轴系

Thirdly , in the light of the demands ' that the large - scale photoelectric tracking and sighting equipment now available ask for fsm and the specific demands of the fast - steering mirror , designs a set of shaftless rapid controlling reflector system which impels manufacturing enterprises to bourgeon a suit of new productive processing method which differentiate completely from that of the axiferous fast - steering mirror system

由现有大型光电跟踪、瞄准设备对fsm的要求，结合对快速控制反射镜结构的具体要求，自行设计了一套完全区别于有轴系支承的新的生产加工工艺的柔性轴快速控制反射镜系统。

To improve accuracy of detection of current direction, components of magnetizing current and torque current are transformed into two-phase stationary frame. Therefore compensating voltage vector can be decided according to the sector the current vector is locating.

为了提高电流极性检测的准确性，利用旋转轴系中的励磁电流和转矩电流分量经过坐标反变换，判断电流在两相静止轴系所处的扇区来决定需要施加的补偿电压。

combining the mass unbalanced response calculation method with the dyna mic balance method of the flexible rotors on the spot and based on the 1st and 2nd order mass unbalanced models, an influence coefficients method for mass unba lanced response calculation is presented.

摘 要 将目前发电机组轴系质量不平衡响应计算方法和柔性转子现场动平衡方法相结合，在给出转子一阶、二阶质量不平衡模型基础上，提出了计算轴系不平衡响应的影响系数法。

In this paper, five kinds of two dimensional finite element models are developed,and an analysis of a fixed pad bridge bearing load cell in large turbine generator sets is made.

引 言在大型汽轮发电机组中，若干个转子联结成一个轴系，轴系中 1 0个左右不同类型的轴承共同支承着转子系统的各种载荷。固定瓦轴承就是其中的一种。

For achieving large-scale space photoelectric tracking, the axis error of the new three-axis gimbal with collimation axis eccentricity was studied.

摘要本文分析了实现大范围空间光电跟踪的视轴偏心三轴跟踪机架的轴系误差。

All the actuators of the three-axis turntable are brushless torque motors, all the bearings are aerostatic air bearings, so the friction caused by these elements can be neglected. The main source of friction is the metal-to-metal friction on the slip rings. Hence the "Columb+Viscous+Static" friction model is used here for analysis.

由于三轴转台的驱动系统选用的是无刷电机，轴承则采用的是气浮轴承，轴系上的摩擦力已大大降低，三轴转台上的摩擦主要是滑环轴上金属对金属的摩擦，所以文中选用&库仑＋粘滞＋静摩擦&的摩擦模型来进行分析。

The axial fixed position preload is applied to middle ring of the shaft,the axial rigidity of the angular contact ball bearing is obtained by the impulse excitation tests.

对转台中环主轴施加轴向定位预紧力，通过脉冲激励法试验得到角接触球轴承的轴向刚度，试验结果与理论结果吻合较好，为转台研制中各轴系预紧量的控制提供了理论和实验依据。

Because the support position of bearing has great effect to the frequency of coupled vibration of shafting, this paper researches the dynamic alignment problems of shafting at first so as to determine the support position of bearing rationally, especially the position of stern tube bearing.

由于轴承的支承点位置对轴系的耦合振动频率影响很大，所以本文首先研究了轴系的动态校中问题，以合理确定轴承特别是艉管轴承的支承点。

The calculating results of the dynamic alignment of shafting and the lubricating properties of marine stern tube bearing and the coupled vibration of shafting are identical with the results of experiments and practical inspection, which shows the correctness of the models and algorithms researched by this paper.

轴系动态校中计算、艉管轴承润滑特性计算和轴系耦合振动计算结果与实验或实测的结果基本一致，从而说明本文所研究的模型和算法的正确性。

A procedure for alignment of the shaft and forward stern tube seal without affecting the M/E alignment is developed,and the leakage at the stern tube seal is eliminated.

根据测量&嘉升&轮左艉轴在不同轴承布置状况下的运行，相应进行了四阶振动测量和滚振计算，发现在不影响主机对中的情况下，可以得到一个轴系校中和前艉轴封校中的方法，从而解决了艉轴封的漏油问题。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。