基于数字图像处理技术，提出大型轴类工件平行度测量方法。
The method of measuring the parallelism for large-scale shafts based on digital image processing was proposed.
测量直线度、平行度和垂直度。
设计了用于测量输出为视频图像信号的多光轴光学系统的光轴平行度校正仪器。
The instrument for measuring the parallel of the multi?axis optical system with video output was designed.
在使用水平仪对平行度误差进行测量及评定时，目前一直沿用着用手工按图解法或计算法进行数据处理。
In measuring and evaluating the parallelism error with the leveler, data processing is conventionally carried out by manually graphic and calculation methods according to the data measured.
本文介绍一种线、面对空间回转轴线平行度的测量方法，并进行了误差分析。
This paper introduces the measurement of the parallelisms for line and flat to space turning spindle axis. The measuring error is analysed also.
该文探讨了一种三自由度(DOF)平行双关节坐标测量机的测量原理和测量模型。
This paper investigates the measurement principle and model of a parallel dual-joint coordinate measuring machine (PD-CMM) which has three degrees of freedom (DOF).
本文讨论了一种用于大型工件平行度、垂直度测量的新方法及其测量系统。
In this paper a new method and apparatus with laser measurement system for measuring parallelism and perpendicularity of large workpieces are discussed.
系统整体误差的主要来源为距离测量误差、时间测量误差以及光束不平行度产生的误差。
The entire system error is mainly caused by the length error and time error and light-beams non-parallelism.
系统整体误差的主要来源为距离测量误差、时间测量误差以及光束不平行度产生的误差。
The entirety system error sourced from the length error and time error and light-beams non-parallelism.
考虑在主轴上放置透明盘片，用PSD测量位移子系统测出放置透明盘片前后的光斑移动距离，就可以计算出光头与主轴马达间的平行度。
Using the transparence CD, PSD can detect the displacement of laser spot between non-placing and placing the CD, and it can be used to calculate the parallelism between optical head and spindle motor.
它不仅能测量尺寸、形状误差，还可以测量垂直度、锥度、孔中心距、平行度等相互位置误差。
It can be used in measuring not only dimensional and shape errors, but also relative positions as in the cases of perpendicularity, parallelness, conicity, distance between holes, etc.
仪器还可测量晶体材料折射率均匀性、晶体元件面形、角度、平行度等。
This instrument can also measure the refractive-index homogeneity, the flatness, the Angle error, the wedge Angle of crystal element.
对目前工业上测量光头与主轴马达间的平行度的方法进行研究后，发现其价格昂贵、操作不方便，因此有必要设计出一套方便可行的方法。
By study the measurement of parallelism between Optical head and Spindle motor at present, we find that there are expensive and inconvenient. So it needs to design a new convenient method.
对目前工业上测量光头与主轴马达间的平行度的方法进行研究后，发现其价格昂贵、操作不方便，因此有必要设计出一套方便可行的方法。
By study the measurement of parallelism between Optical head and Spindle motor at present, we find that there are expensive and inconvenient. So it needs to design a new convenient method.
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