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曲轴-轴承系统
相关语句
  crankshaft-bearing system
     Coupling Researches on Tribological and Dynamical Behaviors of the Crankshaft-Bearing System of Internal Combustion Engines
     内燃机曲轴-轴承系统摩擦学动力学耦合研究
短句来源
     Therefore, in order to make crankshaft design more reasonable and close to the factual condition, the crankshaft-bearing system should be taken as the study object when calculating crankshaft strength, and the loads on crankshaft journal should be calculated by factual lubrication analysis of bearing.
     因此为使曲轴设计更加合理、更接近实际,曲轴强度计算时应取曲轴-轴承系统为研究对象,根据轴承润滑分析实际计算结果,确定作用在曲轴轴颈上的载荷分布。
短句来源
  “曲轴-轴承系统”译为未确定词的双语例句
     At the beginning of this dissertation, the present status of dynamical calculation of crankshaft, tribological analysis of ICE journal bearing, fatigue strength calculation and their coupling research are reviewed.
     分析了曲轴-轴承系统动力学摩擦学刚度和强度耦合问题的特点,根据它们之间耦合强弱,提出了先解决曲轴-轴承系统动力学、摩擦学和刚度耦合问题,再解决曲轴疲劳强度计算问题的解耦方法。
短句来源
     Strong coupling relation exists among dynamics tribology and stiffness for the system and weak coupling appears between strength and the other three.
     认识到内燃机曲轴-轴承系统动力学、摩擦学、刚度和强度耦合问题的复杂性和普遍性,本文首先分析一般的直轴-轴承系统动力学、摩擦学、刚度和强度耦合问题,以探索解耦方法。
短句来源
     Crankshaft bearing system is one of the most important components in Internal Combustion Engines (ICE). The performances of the crankshaft bearing system not only have direct effect on the reliability and durability of the engine, but also restrict the development of the engine potentiality.
     内燃机曲轴-轴承系统是内燃机的关键部件,其摩擦学、动力学性能不仅直接影响到内燃机工作的可靠性和耐久性,还限制了内燃机潜力的发挥。
短句来源
     Therefore, to study the behaviors of the crankshaft bearing system coupling bearing tribology with crankshaft dynamics is very important both in theoretical and practical sense.
     因此,进行曲轴-轴承系统摩擦学和动力学的耦合研究、提高曲轴-轴承系统理论分析的准确性,具有重要的理论意义和现实的应用价值。
短句来源
     The analysis on dynamics, tribology, stiffness and strength for the crankshaft bearing system has to be done when engineers design an IC engine.
     然而,长期以来,由于曲轴-轴承系统特殊的结构形式和复杂的受力状况,理论研究难度较大,其摩擦学性能、动力学行为的分析和强度刚度计算是在各自独立的领域里分别进行的。
短句来源
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  相似匹配句对
     CAPP system for crankshaft
     曲轴CAPP系统
短句来源
     The State Monitoring System for Crankshaft and Bearing of the Diaphragm Pump
     隔膜泵曲轴轴承状态监测系统
短句来源
     Coupling Researches on Tribological and Dynamical Behaviors of the Crankshaft-Bearing System of Internal Combustion Engines
     内燃机曲轴-轴承系统摩擦学动力学耦合研究
短句来源
     Coupling Research on Tribology, Stiffness and Strength of Crankshaft-bearing System
     曲轴轴承系统摩擦学、刚度和强度的耦合研究
短句来源
     Dynamics of Bearing-Rotor System
     轴承—转子系统动力学
短句来源
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In order to analyze the influence of given film pressure distribution of bearing used generally as load acted on journal in present calculation of crankshaft strength on the calculating precision, on the basis of lubrication analysis of bearing considering crankshaft deformation, the stress and strength of crankshaft are calculated when gained film pressure distribution status of bearing is used as boundary condition of load. The crankshaft deformation and bearing load are calculated by whole crankshaft beam-element...

In order to analyze the influence of given film pressure distribution of bearing used generally as load acted on journal in present calculation of crankshaft strength on the calculating precision, on the basis of lubrication analysis of bearing considering crankshaft deformation, the stress and strength of crankshaft are calculated when gained film pressure distribution status of bearing is used as boundary condition of load. The crankshaft deformation and bearing load are calculated by whole crankshaft beam-element method. The lubrication of crankshaft bearing is analyzed by kinetics method. The crankshaft stress is calculated by finite element method. The results show that when the effect of crankshaft deformation under load is considered, the offset distribution of film pressure of bearing appears and the maximum film pressure increases remarkably, which result in the stresses of local area on surface of journal circular bead of crankshaft increase obviously and the safety factor of crankshaft decreases. Therefore, in order to make crankshaft design more reasonable and close to the factual condition, the crankshaft-bearing system should be taken as the study object when calculating crankshaft strength, and the loads on crankshaft journal should be calculated by factual lubrication analysis of bearing.

在计及曲轴变形的轴承润滑分析的基础上,应用得到的轴承油膜压力分布作为载荷边界条件计算曲轴应力和强度,以分析目前曲轴强度计算中作用在轴颈上的载荷普遍采用假设的轴承油膜压力分布形式对结果精度的影响。计算中采用整体曲轴梁单元法计算曲轴变形和轴承负荷,采用动力学法进行曲轴轴承的润滑分析,应用有限元法计算曲轴应力。结果表明,计及曲轴受载变形的影响时,轴承油膜压力产生偏布且最大油膜压力明显增加,导致曲轴轴颈过渡圆角表面局部区域的应力数值明显增大,曲轴安全系数减小。因此为使曲轴设计更加合理、更接近实际,曲轴强度计算时应取曲轴-轴承系统为研究对象,根据轴承润滑分析实际计算结果,确定作用在曲轴轴颈上的载荷分布。

 
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