Lead error would be occurred during process thread by NC lathe.
用数控车床加工精密螺纹时,在开始段和结束段会出现导程误差。
This paper introduces a on line working status monitoring and assistant failure diagnose system of ball screw grinding machine using ball screw lead error data which be acquired just after the ball screw is grinded on the machine.
本文所研究的内容是汉江机床厂滚珠丝杠磨床改造项目的一部分，介绍了一种利用在线测量获得的滚珠丝杠导程误差对丝杠磨床进行在线工况监测和诊断的方法。
On the one hand,it is caused by the improperly-prepared operators before the machining;on the other hand,it is caused by the complex curve programming error.
究其原因:一方面是由于操作人员加工前的操作准备不当,另一方面是由于复杂曲线轮廓编程误差所致。
The paper analzes the reason which causes programming error in numerical control manufacture, and introduces what can reduce programming error.
分析了数控加工过程中编程误差的形成并提出减小编程误差的一些措施 ,采用这些措施方可提高数控加工零件的精
By mastering the rules that how the machining system including technique, installation error, tool error and programming error influences the contour deviation of the cam, can minimize the machining error effectively and provide scientific proof to improve the machining precision and quality of the globoidal cam.
因此,迫切需要对弧面分度凸轮的加工误差进行全面深入研究,通过掌握加工系统包括工艺方法、工装误差、刀具误差、编程误差等因素对凸轮廓面误差的影响规律,可为有效抑制和消减加工误差,提高弧面分度凸轮的加工精度和加工质量提供科学依据。
The error equation of a real reduction-to-the-pole algo-rithm under this theory shows that oscillation and distortion which get more severetoward lower latitude in reduction-to-the-pole in low latitude area result from thelimitation of existing algor.
以这一理论分析化极问题所得到的化极算法误差方程告诉人们，低纬区化极中随纬度降低而加剧的振荡和畸变问题，既非位函数本身所固有，亦非傅里叶变换之必然，乃是现有傅里叶变换数值计算方法的局限性所致。
Parameter adjustment,which has many advantages such as the strong rule of error equation which is very convenient for programming and assessing precision,the choiced parameters are just the achievement after adjustment and so on,is used extensively in survey adjustment.
间接平差以误差方程规律性强、便于用计算机编程解算、精度评定方便、所选参数往往就是平差后所需要的成果等优点在测量平差中得到了广泛的应用。
The paper mainly research on the error equation of its in-motion,and analysing them.
主要研究了其在动基座条件下的误差方程,进行了误差方程的分析,并用广义卡尔曼滤波方法进行了动基座条件下MEMS惯性测量组件的对准研究。
A new method is proposed by which the lifting error of cylindrical cam can be contacting measured on the universal tool maker's microscope by means of accessories such as home made probe and so on.
提出一种在万能工具显微镜上利用自制测头等附件对圆柱凸轮升程误差进行接触法测量的新方法 ,介绍了测量原理及实现方法 ,分析了该方法的测量精度 ,并通过测量实例验证了该方法的可靠性和实用
A cam lifting error measuring method has been put forward based on tertiary sample functional combinations.
在凸轮升程误差设计要求与测量评定要求的基础上 ,提出了凸轮升程误差的二义性 ;进而分析现有圆柱凸轮升程误差的几种测量评定方法的优、缺点 ,提出基于三次样条函数拟合的凸轮升程误差评定方法。
Problems in Spectral Analysis of Ball-Screw Travel Error
滚珠丝杠导程误差频谱分析中的几个问题
The Development of Dynamic Measuring Instrument for Checking Lead Errors of Ball Screws of Steering Mechanism
转向器滚珠丝杆导程误差动态检测仪的研究
Spectral Analysis and Theorectical Analysis for Lead Deviations of Ball Screw
滚珠丝杠副导程误差的谱分析与理论分析
Microcomputer-Based On-line Regression Analysis and Power Spectrum Analysis of Ball Screw Travel Deviation
滚珠丝杆副导程误差的微型机在线回归分析与频谱分析
Study on Dynamic Measuring Instrument for Checking Lead Errors of Ball Screws And the System Errors Correction
滚珠丝杆导程谩差动态检测仪及其系统误差修正研究
extension lead error(of thermocouple)
（热电偶的）延长导线误差
According to the error equation of INS, the influence of gravity disturbance is analyzed.
由惯导系统的误差方程分析了扰动重力场的影响。
Numerical Algorithms for One Class of Nonlinear Heat Conduction Equation and Optimal L~2 and H~1 Error Estimates
一类非线性热传导方程的数值算法及最优L~2和H~1误差估计
Forecast Model and Error Analysis of the Line-of-Sight Angular Speed of Short Range Missiles
近程导弹瞄准线转动角速度预测模型及误差分析
relative tolerance between forward and backward in indicating value
示值进回程相对误差
an unacceptable level of inaccuracy
误差达无法容许的程度.
These are the types of errors caused by human error or fraud.
这些是由人为误差或者故意导致的误差类型。
Errors in the inventory results may lead to erroneous subsequent decisions.
清查结果中的误差可能导致之后错误的决定。
Errors in the inventory results may lead to erroneous subsequent dicisions.
清查结果中的误差可能导致错误的决定。
Elevation Error Propagation in Linear Modeling on DEM
DEM线性建模过程中的高程误差传播
An Analyse of Error in Revense Engineering Based on GRIP
一种基于GRIP编程的反求工程误差分析
In a traverse there is no accumulation of scale error.
导线中没有尺度误差积累。
ESTIMATION OF MAXIMUM AIM ERROR FOR ANTISHIP MISSILE FIRE CONTROL SYSTEMS
反舰导弹火控系统最大瞄准误差估计