某型直流接触器触头固定螺钉断裂故障分析

Analysis on fracture failure of the fixed screw for contact of a DC contactor

针对某型直流接触器触头固定螺钉断裂、触头松脱故障,从触头的安装结构、电流的流向等方面进行分析,根据故障分析结果,对故障进行了模拟验证。

Aiming at the fault of contact fixing screw breakage and contact loosening of a certain type of DC contactor,the installation structure and current flow direction of the contact are analyzed.According to the fault analysis results,the fault is simulated and verified.