1) rolling straightness error
滚弯直线度误差
1.
Up to present, how to reduce more effectively the rolling straightness error of the missile cylindrical hull plate (called as the missile plate for short) is a difficult problem attracting the gaze of people.
以理想状态下大型导弹外壳板(简称弹壳板)与对称式三轧辊滚弯机(简称三辊机)中三轧辊之间弹塑性力学关系为基础,研究实际工况下弹壳板产生滚弯直线度误差的根源,并推导出一组可确定“改进型”轧辊半径的方程组。
2) straightness error
直线度误差
1.
Comparison of evaluating precision of straightness error between least square method and least envelope zone method;
评定直线度误差的最小二乘法与最小包容区域法精度之比较
2.
Design and application for evaluating straightness error software based on VB;
基于VB的直线度误差评定软件的设计与应用
3.
Optoelectronic non contact measuring method for straightness error;
直线度误差的光电非接触测量方法
3) linear error
直线度误差
1.
Accurate linear error assessment based on LINGO;
基于LINGO的直线度误差精确评定
2.
The evaluation process of linear error evaluation base line was analyzed in order to improve the motion precision in dynamically measured rolling linear guide pair, and GA (genetic algorithm) was used to optimize the target line.
为了使滚动直线导轨副运动精度的动态检测结果精度提高 ,分析了直线度误差评定基准直线的求解过程 ,从而采用遗传算法对其进行寻优 ,详细讨论了采用遗传算法求解直线度误差的处理过程 ;对不同工况时的运动精度分别用首尾连线法、最小二乘法及遗传算法进行了实例计算分析比较 ,遗传算法评定直线度误差精度高且具有良好的稳定
3.
The linear error of main crankshaft which is often apt to change in the producing process.
本文针对曲轴加工中易产生主轴颈直线度误差超差问题,运用I-DEAS软件对其进行了模拟分析;在对软件进行二次开发的基础上,采用特征建模和变量建模的方法,进行曲轴参数化实体建模,实现了曲轴三维实体模型的自动建立。
4) alignment error
直线度误差
1.
Automatic measuring system of alignment error based on laser collimator technique;
基于激光准直的直线度误差自动测量系统
2.
Automatic measuring and evaluating system of alignment error based on PC;
基于PC的直线度误差自动测量与评定系统
3.
With the combination of the equal thickness interference formed by an air wedge and the CCD image-processing technique,a new method is presented to measure spatial alignment error.
将空气劈尖产生的等厚干涉与CCD图像处理技术相结合,提出了一种测量连续空间直线度误差的新方法。
5) Linearity error
直线度误差
1.
Long guide linearity error measurement based on laser interference;
基于激光干涉的长导轨直线度误差测量
2.
The calculating formula of the velocity instant center coordinate in X&Y direction at random time of the working table and the coordinate measuring error of the random position on the working table which is caused by the linearity error was deduced.
从原理上设计了直线度误差分离与修正的实验方案,解决了传统阿贝误差分离与修正方法中以旋转中心为工作台中心点、阿贝臂长度计算不准确的问题。
3.
The relationship between the screwing length of screw thread and the pitch error,screw linearity error,screw precision and screw tolerance is discussed to explain how to select the screwing length of screw thread in actual applications.
对螺纹旋合长度与螺距误差、螺纹直线度误差、螺纹精度及螺纹公差的相关联系进行分析 ,说明螺纹旋合长度在实际中的选择应用。
6) axis straightness error
轴线直线度误差
1.
The virtual measuring instrument combines the technology to measure the form position error with virtual instrument to evaluate the axis straightness error by least square method and minimum zone estimation.
利用美国NI公司的LabWindows/CVI为软件开发平台,结合实验室现有的测量条件和基于PC的数据采集卡,开发研制了轴线直线度误差虚拟测量仪。
2.
According to the definition of axis straightness error,a mathematical model was developed to evaluate axis straightness error by way of least square method in the rectangular coordinates.
根据轴线直线度误差的定义 ,建立了在直角坐标采样时该项误差的最小二乘评定法数学模型 ,该模型的采样数据不需要等角度间隔采样 ;并用计算机进行仿真分析·结果表明 ,所建立的数学模型编程简单 ,计算出的轴线直线度误差值与真实情况的误差小于 10 -6μm·因此由本模型引入的误差可忽略不计·所建立的数学模型为研制形位误差虚拟测量系统提供了理论基础
补充资料:长春冷弯型钢总厂生产的异形冷弯型钢
长春冷弯型钢总厂生产的异形冷弯型钢
长春冷弯型钢总厂生产的异形冷弯型钢
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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