光电多功能二维自动检测仪环距测量方法的研究＊张国玉安志勇曹维国李成志（长春光学精密机械学院长春１３００２２）０引言对环槽状零件环距的测量用一般方法是比较复杂的，而且测量精度也很难保证要求，我们研制的“光电多功能二维自动检测仪”，可实现轴向和径向二维尺... Optical multi-function two-dimensional automatic measuring instrument ring distance measurement method Zhang Guoyu An Zhiyong Cao Weiguo Li Chengzhi (Changchun Institute of Optics and Fine Mechanics, Changchun 130022) 0 Introduction Ring groove-shaped parts of the ring distance measurement using the general method is more complex, And the measurement accuracy is also difficult to ensure the requirements, we developed the “photoelectric multi-function two-dimensional automatic detector” can achieve axial and radial ...