characteristic over 150 Hz required for drive shaft.
참고문헌 (3)
- H. S. Kim, "Design of the Hybrid Propeller shaft using Composite Materials", Appled Mechanics and Materials, 284(287), pp.687~691 (2013)
- 이규성, "재료특성을 고려한 자동차 시트프레임의 변형량 및 응력해석에 관한 연구", 한국기계기술학회지, 18(2), pp.200~207 (2016), 한국기계기술학회
- 유충준, "구동축에 의한 차량의 구조음장 해석에 관한 연구", 한국기계기술학회지, 15(6), pp.999~1006 (2013), 한국기계기술학회