Study of Monorail Transit Emergency Beam's Bearing and Superelevation and Error Analysis of Track Beam Production Formwork 单轨交通应急梁支座与超高研究以及轨道梁生产用模板误差分析
1/ 4 However, you will see when I reach the quarter-inch ball bearing that it goes so fast that my error could well be2/ 10 of a second. 但是,当到,英尺的滚珠时,速度太快,误差可能达到0。2秒。
Supramolecular Template-Controlled Synthesis of Well-defined Ladder Organic Polysioxane; Study of Monorail Transit Emergency Beam's Bearing and Superelevation and Error Analysis of Track Beam Production Formwork 超分子模板调控合成高规整度有机桥基梯形聚硅氧烷单轨交通应急梁支座与超高研究以及轨道梁生产用模板误差分析
The bearing experiment of sound source is done with the set of experiment device in semianechoic room, the relation between bearing precision and all kinds of error factor is discussed. 在半消声室中应用这套实验装置对声源进行了定向研究,并探讨了各种误差因素与定向精度的关系。
It is proved that this method is effective for predicating the wear status of sliding bearing by the residual error analysis of the obtained computation results. 对预测结果进行残差分析证明,该方法效果较为理想。
Based on the random field theory, the authors deduced the statistic features of the parameters, fi and Psb, to determine the vertical bearing capacity of pile by using the error propagation theory, and obtained the theoretical formula accordingly. 结合随机场理论和误差传递原理求得了利用CPT确定桩基竖向抗压承载力统计特性的理论公式。
Influence on bearing load of ring-plate-typed pin-cycloidal epicyclic drive affect by machining error 加工误差对环板式针摆行星传动轴承载荷影响
Relativity Investigation of Miniature Bearing Vibration with Technical Error and Lubrication 微型轴承振动与工艺误差和润滑的相关性研究
The Application of Wavelet Packet Analysis on Bearing Inner-Circle Error Seperation 小波包分析在轴承内圈误差分离中的应用
First, the basic theory of static load sharing mechanism has been presented, mainly including manufacturing and assembly error of each gear component's axis and each bearing's axis, gear size ( tooth thickness) errors, simultaneous error of middle two-tooth. 确定了影响齿轮系统均载特性的制造和安装误差,主要包括:各个齿轮构件的中心轴线制造和安装误差、轴承中心轴线的制造和安装误差、齿厚偏差、双联星轮同时啮合线误差;
What is tested by trial in this paper is using the discontinuity of thrust bearing shoe and then limiting the error action of protection by making characteristic quantities to restrict with each other. 本文尝试用油温的突变量来描述推力瓦的故障过程,并且用多种特征量相互制约来限制保护误动。
Numerical methods for calculating pressure distribution in gas bearing& nonlinear finite element method and its error analysis for solving Reynolds equation 气体轴承压力的数值计算&求解Reynolds方程的非线性有限元及其误差分析
In order to evaluate the measurement uncertainty, the rotary precision of air bearing was tested and the error curve of the spindle was obtained with the least square roundness error of about 48 nm. 为了评价系统的测量不确定度,进行了气浮轴系回转精度测试,确定了回转轴系的误差曲线,其最小二乘圆度误差为48nm;
New formula of ultimate bearing capacity with small error for pile with rammed and enlarged base 一种新的夯扩灌注桩单桩竖向极限承载力公式
The system error caused by the radius of the probe in the four point touch measurement of the groove profile of ball bearing race is analyzed theoretically. A method for error correction and a data processing program for a microcomputer are presented. 以四点接触球轴承沟道轮廓测量为例,对接触测量中测头半径引入的系统误差进行了理论分析,给出修正误差的方法及微机处理数据的程序。
In order to improve the drift precision of an orifice compensated hybrid gas spherical bearing, causes of gas-lubricated disturbing torques ( error torques) were analyzed and a mathematic model was introduced. 为提高小孔节流动静压混合气体润滑球轴承的漂移精度,分析了气体干扰力矩(误差力矩)的成因,在一定假设条件下,建立了干扰力矩的数学模型;
According to the feature of structure and function of bisected five tiles dynamic and static pressure liquid sliding bearing, the article analyzed geometry relation of all elements of the bearing, illustrated the technology error of traditional examination of radial work gap. 根据五瓦对开式动静压液体滑动轴承的结构和功能特点,对轴承各要素的几何关系进行分析,阐明传统法检测径向工作间隙的工艺误差。
The basic principle of the rolling bearing error measuring is described, and a measuring system is designed and developed, This system applies a kind of high-precision differential magnetic core induction sensor for distance measurement, the decomposition and reconstruction technique of wavelet packet. 阐述了滚动轴承误差检测的基本理论,并设计开发了一种检测系统,该系统采用了高精度差动式磁芯型电感位移传感器和小波包分解与重构技术。
Distributing Rolling Bearing Error Measuring System 分布式滚动轴承误差检测系统
Acoustic source location by acoustic vector-sensor and its bearing error 矢量水听器的源定向理论及其定向误差分析
Influences of involute contact ratio, bearing stiffness, mesh damping and bearing damping on the dynamic transmission error and vibration stability of the gear system are investigated using digital simulation technique. 用数值仿真方法,研究了重合度、支承刚度、啮合阻尼和支承阻尼对齿轮动态传递误差和动力稳定性的影响。
As manufacturing errors, the geometric form error and the bearing alignment error are considered in the calculation and theoretical analysis. 所考虑的制造误差为典型的几何形状误差和位置误差。
With the using of scalar product, the criteria has good property of bearing error and can get higher precision of fault line selection. 判据采用做内积的方法,在对含有误差的信号进行处理时具有良好的容错性,因而能够获得更高的选线精度。
Bearing-error of Test Piece and its Computer Analysis 应变片贴片方位误差及计算机辅助分析
Parallel robot has strong bearing capacity, small accumulated error, fast dynamic response and other advantages, so it gradually becomes one of the research focus. 并联机器人因其具有承载能力强、积累误差小、动态响应快等优点,逐渐成为目前国内外研究的热点之一。
Self-aligning ball bearing using the error caused, can compensate concentricity and deflection. 轴承采用的调心球轴承,能够补偿不同心度和轴挠度造成的误差。
Oilless bearing is an important industrial parts, and the roundness error of itsinternal& external surface will directly affect its performance of some aspects, such as: self-lubricating ability, working stability, service life and so on. 无油轴承作为一种重要的工业零件,其内外表面圆度误差的大小会直接影响其自润滑效果、工作平稳性、使用寿命等各方面性能。
Considering the internal excitations such as the time-varying meshing stiffness, bearing stiffness and the meshing error, a dynamic model is built by using lumped-parameter method. ⑤ Dynamic characteristics of gear transmission system are studied. 在考虑齿轮副时变啮合刚度、轴承刚度和啮合误差等内部激励的基础上,采用集中质量法建立了传动系统的动力学模型;⑤分析了传动系统的动态响应特性。
Compared with serial mechanism, parallel mechanism has high resolution position, high rigidity, strong bearing capacity, tight configuration, small error and other advantages, to make up for the lack of serial mechanism in industrial applications. 并联机构相比于串联机构具有定位精度高、刚度大、承载能力强、结构紧凑、误差小的优点,弥补了串联机构在工业应用中的不足。