从而较为准确地确定圆度、圆柱度误差值。
合理确定其位置,是圆柱度形状误差重构的基础。
To determine this position is the basis on which cylindrical form errors can be retraced.
立式铣床主轴与工作台面的垂直度会影响孔的圆柱度。
The verticality of vertical milling machine spindle and the worktable can affect hole cylindricity.
圆柱度误差是指实际被测圆柱面对其理想圆柱的变动量。
Cylindricity error is defined as the changes between measured column and ideal column.
试验结果表明,该算法可以有效、正确地评定圆柱度误差。
The experimental results show that the cylindricity error can be evaluated effectually and accurately using this algorithm.
由于测量工具的限制,传统方法对无法充分接触的内部管道的圆柱度难以测量。
Because of the limit of measuring tools, the traditional methods can not evaluate the cylindricity error of internal pipe.
本文以工业CT为基础,研究了工件内部管道的圆柱度测量与内表面显示算法。
Based on industrial CT, this dissertation studied the cylindricity error evaluation and inner surface display of pipeline.
圆柱度-描述了一个条件的旋转面,使所有的点面距离相等,一个共同的旋转轴。
Cylindricity - describes a condition of a surface of revolution in which all points of a surface are equidistant from a common axis.
利用自律验证法对本文提出的圆柱度误差分离及重构方法系统地进行了实验验证。
The cylindricity error separation and reconstruction method proposed in this paper was systematically verified.
截面最小二乘圆心在绝对坐标系内的位置是影响圆柱度形状误差大小的重要因素。
The position of the least square center for a cross section in the absolute coordinate system is an important factor that affects cylindrical form errors.
发动机缸孔平台网纹珩磨得是否合理和缸孔圆柱度的优劣直接影响到发动机的工况和寿命。
The honed cross hatch in cylinder bore of engine and the cylindricity of cylinder bore shall affect directly the operating mode and life of engine.
卧式铣床支架的支承轴承的精度会影响刀杆的回转精度,从而影响孔的尺寸精度和圆柱度。
The precision of the support bearing of the horizontal milling machine bracket affects the rotation precision of the cutter rod, thus affecting the dimension precision and cylindricity of the hole.
实验结果表明,补偿后的工件圆度误差平均改善了40%,圆柱度误差平均改善了23%。
The experimental results show that the roundness is improved by 40% and cylindricity by 23% after compensation.
针对工件内部管道圆柱度误差测量的问题,研究了一种基于工业CT图像的圆柱度误差测量方法。
In order to measure the cylindricity error of the pipe which is in the internal part of a workpiece, this paper studies a cylindricity error evaluation method based on industrial CT images.
提出了实时测量机床主轴回转误差的原理和方法,建立了工件圆度及圆柱度在线测量及补偿控制系统。
The in-process measurement principle for the spindle rotation error is presented and the roundness and cylindricity on-line measurement and compensatory control system is developed.
在分析回转类零件采样特点的基础上,给出了圆度、圆柱度、轴线直线度及同轴度等形位误差的数学模型。
The measurement and extraction of the section profile features of cylinders are the basis of the evaluation of their diameters, form & position errors and roughness.
本文研制的高精度电感式外径检测仪采用二个电感传感器,能自动显示各种轴套的外径、平均直径和圆柱度。
This paper introduces an outer diameter detector, using two inductance sensors. It can automatically display the outer diameter, average diameter and cylindricity of all kinds of shafts and sleeves.
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。
While the plane is measured by using the cylindricity measuring instrument and square, the data acquisition should be done at the same time.
工件中常包含各种各样的管道,对管道的圆柱度误差测量和内表面显示对评定工件的整体性能和使用寿命有着重要意义。
There are many kinds of pipelines in real workpiece. The cylindricity error evaluation and inner surface display of pipe are significant for evaluating performance and service life.
本文提出沿圆柱表面的螺旋线对圆柱度作动态测量,并应用最佳一致逼近方法对其展开的测量数据来评定圆柱度误差值。
This paper presents a method to evaluate cylindricity errors. It USES best uniform approximation to process the sample data measured continually and dynamically along a cylindrical spiral.
采用这种新型砂轮可以比使用无螺旋沟槽砂轮降低表面粗糙度和提高圆柱度。对于加工难加工材料,如硬质合金效果特别显著。
With spiral grooved grinding wheel, one can get better surface finish and roundness than with conventional grinding wheel, especially when applied in grinding hard material such as carbide.
建立了采样数据为直角坐标值、坐标原点可以任意选取、各离散采样点之间也不要求为等角度间隔情况下,圆柱度误差评定的最小二乘数学模型。
This paper models the least square algorithm of the cylindricity error in the rectangular coordinates, whose center may be set on random and all discrete data can be sampled optionally.
利用在圆柱度仪上采用两截面和多截面测量法测得的数据,建立适用于圆柱体锥度评定的几种模型,并建立了圆柱体端面和径向跳动在圆柱度仪上测量与评定的模型。
Several evaluation models of cylinder's taper are built based on the data measured on cylindricity measuring instrument using a double-section measuring method and a multi-section measuring method.
在高速和轻载工况条件下,打滑擦伤往往成为圆柱滚子轴承的主要失效形式,而表面粗糙度对轴承打滑损伤有很大的影响。
Under high speed lightly loaded conditions, skidding damage often becomes one of the main damage forms for cylindrical roller bearings while surface roughness has great effect on skidding damage.
针对表面粗糙度和形位误差对圆柱体直径评定结果的影响,在进行圆柱体直径尺寸评定时,需要对表面粗糙度进行滤波处理。
As roughness and form & position errors have an effect on evaluation result of cylinder diameters, it is necessary that roughness is filtered for evaluating cylinder diameters size.
对于圆柱状褶皱可以估算与褶皱有关的裂缝孔隙度和渗透率。
For a cylindrical fold, the average aperture and fracture permeability related can be estimated.
本文利用多区首次碰撞几率,推导计算圆柱形控制棒黑度的公式。
In this paper, the multi-region first collision probabilities are used to derive the formula for calculating blackness of a cylindrical control rod.
为了探讨在不同径向角下动量比和湍流度对圆柱形气膜孔流动和换热的影响规律,采用数值模拟方法,研究了涡轮叶片的冷却效率。
The cooling effectiveness of cylindrical gas-film cooling holes was numerically investigated, which was determined at different radial angles, momentum ratio and turbulent intensity.
为了探讨在不同径向角下动量比和湍流度对圆柱形气膜孔流动和换热的影响规律,采用数值模拟方法,研究了涡轮叶片的冷却效率。
The cooling effectiveness of cylindrical gas-film cooling holes was numerically investigated, which was determined at different radial angles, momentum ratio and turbulent intensity.
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