圆柱度

This researchcombines the latest achievements of computer technology withmeasurement technology, in order to develop a special on-line measuringmachine, which has functions such as processing and transform of highprecision signals; digital processing and calculation; logic judgment andfault diagnosis and automatic operation, so that the geometric parametersof the four engine borings can be measured simultaneously at one station.Therefore, with efficient detection, group assembly of borings andcylinders can be realized.

该测量机的功能是实现在线同时测量内燃机四个缸孔直径、圆度、圆柱度、位置度等几何参数，并通过计算机控制自动采集测量信息、自动处理高精度信号和数据处理，且具有逻辑判断与故障诊断、自动化操作等能力，从而提高检测量效率，真正实现缸孔、缸套的成组装配。

Experimental results show that after compensation flatness of machined part whose diameter is 100mm is reduced by 80%.

实验结果表明：补偿后工件的圆柱度误差减小了60％，母线直线度误差减小了80％。

In view of simplifying the calculation, this paper offers the orthogonal projective method of the least square axis for the evaluation of roundness and cylindricity.

从简化计算量的角度出发，提出了评定圆度和圆柱度的最小二乘轴线正交投影法。

While the plane is measured by using the cylindricity measuring instrument and square ,the data acquisition should be done at the same time.

首先利用圆柱度仪和角尺对被测件进行测量，同时采集原始测量数据，然后利用最小二乘法实现平面度误差的评定。

Roundness and cylindricity are two of the most widely used tolerances, because most of workpieces contain round or cylindrical fraction.

然而，到目前为止圆度和圆柱度的评定仍然没有既符合标准定义又具有快速简洁特性的计算方法。

Aiming at researching on the theory of the shaft-kind parts form error evaluation and its application, on the basis of the analysis for the geometric model of the roundness error and cylindricity error, the linear programming models of the enclosure evaluation were proposed. According to the features of the proposed models, the solution of the optimization algorithms of linear planning was discussed to obtain accurate evaluation results.

为了对轴类零件形状误差评定理论及应用进行研究，在分析轴类零件的圆度、圆柱度误差评定几何模型的基础上，建立了包容拟合评定的规划数学模型，并针对模型的特点，探讨了使用线形规划的单纯形优化算法进行规划模型的求解，从而获得精确的形状误差评定结果。

The roundness and cylindricity on-line measurement system for ultra-precision machining, as well as the corresponding measurement software has been developed, which can perform the on-line measurement for the workpiece at any time.

研制了超精密车削工件圆度及圆柱度临床测试系统，及相应的测量软件包，可随时对工件进行临床测试。

The generalized criterion for minimum zone in the determination of form error of surface is presented on the basis of linear minimax techniques, and the criteria of such surfaces as for cylindricity and straightness with arbitrary direction are derived from this generalized criterion.

本文讨论形状误差最小区城的判别准则和判别方法。根据线性极差极小化问题解的特征，给出形状误差最小条件的统一判别准则。推导出各种形状误差最小区域判别法(包括圆柱度误差和任意方向直线度误差)，并在几何判别的基础上得出代数判别的格式。

It can process the material quality including copper,aluminum, iron, stainless steel, revertex, magnet etc, and can procell products' cylindricity and the surface roughness achieve 0.4μm below.

铁、不锈钢、塑胶、磁铁等；加工产品的圆柱度及表面粗糙度可达到0.4μm。希来图来样加工。我公司将以最低的价格，最优的质量。

Description: The technology shall be applied in finishing of thin-wall cylinder sleeve, required to reduce the geometric tolerances, including roundness tolerance, cylindricity tolerance and coaxiality tolerance.

内容说明：该技术应用在薄壁缸套的精加工方面，要求降低圆度，圆柱度，同轴度等形位公差。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了