查找龙门刨床直流系统接地故障点,是一项难度大且又复杂的工作。现介绍几种快速查找故障接地点的方法: 一、直观经验检查法龙门刨床直流系统故障接地,常发生在工作台传动的直流电动机、发电机、交磁扩大机刷架,接线板与机壳相接处,抬刀插销、行程开关接线板、悬挂按扭接头处以及调速器内铜粉过多的地方。机床发生故障,先查上述位置。 Find gantry planer DC system ground fault point is a difficult and complicated work. Here are a few quick ways to find fault ground point: First, the intuitive experience inspection method gantry planer DC system ground fault, often occurs in the table drive DC motor, generator, magnetic extension brush holder, wiring board and chassis Phase at the junction, lift the knife latch, limit switch wiring board, suspension button joints and governor copper powder too much place. Machine failure, check the above location.