数控机床伺服单元电路分析及检修

The Analysis and Creck of FANUC Series O Servo Unit Circuit

主要分析了ＦＡＮＶＣ Ｏ系统伺服单元的控制电路，并介绍了一些常见故障的检修，为数控机床维修提供了有实用价值的技术资料。

This paper mainly analyses the control circuit of FANUC series O servo unit and presents the maintenance method of servo unit to provide technical materials for NC machine tools maintenance men.