本文研究转子系统临界转速的实验测定法。
In this paper the experimental methods for determining the critical speeds of rotor systems are investigated.
并对改进后传动轴的临界转速进行了测定分析。
Critical rotary speed of the revamped driving shaft is also measured and analyzed.
研究表明，磁拉力可降低一阶临界转速和临界振幅；
The study shows that the magnetic pull force can decrease both the first critical speed and the critical amplitude.
临界转速是离心压缩机转子系统的主要动力参数之一。
Critical speed is one of the important dynamic parameters of the rotor system in centrifugal compressor.
由此，推导出立轴柱形变螺距螺旋开沟机的临界转速。
Thus, Calculating the critical rotational speed of the helix ditching machine.
在临界转速区，系统响应为周期运动，振幅相应增大。
Within the supercritical speed range, the response of the rotor is periodical motion with the increase of amplitude.
本文针对风机转子进行了固有频率振型和临界转速计算。
Calculations were conducted of the fan rotor natural frequency, vibration modes and critical speeds.
根据应力，建立起选择飞轮直径的应力和临界转速条件。
According to the stresses, established the condition of stress and critical rotational speed for choosing the flywheel diameter.
本文提出用弹性连续体广义初参数法计算转子系统临界转速。
This paper presents the method of broad-sense original parameter of continuous body of elasticity for calculating the critical speed of rotor system.
认为发电机转速达到两倍临界转速附近，轴系发生了油膜振荡。
Thought that the generator rotational speed had achieved nearby two time of critical rotation speeds, the shafting has had the oil film vibration.
因支承刚度对转轴临界转速有影响，故仅介绍支承刚度的计算方法。
Because bearing stiffness have an effect on interface rotation speed, so the original only introduced computational method of bearing stiffness.
在进行大量计算后得到了可供实际使用的各型转子临界转速计算图线。
After a great quantity of calculations the critical speed diagrams are obtained, which can be used in...
在进行大量计算后得到了可供实际使用的各型转子临界转速计算图线。
After a great quantity of calculations the critical speed diagrams are obtained, which can be us...
开发的程序可以计算转子各阶模态振型与临界转速，进行稳定性的分析。
The program can calculate modal shapes and critical speeds, analyze the stability of the rotor system.
根据已知数据计算出该电机的转轴挠度，单边磁拉力及电机的临界转速；
On the data obtained from the measurement and analysis, the shaft's flexibility, one-sided magnetic pull and the critical speed of shaft of the electrical motor are computed.
在超临界转速区，系统响应以混沌、周期分频和拟周期为主要运动形式。
But the main responses are chaotic, periodical and quasi-periodical motions in supercritical speed range.
经优选设计后，电主轴的一阶临界转速和主轴端静刚度均有较大幅度的提高。
The first order critical speed and static stiffness of the spindle increases greatly after optimization.
为了避免转子超越弯曲模态的临界转速，转子轴伸长度应控制在安全范围内。
The shaft extension should be maintained at a safe range in order to avoid critical speed at rotor bending modes.
因此，永磁同步电动机转子-轴承系统临界转速计算是一个典型的机电耦合问题。
Therefore, the calculation of critical speed of anisotropic supporting rotor-bearing system of the PMSM is a typical mechanical and electrical coupling problem.
多级离心泵转子的干临界转速与湿临界转速差别较大，计算值与试验值基本一致。
The "dry" and "wet" critical speeds of multistage centrifugal pump rotor are quite different. The calculated and measured critical speeds are in good agreement.
第七章研究了转子系统降速过程中过临界转速时的减振问题，讨论了其平衡方法。
In chapter seven, the problem of reducing vibration in the speed-down process of a rotor system is noticed and its balancing methods are discussed in detail.
使用该方法计算临界转速，数值稳定性好，计算精度高，容易编制通用计算程序。
The method in this paper has better numerical stability, higher computation precision, and it is easy to develop a general computer program.
采用MATLAB语言编制了对传递矩阵法计算多柔盘转子-支承系统的临界转速；
Secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi-tray rotor bearing system by MATLAB language.
本文还分析了液面破裂时的临界转速，并求得了液面位置与液体体积之间的关系式。
The limiting rotating speed is analyzed and the relation-ship between the location of the interface and the volume of the liquid inside the container is given.
采用振动理论，对立式冲击破碎机转子系统临界转速进行理论分析，并进行了实验验证。
The paper theoretically analyzes the critical speed of the rotor system of a vertical impact crusher by use of the vibration theory, and the analyzed result is verified by experiments.
由于轴的几何形状及支承方式的复杂性，转轴临界转速计算中的许多问题，是困难的问题。
Because of the complexities in geometric forms of the axle and the supporting Patterns, most of the calculations of the critical speed of turning axle are difficult.
并针对立轴系统各结构参数的改变，得到了分离机立轴系统各结构参数对其临界转速的影响。
Through changing the structural parameters of the principal axis system, we can obtain the effect of each parameter on the critical rotational speed.
本文先提出了弯曲刚性临界转速与弯曲挠性临界转速的概念，然后又提出半挠性转子的概念。
In this paper, first, the concepts of the bend-rigid critical speed and bend-flexible critical speed of rotors are presented, and then the concept of a semi-flexible rotor is presented.
临界转速是木工机床设计与制造的一个主要参数，为确定木工机床主轴刚度、主轴转速的依据。
Critical rotating speed, a basis for determining the rigidity and rotating speed of the main axle, is an important parameter in the design and manufacture of woodwork machine tool.
临界转速是木工机床设计与制造的一个主要参数，为确定木工机床主轴刚度、主轴转速的依据。
Critical rotating speed, a basis for determining the rigidity and rotating speed of the main axle, is an important parameter in the design and manufacture of woodwork machine tool.
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