1) evaluating roundness error
圆度误差评定
1.
A new technology to delete sample datum in the process of evaluating roundness error;
圆度误差评定中的一种新的删点技术
2) cylindricity error evaluation
圆柱度误差评定
1.
According to the characteristics of cylindricity error evaluation, the computation methods of objective functions' mathematic model is established when adopting Minimum Zone Cylinder (MZC), The Least square Cylinder (LSC), Minimum Circumscribed Cylinder (MCC) and Maximum Inscribed Cylinder (MIC) to evaluate cylindricity error in Matlab.
针对圆柱度误差评定的特点,建立了用M atlab实现圆柱度误差最小区域法、最小外接圆柱法和最大内接圆柱法评定时目标函数数学模型的计算方法。
3) Roundness error
圆度误差
1.
Research on the Distribution of the Fitting Nodes for Roundness Error Based on CMM;
基于坐标测量机的圆度误差采样点分布研究
2.
Research on the measurement of roundness error with least fitting nodes;
具有最少采样点的圆度误差测量研究
3.
Fast-accurate algorithm based on roundness error and its realization by software;
基于圆度误差评定的快速精确算法及软件设计研究
4) Circularity error
圆度误差
1.
Circularity error evaluation based on improved genetic algorithm;
基于改进遗传算法的圆度误差评定
2.
Application of BP neural network for measurement of twist-drill circularity errors
BP神经网络在麻花钻圆度误差检测中的应用研究
3.
In this paper,the data processing method for evaluating the circularity error with minimal territory roundness is introduced.
针对在用计算机实现圆度测量的过程中,首先要解决的就是评定方法的算法,介绍了按最小区域法评定圆度误差的一种快速、简便、易于微机实现的数据处理方法,并给出了用C语言实现其算法后的结果。
5) Roundness
[英]['raundnis] [美]['raʊndnɪs]
圆度误差
1.
The principles and characteristics of the roundness measurements at the present time are introduced.
介绍了目前的圆度误差检测方法的原理和特点,着重讨论了近年来出现的新型圆度误差检测手段,最后展望了圆度误差检测方法的发展趋势。
2.
To accomplish the task of measuring the roundness of the large dimension andheavy workpieces, an overall design project of measuring large dimension bearing ringhas been developed, by using modular overall structure.
轴承环的圆度误差是非常重要的形状参数，影响着光电经纬仪轴系的径向精度与角晃动。
3.
Using CCD and computer to collecting image measuring roundness and cylindricity error by automation and non-touching.
因此,研究开发性能价格比高、精确度也比较高的圆度误差、圆柱度误差测量技术已成为当务之急。
6) Error evaluation
误差评定
1.
After signal processing and error evaluation ,the horizontal and vertical straightness errors as well as the straightness error of bore can be measured simultaneously.
为了实现炮管直线度的高精度测量,提出基于激光准直技术和光电探测技术的测量方法,解决了光学系统设计及传感器的精密定位问题,给出了软硬件解决方案,实现了水平和竖直方向直线度的同时测量,同时显示,经直线度误差评定,得出炮管直线度的误差值；经实测,该设备的分辨率可达0。
2.
This paper analyses the theory and application of cylindricity error evaluation, establishes a kind of programming model for evaluation of cylindricity error, and discusses the minimum conditions criterion.
对圆柱度误差评定理论及应用进行了研究,建立了圆柱度误差评定的规划模型,探讨了误差评定的最小条件判据,提出直接求解规划模型的修正单纯形法,并给出了求解的步骤。
3.
Solutions to heart-shaped loop including the solution to minimal circumscribed heart-shaped loop, maximal inscribed heart-shaped loop and minimal zone heart-shaped loop and the error evaluations of non-perimeters were suggested in detail.
详细介绍了心形线边界的求法 (包括最小外接心形线求法、最大内切心形线求法和最小区域心形线求法等 3种方法 )以及进行不圆度误差评定的方法。
补充资料：不圆度
不圆度
ovality
buyuandu不圆度(。vality)圆形金属材(包括棒、线、管等)横断面上最大与最小直径的差值，曾称作椭圆度。在产品标准上都规定有不圆度的允许偏差，一般约为直径正负偏差之和的。.5倍，圆管坯为直径公差的。.75一0.8倍，盘条直径则规定有绝对值0.24~0.6omm。钢管外径不圆度为直径偏差之和的。.5~1.0倍，钢丝不圆度则为直径偏差之和的0.5倍。 造成不圆的原因是:轧棍、锻追模具或冷拔模具的孔型不圆，塑性加工时孔型欠充满以及孔型错牙、导板和卫板安装不正或过松、轧件入孔型不正等。 (崔峰)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条