Through the fault example of CNC machine, this paper analyses the grating fault, its reason and its settlement.
本文通过数控机床的故障实例，分析了光栅故障现象及原因和解决的办法。
2
Grating sensor is an important device for precision measuring, which is widely applied in the fields of position measuring, numerical control machine, automation control and so on.
光栅传感器是位置测量、数控机床、自动控制等领域应用广泛的精密测量元件。
3
The material used for holographic grating, the cleaning of vaccum coating machine and the structure of the separator are also presented.