数显投影仪修理方法研究

Research on the Method of Repairing Internal Micrometer with Three-Point Contact

数显投影仪是一种利用光学投影的原理,将被测工件的轮廓或表面投影到观察屏幕上,作测量或比对的测量仪器。本文首先对数显投影仪常见的故障进行分析,然后对常见故障的修理方法进行简明的介绍。

Digital display measuring projector is a measuring instrument of projector using optical projection,and Projecting the outline or surface of the workpiece to the observation screen,to measure or compare. The paper first analyzes the common faults of projectors,and then makes a concise of common faults.