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应用圆形磁栅(或光栅)测量齿轮、齿轮传动链或其它类型的圆分度精度时,由于存在安装偏心。使它的录磁(或刻线)旋转中心,磁栅盘的几何中心和被测旋转轴的中心均不重合,因而对测量精度会产生直接的影响。一、安装偏心的数学分析图1表示磁栅盘存在安装偏心时各部分的几何关系。
When using circular magnetic grids (or gratings) to measure gears, gear trains or other types of circular indexing accuracy due to mounting eccentricity. So that its magnetic (or engraved) rotation center, the geometric center of the disk and the measured axis of rotation of the center do not coincide, and thus the measurement accuracy will have a direct impact. First, the installation of mathematical analysis of eccentric Figure 1 shows the geometry of the various parts of the grid when there is eccentric disk installation.