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optimum damping coefficient
相关语句
  最优阻尼系数
     The optimum damping coefficient of the three-element Maxwell damper increases when the inherent stiffness of the damper increases,but decreases when the flexibility of the supporter increases.
     阻尼器的最优阻尼系数随阻尼器内刚度的增大而增大,但随支架柔度的增大而减小.
短句来源
  “optimum damping coefficient”译为未确定词的双语例句
     In order to adapt to the constructional features of the hydro pneumatic spring,the necessity of separate damping valve is proposed. Based on the 1/4 vehicle linear suspension model,the optimum damping coefficient is worked out and the parameters of the damping valve are determined with the(equivalent) linearization method.
     根据油气弹簧的结构特点,基于1/4车辆悬挂线性模型,给出了求取悬挂最优线性阻尼的方法,并应用等效线性化方法,确定阻尼阀的结构参数.
短句来源
  相似匹配句对
     The Optimum Treatment Position of FIlm-damping Structure
     薄膜阻尼结构的处理位置优化
短句来源
     Optimum Design on the Damping Mechanism of the Pantograph Frame
     受电弓框架阻尼机构最优化设计
短句来源
     Damping Rubber
     阻尼橡胶
短句来源
     DAMPING ALLOYS
     减振合金
短句来源
     optimum of quality;
     ③生产质量最佳化;
短句来源
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  optimum damping coefficient
Based on a 1/4 vehicle linear suspension model, the optimum damping coefficient is worked out and the parameters of the damping valve are determined with the equivalent linearization method.
      


Conducts a series of experiments of the spindle system of CA6140 lathe with intermediate oil film bearing.The optimum damping coefficient of the added oil film bearing is obtained by testing and computing.Experimental results denote that the resonance frequency increases by 11Hz, the resonance amplitude of the spindle end decreases by 48% and the limiting cutting width increases by 40%. The added oil film bearing improves significantely the dynamic characteristics and vibration resistance of the spindle...

Conducts a series of experiments of the spindle system of CA6140 lathe with intermediate oil film bearing.The optimum damping coefficient of the added oil film bearing is obtained by testing and computing.Experimental results denote that the resonance frequency increases by 11Hz, the resonance amplitude of the spindle end decreases by 48% and the limiting cutting width increases by 40%. The added oil film bearing improves significantely the dynamic characteristics and vibration resistance of the spindle system yet it is reliable, simple, inexpensive and easy to assemble.

本文对机床主轴系统采用油膜辅助支承进行了试验研究,通过试验及计算机模拟计算,确定出油膜辅助支承最优阻尼系数。将CA6140型车床主轴系统的中间滚动支承更换为油膜辅助支承后,其共振频率提高11Hz,轴端共振振幅降低48%,极限切削宽度提高40%。油膜辅助支承具有结构简单、成本低、工作可靠、安装方便等优点,可使主轴系统的动态性能及切削抗振性得到显著提高,对其回转精度及其它性能均有较好效果。

A single dimension simulation is conducted to study a liquid-film-damping(LED) system for precision boring. The optimum damping coefficient can minimize the amplitute of the system response. The reliability analysis of the damper has found the key factor which affects the work reliability and its solution. The study has important theoritical value and practical significance in precision boring of the LED technology.

对精镗孔液膜阻尼系统进行单自由度仿真分析,得出阻尼器的最优阻尼系数响应振幅达到最小值.并对最优参数阻尼器的工作可靠性进行分析,找出影响阻尼器工作可靠性的关键因素及解决方案.有利于液膜阻尼技术在精密孔加工中的推广应用,具有很重要的理论价值和实际意义.

A dynamic model for a four-axle power car was established and analyzed by using software SIMPACK and the nonlinear response analysis in time domain with random track irregularity to improve its dynamic performances. The numerical results show that the optimum damping coefficients of the secondary lateral damper, the primary and secondary vertical dampers are often certain for this kind of power cars, but the effect of the change in unloading force on the riding quality can be reduced by increasing unloading...

A dynamic model for a four-axle power car was established and analyzed by using software SIMPACK and the nonlinear response analysis in time domain with random track irregularity to improve its dynamic performances. The numerical results show that the optimum damping coefficients of the secondary lateral damper, the primary and secondary vertical dampers are often certain for this kind of power cars, but the effect of the change in unloading force on the riding quality can be reduced by increasing unloading velocity to ensure its riding quality. For a four-axle power car with secondary big deflection helical springs, it is important that the secondary lateral stop clearance matches well with the secondary lateral damping characteristic to obtain a good dynamic curve negotiating performance.

为了进一步改善动力车的动力学性能,利用多刚体动力学软件SIMPACK,采用轨道随机不平顺非线性时域响应分析方法,对完整的2B0动力车动力学模型进行了计算分析.结果表明:2B0动力车二系横向减振器和一系、二系垂向减振器的最优阻尼值通常是一定的,但是通过增大卸荷速度可以降低平稳性对卸荷阻力改变的敏感程度,从而保证使用中动力车平稳性能的稳定.对于采用二系高挠螺旋弹簧的动力车,二系横向止挡间隙与二系横向减振器阻力特性的合理匹配是获得良好的动态曲线通过性能的一个重要因素.

 
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