并分析了转轴表面误差对平衡精度的影响,得出了解决方法。
Meanwhile, the influence of shaft surface error on the precision of rotor dynamic balancing is analyzed, and a method is proposed to overcome it.
同时提出了工件的形状误差和表面误差模型以及切屑生成模型。
At the same time, the models of the shape error, surface error and the chip creating error of the workpiece are proposed.
本文讨论了棱镜表面误差(主要是局部误差)对波面面形的影响。
The influence of prisms surface error, mainly the local irregular error, on the wavefront figure, is discussed.
镜片刚体运动误差、表面误差、表面粗糙度、表面散射和衍射是影响X射线成像望远镜成像质量的主要因素。
Rigid body motion, surface errors, surface roughness, surface scattering and diffraction are mainly reasons which affect image quality of the X-ray imaging telescopes.
然后在设定由随机表面误差引入的口径相位误差服从均值为零的正态分布的条件下,推导了天线平均功率方向图的计算公式。
Secondly, on the assumption that the phase error on the aperture led by the random surface error obeys the Gaussian distribution with zero mean, the expression of the average power pattern is deduced.
大量现场数据的实验证明了该方法的正确性和可行性,它是一种新的表面缺陷误差判别方法。
Experimental data showed the correctness and feasibility of the method. It is a new method for error judgement of surface flaws.
这些处理方法自身都存在一定的缺陷,使得拟合结果与物体表面真温之间存在一定的误差。
There are some shortages in these methods, resulting in a certain error between the fitting result and the true temperature of the object surface.
分析了引起光谱分析误差的主要因素,如试样脱碳层深度、表面粗糙度、描迹等。
It analyzed main factors of arising spectrum analysis error which including specimen decarburization layer depth, surface roughness, describing, etc.
试验结果也证实了表面通量计算的合理性,其结论可用于对实测资料进行误差检测。
The test result also verifies the reasonable value of surface flux calculation, the conclusion can detect error in observed data.
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.
辐射测温的主要问题是解决未知的或变化的表面发射率所引起的误差测量。
The main problem in radiation thermometry is how to minimize the measuring error resulting from unknown or variant surface emissivity.
地球表面曲率产生的误差是收敛的,显然,在自由空间没有类似的情况。
The convergence of error brought about by the curvature of earth's surface obviously has no counterpart in free space.
在实验的基础上,对磨削过程振动特征以及由此产生的磨削表面形貌误差进行研究。
The vibration characteristics of external plunge grinding and the ground surface profile error are investigated through experiments analysis.
通过解决激光加工中材料表面温度测量装置的难点,设计了一套新型光学系统,并给出了测量误差分析及结论。
A new optical system is designed for the material surface temperature-measuring device used in laser processing. The measurement error analysis and conclusions are presented.
采用像素点变换法,实现了根据三维物体的二维投影图像恢复物体表面的真实几何面积的设想,大大降低了缺陷面积计算的误差;
To decrease the relative errors, the pixel transform method was adopted to recover the geometrical feature of sphere fruit surface from projected image while the area of defect was calculated.
减小尺寸误差、提高表面质量是快速成形的重要目标。
To reduce the size error and to advance surface quality is an important aim for Rapid Prototyping.
描述了一种在超精密磨削机床上基于误差分离法的非球面表面形状精密测量系统。
This paper describes accurate surface profile measurement of an aspherical lens on an ultra-precision grinding machine using the error separation technique.
对受平面应力场的作用的正交异性板的表面应力,应变进行了实测研究。并对测试误差进行了分析。
The surface strain of the orthogonal plate is measured under the action of the planar stress field, and the error is analyzed.
夹板模具成型,焊接工装保证,表面圆弧度、直线度误差小,熨烫质量好。
Plywood die molding, welding fixture that surface of the circular arc, straightness error is small, the ironing quality good.
将此高精度直齿外珩轮应用于珩齿试验中,被加工齿轮的齿形误差和表面光洁度得到了极大地提高。
The honing experiment shows that the teeth error and surface roughness of the machined gear have been improved greatly.
用作精基准的表面应先加工出来,因为定位其准的表面越精确,装夹误差就越小。
Surface should be used as a fine datum to be processed first, because the precision of the positioning of the surface is more accurate, the smaller the clamping error is.
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.
然而,在实际加工过程中,容易产生由刀具变形引起的加工误差,影响了叶片的加工精度及表面质量。
However, in actual machining process, machining error caused by the cutter deflection influences the machining accuracy and the surface quality of the blade.
下面的讨论中假定轮齿加工没有误差,轮齿表面完全光滑,轮齿为绝对刚体。
The following discussion assumes the teeth to be perfectly formed, perfectly smooth, and absolutely rigid.
目的建立室内质控参考品以鉴别诊断试剂的质量和控制操作误差,提高乙型肝炎病毒表面抗原的检测准确度。
Objective to establish internal quality control to distinguish the quality of diagnostic Kit and control operate error and improve the accuracy of HBsAg detection.
极佳的陶瓷物理性能,保证在环境温度和高的工作温度下性能稳定,尺寸误差小、表面质量优秀。
The excellently good ceramic physics performance guaranteed the stable performance under ambient temperature and the high operating temperature, with small size error and outstanding quality.
任何机械加工所得的表面,实际上不可能是理想的光滑表面,总是存在一定的微观几何形状误差。
It is impossible that the surface gained by any machining is perfectly slippery. There is some microcosmic error of geometrical shape on the surface.
那么用分子力学来研究表面吸附中的物理吸附过程忽略化学吸附,到底会对最终的吸附分析造成多大的误差呢?
Then how degree the errors can be created for the final adsorption analysis when the molecular mechanics was used to study the physisorption process but do not consider the chemical adsorption?
通过对机械加工表面轮廓特征的分析,说明了在表面轮廓参数测量中,消除各种误差影响的必要性。
Based on the analysis of the characteristic of machined surface profile, the necessity to eliminate errors' influence on the measurement of surface profile parameters was explained.
通过对机械加工表面轮廓特征的分析,说明了在表面轮廓参数测量中,消除各种误差影响的必要性。
Based on the analysis of the characteristic of machined surface profile, the necessity to eliminate errors' influence on the measurement of surface profile parameters was explained.
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