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RISS 인기검색어
- 검색키워드
- 저자 : Teik Chin Lim (검색결과 2 건)
- 무료
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EFFECT OF SHAFT MISALIGNMENT ON HYPOID GEAR PAIR DRIVEN THROUGH A UNIVERSAL JOINT
Zhenghong Shi,Teik Chin Lim 한국자동차공학회 2020 International journal of automotive technology Vol.21 No.2
An enhanced hypoid geared rotor system model incorporating a universal joint that connects driveline propeller shaft and pinion shaft is introduced in this study. The effect of shaft misalignment and pinion mass unbalance on hypoid gear dynamic response is evaluated under different assembly conditions. A nonlinear 14-DOF lumped parameter model based on coupled multi-body dynamics is applied by considering large rotational displacement in torsional direction. Results demonstrate three main influences from shaft misalignment and mass unbalance including speed and torque fluctuation as well as external bending moment on pinion shaft. It is also observed that bending moment generated can exert additional load on pinion shaft bearings which is found to be more sensitive to misalignment angle compared to dynamic response along lineof- action. Besides, shaft misalignment and mass unbalance excitation will interact with gear internal excitation from transmission error (TE) which can affect mesh parameters.
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Fei Ren,Datong Qin,Teik Chin Lim,류성기 한국정밀공학회 2014 International Journal of Precision Engineering and Vol. No.
In this paper, a new and generalized dynamic model for a herringbone planetary gear train (HPGT) is proposed to investigate thefree and forced vibration characteristics, as well as load sharing characteristics by employing the lumped-parameter approach. Theproposed model takes into account manufacturing eccentric errors of the components and tooth profile errors of all gears. The modelcan be used for the vibration performance and dynamic load sharing analysis of the HPGT with different types of manufacturingerrors and arbitrary number of planets. The free and forced vibration, as well as the load sharing of an HPGT with three planetsare numerically computed with the model presented, and these are analyzed respectively in time domain and frequency domain. Theeffects of the manufacturing eccentric error and tooth profile error as well as component float on load sharing are discussedrespectively. Results indicate that manufacturing errors have an impact on dynamic characteristics and load sharing. The float cansignificantly reduce the load sharing coefficient of the system.
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